revit模型渲染流程

[ytsysjy]

我尝试把revit模型的顶点、索引、面的法线、轮廓线等数据提取出来在opengl中重绘模型，出现如下问题

1.轮廓线效果很差

2.平行光分辨不出顶面和测面

我想了解Revit的模型渲染流程

[jeremytammik · Accepted solution]

Question:

Revit model rendering process

I tried to extract the vertices, indexes, normals, contours, etc. of the Revit model and redraw the model in OpenGL.

The following problems occurred.

1. The contour is very poor
2. Parallel light cannot distinguish the top surface and the measuring surface

I want to understand Revit's model rendering process.

Answer: 

The easiest way to retrieve the Revit model data for rendering is to use a custom exporter:

Here are some related discussions and examples:

https://thebuildingcoder.typepad.com/blog/about-the-author.html#5.1