compute_homography

利用IDataGraph等接口对三维图形进行坡度分析，通视分析等(IDataGraph use three-dimensional graphics and other interfaces slope analysis, through visual analysis)

说明：  3d 地形渲染DEMO lod 采用lod技术　多层渲染(3d terrain rendering using DEMO lod multi-lod rendering technology)

说明：  revit导出obj格式，生成三个文件output.obj,output.mtl,output.att，分别为几何、材质和属性(Revit exports obj format and generates three files output.obj , output.mtl , output.att , geometry, material, and properties)

说明：  本方法采用pca进行特征提取，knn分类器进行人脸识别。(The method of feature extraction using pca, knn classifier for face recognition.)

说明：  Retinex算法,实现图像增强，图像质量明显提高。(Retinex Algorithm)

说明：  WPF 三维编程代码示例.适合于WPF编程的初学者。(WPF 3D programming code example)

仿真了均匀线性阵的波束形成，对比了不同加权下的波束形成。可以改变来波方向，效果明显。(Simulation of a uniform linear array beamforming, comparison under different weighting beamforming. You can change the direction of the incoming wave, the effect is obvious.)

说明：  使用c++ 及 OpenGL 显示.obj 加载纹理(show the file .obj and render the texture)

3D打印源码，引擎源码，包括头文件和库文件(3D print source code)

FLAc3D数值模拟软件命令流，煤层工作面开挖模拟(FLAc3D numerical simulation software command stream, seam face excavation simulation)