33results about How to "Improve rendering efficiency" patented technology

The embodiment of the invention discloses a three-dimensional map rendering and display method. The method includes the following steps that: a model file corresponding to a current scene model is called according to map position information of a current view point; data in the model file are cached in the form of an octree structure; based on the combination of the octree structure and the frustum of the current view point, visibility judgment of level of detail (LoD) is performed on all nodes inside the current scene model through adopting a preset visibility judging algorithm, so that visible nodes and child nodes of the model file which enter the view field range of the frustum of the current view point can be marked; and a scene which enters the view field range of the frustum of the current view point can be rendered and displayed according to the marked visible nodes and child nodes. The invention also discloses a three-dimensional map rendering and display system. With the three-dimensional map rendering and display method and system of the invention adopted, rendering efficiency can be improved, and network traffic can be reduced, and large-scale point cloud data can be displayed for users through Web three-dimensional technologies.

The invention provides a method for rendering a computer simulation scene. The method comprises the steps that: a central processing unit (CPU) builds a particle initial data and informs a graphics processing unit (GPU) of the initial data when a particle system is initialized; in each rendering frame, the CPU informs the GPU of the time offset amount of the current frame relative to the initial data generated during the building, the GPU determines the particle attribute information of the current frame for scene rendering according to the time offset amount and the initial data, and displays the particles of the current frame on a screen of a scene observation device according to the particle attribute information currently confirmed. The rendering effect is improved after the method is adopted.

The invention discloses a method and a system for improving the rendering efficiency of a Web application interface. The method comprises the steps of A, receiving a tag object from an HTML page, performing conversion and mapping on the tag object, and mapping the tag object into a native control object of an operation system; B, binding the mapped native control object of the operation system with a display processing service program; and C, performing image display and synthesis processing on the mapped native control object through the display processing service program, and finally performing display output. According to the method and the system, a Webkit kernel is improved, so that a tag element from Html is subjected to mapping and conversion when being analyzed, and the converted native control object is transmitted to the display service program of the operation system; and a Web interface element is rendered by bypassing a WebView and directly utilizing a native display service program of the operation system through the method, so that the rendering efficiency is improved and the user experience of Web applications is enhanced.

The invention discloses a marine scalar field volume rendering method based on an earth sphere model. The method concretely comprises the following steps: adopting an arc-shaped body composed of six gridding faces to substitute a cuboid as an agent geometry; conducting coordination transformation on the agent geometry composed of the arc-shaped body in the process of light projection, and converting a light projection path from world coordinates to high warp / weft coordinates; improving the frame rate of dynamic rendering through dynamic changing multithreading pre-loading of visualization effect and the LOD rendering method of the arc-shaped body; adopting a coloring language GLSL to realize the light projection volume rendering algorithm based on the sphere model on a GPU. According to the method, through coordinate transformation, drawn bodies can be attached to the surface of the earth precisely, and data and the boundary of the land are accurate. The method has the advantages of being good in visualization effect and high in rendering efficiency, and has good expandability at the same time.

The invention aims to provide a method and equipment used for providing the representation information. The method specifically comprises the following steps of obtaining initial application information represented to a corresponding user via mobile equipment; generating target application information corresponding to the initial application information; representing the target application information to the mobile equipment; obtaining the access request of the user to a representation information link; sending the access request to the network equipment; receiving a representation information page generated by the network equipment on the basis of the access request. Compared with the prior art, the method and the equipment are characterized in that the target application information corresponding to the initial application information is generated, the representation information page generated by the network equipment is received, so that the corresponding representation information page is obtained by the representation information link corresponding to the representation information, the user requirement is satisfied on the representation information page, and the information representation efficiency and the user information acquisition efficiency are improved.

A system for making and rendering a large-scale terrain is disclosed, which includes a terrain editor and a game client. The terrain editor is used to create a current terrain and process and serialize generated terrain data into data required when a game is running. The game client instantiates a terrain management object, gives the basic rendering texture, and renders the terrain during the running of the game. The terrain data include terrain height data, surface texture data and vegetation data. The invention also provides a system method for making and rendering a large-scale terrain, which can produce different shapes of the ground surface, effectively reduce the number of texture mixing, improve the rendering efficiency, effectively reduce the number of grids within the field of view, and reduce the rendering pressure and memory consumption.

The invention provides a point of interest (POI) marking method, a terminal, a navigation server and a navigation system, and relates to the technical field of navigation. The marking method comprises the following steps: synthesizing all POIs of a building into an integral POI; and adjusting the pre-arrangement position of a corresponding integral POI on the basic wall face of each visible building in sequence according to display priorities, and performing displaying in a way that covering does not exist among the integral POIs. The integral POIs are taken as objects to perform position adjustment and display, so that the data processing stress during covering processing can be relieved. Moreover, more POIs can be displayed on a screen of mobile equipment through horizontal / vertical axial rotational adjustment when covering exists.

The invention discloses a remote sensing image classification based large-scale infrared terrain scene real-time rendering method and belongs to the technical field of infrared physics and virtual reality. The method includes steps of firstly establishing a terrain classification model; establishing a simplified terrain radiation model, calculating terrain surface temperature values of differentterrains, and converting the calculated terrain surface temperature values of the different terrains into color data according to a fragment shader, and adding infrared noise so as to realize infraredtexture rendering; finally, based on a cfMMOC model, performing real time rendering on infrared characteristics of large-scale terrain. The rendering flow of the invention is based on the cfMMOC model and a shader program, has high rendering efficiency, and can realize the real-time rendering of the global terrain infrared characteristics under a condition with low resource consumption. The framerate of the whole rendering process can be stabilized at more than 55 frames, which meets the real-time rendering conditions.

The invention provides a method for achieving graph acceleration of an android simulator on a computer. The method comprises the steps that 1, when the android simulator operates, the android simulator transmits graph rendering data to a bridge; 2, the bridge packs the graph data and sends the graph data to a receiving program of a computer desktop system; 3, after the receiving program receives the data, the data are unpacked, and the unpacked data are sent to a graph drive of the computer desktop system to render a graph; 4, after rendering is finished through the computer desktop system, a data result is returned to the receiving program of the computer desktop system; 5, the data result is packed by the receiving program and sent to the bridge; 6, after receiving the data result, the bridge unpacks the data and sends the data to the android simulator; 7, after the android simulator receives the data result, rendering is finished. The graph rendering effect is good, and rendering efficiency is high.

The invention discloses a tree component rendering method and device, data processing equipment and a medium. The tree component rendering method comprises the steps of obtaining data nodes in a listform; marking index values and node relationships of the data nodes; determining a data node to be rendered; and based on the index value of the data node and the node relationship, determining a display position of a to-be-rendered data node and displaying the hierarchy of the to-be-rendered data node in an internal second label; before rendering, setting a parent label, the internal first labeland the internal second label, wherein the height of the parent label is the height of a picture visual area, the height of the internal first label is the same as that of a to-be-displayed data nodelist, the internal first label is used for supporting the tree structure and forming a scroll bar for scroll display, the internal second label is used for rendering the to-be-rendered data node. According to the invention, the tree component supporting mass data rendering can be realized.

The invention relates to the field of data processing, and in particular to a method for remotely testing performance of virtual reality software and a terminal. The method comprises the following steps of: mounting a preset test script to virtual reality software; when a test request sent by a server is received, obtaining all the UI objects corresponding to the virtual reality software by the test script so as to obtain a first UI object set; obtaining a MipMap function state corresponding to each UI object in the first UI object set by the test script so as to obtain a function state set, wherein the MipMap function state comprises open state and a close state; and sending the first UI object set and the function state set to the server by the test script so as to ensure that the servergenerates a test report according to the first UI object set and the function state set. According to the method, the correctness of detecting texture resources which unreasonably occupy memories isimproved without source codes.

The invention provides an indoor scene rendering method and device thereof. The method comprises the steps that 3D objects in a scene are traversed; visibility detection is performed on the 3D objects so as to acquire indoor visible models of the 3D objects; filtering of the 3D objects is performed so that the indoor visible models are sequentially converted into data exchange files; and the data exchange files are transmitted to a rendering server. To sum up, the indoor scene rendering method and device thereof have the following beneficial effects that the rendering efficiency can be enhanced, waste of server resources can be reduced and rendering time can be shortened; and the objects of the other side of transparent windows and doors can be rendered so as to give true feelings to users.

The invention relates to the technical field of image processing, and provides a scene rendering method and device, electronic equipment and a storage medium. The method comprises the steps: receiving a rendering request, wherein the rendering request is used for making a request to render a target scene and comprises a target scene identifier of the target scene; in response to the rendering request, searching for a to-be-rendered space scene matched with the target scene identifier, and displaying the space scene through a webpage; determining whether light rays emitted from screen pixels intersect with a triangular surface in the space scene, and acquiring material information of the triangular surface under the condition of determining that the light rays intersect with the triangular surface; and determining illumination information of the light rays relative to the triangular surface based on the material information, and performing real-time rendering on the to-be-rendered scene through a rendering engine based on the illumination information. According to the method and the device, the scene can be rendered in real time at the webpage, so that the scene rendering efficiency is improved, noise points in the scene rendering process are reduced, and the visual trueness of scene rendering is improved.

The invention relates to the technical field of building information, and provides a BIM loading method and device for a building information model and the method comprises the steps: obtaining a to-be-loaded BIM; determining primitives of a same material in the to-be-loaded BIM model; merging primitives of the same material in the to-be-loaded BIM model to obtain a target BIM model; according tothe distance from a scene center of the target BIM model to the viewpoint, generating at least one BIM model, wherein the precision of the at least one BIM model is different, wherein the scale of each BIM model in the at least one BIM model is not larger than a preset scale threshold value; when a front-end loading request carrying a scaling distance is received, determining a first BIM model inthe at least one BIM model according to the scaling distance; and loading the first BIM model to a front end for display. According to the technical scheme of the embodiment of the invention, the rendering efficiency of the BIM model can be improved.

The invention provides a game scene optimization method and device, electronic equipment and a storage medium, and relates to the technical field of computers. The game scene optimization method comprises the steps of detecting attribute data of a target model in a current game scene; obtaining a set model conversion threshold value, and detecting whether the attribute data meets the model conversion threshold value or not; in response to the fact that the attribute data meet the model conversion threshold, obtaining a simplified model corresponding to the target model; and replacing the target model in the current game scene with the simplified model to realize optimization processing of the current game scene. According to the technical scheme, the attribute parameters of model loading can be automatically set according to the return information of the model bounding box and the model keywords, the workload of workers can be reduced, the working efficiency can be improved, the game scene can be optimized through the attribute parameters, the resource rendering amount can be reduced, and the working efficiency of the game engine can be improved.

The embodiment of the invention discloses a bullet screen rendering method and device, computer equipment and a storage medium, and belongs to the technical field of computers. The method comprises the following steps: acquiring target bullet screens within a target duration; drawing the target bullet screens in the same bitmap to obtain target bitmaps; uploading target textures corresponding to the target bitmaps to a video memory, wherein the target textures comprise barrage textures corresponding to the target bullet screens; and in response to the bullet screens refreshing signal, rendering the barrage texture in the target texture by calling a rendering instruction in the graphic program interface. According to the embodiment of the invention, the target barrage is drawn in the samebitmap; a primary texture uploading instruction is called to upload the target texture to a video memory; the texture uploading frequency is reduced, in the whole barrage rendering process, batch bullet screen rendering can be achieved only by calling the rendering instruction once, processor overload caused by frequent calling of the rendering instruction is avoided, the situation that playing isnot smooth when the number of bullet screens is large is relieved, and the bullet screen playing fluency is improved.

The invention discloses a map rendering method and device, equipment and a storage medium, and the method comprises the steps: responding to a received map construction request, and determining a to-be-rendered data source; creating a to-be-rendered layer for each to-be-rendered data source, and creating a map view window; loading all the layers to be rendered to a map view window; and when the map rendering instruction is received, rendering the to-be-rendered layer in the map view window, and generating the map view, so that the used rendering resources are more effectively reduced, and the rendering efficiency is improved.

The invention discloses a game object flying display method in a 2D game and a game object flying display system thereof. The display method comprises the steps that the parameters of flying height of each game object in a game scene are additionally arranged in rendering display rules, and the parameters are set as the highest priority judgment parameters for judging the shielding relationship of all the gam objects; and the flying height of the flying objects in the game scene is judged, and rendering display is performed on the game objects according to the shielding relationship that the game objects of high flying height shield the game objects of low flying height. The display system comprises a setting module, a judgment module and a display module. According to the game object flying display method in the 2D game and the game object flying display system thereof, the realistic flying effect can be realized, and the resource occupation of the system is small so that the rendering efficiency can be greatly enhanced and thus the user experience effect can be enhanced.

The invention provides a method of a light source management system of a next-generation game render engine. The method comprises the following steps: A, confirming visibility: in accordance with actual situations, confirming the visibility in a mode of taking observers of a scene and each light source of the scene into consideration; B, confirming the number of batches which must undergo rendering in accordance with the visibility obtained in the step A; and C, rendering batch number, and rendering the batch number obtained in the step B via a per-pixel lighting method. The step a comprises astep A1, confirming a visibility set by confirming the use of visibility and on the basis of the logic of the set.

The invention relates to a rendering optimization method for region division and a terminal, and the method comprises the steps: dividing a scene into a plurality of unit regions according to the sizeof the scene, and marking a renderable model which does not need to be frequently updated in the scene as a static model; establishing a model batch set corresponding to each unit area, establishinga mapping table in the model batch set, the mapping table taking a material of the static model as a key and taking batch data of each model batch as a value, and the batch data comprising a vertex cache and an index cache of the static model; performing batch combination processing on the static models of the same material, newly building the static models of different materials, then obtaining the position of a virtual camera in the rendering process, determining a unit area where the virtual camera is located according to the position of the virtual camera, and rendering a corresponding model batch according to a mapping table of a model batch set of the unit area. According to the method, during rendering, only the unit area needing to be rendered needs to be determined, all the modelbatches in the model batch set corresponding to the unit area are rendered, and the rendering efficiency is high.

The invention belongs to the field of real-time rendering, and discloses a real-time indirect gloss reflection rendering method for linear transformation spherical distribution, which comprises the following steps of: determining a virtual point light source generation algorithm and improving the virtual point light source generation algorithm; determining the radius of a virtual point light source by defining an importance factor, and randomly rejecting the virtual point light source according to a Russian roulette method; in a global illumination rendering pipeline based on an immediate radiance algorithm, a mathematical thought of linear transformation spherical distribution is adopted, and complex spherical distribution in illumination calculation is linearly transformed into cosine distribution for calculation; a global illumination calculation formula is improved, and a linear transformation matrix and a specific coloring point are decoupled. The method is stable in rendering efficiency, low in system overhead and low in rendering error.

The invention is applicable to the technical field of computers, and provides an information presentation method, which comprises the following steps: acquiring current scene information of a target vehicle; determining a vehicle specification fragment in a vehicle specification database according to the current scene information; and sending the vehicle specification fragment to the target vehicle for presentation. The vehicle specification can be presented to the user timely and accurately, and the efficiency of presenting the vehicle specification to the user can be improved.

The invention discloses a three-dimensional cloud simulation method based on adaptive far field grids. The method comprises steps of firstly, preprocessing WRF data related to cloud, and carrying outpreliminary modeling by use of a particle system; then, using a sliding method, through particle concentration, acquiring area-of-interest of a modeling space; adaptively generating an optimal far-field grid structure and applying the far-field grid structure into a simulation space; and finally, keeping particles on far-field grid lines, thereby achieving three-dimensional cloud chart drawing. According to the invention, based on the WRF weather data, modeling is performed; by combining the adaptive far-field grid structure, rendering efficiency of the cloud chart is improved; a three-dimensional cloud chart is drawn and a three-dimensional cloud scene in the weather data is vividly displayed; and the generated cloud chart has more physical meanings.

The invention provides a highlight rendering method and device of a model and electronic equipment. The method comprises the following steps: calculating an initial highlight parameter of a target model through a preset illumination model; acquiring a shape gradient parameter of the target model; wherein the shape gradient parameter represents the relative position between the vertexes of the target model; adjusting the initial highlight parameter based on the shape gradient parameter to obtain a highlight parameter of the target model; and performing highlight rendering on the target model based on the highlight parameters. According to the method, the rendering effect has a certain drawing style while ensuring that the rendering effect of the highlight approximately conforms to the anisotropic law, the effect requirement of an unreal rendering scene is met, and meanwhile, the rendering efficiency of the highlight is also improved.

The invention relates to a Unity-based immersive content rendering improvement method and device and a storage medium, and the method comprises the steps: obtaining related parameters according to the size of an actual scene, creating a camera array, respectively corresponding to the front, left, right and bottom, setting the focal length of a camera according to known parameters, calculating the lens offset parameter of the camera according to the relation between the position of the camera and a corresponding screen, and obtaining a final correct rendering picture. The rendering resolution is consistent with the effective resolution, immersive pictures with higher resolution can be rendered, the details of the finally presented immersive content are ensured, the algorithm is simple and easy to understand, related art workers can conveniently and quickly adjust parameters according to the size of the actual application site of the naked eye 3D immersive digital prototype room, the real-time performance of the naked eye 3D immersive digital prototype room is improved, and the software to adapt the content is configured to the display site. Rendering efficiency is improved, hardware performance requirements are reduced, and cost investment is effectively reduced.

The invention relates to the technical field of research and development testing, and discloses a browser WebGL large-scale scene rendering method, which comprises the following steps: acquiring at least one to-be-rendered object corresponding to target scene data; numbering each object to be rendered, and generating an identifier corresponding to each object to be rendered; based on the identifiers corresponding to the to-be-rendered objects, shielding and removing the to-be-rendered objects to obtain visible objects after shielding and removing; and rendering the visible objects based on WebGL so as to display models corresponding to the visible objects in a display interface. The memory overhead and the cpu utilization rate of the whole software can be reduced, and the overall rendering performance is improved. Therefore, when a user views a large scene, the situation that the browser crashes or is stuck due to the fact that the scene is too complex is avoided, and the user experience of the user when the user views a complex three-dimensional scene is effectively improved.

The invention discloses a method for generating a normal map, and the method comprises the steps: loading a 3D model, and enabling the texture map coordinates of the 3D model to be unfolded and placedon a UV plane; determining the normal color corresponding to each vertex and each edge according to the tangent normal of each vertex and each edge of the 3D model; filling grids on the UV plane according to the vertexes and the edges; and generating a normal map according to the grid and the normal color. According to the method, the normal map can be automatically generated directly according to the 3D model, so that the high-modulus manufacturing and baking time is greatly saved, and the rendering efficiency of the object is greatly improved.

The invention discloses a bulletin board rendering method and a device. The bulletin board rendering method comprises steps of adopting a small convex hull Graham scanning method to construct a polygonoun figure data structure for an original plaster of a bulletin board, and drawing a corresponding bulletin board according to the polygonoun figure data structure when the system is needed to load the plaster of the bulletin board. The invention can greatly reduce the calculating resource expenditure and improves the rendering efficiency.