03_visualization

Visualizing Simplified Intrinsic Triangulations

This is an example to show how to visualize an intrinsically simplified mesh. To run this example, please compile it using the common cmake/make routine:

cd 03_visualization/
mkdir build
cd build
cmake ..
make -j8

Once compiled, one can run the example by typing

./main

and you will see colorful intrinsic triangles bending across the surface of your mesh.

Again, we should emphasize that the visualization of these intrinsic triangles is not isometric, meaning the length of the curved edges that you see on the mesh is not necessarily the same as the actual intrinsic edge length in the simplified mesh.

Usage

You can simplify meshes by running the ./main executable. By default, this simplifies the provided spot.obj mesh down to 500 vertices. You can also specify a mesh and target coarseness as input by running

./main /path/to/mesh.obj nVertices

The input mesh must be a manifold and connected obj file with UV coordinates.

The script takes a variety of arguments.

flag	purpose
--area_weight=0	Influence of vertex area on coarsening. 0: none, while 1: pure area weighting. (default=0)
--texture_width=2048	Texture width in pixels. Generated textures are always square (default=2048)
--texture_path=texture.png	File to save the texture to. The texture will be saved as a png. If not set, the texture is not saved
--help, -h	Display help

File formats

Textures are saved as png images.