CN105654538A - Map data reconstruction processing system used for 3D model and processing method thereof - Google Patents
Map data reconstruction processing system used for 3D model and processing method thereof Download PDFInfo
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- CN105654538A CN105654538A CN201510975785.9A CN201510975785A CN105654538A CN 105654538 A CN105654538 A CN 105654538A CN 201510975785 A CN201510975785 A CN 201510975785A CN 105654538 A CN105654538 A CN 105654538A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The invention provides a map data reconstruction processing system used for a 3D model. The map data reconstruction processing system comprises a model import module which imports a model to be processed, a slice processing module which is connected with the model import module and performs scan slice processing of which the scan line passes through all map vertexes on the model to be processed, a slice dissecting module which is connected with the slice processing module and performs dissecting processing on the model slices processed by the slice processing module, a slice map drawing module which is connected with the slice dissecting module and reads the RGB value of the map from one scan point to another based on the slices and writes the RGB value in a new map image and calculates new map UV coordinates when scanning to the vertexes, a model updating module which is connected with the slice map drawing module and updates the model according to the map result drawn by the slice map drawing module, and a model output module which is connected with the model updating module and outputs the updated module. The invention also discloses a map data reconstruction processing method used for the 3D model.
Description
Technical field
The present invention relates to 3D models treated field, particularly relate to a kind of pinup picture data reconstruction processing system for 3D model and treatment process.
Background technology
In 3D model rendering, object is made up of 3 dimension triangle surfaces, and hardware GPU carries out playing up and calculating based on each triangle surface. Therefore, triangle surface is more many, and GPU needs the amount calculated more big. So efficiency height during in order to ensure 3D model rendering, frame number height, it is desirable to reduce triangle surface quantity. In 3D virtual technology, generate algorithm owing to there is various pinup picture, cause the UV information (i.e. mapping coordinates information) in the face sheet setpoint information of 3D model and discontinuous. 3D model is subtracted in the calculating of face, face effect is subtracted in order to improve more, need the mapping coordinates of guarantee face sheet continuous, but prior art does not have fine ways of addressing this issue, cause many times after subtracting face calculating, causing model deformation distortion because lost a lot of faces sheet vertex data, affecting rendering effect.
Summary of the invention
In order to solve the problem, the present invention provides a kind of and ensures that vertex data does not occur obviously to lose thus ensures that face sheet mapping coordinates continuous print is for the pinup picture data reconstruction processing system of 3D model and treatment process.
A kind of pinup picture data reconstruction processing system for 3D model of the present invention, the described pinup picture data reconstruction processing system for 3D model comprises the model importing pending model and imports module, what import with described model that module is connected carries out the slicing treatment module that the scan slice of sweep trace through all pinup picture summits process to described pending model, module is analysed in the section that the model slice after described slicing treatment resume module is analysed process that is connected with described slicing treatment module, carrying out based on cutting into slices of analysing with described section that module is connected is read pinup picture rgb value by scanning spot and writes the section pinup picture drafting module calculating new pinup picture UV coordinate in new pinup picture picture and when scanning summit, the model modification module of the pinup picture result Renewal model being connected with described section pinup picture drafting module and draw according to described section pinup picture drafting module, the model output module of the model after the output renewal being connected with described model modification module.
A kind of pinup picture data reconstruction processing method for 3D model of the present invention, it is characterised in that, described pinup picture data reconstruction processing method realizes with the use of the pinup picture data reconstruction processing system for 3D model, comprises the steps:
S1, imported module by model in the described pinup picture data reconstruction processing system for 3D model and import pending model, enter step s2;
S2, by the slicing treatment module in the described pinup picture data reconstruction processing system for 3D model in described step s1 import pending model carry out sweep trace through all pinup picture summits scan slice process, enter step s3;
S3, analyse module by the section in the described pinup picture data reconstruction processing system for 3D model the model slice in described step s2 is analysed analyzing and processing, enter step s4;
S4, carry out section pinup picture drawing modification in described step s3 through the section analysing process by the section pinup picture drafting module in the described pinup picture data reconstruction processing system for 3D model, obtain new pinup picture data and pinup picture UV coordinate, enter step s5;
S5, utilize the new pinup picture data obtained in described step s4 and pinup picture UV coordinate renew model by the model modification module in the described pinup picture data reconstruction processing system for 3D model, enter step s6;
S6, export the model after upgrading by model output module in the described pinup picture data reconstruction processing system for 3D model.
Adopt the present invention that model carries out pinup picture data reconstruct, integrity and the continuity of vertex data and face sheet coordinate can be still ensured after 3D model subtracts face, ensure and the information of these discontinuous changes still can keep complete after subtracting face, ensure the high emulation reduction degree of 3D model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the normal mipmap reconstruction treatment system for 3D model of the present invention;
Fig. 2 is the normal mipmap reconstruction process flow schematic diagram for 3D model of the present invention.
Embodiment
For a better understanding of the present invention, below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, a kind of pinup picture data reconstruction processing system for 3D model, the described pinup picture data reconstruction processing system for 3D model comprises the model importing pending model and imports module, what import with described model that module is connected carries out the slicing treatment module that the scan slice of sweep trace through all pinup picture summits process to described pending model, module is analysed in the section that the model slice after described slicing treatment resume module is analysed process that is connected with described slicing treatment module, carrying out based on cutting into slices of analysing with described section that module is connected is read pinup picture rgb value by scanning spot and writes the section pinup picture drafting module calculating new pinup picture UV coordinate in new pinup picture picture and when scanning summit, the model modification module of the pinup picture result Renewal model being connected with described section pinup picture drafting module and draw according to described section pinup picture drafting module, the model output module of the model after the output renewal being connected with described model modification module.
Preferably, described slicing treatment module, taking the overall dimension on x, y, z three latitudes of pending model as axis, second largest is of a size of tangential, has sweep trace to carry out scan slice through treating transaction module as standard taking all summits.
Preferably, described section is analysed module and is analysed by the scan slice through described section resume module, cuts into slices ring-type with the direction cutting of tangent line positive vector; Repeatedly cutting is carried out for multiple section.
Preferably, described section pinup picture drafting module carries out pointwise scanning pinup picture rgb value along the standard that scan slice is not lost to ensure all summits and writes in new pinup picture picture, when scanning former summit, calculates new pinup picture UV coordinate.
Preferably, described model modification module processes the new pinup picture picture obtained and pinup picture UV coordinate renew model with described section pinup picture drafting module.
As shown in Figure 2, a kind of pinup picture data reconstruction processing method for 3D model of the present invention, it is characterised in that, described pinup picture data reconstruction processing method realizes with the use of the pinup picture data reconstruction processing system for 3D model, comprises the steps:
S1, imported module by model in the described pinup picture data reconstruction processing system for 3D model and import pending model, enter step s2;
S2, by the slicing treatment module in the described pinup picture data reconstruction processing system for 3D model in described step s1 import pending model carry out sweep trace through all pinup picture summits scan slice process, enter step s3;
S3, analyse module by the section in the described pinup picture data reconstruction processing system for 3D model the model slice in described step s2 is analysed analyzing and processing, enter step s4;
S4, carry out section pinup picture drawing modification in described step s3 through the section analysing process by the section pinup picture drafting module in the described pinup picture data reconstruction processing system for 3D model, obtain new pinup picture data and pinup picture UV coordinate, enter step s5;
S5, utilize the new pinup picture data obtained in described step s4 and pinup picture UV coordinate renew model by the model modification module in the described pinup picture data reconstruction processing system for 3D model, enter step s6;
S6, export the model after upgrading by model output module in the described pinup picture data reconstruction processing system for 3D model.
Preferably, by described slicing treatment module taking the overall dimension on x, y, z three latitudes of pending model as axis, second largest it is of a size of tangential, has taking all summits sweep trace to carry out scan slice through treating transaction module as standard.
Preferably, analyse module by described section and the scan slice through described slicing treatment resume module is analysed, ring-type is cut into slices with the direction cutting of tangent line positive vector; Repeatedly cutting is then carried out for multiple section.
Preferably, carry out pointwise by described section pinup picture drafting module along the standard that scan slice is not lost to ensure all summits and scan pinup picture rgb value and write in new pinup picture picture, when scanning former summit, calculate new pinup picture UV coordinate.
Preferably, by described model modification module with the described section pinup picture drafting module new pinup picture picture that obtains of process and pinup picture UV coordinate renew model.
Adopt the present invention that model carries out pinup picture data reconstruct, integrity and the continuity of vertex data and face sheet coordinate can be still ensured after 3D model subtracts face, ensure and the information of these discontinuous changes still can keep complete after subtracting face, ensure the high emulation reduction degree of 3D model.
The above; it is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; any it is familiar with those skilled in the art in the technical scope of present disclosure; technical scheme and invention design thereof according to the present invention are equal to replacement or are changed, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. the pinup picture data reconstruction processing system for 3D model, it is characterized in that, the described pinup picture data reconstruction processing system for 3D model comprises the model importing pending model and imports module, what import with described model that module is connected carries out the slicing treatment module that the scan slice of sweep trace through all pinup picture summits process to described pending model, module is analysed in the section that the model slice after described slicing treatment resume module is analysed process that is connected with described slicing treatment module, carrying out based on cutting into slices of analysing with described section that module is connected is read pinup picture rgb value by scanning spot and writes the section pinup picture drafting module calculating new pinup picture UV coordinate in new pinup picture picture and when scanning summit, the model modification module of the pinup picture result Renewal model being connected with described section pinup picture drafting module and draw according to described section pinup picture drafting module, the model output module of the model after the output renewal being connected with described model modification module.
2. the pinup picture data reconstruction processing system for 3D model according to claim 1, it is characterized in that, described slicing treatment module is taking the overall dimension on x, y, z three latitudes of pending model as axis, second largest it is of a size of tangential, has taking all summits sweep trace to carry out scan slice through treating transaction module as standard.
3. the pinup picture data reconstruction processing system for 3D model according to claim 2, it is characterised in that, described section is analysed module and is analysed by the scan slice through described section resume module, cuts into slices ring-type with the direction cutting of tangent line positive vector; Repeatedly cutting is carried out for multiple section.
4. the pinup picture data reconstruction processing system for 3D model according to claim 1, it is characterized in that, described section pinup picture drafting module carries out pointwise scanning pinup picture rgb value along the standard that scan slice is not lost to ensure all summits and writes in new pinup picture picture, when scanning former summit, calculate new pinup picture UV coordinate.
5. the pinup picture data reconstruction processing system for 3D model according to claim 4, it is characterised in that, described model modification module processes the new pinup picture picture obtained and pinup picture UV coordinate renew model with described section pinup picture drafting module.
6. the pinup picture data reconstruction processing method for 3D model, it is characterised in that, described pinup picture data reconstruction processing method realizes with the use of the pinup picture data reconstruction processing system for 3D model, comprises the steps:
S1, imported module by model in the described pinup picture data reconstruction processing system for 3D model and import pending model, enter step s2;
S2, by the slicing treatment module in the described pinup picture data reconstruction processing system for 3D model in described step s1 import pending model carry out sweep trace through all pinup picture summits scan slice process, enter step s3;
S3, analyse module by the section in the described pinup picture data reconstruction processing system for 3D model the model slice in described step s2 is analysed analyzing and processing, enter step s4;
S4, carry out section pinup picture drawing modification in described step s3 through the section analysing process by the section pinup picture drafting module in the described pinup picture data reconstruction processing system for 3D model, obtain new pinup picture data and pinup picture UV coordinate, enter step s5;
S5, utilize the new pinup picture data obtained in described step s4 and pinup picture UV coordinate renew model by the model modification module in the described pinup picture data reconstruction processing system for 3D model, enter step s6;
S6, export the model after upgrading by model output module in the described pinup picture data reconstruction processing system for 3D model.
7. the pinup picture data reconstruction processing method for 3D model according to claim 6, it is characterized in that, by described slicing treatment module taking the overall dimension on x, y, z three latitudes of pending model as axis, second largest it is of a size of tangential, has taking all summits sweep trace to carry out scan slice through treating transaction module as standard.
8. the pinup picture data reconstruction processing system for 3D model according to claim 7, it is characterized in that, analyse module by described section to be analysed by the scan slice through described slicing treatment resume module, ring-type is cut into slices with the direction cutting of tangent line positive vector; Repeatedly cutting is then carried out for multiple section.
9. the pinup picture data reconstruction processing system for 3D model according to claim 6, it is characterized in that, carry out pointwise by described section pinup picture drafting module along the standard that scan slice is not lost to ensure all summits to scan pinup picture rgb value and write in new pinup picture picture, when scanning former summit, calculate new pinup picture UV coordinate.
10. the pinup picture data reconstruction processing system for 3D model according to claim 9, it is characterised in that, by described model modification module with the described section pinup picture drafting module new pinup picture picture that obtains of process and pinup picture UV coordinate renew model.
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Cited By (4)
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| CN106530400A (en) * | 2016-10-21 | 2017-03-22 | 南京理工大学紫金学院 | Interactive virtual campus roaming system based on intelligent wearing device |
| TWI644081B (en) * | 2017-12-01 | 2018-12-11 | 台灣國際航電股份有限公司 | Method for partially updating parametric editing 3d city model |
| CN109005399A (en) * | 2018-05-03 | 2018-12-14 | 成都光魔科技有限公司 | A kind of 3D data encryption, compression method and a kind of medical information interactive system |
| TWI647656B (en) * | 2016-09-29 | 2019-01-11 | 北京奇藝世紀科技有限公司 | Method and device for mapping on spherical panoramic image |
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| CN104361624A (en) * | 2014-11-20 | 2015-02-18 | 南京大学 | Method for rendering global illumination in computer three-dimensional model |
| CN104966312A (en) * | 2014-06-10 | 2015-10-07 | 腾讯科技（深圳）有限公司 | Method for rendering 3D model, apparatus for rendering 3D model and terminal equipment |
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| US20050285872A1 (en) * | 2004-06-23 | 2005-12-29 | Microsoft Corporation | System and process for optimal texture map reconstruction from multiple views |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI647656B (en) * | 2016-09-29 | 2019-01-11 | 北京奇藝世紀科技有限公司 | Method and device for mapping on spherical panoramic image |
| US10789672B2 (en) | 2016-09-29 | 2020-09-29 | Beijing Qiyi Century Science & Technology Co., Ltd. | Method and device for performing mapping on spherical panoramic image |
| CN106530400A (en) * | 2016-10-21 | 2017-03-22 | 南京理工大学紫金学院 | Interactive virtual campus roaming system based on intelligent wearing device |
| TWI644081B (en) * | 2017-12-01 | 2018-12-11 | 台灣國際航電股份有限公司 | Method for partially updating parametric editing 3d city model |
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