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A rendering method and terminal

A technology of target objects and target positions, applied in the field of rendering methods and terminals, and can solve problems such as inapplicability

Active Publication Date: 2021-06-01
福建省天奕网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional decal technology has its own obvious technical defects and does not have wide applicability

Method used

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  • A rendering method and terminal
  • A rendering method and terminal
  • A rendering method and terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] A rendering method provided by the present invention includes the following steps:

[0087] S0: Obtain a 3D model of the target object through a preset camera; the camera is relatively stationary to the target object;

[0088] S1: Calculate and obtain first position information of the target object in the world coordinate system according to the three-dimensional model; the target object includes a target area, and the first position information includes position coordinates of a plurality of coordinate points;

[0089] S2: Obtain an expanded view corresponding to the target object according to the three-dimensional model; each pixel in the expanded view has a corresponding relationship with a coordinate point of the target object;

[0090] S3: Create a texture map;

[0091] S4: According to the corresponding relationship between the pixel points in the expanded image and the coordinate points of the target object, record the position coordinates of the corresponding c...

Embodiment 2

[0114] A rendering terminal provided by the present invention includes a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the program, the following steps are implemented:

[0115] S0: Obtain a 3D model of the target object through a preset camera; the camera is relatively stationary to the target object;

[0116] S1: Calculate and obtain first position information of the target object in the world coordinate system according to the three-dimensional model; the target object includes a target area, and the first position information includes position coordinates of a plurality of coordinate points;

[0117] S2: Obtain an expanded view corresponding to the target object according to the three-dimensional model; each pixel in the expanded view has a corresponding relationship with a coordinate point of the target object;

[0118] S3: Create a texture map;

[0119] S4: According to the corresponding relat...

Embodiment 3

[0142] 1. Create a texture map to store position information, and bind a camera to the target object that needs to be decaled to record the position information of the target object in the world coordinate system; the camera and the target object are relatively stationary.

[0143] 2. First record the original material information of the target object, and then give the full exhibition UV material, and use the camera to record the target object, render to the specified texture to store the vertex world position information, after the rendering is completed, the original material information Re-empowers the target object.

[0144] 3. Obtain the target position information in the world coordinate system of the area where the decal is located on the target object (target area); calculate the normal line information of the target area, and calculate through the first disclosure, the second formula and the third formula in the first embodiment Get the basis vectors. Pass the base ...

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Abstract

The present invention provides a rendering method and a terminal, the method comprising the following steps: acquiring target position information of a target area on a target object in a world coordinate system; calculating normal line information of the target area according to the target position information ; Calculate the normal transformation matrix of the target area through the normal information, and calculate the basis vector of the UV space according to the normal transformation matrix; calculate the UV coordinate information according to the target position information and the basis vector; The UV coordinate information is rendered in the UV image corresponding to the target object. The present invention solves the problem that the phenomenon of lifting and truncation will occur when the target area is rendered in UV space.

Description

technical field [0001] The present invention relates to the technical field of rendering, in particular to a rendering method and a terminal. Background technique [0002] In 3D modeling, it is often observed by users, and the display priority is high, and the modeler often allocates a higher texture mapping (UV) space to it, but it is difficult for some users to see, and the display priority is low. Area modelers tend to allocate less space for texture mapping (UV) when modeling. This modeling method is not only conducive to improving the efficiency of computer rendering, but also conducive to improving the performance of computer rendering and drawing pictures. However, this modeling method often leads to discontinuity in the texture mapping space of the model, which greatly increases the difficulty of decal calculation. [0003] In order to ensure the quality of decals, the traditional texture stitching technology requires the modeler to ensure that the texture mapping ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T15/04G06T7/70
CPCG06T15/04G06T7/70
Inventor 刘德建高山晓陈宏展
Owner 福建省天奕网络科技有限公司
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