Design method of landscape architecture based on virtual real scene

Abstract

The invention discloses a design method of a landscape architecture based on a virtual scene, and belongs to the technical field of landscape architecture design, the design method of the landscape architecture based on the virtual scene comprises the following steps: S1, data acquisition; s2, carrying out digital modeling; s3, virtually designing a platform; s4, performing immersion experience and multi-subject collaborative review optimization; s5, virtually verifying ecological and technical feasibility; the VR equipment worn by the designer in the S3 comprises a screen display instrument covering the eyes of the user, a limiting sleeve limited on the head of the user is connected to the screen display instrument, a supporting pad attached to the head of the user is arranged on the inner side of the limiting sleeve, a sliding buckle is fixedly installed on the side, close to the limiting sleeve, of the supporting pad, and an adjusting belt is slidably connected into the sliding buckle in a penetrating mode; the adjusting belt is fixedly connected to the inner side of the limiting sleeve; an olfaction module is arranged in the VR equipment for immersive experience, so that the landscape smell in the virtual scene of the garden can be simulated, the perception of the immersive experience is improved, and the optimization of the design of the garden is assisted.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of garden landscape design, in particular to a garden landscape design method based on virtual reality. BACKGROUND

[0002] Traditional garden design relies on two-dimensional drawings, static renderings or physical models, which have problems such as spatial perception deviation, delayed scheme verification, and inefficient multi-party communication. Virtual reality technology is based on accurate site digital models, restores real spatial scales and environmental characteristics, supports designers, the principal party, and the public to experience the scheme in a virtual environment, intuitively perceives spatial relationships, improves design accuracy, accelerates scheme iteration, reduces implementation risks, and makes garden design closer to user needs and ecological goals.

[0003] For example, patent CN118886093A discloses an interactive garden design method and system based on landscape garden simulation. The method includes obtaining initial garden design information, analyzing the initial garden design information based on preset comparative basis index information to obtain initial garden design comparative basis information, performing virtual reality simulation based on the initial garden design information and the comparative basis index information to obtain garden virtual reality comparative basis information, comparing the initial garden design comparative basis information and the garden virtual reality comparative basis information to obtain a comparison result, adjusting the initial garden design information according to the comparison result to obtain garden design information, and improving the fusion compatibility of garden design and virtual reality technology to improve the experience effect when users and designers use virtual reality technology for interactive design.

[0004] For example, patent CN113971299A discloses a garden landscape construction combined design method. The method includes the following steps: S1: input account information on the login interface, view the operation information of the system after logging in to the system homepage, and further operate by clicking the project menu; S2: open the effect drawing through the project menu, directly display the specific content of the effect drawing using the window, and perform dynamic shaping operation and adjust the dynamic parameters to obtain a simulation view; S3: modify the simulation view using the editing function, set the slice effect in the system interface, set the slice properties, and finally complete the setting of the simulation view; S4: when using the software, the global dynamic simulation function can be used for learning, relevant system data can be imported in the system interface to form a new simulation view; the garden landscape effect drawing can be completely displayed in the software, and the garden landscape effect drawing data can be adjusted in a timely manner.

[0005] A VR device is disclosed in patent publication CN109343220B, which includes a lens holder, a containing box connected with the lens holder as a whole, a desiccant arranged in a space surrounded by the containing box and the lens holder, a drying hole arranged on the lens holder corresponding to the containing box, a shielding mechanism covering the drying hole, a power device for driving the shielding mechanism to adjust the opening size of the drying hole, a dryness sensor, and a mainboard. The power device and the dryness sensor are electrically connected with the mainboard. The mainboard drives the shielding mechanism to open the drying hole through the power device according to the electric signal fed back by the dryness sensor, so that the desiccant in the containing box is in communication with the closed space through the drying hole and contacts the closed space to absorb the moisture in the closed space, thereby reducing the humidity in the closed space between the face of the user and the VR device, avoiding the fogging of the lenses of the VR device or the lenses of the glasses of the user, and improving the wearing comfort. The core charm of landscape design lies in multi-sensory coordination, such as vision, hearing, smell, touch, etc. Smell is an important part of the artistic conception of landscape, which affects the design of plants, flowers, running water, etc. in the landscape. Some existing VR devices can only simulate the landscape in vision and hearing, which is difficult to restore the multi-sensory artistic conception of the landscape, is not conducive to actively promoting the overall design and reconstruction of designers, and the weight of some existing VR devices is large, which is pressed on the position of the alae nasi of the user under the action of gravity, which is also not conducive to the olfactory experience of the user.

[0006] In view of the above problems, it is urgent to make innovative design on the basis of the original landscape design method. SUMMARY

[0007] The purpose of the present application is to provide a design method for landscape based on virtual reality, to solve the problem that some existing VR devices can only simulate the landscape in vision and hearing, which is difficult to restore the multi-sensory artistic conception of the landscape, is not conducive to actively promoting the overall design and reconstruction of designers, and the weight of some existing VR devices is large, which is pressed on the position of the alae nasi of the user under the action of gravity, which is also not conducive to the olfactory experience of the user.

[0008] To achieve the above purpose, the present application provides the following technical scheme: a design method for landscape based on virtual reality, comprising the following steps:

[0009] S1, data acquisition, three-dimensional laser scanning to obtain high-precision point cloud data of terrain, vegetation, existing buildings and other sites, unmanned aerial vehicle aerial survey to obtain high-definition aerial photography image and oblique photography data, to generate site orthographic image, DSM, to integrate macro data such as site surrounding road network, water system, climate, soil type through GIS geographic information system, and finally to supplement field research, to record site cultural heritage and user demand.

[0010] S2, digital modeling, importing point cloud data, aerial images, GIS information into three-dimensional modeling software to build an initial digital twin model containing terrain, vegetation, and structures. The model should preserve details such as terrain slope, existing tree diameter and crown width, and surface elevation changes.

[0011] S3, virtual design platform, using design software supporting VR / AR interaction, designers wearing VR equipment enter the virtual site and directly layout design based on simulated real scenes.

[0012] S4, immersive experience and multi-agent collaborative review optimization, through multi-agent immersive experience, simulating the line of sight range of key viewing nodes such as pavilions and bridgeheads, and checking whether there are problems such as tree blocking distant mountains and low hedges blocking lake views.

[0013] S5, virtual verification of ecological and technical feasibility, combining BIM technology to integrate structure, water supply and drainage professional models with virtual reality, checking structure safety and pipeline conflicts.

[0014] The VR equipment worn by the designer in S3 includes a screen display instrument covering the user's eyes, a limiting sleeve connected to the screen display instrument, a supporting pad on the inside of the limiting sleeve, a slide buckle fixedly installed on one side of the supporting pad close to the limiting sleeve, an adjusting belt slidingly connected through the slide buckle, and the adjusting belt fixedly connected to the inside of the limiting sleeve; an adjusting mechanism for controlling the tension of the adjusting belt and adjusting the center of gravity of the screen display instrument is arranged below the limiting sleeve.

[0015] Preferably, the adjusting mechanism includes a waistband arranged below the limiting sleeve, the waistband is sleeved around the user's waist position, and a double-fleece buckle is fixedly arranged on one side of the waistband close to the adjusting belt; a guide buckle is fixedly connected outside the double-fleece buckle, and the adjusting belt is connected through the double-fleece buckle and the guide buckle; a hook-faced magic tape is fixedly arranged on the surface of the adjusting belt, and the hook-faced magic tape is adhesively connected with the double-fleece buckle.

[0016] Preferably, a curved groove is arranged at a position close to the user's nasal ala on the screen display instrument, and an olfactory module simulating the release of garden landscape odor is arranged on the screen display instrument.

[0017] Preferably, the olfactory module includes a supporting seat fixedly installed at the bottom of the screen display instrument, a connecting piece fixedly arranged at the bottom of the supporting seat, and an arc-shaped sealing cover fixedly installed on the connecting piece; an odor capsule cartridge is rotatably installed in the arc-shaped sealing cover along the axis direction, and a plurality of odor capsule cartridges are arranged at equal intervals below the supporting seat.

[0018] Preferably, a paste simulating various odors of garden landscapes is arranged on the inner wall of the odor capsule cartridge, and a plurality of air holes are arranged at equal angles along the semicircular arc direction on the odor capsule cartridge.

[0019] Preferably, the end of the smell capsule bin away from the air hole is connected with a piston rod through sliding, the piston rod is fixedly installed with a piston disc, the outer wall of the piston disc is in frictional contact with the inner wall of the smell capsule bin, and the end of the piston rod away from the piston disc is fixedly installed with a driving block.

[0020] Preferably, the bottom of the support base is fixedly installed with an outer micro-cylinder, and the output end of the outer micro-cylinder is fixedly connected with a power frame; the power frame is arranged outside the plurality of driving blocks, and the power frame is provided with a clamping groove in clamping connection with the driving blocks.

[0021] Preferably, the inside of the arc-shaped sealing cover is rotatably embedded with a collar, and the collar is fixedly sleeved outside the smell capsule bin.

[0022] Preferably, the outside of the collar is fixedly sleeved with a gear ring, the gear ring is in meshing connection with a transmission gear beside the gear ring, the transmission gear is rotatably connected to the connecting piece, and the support base is provided with a strip-shaped groove, and the transmission gear is arranged in the strip-shaped groove.

[0023] Preferably, the inside of the support base is fixedly installed with an inner micro-cylinder, the output end of the inner micro-cylinder is fixedly provided with a rack, the rack is in meshing connection with the transmission gear, and the arc-shaped sealing cover is provided with a through groove, and the transmission gear is arranged in the through groove.

[0024] Compared with the prior art, the method has the advantages that the method for designing a garden landscape based on virtual reality designs a virtual garden on a virtual design platform through data collection and digital modeling, designers and review staff can immerse in the virtual garden by wearing VR equipment, and can put forward more practical and beautiful design schemes according to the experience, and the virtual reality effectively assists the garden design.

[0025] Further, the limiting sleeve of the VR equipment is provided below with an adjusting mechanism for adjusting the tension of the adjusting belt and controlling the wearing center of gravity of the screen display instrument, the VR equipment is worn on the head of the patient, and the tension of the adjusting belt is adjusted through the waist belt and the adjusting belt, so that the wearing center of gravity of the screen display instrument is adjusted, the oppression of the screen display instrument on the face and the alae nasi of the user is reduced, the length of the immersive experience is prolonged, and the effect of the olfactory experience of the user is improved.

[0026] Further, the screen display instrument is provided with an olfactory module for simulating the release of the smell of the garden landscape, a plurality of smell capsule bins are arranged below the screen display instrument, the paste in the inner wall of the smell capsule bin simulates the smell of different landscapes in the garden, when the screen display instrument is switched to a certain garden landscape, the corresponding smell is released according to the landscape distribution, and the effect of the immersive experience of the user is improved.

[0027] Through the meshing transmission of the rack, the transmission rack and the gear ring, the rotation of the smell capsule bin can be controlled, so that the air hole on the smell capsule bin is rotated to be exposed or rotated to be protected in the arc-shaped sealing cover, so that different smell capsule bins are rotated to release the smell.

[0028] The smell capsule bin in the releasing state is rotated, the end face of the driving block is engaged in the power frame, the power frame is controlled to move back and forth, the power frame drives the piston rod and the piston disc to move back and forth through the driving block, the piston disc moves back and forth to suck and discharge the smell through the air hole, the sucked gas enters the inside of the smell capsule bin and is then discharged outward, which can accelerate the smell release, and the piston disc moves back and forth to rub the paste on the inner wall of the smell capsule bin, which can also increase the release of the paste smell and improve the effect of the olfactory experience. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic view of a waistband structure of the present application.

[0030] Figure 2 It is a schematic view of a limiting sleeve structure of the present application.

[0031] Figure 3 It is a schematic view of a screen display instrument structure of the present application.

[0032] Figure 4 It is a schematic view of an adjusting belt structure of the present application.

[0033] Figure 5 It is a schematic view of a guide buckle structure of the present application.

[0034] Figure 6 It is a schematic view of a support seat structure of the present application.

[0035] Figure 7 It is a schematic view of an arc-shaped sealing cover structure of the present application.

[0036] Figure 8 It is a schematic view of a power frame structure of the present application.

[0037] Figure 9 It is a schematic view of a smell capsule bin structure of the present application.

[0038] Figure 10 It is a schematic view of a sleeve ring structure of the present application.

[0039] Figure 11 It is a schematic view of a piston disc structure of the present application.

[0040] Figure 12 It is a schematic view of a transmission gear structure of the present application.

[0041] In the figure: 1, screen display instrument; 2, limit sleeve; 3, support pad; 4, slide buckle; 5, adjusting belt; 6, waistband; 61, double-fleece buckle; 62, guide buckle; 63, hook-faced magic tape; 7, curved groove; 8, support seat; 9, connecting sheet; 10, arc-shaped sealing cover; 11, odor capsule bin; 111, air hole; 112, piston rod; 113, piston disc; 114, driving block; 12, collar; 121, gear ring; 122, transmission gear; 123, rack; 124, inner micro air cylinder; 125, through groove; 13, outer micro air cylinder; 14, power frame; 15, clamping groove; 16, strip-shaped groove. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0043] Embodiment one: the present application provides the following technical solution: a design method of garden landscape based on virtual real scene, comprising the following steps:

[0044] S1, data acquisition, three-dimensional laser scanning obtains high-precision point cloud data of the terrain, vegetation, existing buildings and other sites, unmanned aerial vehicle aerial survey obtains high-definition aerial photography image and oblique photography data, generates site orthographic image, DSM, integrates macro data such as site surrounding road network, water system, climate, soil type through GIS geographic information system, finally supplements by field investigation, records site cultural heritage and user demand.

[0045] S2, digital modeling, import point cloud data, aerial photography image, GIS information into three-dimensional modeling software, build initial digital twin model containing terrain, vegetation, structure, the model needs to retain terrain slope, diameter at breast height and crown width of existing trees, ground elevation change and other details.

[0046] S3, virtual design platform, use design software supporting VR / AR interaction, designer wears VR equipment to enter virtual site, directly layout design based on simulated real scene.

[0047] S4, immersive experience and multi-agent collaborative review optimization, through multi-agent immersive experience, simulate the line of sight range of key viewing nodes such as pavilion and bridge head, check whether there are problems such as tree obstruction of distant mountains and low hedge obstruction of lake landscape through virtual visual angle.

[0048] S5, ecological and technical feasibility virtual verification, combine BIM technology to fuse professional models such as structure and water supply and drainage with virtual real scene, check structure safety and pipeline conflict.

[0049] Please refer to Figures 1-5 , the VR device worn by the designer in S3 includes a screen display instrument 1 covering the user's eyes, a limiting sleeve 2 connected to the screen display instrument 1 and limiting the user's head, a support pad 3 arranged on the inside of the limiting sleeve 2 and fitted on the user's head, a slide buckle 4 fixedly installed on one side of the support pad 3 close to the limiting sleeve 2, an adjusting belt 5 slidingly connected through the slide buckle 4, and the adjusting belt 5 fixedly connected to the inside of the limiting sleeve 2; an adjusting mechanism for controlling the tension of the adjusting belt 5 and adjusting the wearing center of gravity of the screen display instrument 1 is arranged below the limiting sleeve 2.

[0050] Please refer to Figures 1-5 , the adjusting mechanism includes a waistband 6 arranged below the limiting sleeve 2, the waistband 6 is sleeved to limit the position of the user's waist, and a double-fleece buckle 61 is fixed on one side of the waistband 6 close to the adjusting belt 5; a guide buckle 62 is fixedly connected outside the double-fleece buckle 61, the adjusting belt 5 is connected through the double-fleece buckle 61 and the guide buckle 62; a hook-faced magic tape 63 is fixedly arranged on the surface of the adjusting belt 5, and the hook-faced magic tape 63 is adhesively connected with the double-fleece buckle 61.

[0051] Based on the data collection of designing the garden, a virtual three-dimensional model of the garden is constructed, and through the VR device, the virtual real scene can be entered, and the virtual garden landscape can be experienced in an immersive manner. Designers and reviewers can propose more reasonable design modification schemes based on the virtual real scene, effectively assisting the garden design.

[0052] The user sleeves the limiting sleeve 2 on the head position, and the screen display instrument 1 corresponds to the user's eyes. Through the screen display instrument 1, the user can experience the garden design in an immersive manner. After wearing, the support pad 3 supports and fits on the user's head, the waistband 6 is worn on the user's waist position, the wearing center of gravity of the screen display instrument 1 can be adjusted by controlling the movement of the adjusting belt 5, the adjusting belt 5 moves inside the double-fleece buckle 61 and the guide buckle 62, the hook-faced magic tape 63 on the adjusting belt 5 is adhesively connected inside and outside the double-fleece buckle 61, the adhesion can fix the movement adjustment position of the adjusting belt 5, under the tension of the adjusting belt 5 and the waistband 6, the wearing center of gravity of the screen display instrument 1 is adjusted, the compression feeling caused by wearing is reduced, the user's immersive experience is prolonged, the compression force on the nose is reduced, and the subsequent olfactory experience effect is improved.

[0053] Example two: please refer to Figures 6-10On the basis of the first embodiment, the olfactory module is disclosed, and the specific structure is as follows: the curved groove 7 is arranged on the screen display instrument 1 close to the position of the user's alae nasi, and the screen display instrument 1 is provided with the olfactory module for simulating the release of the landscape odor. The olfactory module comprises a support seat 8 fixedly installed at the bottom of the screen display instrument 1, a connecting piece 9 fixedly installed at the bottom of the support seat 8, and an arc-shaped sealing cover 10 fixedly installed on the connecting piece 9. The odor capsule bin 11 is rotatably installed in the arc-shaped sealing cover 10 along the axis direction, and a plurality of odor capsule bins 11 are arranged at equal intervals below the support seat 8.

[0054] Please refer to Figures 8-11 The inner wall of the odor capsule bin 11 is provided with a paste body simulating a plurality of odors of the landscape, and a plurality of air holes 111 are arranged on the odor capsule bin 11 at equal angles along the semicircular arc direction. The end of the odor capsule bin 11 away from the air hole 111 is slidably connected with a piston rod 112, the piston rod 112 is fixedly installed with a piston disc 113, and the outer wall of the piston disc 113 is in frictional contact with the paste body in the inner wall of the odor capsule bin 11. The end of the piston rod 112 away from the piston disc 113 is fixedly installed with a driving block 114. The bottom of the support seat 8 is fixedly installed with an outer micro pneumatic cylinder 13, and the output end of the outer micro pneumatic cylinder 13 is fixedly connected with a power frame 14. The power frame 14 is arranged outside the plurality of driving blocks 114, and the power frame 14 is provided with a clamping groove 15 engaged with the driving block 114.

[0055] Please refer to Figures 7-12 The arc-shaped sealing cover 10 is rotatably embedded with a sleeve ring 12, and the sleeve ring 12 is fixedly sleeved outside the odor capsule bin 11. The sleeve ring 12 is fixedly sleeved with a gear ring 121, and the gear ring 121 is engaged with a transmission gear 122, and the transmission gear 122 is rotatably connected to the connecting piece 9. The support seat 8 is provided with a strip-shaped groove 16, and the transmission gear 122 is arranged in the strip-shaped groove 16. The inner micro pneumatic cylinder 124 is fixedly installed in the support seat 8, and the output end of the inner micro pneumatic cylinder 124 is fixedly provided with a rack 123, and the rack 123 is engaged with the transmission gear 122. The arc-shaped sealing cover 10 is provided with a through groove 125, and the transmission gear 122 is arranged in the through groove 125.

[0056] The screen display instrument 1 can simulate the landscape smell in the landscape according to the landscape change in the garden design when switching the garden scene, improve the immersive experience, and the micro cylinder 124 can drive the rack 123 to move horizontally, the rack 123 is in meshing connection with the transmission gear 122, the transmission gear 122 is fixed outside the sleeve ring 12, the smell capsule bin 11 and the sleeve ring 12 are driven to rotate in the arc-shaped sealing cover 10, the air hole 111 on the smell capsule bin 11 is driven to rotate away from the arc-shaped sealing cover 10, the driving block 114 is driven to rotate at the same time, the driving block 114 is engaged into the clamping groove 15 on the power frame 14, the end surface of the smell capsule bin 11 in the air hole 111 opening state is connected with the power frame 14 through the driving block 114, and the end surface of the smell capsule bin 11 in the air hole 111 closing state in the arc-shaped sealing cover 10 is not in contact with the power frame 14, so that the smell capsule bin 11 in the air hole 111 opening state is synchronously driven.

[0057] The outer micro cylinder 13 drives the power frame 14 to move reciprocatingly, the power frame 14 drives the driving block 114 in the engaged state to move reciprocatingly synchronously, the driving block 114 drives the piston rod 112 and the piston disc 113 to move synchronously, the piston disc 113 is attached to the inner wall of the smell capsule bin 11 and moves reciprocatingly, the piston disc 113 can suck and discharge the gas through the air hole 111 when moving reciprocatingly, the gas is sucked into the smell capsule bin 11 through the air hole 111 and is discharged outward, the smell of the paste on the inner wall of the smell capsule bin 11 can be released outward, the piston disc 113 is in frictional contact with the paste on the inner wall of the smell capsule bin 11 in the reciprocating movement process, the smell is further released outward under the frictional effect, the olfactory sense effect is improved, the personnel wearing the VR device can have a more immersive experience of the virtual garden scene, design inspiration can be provided according to the olfactory sense, and the garden design scheme is modified.

[0058] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0059] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A virtual reality-based design method for a landscape, characterized by, Comprise the following steps: S1, data acquisition, three-dimensional laser scanning obtains high-precision point cloud data of terrain, vegetation, existing buildings and other sites, unmanned aerial survey obtains high-definition aerial photography image and oblique photography data, generates site orthographic image, DSM, integrates site surrounding road network, water system, climate, soil type and other macro data through GIS geographic information system, finally field research supplement, records site cultural heritage and user demand; S2, digital modeling, import point cloud data, aerial image, GIS information into three-dimensional modeling software, build initial digital twin model containing terrain, vegetation, structure, model needs to keep terrain slope, existing tree diameter and crown width, ground elevation change and other details; S3, virtual design platform, using design software supporting VR / AR interaction, designer wearing VR equipment enters virtual site, directly layout design based on simulation real scene; S4, immersive experience and multi-agent collaborative review optimization, through multi-agent immersive experience, simulate the sight line range of key viewing nodes such as pavilion and bridge head, check whether there are problems such as tree blocking distant mountains and low hedge blocking lake landscape through virtual perspective; S3, the VR equipment worn by the designer comprises a screen display instrument (1) covering the eyes of the user, a limiting sleeve (2) connected to the screen display instrument (1) and limiting the head of the user, a supporting pad (3) arranged on the inner side of the limiting sleeve (2) and fitted on the head of the user, a slide buckle (4) fixedly installed on one side of the supporting pad (3) close to the limiting sleeve (2), an adjusting belt (5) penetratingly and slidably connected in the slide buckle (4), and the adjusting belt (5) fixedly connected to the inner side of the limiting sleeve (2). A adjusting mechanism for controlling the tension of the adjusting belt (5) and adjusting the wearing center of gravity of the screen display instrument (1) is arranged below the limiting sleeve (2). The adjusting mechanism comprises a waistband (6) arranged below the limiting sleeve (2) and sleeved on the waist of the user, and a double-fleece buckle (61) fixedly arranged on one side of the waistband (6) close to the adjusting belt (5).

2. The virtual reality-based landscape design method according to claim 1, wherein: The double-fleece buckle (61) is fixedly connected with a guide buckle (62) outside, and the adjusting belt (5) is penetratingly connected with the double-fleece buckle (61) and the guide buckle (62). A hook-faced magic tape (63) is fixedly arranged on the surface of the adjusting belt (5) and adhesively connected with the double-fleece buckle (61). A bend groove (7) is arranged on the screen display instrument (1) close to the position of the alae nasi of the user, and an olfactory module for simulating the release of garden landscape smell is arranged on the screen display instrument (1).

3. The virtual reality-based landscape design method of claim 1, wherein: The olfactory module comprises a supporting seat (8) fixedly installed on the bottom of the screen display instrument (1), a connecting piece (9) fixedly arranged on the bottom of the supporting seat (8), and an arc-shaped sealing cover (10) fixedly installed on the connecting piece (9).

4. The virtual reality-based landscape design method of claim 3, wherein: An odor capsule bin (11) is rotatably installed in the arc-shaped sealing cover (10) along the axial direction, and a plurality of odor capsule bins (11) are arranged at equal intervals below the supporting seat (8). ​ 5. The virtual reality-based landscape design method according to claim 4, wherein: The inner wall of the smell capsule bin (11) is provided with a paste simulating various smells of garden landscape, and a plurality of air holes (111) are arranged on the smell capsule bin (11) along the semicircular arc direction at equal angles.

6. The virtual reality-based landscape design method according to claim 5, wherein: The end of the smell capsule bin (11) away from the air hole (111) is slidably connected with a piston rod (112), and the piston rod (112) is fixedly installed with a piston disc (113), and the outer wall of the piston disc (113) is in frictional contact with the paste in the inner wall of the smell capsule bin (11). The end of the piston rod (112) away from the piston disc (113) is fixedly installed with a driving block (114).

7. The virtual reality-based landscape design method according to claim 6, wherein: The bottom of the support seat (8) is fixedly installed with an outer micro pneumatic cylinder (13), and the output end of the outer micro pneumatic cylinder (13) is fixedly connected with a power frame (14). The power frame (14) covers the outside of the plurality of driving blocks (114), and the power frame (14) is provided with a clamping groove (15) matched with the driving blocks (114). 8.The virtual reality-based garden landscape design method of claim 4, wherein: The inside of the arc-shaped sealing cover (10) is rotatably embedded with a sleeve ring (12), and the sleeve ring (12) is fixedly sleeved outside the smell capsule bin (11). 9.The virtual reality-based garden landscape design method of claim 8, wherein: The outside of the sleeve ring (12) is fixedly sleeved with a gear ring (121), and the gear ring (121) is meshingly connected with a transmission gear (122), and the transmission gear (122) is rotatably connected with the connecting piece (9). The support seat (8) is provided with a strip-shaped groove (16), and the transmission gear (122) is arranged in the strip-shaped groove (16).

10. The virtual reality-based landscape design method of claim 9, wherein: The inside of the support seat (8) is fixedly installed with an inner micro pneumatic cylinder (124), and the output end of the inner micro pneumatic cylinder (124) is fixedly provided with a rack (123), and the rack (123) is meshingly connected with the transmission gear (122). The arc-shaped sealing cover (10) is provided with a through groove (125), and the transmission gear (122) is arranged in the through groove (125).

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