CN113487747B - Model processing method, device, terminal and storage medium - Google Patents
Model processing method, device, terminal and storage medium Download PDFInfo
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- 238000003672 processing method Methods 0.000 title claims abstract description 35
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- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 20
- 238000009877 rendering Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 11
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T2210/00—Indexing scheme for image generation or computer graphics
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/36—Level of detail
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
- G06T2219/20—Indexing scheme for editing of 3D models
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Abstract
The invention discloses a model processing method, a device, a terminal and a storage medium, wherein the method comprises the following steps: obtaining a model to be processed; receiving a first operation instruction through a blender application software, and modifying the shader attribute of the model to be processed into a background according to the first operation instruction to generate a target model; and importing the target model into a service scene. According to the model processing method provided by the invention, the shader attribute of the model is modified into the background through the blender and then is imported into the service scene, the background node in the blender is specially used for rendering the background material except the object in the manufacturer, when the background shader is used for a common object, the background material is not influenced by other lights and is maintained at a constant rendering value, so that the effect that the model is not influenced by lights in the scene is realized.
Description
Technical Field
The present invention relates to the field of live-action maps, and in particular, to a method and apparatus for processing a model, a terminal, and a storage medium.
Background
Various 3D fine model data are required to be imported into a webgis system of smart city business, for example, a corresponding marked building model is required in a city scene, so that support of 3D model data is required, parameters are required to be modified after the 3D model is imported to realize a required visual effect, common diffuse reflection or metal surface color simulation materials are used on the model in the existing scheme, the actual diffuse reflection effect is simulated by lighting effect in the scene on the model materials, and the presented model state is very real. However, when some map effects of science fiction style are produced, a real diffuse reflection effect is not needed, but a visual effect which is not influenced by any scene light, namely, a light-free effect is needed, and no realization method for realizing the light-free effect of the model in a business scene is available in the prior art.
Accordingly, there is a need for improvement and advancement in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a model processing method, a device, a terminal and a storage medium, which aim to solve the problem that no implementation method capable of realizing the effect of no light receiving of a model in a service scene exists in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect of the present invention, there is provided a model processing method, the method comprising:
obtaining a model to be processed;
receiving a first operation instruction through a blender application software, and modifying the shader attribute of the model to be processed into a background according to the first operation instruction to generate a target model;
and importing the target model into a service scene.
The model processing method, wherein the obtaining the model to be processed includes:
and receiving a modeling operation instruction through a blender application software to draw the model to be processed.
The model processing method, wherein before the generating the target model, the method further comprises:
and receiving a second operation instruction through a blender application software, modifying the material setting attribute of the model to be processed into Alpha mixture according to the second operation instruction, and modifying the transparency of the model to be processed.
The model processing method, wherein before the generating the target model, the method further comprises:
and receiving a third operation instruction through a blender application software, and modifying the picture texture attribute of the model to be processed into a background according to the third operation instruction.
The model processing method, wherein the importing the target model into the service scene includes:
deriving the target model from the blender application software in gltf format;
and loading the target model into a business scene of the webgis system through a gltf loader.
The method for processing the model, wherein before the target model is loaded into the service scene of the webgis system by the gltf loader, the method further comprises:
preparing a gltf loader file;
the gltf loader file is imported into the model loader file of the webgis system.
The method for processing the model, wherein the loading the target model into the business scene of the webgis system by the gltf loader comprises the following steps:
and setting loading parameters of the target model in the model loader file, and loading the target model into the service scene through the model loader file.
In a second aspect of the present invention, there is provided a model processing apparatus comprising:
the device comprises a to-be-processed model acquisition module, a processing module and a processing module, wherein the to-be-processed model acquisition module is used for acquiring a to-be-processed model;
the target model generation module is used for receiving a first operation instruction through Blender application software, modifying the shader attribute of the model to be processed into a background according to the first operation instruction and generating a target model;
and the importing module is used for importing the target model into a business scene.
In a third aspect of the present invention, there is provided a terminal comprising a processor, a computer readable storage medium communicatively coupled to the processor, the computer readable storage medium being adapted to store a plurality of operating instructions, the processor being adapted to invoke the operating instructions in the computer readable storage medium to perform the steps of implementing the model processing method of any of the above.
In a fourth aspect of the present invention, there is provided a computer-readable storage medium storing one or more programs executable by one or more processors to implement the steps of the model processing method of any one of the above.
Compared with the prior art, the invention provides a model processing method, a device, a terminal and a storage medium, wherein the model processing method modifies the attribute of a model's shader into a background through a blender and then leads the background into a service scene, a background node in the blender is specially used for rendering background materials except objects in factories, and when the background shader is used for common objects, the background shader is not influenced by other lights and is maintained at a constant rendering value, so that the effect that the model is not influenced by lights in the scene is realized.
Drawings
FIG. 1 is a flow chart of an embodiment of a model processing method provided by the present invention;
FIG. 2 is a schematic node function diagram of Blender application software in an embodiment of the model processing method provided by the present invention;
FIG. 3 is a schematic diagram showing modification of model shader attributes according to an embodiment of the model processing method provided by the present invention;
FIG. 4 is a second schematic diagram of modifying properties of a model shader according to an embodiment of the model processing method provided by the present invention;
FIG. 5 is a schematic diagram showing a modification of transparency of a model according to an embodiment of the model processing method provided by the present invention;
FIG. 6 is a second schematic diagram for modifying transparency of a model according to an embodiment of the model processing method provided by the present invention;
FIG. 7 is a schematic diagram illustrating modification of texture properties of a picture according to an embodiment of a model processing method provided by the present invention;
FIG. 8 is a schematic diagram of deriving a target model in an embodiment of a model processing method provided by the present invention;
fig. 9 is a schematic diagram showing an effect of a model in a service scenario in an embodiment of the model processing method provided by the present invention;
fig. 10 is a schematic diagram showing an effect of a model in a service scenario in an embodiment of the model processing method provided by the present invention;
FIG. 11 is a schematic diagram of an embodiment of a model processing device according to the present invention;
fig. 12 is a schematic diagram of an embodiment of a terminal provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more specific, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The model processing method provided by the invention can be executed by a terminal, wherein the terminal comprises, but is not limited to, various computers, mobile phones, tablet computers, wearable devices and the like.
Example 1
As shown in fig. 1, in one embodiment of the model processing method, the method includes the steps of:
s100, acquiring a model to be processed.
The to-be-processed model may be obtained by drawing through three-dimensional modeling software, specifically, in this embodiment, drawing the to-be-processed model through blender, that is, the obtaining the to-be-processed model includes:
and receiving a modeling operation instruction through a blender application software to draw the model to be processed.
Specifically, the user can click a menu option of the application software through a mouse or a keyboard to use a shortcut key of the application software to realize inputting an operation instruction, when the model to be processed is generated, the user inputs a modeling operation instruction, and after receiving the modeling operation instruction, the terminal draws the model to be processed according to the modeling operation instruction.
S200, receiving a first operation instruction through a blunder application software, and modifying the attribute of the shader of the model to be processed into a background according to the first operation instruction to generate a target model.
After the model to be processed is obtained, the model to be processed is processed in a blender application software, and blender is open-source cross-platform all-round three-dimensional animation production software, has the capability of directly exporting a gltf format model with very high compatibility at a web end, and provides good stable material output. When the model to be processed is drawn through the blender, the model to be processed can be directly opened in the blender, and when the model to be processed is not drawn through the blender, the model to be processed can be opened through the blender after format conversion processing is carried out on the model to be processed.
The blender provides node functions for setting model materials and textures, if complex materials and textures are to be realized, the node functions are needed to be used, as shown in fig. 2, the left side of each node is used as input, the right side is used as output, the mutual influence among the nodes progresses, the latter is influenced, the final desired effect is finally obtained, and the node can realize complex material effects. In this embodiment, the setting of the non-light-receiving material is implemented through a "background" node, specifically, as shown in fig. 3 and fig. 4, a user may open a shader option in a shader and select the "background" node to issue the first operation instruction, so as to implement modification of the shader attribute of the model to be processed into the background. The "background" node is used only for the output of the world surface, that is, the node is specially used for rendering background materials except objects in the scene, but when the background shader is used for common objects, the background shader has the effect of not being affected by other lights, so that the background is not affected by any other lights, and the background is always kept at a constant infectious value. The shader node of the model to be processed is changed into a background node, so that the material of the target model is a non-light-receiving material, and the non-light-receiving effect is realized after the shader node is imported into a service scene.
Background nodes, although not supporting diffuse reflection or color rendering of metal surfaces, but supporting changes in transparency, in one possible implementation, in order to adjust the display effect of the model to be processed, before generating the target model, the model processing method provided in this embodiment further includes the steps of:
and receiving a second operation instruction through a blender application software, modifying the material setting attribute of the model to be processed into Alpha mixture according to the second operation instruction, and modifying the transparency of the model to be processed.
As shown in fig. 5 and fig. 6, if the transparency of the model to be processed is to be adjusted, the mixing mode in the material setting may be changed to Alpha mixing, specifically, after the mixing mode in the material setting is modified to Alpha mixing in the blender, the transparency of the model to be processed may be correspondingly changed by adjusting the value of a in the rgba parameter in the color. It should be noted that, at present, the transparency of the model to be processed is modified according to the second operation instruction only used in the blender2.82 and the blender2.83, and other versions are not applicable, so if the light-free effect of the semitransparent model needs to be achieved, one of the two versions of blender2.82 and blender2.83 needs to be used.
In another possible implementation manner, in addition to setting the shader as the background node, as shown in fig. 7, the addition of texture of the picture material may be performed, so that the texture of the set picture also becomes not light-receiving, that is, before the generating the target model, the steps further include:
and receiving a third operation instruction through a blender application software, and modifying the picture texture attribute of the model to be processed into a background according to the third operation instruction.
And after the model to be processed is processed through the blender, generating a target model, namely, the target model is the model to be processed after the attribute parameters are changed. Referring to fig. 1 again, the model processing method provided in this embodiment further includes the steps of:
s300, importing the target model into a service scene.
Specifically, the importing the target model into a service scene includes the steps of:
s310, the target model is exported from Blender application software in a gltf format;
s320, loading the target model into a business scene of the webgis system through a gltf loader.
The gltf format has high compatibility at the web end, the model to be processed is processed through a blender, and after the target model is obtained, the target model is derived from the blender in the gltf format, as shown in fig. 8.
After the target model in the gltf format is obtained, a file in the gltf format needs to be loaded through a gltfoader in thread, and in order to realize that the target model is loaded into a business scene of a webgis system, the gltfoader needs to be embedded into a model loader file of a gis system, so that the target model in the gltf format is loaded into the gis system. Specifically, before the target model is loaded into the service scene of the webgis system by the gltf loader, the model processing method provided in this embodiment further includes the steps of:
preparing a gltf loader file;
the gltf loader file is imported into the model loader file of the webgis system.
The gltf loader file may be downloaded in a thread. Js official network, in particular, the thread. Js official provides the gltf loader file, and the three. Gltfloader () is introduced into the model loader file of the gis system in combination with the case code in the file of the official network download document, so that the loading of the target model in the gltf format by the model loader of the gis system can be achieved.
Specifically, the loading the target model into the service scene of the webgis system by the gltf loader includes:
and setting loading parameters of the target model in the model loader file, and loading the target model into the service scene through the model loader file.
After the gltf loader file is introduced into the model loader file of the webgis system, relevant loading parameters, such as model position, size, height, etc., need to be introduced before the target model is loaded, supporting that the target model can be successfully introduced into the scene.
As shown in fig. 9, the target model (the right model in fig. 9) with the shader attribute modified as the background and the model which is not processed by the method for realizing the light effect (the left model in fig. 9) are imported into the scene, when the white scene lamp is not used, the left model has the diffuse reflection effect, and after the white scene lamp is added, the left model becomes full white after receiving the irradiation of the white scene and the like, and the right model remains unchanged and is not influenced by the irradiation, as shown in fig. 10.
In summary, the present embodiment provides a model processing method, in which the shader attribute of the model is modified into the background by the shader and then led into the service scene, and the background node in the shader is specially used for rendering the background material except the object in the manufacturer, when the background shader is used for the common object, the background shader is not affected by other lights and is maintained at a constant rendering value, so as to realize the model non-light receiving effect in the scene.
It should be understood that, although the steps in the flowcharts shown in the drawings of the present specification are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least a portion of the steps in the flowcharts may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order in which the sub-steps or stages are performed is not necessarily sequential, and may be performed in turn or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by operating hardware associated with instructions by a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
Example two
Based on the above embodiment, the present invention further provides a model processing device, as shown in fig. 11, where the model processing device includes:
the to-be-processed model acquisition module is used for acquiring a to-be-processed model, and is specifically described in the first embodiment;
the target model generation module is used for receiving a first operation instruction through Blender application software, modifying the shader attribute of the model to be processed into a background according to the first operation instruction, and generating a target model, and the target model is specifically described in the first embodiment;
and the importing module is used for importing the target model into a business scene, and is specifically described in the first embodiment.
Example III
Based on the above embodiment, the present invention also provides a terminal correspondingly, as shown in fig. 12, which includes a processor 10 and a memory 20. Fig. 12 shows only some of the components of the terminal, but it should be understood that not all of the illustrated components are required to be implemented and that more or fewer components may alternatively be implemented.
The memory 20 may in some embodiments be an internal storage unit of the terminal, such as a hard disk or a memory of the terminal. The memory 20 may in other embodiments also be an external storage device of the terminal, such as a plug-in hard disk provided on the terminal, a Smart Media Card (SMC), a secure digital (SecureDigital, SD) Card, a Flash memory Card (Flash Card) or the like. Further, the memory 20 may also include both an internal storage unit and an external storage device of the terminal. The memory 20 is used for storing application software and various data installed in the terminal. The memory 20 may also be used to temporarily store data that has been output or is to be output. In one embodiment, the memory 20 has stored thereon a model handler 30, the model handler 30 being executable by the processor 10 to implement the model handling method of the present application.
The processor 10 may in some embodiments be a central processing unit (Central Processing Unit, CPU), microprocessor or other chip for executing program code or processing data stored in the memory 20, e.g. performing the model processing method or the like.
In one embodiment, the following steps are implemented when the processor 10 executes the model handler 30 in the memory 20:
obtaining a model to be processed;
receiving a first operation instruction through a blender application software, and modifying the shader attribute of the model to be processed into a background according to the first operation instruction to generate a target model;
and importing the target model into a service scene.
The obtaining the model to be processed includes:
and receiving a modeling operation instruction through a blender application software to draw the model to be processed.
Wherein, before the generating the target model, the method further comprises:
and receiving a second operation instruction through a blender application software, modifying the material setting attribute of the model to be processed into Alpha mixture according to the second operation instruction, and modifying the transparency of the model to be processed.
Wherein, before the generating the target model, the method further comprises:
and receiving a third operation instruction through a blender application software, and modifying the picture texture attribute of the model to be processed into a background according to the third operation instruction.
The importing the target model into the service scene comprises the following steps:
deriving the target model from the blender application software in gltf format;
and loading the target model into a business scene of the webgis system through a gltf loader.
Before the target model is loaded into the service scene of the webgis system by the gltf loader, the method further comprises:
preparing a gltf loader file;
the gltf loader file is imported into the model loader file of the webgis system.
The loading the target model into the business scene of the webgis system by the gltf loader comprises the following steps:
and setting loading parameters of the target model in the model loader file, and loading the target model into the service scene through the model loader file.
Example IV
The present invention also provides a computer-readable storage medium in which one or more programs are stored, the one or more programs being executable by one or more processors to implement the steps of the model processing method as described above.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A method of model processing, the method comprising:
obtaining a model to be processed;
receiving a first operation instruction through a blender application software, and modifying the shader attribute of the model to be processed into a background according to the first operation instruction to generate a target model;
before the generating the target model, the method further comprises:
receiving a second operation instruction through a blender application software, modifying the material setting attribute of the model to be processed into Alpha mixture according to the second operation instruction, and modifying the transparency of the model to be processed;
receiving a third operation instruction through a blender application software, and modifying the picture texture attribute of the model to be processed into a background according to the third operation instruction;
and importing the target model into a service scene.
2. The model processing method according to claim 1, wherein the acquiring the model to be processed includes:
and receiving a modeling operation instruction through a blender application software to draw the model to be processed.
3. The method for model processing according to claim 1, wherein importing the target model into a business scenario comprises:
deriving the target model from the blender application software in gltf format;
and loading the target model into a business scene of the webgis system through a gltf loader.
4. A method of model processing according to claim 3, wherein before loading the object model into a business scenario of a webgis system by a gltf loader, the method further comprises:
preparing a gltf loader file;
the gltf loader file is imported into the model loader file of the webgis system.
5. The method according to claim 4, wherein loading the object model into a business scenario of a webgis system by a gltf loader comprises:
and setting loading parameters of the target model in the model loader file, and loading the target model into the service scene through the model loader file.
6. A model processing apparatus, comprising:
the device comprises a to-be-processed model acquisition module, a processing module and a processing module, wherein the to-be-processed model acquisition module is used for acquiring a to-be-processed model;
the target model generation module is used for receiving a first operation instruction through Blender application software, modifying the shader attribute of the model to be processed into a background according to the first operation instruction and generating a target model;
prior to the generation of the object model,
receiving a second operation instruction through a blender application software, modifying the material setting attribute of the model to be processed into Alpha mixture according to the second operation instruction, and modifying the transparency of the model to be processed;
receiving a third operation instruction through a blender application software, and modifying the picture texture attribute of the model to be processed into a background according to the third operation instruction;
and the importing module is used for importing the target model into a business scene.
7. A terminal, the terminal comprising: a processor, a computer readable storage medium communicatively coupled to the processor, the computer readable storage medium adapted to store a plurality of operational instructions, the processor adapted to invoke the operational instructions in the computer readable storage medium to perform the steps of implementing the model processing method of any of the above claims 1-5.
8. A computer readable storage medium storing one or more programs executable by one or more processors to implement the steps of the model processing method of any of claims 1-5.
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