Virtual simulation method and system based on landscape garden information

Abstract

The invention discloses a landscape garden information-based virtual simulation method and system, and relates to the technical field of virtual simulation. The method comprises the steps that design information of a landscape garden is acquired, and a three-dimensional view of landscape garden design is established; extracting to obtain an estimated maintenance age limit of the landscape garden design, and extracting to obtain plant information of garden plants in the landscape garden design according to the three-dimensional view; obtaining an application position of landscape garden design, and collecting environment information of the application position; simulating plant change by combining the environment information, the plant information and the pre-estimated maintenance period, and screening to obtain changed plants; according to the plant information of the changing plant, simulating to obtain a changing range of the space occupied by the changing plant; and according to the design information and the change range, evaluating the adaptation degree of the landscape garden design to obtain a virtual simulation result, and optimizing the design information. According to the invention, the sustainability of virtual simulation based on landscape garden information is improved.

Description

Technical Field

[0001] This application relates to the technical field of virtual simulation, and in particular, to a virtual simulation method and system based on landscape architecture information. Background Art

[0002] Virtual simulation, also known as virtual reality technology or simulation technology, is a technology that uses a virtual system to imitate another real system. Virtual simulation technology has been widely applied in various fields, including but not limited to engineering disciplines, computer science and other fields. In traditional landscape architecture design, the design of landscape architecture is often two-dimensional design, which mainly relies on floor plans, sectional views and elevation views, etc. These drawings may have limitations in expressing three-dimensional spatial relationships, making it difficult for designers to comprehensively grasp design details. Especially in terms of spatial proportion, since the actual items in landscape architecture are three-dimensional, it is difficult to accurately grasp the spatial proportion in two-dimensional space. Moreover, due to the influence of factors such as the environment, the plant proportion in landscape architecture is variable, and it is difficult to consider future changes through traditional two-dimensional and three-dimensional designs, seriously affecting the sustainability of landscape architecture design products. Summary of the Invention

[0003] The purpose of the present invention is to provide a virtual simulation method and system based on landscape architecture information to solve the problems raised in the above background art.

[0004] In a first aspect, a virtual simulation method based on landscape architecture information provided by this application adopts the following technical solutions:

[0005] Obtain the design information of the landscape architecture, and establish a three-dimensional view of the landscape architecture design according to the design information;

[0006] Extract the estimated maintenance years of the landscape architecture design according to the design information, and extract the plant information of the garden plants in the landscape architecture design according to the three-dimensional view;

[0007] Obtain the application location of the landscape architecture design, and collect the environmental information of the application location;

[0008] Combine the environmental information, plant information and estimated maintenance years to simulate plant changes, screen the plants that have changed, and obtain the changed plants;

[0009] According to the plant information of the changed plants, simulate the change range of the space occupied by the changed plants;

[0010] According to the design information and the change range, evaluate the fitness of the landscape architecture design to obtain the virtual simulation result, and optimize the design information according to the virtual simulation result.

[0011] Preferably, the step of simulating plant changes by combining environmental information, plant information, and estimated maintenance years, screening for plants with changes, and obtaining changed plants is specifically as follows:

[0012] Extract the growth status of landscape plants from the plant information, and simulate and screen for basic changed plants based on the growth status and estimated maintenance years;

[0013] Extract the reproduction method of landscape plants from the plant information, simulate the reproduction data of landscape plants by combining environmental information and estimated maintenance years, and screen for natural changed plants based on the reproduction data;

[0014] Obtain the social information of the application location, and screen for human-changed plants based on the social information;

[0015] Form a set of basic changed plants, natural changed plants, and human-changed plants to obtain changed plants.

[0016] Preferably, the step of extracting the growth status of landscape plants from the plant information, and simulating and screening for basic changed plants based on the growth status and estimated maintenance years is specifically as follows:

[0017] Extract the growth characteristics of landscape plants from the plant information, and obtain the real-time growth status of landscape plants;

[0018] Simulate and imitate the estimated growth status of landscape plants in the estimated maintenance years based on the growth characteristics and real-time growth status;

[0019] Compare the status difference between the real-time growth status and the estimated growth status, and determine whether the status difference reaches a preset status threshold;

[0020] If the status difference reaches the preset status threshold, directly record it as a basic changed plant;

[0021] If the status difference does not reach the preset status threshold, extract the plant forms of landscape plants in different seasons according to the plant information;

[0022] Compare the form differences of the plant forms in different seasons, calculate the average value of the form differences to obtain the average form difference value;

[0023] Determine whether the average form difference value reaches a preset difference average standard. If it reaches the preset difference average standard, record it as a basic changed plant, otherwise delete it.

[0024] Preferably, the step of extracting the reproduction method of landscape plants from the plant information, simulating the reproduction data of landscape plants by combining environmental information and estimated maintenance years, and screening for natural changed plants based on the reproduction data is specifically as follows:

[0025] Obtain the standard growth environment of garden plants, and extract the real-time environment of the application location according to the environmental information;

[0026] Compare the environmental difference between the standard growth environment and the real-time environment, and find the corresponding reproduction rate according to the preset environmental difference - reproduction rate table and record it as the original reproduction rate;

[0027] Obtain the reproduction method of garden plants, and classify garden plants into sexual reproduction plants and asexual reproduction plants according to the reproduction method;

[0028] According to the original reproduction rate of asexual reproduction plants, combined with the estimated maintenance years, simulate and calculate the reproduction data of asexual reproduction plants;

[0029] Obtain the number of pollinating insects at the application location, and combine with the original reproduction rate to obtain the reproduction data of sexual reproduction plants;

[0030] Obtain the plants whose reproduction data reach the preset reproduction threshold to obtain the naturally changing plants.

[0031] Preferably, the step of obtaining the number of pollinating insects at the application location and combining with the original reproduction rate to obtain the reproduction data of sexual reproduction plants is specifically as follows:

[0032] Simulate the seed positions of sexual reproduction plants, and extract the soil positions according to the design information;

[0033] Count the number of plants of sexual reproduction plants, and estimate the number of seeds in combination with the number of pollinating insects;

[0034] Estimate the probability of seeds falling into the soil according to the number of seeds, seed positions and soil positions and record it as the reproduction probability;

[0035] Multiply the original reproduction rate by the reproduction probability to obtain the real-time reproduction rate, and simulate and calculate the reproduction data of sexual reproduction plants according to the real-time reproduction rate and the estimated maintenance years.

[0036] Preferably, the step of obtaining the social information of the application location and screening out the artificially changed plants according to the social information is specifically as follows:

[0037] Obtain the living population at the application location, and obtain the average damage rate of the living population to garden plants;

[0038] Obtain the average damage rate of garden plants caused by human damage, and combine with the average damage rate to obtain the plant damage rate;

[0039] Count the original number of garden plants, and simulate and obtain the estimated number of garden plants in the estimated maintenance years in combination with the reproduction data;

[0040] The damaged plant quantity is calculated by combining the estimated quantity and the plant damage rate, and the remaining plant quantity is obtained by combining the estimated quantity.

[0041] Calculate the quantity difference between the remaining plant quantity and the original quantity, and select the landscape plants whose quantity difference reaches the quantity difference threshold as the artificially changed plants.

[0042] Preferably, the step of evaluating the adaptability of the landscape design according to the design information and the change range, obtaining the virtual simulation result, and optimizing the design information according to the virtual simulation result is specifically as follows:

[0043] Extract the original planned space of the changed plants according to the design information, and extract the original occupied space of the changed plants.

[0044] Overlay the original occupied space and the change range to obtain the estimated occupied space, and judge whether the estimated occupied space is larger than the original planned space.

[0045] If the estimated occupied space is larger than the original planned space, obtain the estimated occupied space of the changed plants that exceeds the original planned space to get the exceeded space.

[0046] Extract the design products in the exceeded space according to the design information, and determine the adaptability of the landscape design according to the design products.

[0047] If the estimated occupied space is not larger than the original planned space, obtain the blank space in the original planned space that is not the estimated occupied space, and obtain the adaptability of the landscape design according to the blank space.

[0048] Generate a virtual simulation result according to the adaptability of the landscape design, and optimize the design information according to the virtual simulation result.

[0049] Preferably, the step of extracting the design products in the exceeded space according to the design information and determining the adaptability of the landscape design according to the design products is specifically as follows:

[0050] Judge whether there are design products in the exceeded space. If there are no design products, extract the exceeded duration of the exceeded space according to the change range.

[0051] If there are design products, obtain the influence degree of the changed plants on the design products.

[0052] Generate a maintenance plan for the changed plants, and extract the execution difficulty of the maintenance plan.

[0053] Comprehensively obtain the adaptability of the landscape design by combining the exceeded duration, the influence degree and the execution difficulty.

[0054] Preferably, the step of obtaining the blank space in the original planned space that is not the estimated occupied space and obtaining the adaptability of the landscape design according to the blank space is specifically as follows:

[0055] Statistically record the area of the blank space as the blank area, and statistically record the spatial area of the original planned space;

[0056] Calculate the area ratio of the blank area to the spatial area, and construct a correlation curve between the area ratio and the adaptability;

[0057] Find the adaptability of the landscape design according to the correlation curve.

[0058] In a second aspect, a virtual simulation system based on landscape information provided by the present application adopts the following technical solution:

[0059] A virtual simulation system based on landscape information includes:

[0060] A three-dimensional view module, which obtains the design information of the landscape, and establishes a three-dimensional view of the landscape design according to the design information;

[0061] A plant information module, which extracts the estimated maintenance years of the landscape design according to the design information, and extracts the plant information of the garden plants in the landscape design according to the three-dimensional view;

[0062] An environmental information module, which obtains the application location of the landscape design and collects the environmental information of the application location;

[0063] A changing plant module, which simulates the plant changes by combining the environmental information, plant information, and estimated maintenance years, screens the plants that have changed, and obtains the changing plants;

[0064] A change range module, which simulates and estimates the change range of the spatial proportion of the changing plants according to the plant information of the changing plants;

[0065] A simulation optimization module, which evaluates the adaptability of the landscape design according to the design information and the change range, obtains the virtual simulation result, and optimizes the design information according to the virtual simulation result.

[0066] In summary, the present application includes at least one of the following beneficial technical effects:

[0067] 1. Generate a 3D view based on the design information of the landscape garden, simulate the growth changes of plants according to the plant information, environmental information, and estimated maintenance period, and obtain the change range of the space occupied by the changing plants. Then, evaluate the adaptability of the landscape garden space design based on the design information and the change range, generate a virtual simulation result, and optimize the design information. Simulate the future changes of the landscape garden design through virtual simulation, adjust and optimize in a timely manner at the initial stage of the design to cope with future changes, increase the service life of the landscape garden, and improve the sustainability of the virtual simulation based on the landscape garden information.

[0068] 2. According to the plant information in the landscape garden design, utilize the growth state of plants, the forms in four seasons, the reproduction situation, and the damage caused by the outside world to plants to simulate and imitate the change of the space occupied by plants in the landscape garden design, so as to optimize the landscape garden design scheme according to the change of the occupied space and improve the adaptability of the landscape garden.

[0069] 3. Evaluate the adaptability of the landscape garden design according to the different results of the virtual simulation of the landscape garden plants respectively, and evaluate from two directions of space excess and idle, which is more in line with the actual situation, is also conducive to making optimizations more in line with the actual situation, is more in line with the actual situation, and improves the practicality of the virtual simulation based on the landscape garden information. Description of the Drawings

[0070] Figure 1 It is a schematic diagram of the specific steps of an embodiment of a virtual simulation method based on landscape garden information of the present invention.

[0071] Figure 2 It is a schematic diagram of the module connection of an embodiment of a virtual simulation system based on landscape garden information of the present invention. Detailed Embodiment

[0072] The following combines the embodiments and Figure 1 - Figure 2 makes a further detailed description of the present invention, but the implementation manners of the present invention are not limited thereto.

[0073] The present invention discloses a virtual simulation method based on landscape garden information, which specifically includes the following steps:

[0074] Step S1, obtain the design information of the landscape garden, and establish a 3D view of the landscape garden design according to the design information.

[0075] The landscape garden is an art form that takes the natural landscape as the basis and creates an artificial landscape that coexists in harmony with nature through artificial design and construction. Therefore, a 3D view of the landscape garden design can be established according to the design information of the landscape garden.

[0076] Step S2: Extract the estimated maintenance life of the landscape design based on the design information, and extract the plant information of the garden plants in the landscape design from the three-dimensional view.

[0077] Landscape design products are not static. With the development of the times and the changes in society, many designs will be overturned and rebuilt. Therefore, landscape design products have their ideal maintenance life. For example, for an ancient-style garden design with an estimated maintenance life of 20 years, the estimated maintenance life is 20 years.

[0078] Step S3: Obtain the application location of the landscape design and collect the environmental information of the application location.

[0079] The environments where the design is applied are different, so the natural environments are different. For example, if a design is applied in Kunming, the climate is mild. If the same design is applied in northern regions such as Liaoning, the temperature is relatively low. Therefore, the environmental information is different.

[0080] Step S4: Combine the environmental information, plant information, and estimated maintenance life to simulate the plant changes, screen the plants that have changed, and obtain the changed plants.

[0081] In the design of landscape gardens, plants are usually involved because plants can improve the environment and enhance the aesthetic degree. After the construction of general buildings, the spatial proportion basically does not change. However, plants are different. Since plants are living organisms, they will grow, resulting in changes in the occupied space of plants, which will affect the entire landscape garden. But not all plants will change significantly and affect the design. Therefore, according to the actual situation, screen the plants that will change to a certain extent and record them as the changed plants.

[0082] Step S5: According to the plant information of the changed plants, simulate the change range of the space occupied by the changed plants.

[0083] After identifying the changed plants, based on the state difference, morphological difference, reproduction data, and the difference in quantity caused by humans of the changed plants, conduct simulation and verification to confirm the space change range of the changed plants within the estimated maintenance life. For example, in the original design, it is planned to plant a bamboo forest of 1 square meter, and the occupied space is 2 cubic meters. The estimated maintenance life is 20 years. According to the environmental conditions of the application location, it is estimated that the occupied space will become 60 cubic meters within 20 years. Therefore, the space of this bamboo forest has changed, and the change range is the difference between the estimated occupied space and the original occupied space. Virtual simulation can simulate the growth of plants. Therefore, according to the plant information and environmental conditions, it is easy to obtain the change range of the space occupied by the changed plants.

[0084] Step S6: Evaluate the adaptability of the landscape design based on the design information and the range of changes, obtain the virtual simulation results, and optimize the design information according to the virtual simulation results.

[0085] In practical applications, in the design of landscape architecture, it is necessary to accurately control the spatial proportion. If the spatial proportion is set poorly, some spaces will not be utilized while some spaces will be very crowded. Therefore, it is necessary to consider whether the design is appropriate during the design process. And if a landscape design product wants to last longer and improve sustainability, then obviously it needs to have the ability to cope with future changes and design a reasonable spatial proportion in advance to improve the sustainability of the landscape. By optimizing the spatial proportion of different parts through the changes in plants in landscape design, the sustainability of landscape design can be improved.

[0086] The steps of simulating plant changes by combining environmental information, plant information, and the estimated maintenance years, screening the plants that generate changes, and obtaining the changed plants are as follows:

[0087] Step S41: Extract the growth status of garden plants from the plant information, and simulate and screen to obtain the basic changed plants based on the growth status and the estimated maintenance years.

[0088] In landscape design, most plants are not planted from seeds. When some plants are transplanted, their growth status is already relatively mature. The growth status here refers to the state of the growth stage. For example, when a ginkgo tree is transplanted, the tree has already entered the mature stage and will not grow upward very much. Therefore, the change of this ginkgo tree is relatively small.

[0089] Step S42: Extract the reproduction methods of garden plants from the plant information, simulate the reproduction data of garden plants by combining environmental information and the estimated maintenance years, and screen to obtain the natural changed plants based on the reproduction data.

[0090] Plants have reproductive performance, and the changes in plants are also related to their own reproductive performance. The stronger the reproductive performance, the greater the degree of spatial change occupied.

[0091] Step S43: Obtain the social information of the application location, and screen to obtain the artificially changed plants based on the social information.

[0092] Step S44: Combine the basic changed plants, natural changed plants, and artificially changed plants to form a set to obtain the changed plants.

[0093] In practical applications, due to the biological characteristics of plants, they will continue to grow and change, which will lead to inconsistencies with the original landscape garden design. In addition to the continuous growth of plants themselves, they will also be affected by humans. For example, for some flowering plants, passers-by may pick them, causing certain damage to the plants, thus affecting their growth. Eventually, the occupied space of the plants will change, affecting the sustainability of the landscape garden design. Therefore, screening plants whose changes affect the landscape garden design is beneficial for subsequent optimization of the design and improving the design's adaptability to future changes.

[0094] The steps of extracting the growth status of landscape plants from plant information and simulating and screening basic changing plants according to the growth status and the estimated maintenance years are as follows:

[0095] Step S411: Extract the growth characteristics of landscape plants from the plant information to obtain the real-time growth status of the landscape plants.

[0096] The real-time growth status of landscape plants refers to the growth status expected at the beginning of transplanting plants during the landscape garden design process. For example, during the design process, if the ginkgo tree to be transplanted at the beginning is designed to be in a mature state, then the real-time growth status is the mature state.

[0097] Step S412: Simulate and simulate the estimated growth status of landscape plants in the estimated maintenance years according to the growth characteristics and the real-time growth status.

[0098] In the estimated maintenance years, due to the change of time, the growth status of plants will also change. For example, if the transplanted plant is a ginkgo tree seedling, then after 10 years of the estimated maintenance years, the plant will grow from a ginkgo tree seedling into a big tree, and the estimated growth status will be the mature state, and the growth status has changed.

[0099] Step S413: Compare the state difference between the real-time growth status and the estimated growth status, and judge whether the state difference reaches the preset state threshold.

[0100] When a plant has reached the mature state of its growth status, the changes of some plants are very small. For example, most trees will no longer continue to expand after growing to a certain state, and the changes are relatively small.

[0101] Step S414: If the state difference reaches the preset state threshold, it is directly recorded as a basic changing plant.

[0102] Only plants with relatively large changes are considered to have an impact on the landscape garden design, and thus are recorded as basic changing plants.

[0103] Step S415: If the state difference does not reach the preset state threshold, extract the plant forms of landscape plants in different seasons according to the plant information.

[0104] The forms of some plants also vary in different seasons. For example, some plants bloom in spring, and some trees shed their leaves in autumn. These morphological changes also result in different occupied spaces of the plants.

[0105] Step S416: Compare the morphological differences of the plant forms in different seasons, calculate the mean value of the morphological differences, and obtain the mean value of the morphological differences.

[0106] Step S417: Determine whether the mean value of the morphological differences reaches the preset difference mean standard. If it reaches the preset difference mean standard, record it as a basic change plant; otherwise, delete it.

[0107] In practical applications, if the growth of a plant does not bring too much change, then it is necessary to consider whether the seasonal morphological changes of the plant affect the landscape design. If the seasonal morphological differences of the plant are too large, then the degree of change of the plant is relatively high, so it is also recorded as a basic change plant. For example, some plants die and wither in winter and then grow again in spring, occupying completely different spaces. Considering the seasonal changes of plants is conducive to the landscape design fully adapting to different seasons.

[0108] The steps of extracting the propagation methods of landscape plants according to the plant information, simulating the propagation data of landscape plants in combination with the environmental information and the estimated maintenance years, and screening the natural change plants according to the propagation data are as follows:

[0109] Step S421: Obtain the standard growth environment of the landscape plants, and extract the real-time environment of the application location according to the environmental information.

[0110] Step S422: Compare the environmental difference between the standard growth environment and the real-time environment, and find the corresponding propagation speed according to the preset environmental difference - propagation speed table and record it as the original propagation speed.

[0111] The environment includes factors such as temperature, humidity, light, and moisture. These environmental factors seriously affect the growth of plants. In a good environment, plants can obtain sufficient nutrients and required substances, and the natural propagation speed will be faster. In a harsh environment, the propagation speed will slow down.

[0112] Step S423: Obtain the propagation methods of the landscape plants, and classify the landscape plants into sexual propagation plants and asexual propagation plants according to the propagation methods.

[0113] Step S424: According to the original propagation speed of the asexual propagation plants, simulate and calculate the propagation data of the asexual propagation plants in combination with the estimated maintenance years.

[0114] Different propagation methods are also affected differently under different environments. For asexually propagated plants, new individuals grow directly from a part of the plant body or the entire plant. That is to say, the propagation of asexually propagated plants does not rely on external assistance. Therefore, its propagation speed is only affected by the basic environment. The propagation data of asexually propagated plants is obtained by multiplying the original propagation speed by the estimated maintenance years. For example, if the propagation speed of Plant A is 1 square meter per year and the estimated maintenance years is 20 years, then the propagation data is 20 square meters.

[0115] Step S425: Obtain the number of pollinating insects at the application location and combine it with the original propagation speed to obtain the propagation data of sexually propagated plants.

[0116] Step S426: Obtain the plants whose propagation data reaches the preset propagation threshold to obtain the naturally varying plants.

[0117] In practical applications, for sexually propagated plants, seeds are formed through the combination of pollen and egg cells, and then the offspring are propagated. This process requires some pollinating insects for pollination. This propagation process needs the help of external insects. Therefore, the actual propagation speed is also affected by pollinating insects. According to the propagation speed, plants with a faster propagation speed can be screened to obtain the naturally varying plants.

[0118] The step of obtaining the number of pollinating insects at the application location and combining it with the original propagation speed to obtain the propagation data of sexually propagated plants is specifically as follows:

[0119] Step S4251: Simulate and model the seed positions of sexually propagated plants and extract the soil positions according to the design information.

[0120] Step S4252: Count the number of plants of sexually propagated plants and estimate the number of seeds in combination with the number of pollinating insects.

[0121] Suppose the total number of watermelon plants is 10, and each plant has an average of 5 flowers. Through observation and recording, the number of pollinating insects is large, and pollinating insects such as bees have a high flower-visiting frequency during the flowering period, and the pollen deposition is sufficient, and the pollination efficiency is 80%. And each pollinated flower can produce an average of 10 seeds. Then, the number of seeds that may be produced can be estimated as: 10 plants × 5 flowers / plant × 80% × 10 seeds / flower = 400 seeds.

[0122] Step S4253: Estimate the probability that the seeds fall into the soil based on the number of seeds, the seed positions, and the soil positions, and record it as the propagation probability.

[0123] The reproduction probability is obtained by combining the seed quantity based on the area proportion of the seed position and the soil position in the vertical direction. For example, the area of the horizontal plane of all seed positions is 2 square meters, and the area of all soil horizontal planes is 4 square meters. Looking down from the vertical direction of the two horizontal planes, the overlapping part is only 1 square meter, so the area proportion is 1 / 4. The weight ratios of the area proportion and the seed quantity are set respectively, and the reproduction probability is calculated according to the weight ratios. The larger the area proportion and the more the seed quantity, the greater the probability of falling onto the soil, that is, the greater the reproduction probability.

[0124] Step S4254, multiply the original reproduction speed by the reproduction probability to obtain the real-time reproduction speed, and simulate and calculate the reproduction data of sexually reproducing plants based on the real-time reproduction speed and the estimated maintenance years.

[0125] In practical applications, in addition to the impact on the reproduction of environmental plants, sexually reproducing plants reproduce by pollination to produce seeds, so they are also affected by pollinating insects. The fewer the number of pollinating insects, the fewer the seeds of the plants, and the slower the reproduction speed. At the same time, in some landscape garden designs, not all positions are soil, and some positions cover the soil with cement, marble, etc., so the seeds are easily unable to fall onto the soil and thus cannot take root and germinate. Multiplying the original reproduction speed by the reproduction probability to obtain the real-time reproduction speed is more in line with the actual design situation.

[0126] The steps of obtaining the social information of the application location and screening the anthropogenic change plants according to the social information are as follows:

[0127] Step S431, obtain the living population at the application location and obtain the average damage rate of the living population to the garden plants.

[0128] The preferences and habits of the living populations at different application locations are different, and the damage rates to the garden plants are also different. For example, some people will pick the flowers and fruits of plants and break the branches of plants.

[0129] Step S432, obtain the average damage rate of the garden plants being damaged by humans, and combine the average damage rate to obtain the plant damage rate.

[0130] The damage rates of different plants are also different. For example, some good-looking and fragrant plants are more likely to be picked by the crowd, while plants that are not very good-looking and have an unpleasant smell are generally avoided by the crowd and are not damaged much. The weight ratios of the average damage rate and the average destruction rate are set respectively, and the plant damage rate is calculated according to the weight ratios. For example, the weight ratios of the average damage rate and the average destruction rate are set as 40% and 60% respectively, and the average damage rate and the average destruction rate are 50% and 30% respectively, then the plant damage rate is 50%×40% + 30%×60% = 38%.

[0131] Step S433: Count the original quantity of landscape plants, and simulate and obtain the estimated quantity of landscape plants in the estimated maintenance years in combination with the reproduction data.

[0132] Based on the reproduction rate in the plant reproduction data, combined with the original quantity, the estimated quantity of landscape plants in the estimated maintenance years can be simulated.

[0133] Step S434: Calculate the damaged quantity of plants by combining the estimated quantity and the plant damage rate, and obtain the remaining quantity of plants in combination with the estimated quantity.

[0134] Based on the multiplication result of the plant damage rate and the estimated quantity, obtain the damaged quantity of plants, and subtract the damaged quantity of plants from the estimated quantity to obtain the remaining quantity of plants.

[0135] Step S435: Calculate the quantity difference between the remaining quantity of plants and the original quantity, and screen out the landscape plants whose quantity difference reaches the quantity difference threshold as the artificially changed plants.

[0136] In practical applications, some plants may have a fast reproduction rate, but due to artificial picking and damage, the quantity of plants will also be consumed. Statistically, the quantity of plants may not change much, so the change of such plants is relatively small. When the reproduction rate of plants and the rate of being damaged are not balanced, either the quantity of plants increases significantly or the quantity of plants decreases significantly, both of which will affect the landscape design space, so they are recorded as artificially changed plants.

[0137] Steps for evaluating the fitness of landscape design according to the design information and the change range, obtaining the virtual simulation result, and optimizing the design information according to the virtual simulation result are as follows:

[0138] Step S61: Extract the original planned space of the changed plants according to the design information, and extract the original occupied space of the changed plants.

[0139] In the process of landscape design, spaces will be planned for different buildings, plants, etc., so the original planned space of the changed plants can be extracted according to the design information. Even if the space is planned, it does not mean that the utilization rate of the space is 100%, so the occupied space of the changed plants is extracted according to the design. For example, the space allocated for Plant A is 1 square meter, but only a small amount of Plant A is planted in the design, and the actual occupied space only reaches 0.5 square meters.

[0140] Step S62: Overlay the original occupied space and the change range to obtain the estimated occupied space, and judge whether the estimated occupied space is greater than the original planned space.

[0141] By simulating the growth, reproduction of plants in the application environment and the influence from the outside world, the changes of plants in the estimated maintenance period can be obtained. According to the original occupied space and the change range, the future occupied space of plants can be estimated. For example, the original occupied space of Plant A is only 0.5 square meters. Through reproduction and growth, the change range is 1.5 square meters, so the estimated occupied space is 2 square meters.

[0142] Step S63, if the estimated occupied space is greater than the original planned space, obtain the estimated occupied space of the changed plants exceeding the original planned space to get the exceeded space.

[0143] For example, if the original planned space is 1 square meter and the estimated occupied space is 2 square meters, then the exceeded space is 1 square meter.

[0144] Step S64, extract the design products in the exceeded space according to the design information, and determine the adaptability of the landscape design according to the design products.

[0145] Step S65, if the estimated occupied space is not greater than the original planned space, obtain the blank space in the original planned space that is not the estimated occupied space, and obtain the adaptability of the landscape design according to the blank space.

[0146] For example, if the original planned space is 1 square meter and the estimated occupied space is 0.5 square meters, then the blank space is 0.5 square meters.

[0147] Step S66, generate a virtual simulation result according to the adaptability of the landscape design, and optimize the design information according to the virtual simulation result.

[0148] In actual application, if the landscape design wants to improve sustainability, it needs to meet the future change requirements. In the design, the occupied space of plants is most likely to change. When plants exceed the original planned space in the future, it will obviously cause trouble to other designs. For example, if plants grow onto the path, it will affect the progress of pedestrians. And if there are too few plants, the utilization rate of the original planned space will be low, which not only wastes resources but also has a certain impact on the overall design aesthetics. Therefore, according to the changes of plants, reasonably designing and optimizing the space ratio is beneficial to the sustainable development of the landscape.

[0149] The steps of extracting the design products in the exceeded space according to the design information and determining the adaptability of the landscape design according to the design products are specifically as follows:

[0150] Step S641, judge whether there are design products in the exceeded space. If there are no design products, extract the exceeded duration of the exceeded space according to the change range.

[0151] If there is no designed product in the exceeded space, the exceeded duration is judged, that is, according to the simulation process of plant growth and reproduction, the duration for which the plant exceeds the original planned space is obtained. For example, according to the virtual simulation process, it is judged that the plant exceeds the original planned space in the 10th year, and the estimated maintenance duration is 20 years, then the exceeded duration is 20 - 10 = 10 years.

[0152] Step S642, if there is a designed product, obtain the influence degree of the changed plant on the designed product.

[0153] If there is a designed product in the exceeded space, the plant will have an impact on the designed product. According to the simulation, the damage and occlusion degrees of the plant to the designed product can be obtained, and based on the damage and occlusion degrees, the influence degree is evaluated by the design user.

[0154] Step S643, generate a maintenance plan for the changed plant and extract the execution difficulty of the maintenance plan.

[0155] Step S644, comprehensively obtain the fitness of the landscape design by combining the exceeded duration, influence degree and execution difficulty.

[0156] In practical applications, the equation of the exceeded duration, influence degree, execution difficulty and fitness can be established by using the linear regression equation method, and the data is substituted into the equation for calculation. Of course, compared with other buildings, the interference of plants can be reduced through maintenance. For example, if there are too many plants reproducing, then manually remove them to reduce the number of plants. If the number of plants is too small, solve the problem by replanting. However, the execution difficulty of the maintenance plan is also different. For example, the root system of bamboo is relatively tough and difficult to remove, so the execution difficulty of removing bamboo to maintain the number of bamboo is relatively large. The execution difficulty in the maintenance plan can be evaluated according to the execution duration and execution frequency. When the exceeded duration is relatively long, it means that the interference time is relatively long. The greater the execution difficulty, the more inconvenient it is to maintain, and the greater the influence degree, the greater the associated damage degree will be. Therefore, the fitness is lower and the plan needs to be optimized in time. Optimize the design plan by adjusting the space occupied by plants, replacing plants, etc., and extend the service time of the landscape design.

[0157] The steps of obtaining the blank space in the original planned space that is not the estimated occupied space and obtaining the fitness of the landscape design according to the blank space are specifically as follows:

[0158] Step S651, count the area of the blank space and record it as the blank area, and count the space area of the original planned space.

[0159] Step S652, calculate the area ratio of the blank area to the space area, and construct the correlation curve between the area ratio and the fitness.

[0160] Step S653, find the adaptability of the landscape design according to the correlation curve.

[0161] In practical applications, the larger the proportion of the blank area, the lower the space utilization rate, and the lower the design adaptability. At the same time, when the proportion of the blank area is larger, it means that the deviation from the expected plan is greater. Therefore, the changes generated by the design in the later stage are greater, and the resulting effect is significantly lower, and it cannot well adapt to the future environment. When the adaptability is low, it is necessary to optimize the landscape design plan in a timely manner to improve the service life of the landscape and enhance the sustainability of the design.

[0162] A virtual simulation system based on landscape information, by applying a virtual simulation method based on landscape information as described above, includes:

[0163] A three-dimensional view module, which obtains the design information of the landscape and establishes a three-dimensional view of the landscape design according to the design information.

[0164] A plant information module, which extracts the estimated maintenance life of the landscape design according to the design information and extracts the plant information of the garden plants in the landscape design according to the three-dimensional view.

[0165] An environment information module, which obtains the application location of the landscape design and collects the environmental information of the application location.

[0166] A changing plant module, which simulates plant changes by combining environmental information, plant information and estimated maintenance life, screens the plants that have changed, and obtains the changing plants.

[0167] A change range module, which simulates and estimates the change range of the spatial proportion of the changing plants according to the plant information of the changing plants.

[0168] A simulation optimization module, which evaluates the adaptability of the landscape design according to the design information and the change range, obtains the virtual simulation result, and optimizes the design information according to the virtual simulation result.

[0169] The above are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A virtual simulation method based on landscape architecture information, characterized in that: The following steps are involved: Obtain the design information of the landscape garden, and establish a three-dimensional view of the landscape garden design based on the design information; The estimated maintenance life of the landscape design is obtained based on the design information, and the plant information of the garden plants in the landscape design is obtained based on the three-dimensional view; Obtain the application location of the landscape design and collect environmental information of the application location; Combining environmental information, plant information and estimated maintenance years to simulate plant changes, screen plants that have changed, and obtain changed plants; According to the plant information of the changed plants, the change range of the space occupied by the changed plants is simulated; According to the design information and the scope of variation, the adaptability of the landscape design is evaluated, the virtual simulation results are obtained, and the design information is optimized according to the virtual simulation results.

2. A virtual simulation method based on landscape architecture information according to claim 1, characterized in that: The step of combining environmental information, plant information and estimated maintenance years to simulate plant changes, screen plants that have changed, and obtain changed plants is specifically: The growth status of garden plants is extracted from plant information, and basic change plants are obtained by simulation and screening based on the growth status and estimated maintenance years; The reproduction mode of garden plants is obtained based on plant information extraction, and the reproduction data of garden plants is simulated by combining environmental information and estimated maintenance years. Natural variation plants are screened based on the reproduction data. Obtaining social information of the application location, and filtering artificially changed plants according to the social information; Basic changed plants, naturally changed plants and artificially changed plants are formed into a collection to obtain changed plants.

3. A virtual simulation method based on landscape architecture information according to claim 2, characterized in that: The step of extracting the growth status of the garden plants from the plant information and simulating and screening to obtain the basic change plants according to the growth status and the estimated maintenance years is specifically as follows: Extract the growth characteristics of garden plants according to plant information and obtain the real-time growth status of garden plants; Simulate the estimated growth status of garden plants in the estimated maintenance years according to growth characteristics and real-time growth status; Compare the state difference between the real-time growth state and the estimated growth state, and determine whether the state difference reaches a preset state threshold; If the state difference reaches the preset state threshold, it is directly recorded as a basic change plant; If the state difference does not reach the preset state threshold, the plant morphology of the garden plant in different seasons is extracted according to the plant information; Compare the morphological differences of plant morphologies in different seasons, calculate the mean of the morphological differences, and obtain the mean of the morphological differences; Determine whether the mean of the morphological difference reaches the preset mean difference standard. If it reaches the preset mean difference standard, it is recorded as the basic change plant, otherwise it is deleted.

4. A virtual simulation method based on landscape architecture information according to claim 3, characterized in that: The steps of extracting the reproduction mode of garden plants according to plant information, simulating the reproduction data of garden plants in combination with environmental information and estimated maintenance years, and screening and obtaining naturally changing plants according to the reproduction data are specifically as follows: Obtain the standard growth environment of garden plants and extract the real-time environment of the application location based on the environmental information; Compare the environmental difference between the standard growth environment and the real-time environment, find the corresponding reproduction speed according to the preset environmental difference-reproduction speed table and record it as the original reproduction speed; Obtain the propagation methods of garden plants, and divide garden plants into sexually propagated plants and asexually propagated plants according to the propagation methods; The reproduction data of asexually propagated plants are obtained by simulation and calculation based on the original reproduction speed of asexually propagated plants and the estimated maintenance years; Obtain the number of pollinating insects at the application location and combine it with the original reproduction rate to obtain the reproduction data of sexually reproducing plants; Plants whose reproduction data reaches a preset reproduction threshold are obtained to obtain naturally changing plants.

5. A virtual simulation method based on landscape architecture information according to claim 4, characterized in that: The step of obtaining the number of pollinating insects at the application location and obtaining the reproduction data of sexually reproducing plants in combination with the original reproduction rate is specifically as follows: Simulate the seed position of sexually reproducing plants and extract the soil position based on the design information; Count the number of sexually reproducing plants and estimate the number of seeds based on the number of pollinating insects; The probability of seeds falling to the soil is estimated based on the number of seeds, seed position and soil position and recorded as the reproduction probability; The real-time reproduction rate is obtained by multiplying the original reproduction rate and the reproduction probability. The reproduction data of sexually reproducing plants are obtained by simulation calculation based on the real-time reproduction rate and the estimated maintenance years.

6. A virtual simulation method based on landscape architecture information according to claim 5, characterized in that: The step of obtaining social information of the application location and screening the artificially changed plants according to the social information is specifically as follows: Obtain the population living in the application location and the average damage rate of the population to the garden plants; Obtain the average damage rate of garden plants caused by human damage, and combine it with the average destruction rate to obtain the plant damage rate; Count the original number of garden plants, and combine the reproduction data to simulate and emulate the estimated number of garden plants in the estimated maintenance period; The estimated number and the plant damage rate are combined to calculate the number of damaged plants, and the remaining plants are calculated by combining the estimated number; The quantitative difference between the remaining amount of plants and the original amount is calculated, and the garden plants whose quantitative difference reaches the quantitative difference threshold are screened as artificially changed plants.

7. A virtual simulation method based on landscape architecture information according to claim 6, characterized in that: The steps of evaluating the adaptability of the landscape design according to the design information and the variation range, obtaining the virtual simulation results, and optimizing the design information according to the virtual simulation results are specifically as follows: Extract the original planned space of the changed plants according to the design information, and extract the original occupied space of the changed plants; Superimpose the original occupied space and the change range to obtain the estimated occupied space, and determine whether the estimated occupied space is larger than the original planned space; If the estimated occupied space is larger than the original planned space, the estimated occupied space of the changed plant exceeding the original planned space is obtained to obtain the excess space; Extract design products beyond the space based on design information, and determine the suitability of landscape design based on the design products; If the estimated occupied space is not larger than the original planned space, the blank space of the non-estimated occupied space in the original planned space is obtained, and the adaptability of the landscape design is obtained according to the blank space; Generate virtual simulation results according to the suitability of landscape design, and optimize the design information based on the virtual simulation results.

8. A virtual simulation method based on landscape architecture information according to claim 7, characterized in that: The step of extracting design products that exceed the space according to the design information and determining the adaptability of the landscape design according to the design products is specifically as follows: Determine whether there is a designed product in the exceeded space. If there is no designed product, extract the exceeded time of the exceeded space according to the variation range. If there is a designed product, obtain the degree of impact of the changed plants on the designed product; Generate maintenance plans for changing plants and extract the execution difficulty of maintenance plans; The adaptability of the landscape design is comprehensively calculated by combining the duration of the exceedance, the degree of impact and the difficulty of implementation.

9. A virtual simulation method based on landscape architecture information according to claim 8, characterized in that: The step of obtaining the blank space of the original planned space that is not estimated to be occupied, and obtaining the adaptability of the landscape design according to the blank space is specifically as follows: Count the area of ​​the blank space and record it as the blank area, and count the area of ​​the original planned space; The ratio of blank area to space area is calculated, and the correlation curve between area ratio and adaptability is constructed; The suitability of the landscape design is obtained by searching the correlation curve.

10. A virtual simulation system based on landscape architecture information, characterized in that: By applying a virtual simulation method based on landscape architecture information as described in any one of claims 1 to 9, comprising: The three-dimensional view module obtains the design information of the landscape garden and establishes the three-dimensional view of the landscape garden design according to the design information; Plant information module, which extracts the estimated maintenance life of landscape design based on design information, and extracts plant information of garden plants in landscape design based on three-dimensional views; Environmental information module, which obtains the application location of landscape design and collects environmental information of the application location; The plant change module combines environmental information, plant information and estimated maintenance years to simulate plant changes, screen plants that have changed, and obtain changed plants; The variation range module simulates and estimates the variation range of the spatial proportion of the changed plants according to the plant information of the changed plants; The simulation optimization module evaluates the adaptability of the landscape design based on the design information and the range of changes, obtains the virtual simulation results, and optimizes the design information based on the virtual simulation results.

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