Binary Mesh Format

The binary mesh format is a very simple format the plugin uses for loading and saving meshes. The library, binarymeshformat is available at pypi, and can be installed through pip.

pip install binarymeshformat

It’s recommended you use a virtual environment, or other environment management.

Opening mesh files with python.

import binarymeshformat as bmf

tracks = bmf.loadTracks("sample.bmf");

Rendering meshes in VEDO

If you install VEDO Then this will show a window with 1 frame worth of meshes. When the window is close the next frame will appear.

#!/usr/bin/env python

import binarymeshformat as bmf
import vedo.mesh
import vedo

import sys

def getVedoMesh( bmfmesh ):
	points = [];
	triangles = []
	p = bmfmesh.positions
	t = bmfmesh.triangles
	
	for i in range( len(bmfmesh.positions)//3):
		point = [ p[3*i], p[3*i+1], p[3*i+2] ]
		points.append(point)
	for i in range( len(bmfmesh.triangles) // 3 ):
		triangle = [ t[i*3] , t[i*3+1], t[i*3 + 2] ]
		triangles.append( triangle );
	
	return vedo.mesh.Mesh( [ points, triangles ] )
		
def showMeshes( bmf_meshes ):
	x = []
	index = 0
	for bmesh in bmf_meshes:
		vmesh = getVedoMesh( bmesh )
		vmesh.color(index).lineColor('black')
		x.append(vmesh)
		index += 1
	vedo.show(x).close();

	
if __name__ == "__main__":
	tracks = bmf.loadMeshTracks(sys.argv[1])
	print("loaded %s tracks"%len(tracks) )
	
	frames = set()
	
	for track in tracks:
		for k in track.meshes:
			frames.add(k)
	
	for frame in frames:
		to_see = [ track.meshes[frame] for track in tracks if frame in track.meshes.keys() ]
		showMeshes(to_see)