From 960c07f5b5a359530ea189231f8b8472413b356d Mon Sep 17 00:00:00 2001
From: Jim Miller <millerjv@ge.com>
Date: Mon, 23 Sep 2019 07:30:14 -0400
Subject: [PATCH] Avoid creating degenerate geometry

Instruct trimesh to NOT merge vertices when loading PLY file. Trimesh's attempt to "clean up" a mesh results in meshes with degenerate geometry.
---
 FullTextureMapper.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/FullTextureMapper.py b/FullTextureMapper.py
index cc6be9d..eeb825e 100644
--- a/FullTextureMapper.py
+++ b/FullTextureMapper.py
@@ -222,7 +222,7 @@ def __init__(self, ply_path, aoi_filename, recon_path,
         self.reconstruction = Reconstruction(aoi_filename, recon_path,
                                              use_skewed_images)
 
-        self.tmesh = trimesh.load(ply_path)
+        self.tmesh = trimesh.load(ply_path, process=False)  # don't merge vertices on load
         print('num_vertices: {}'.format(np.shape(self.tmesh.vertices)[0]))
         print('number of facets (excluding singletons): {}'.format(
             np.shape(self.tmesh.facets)[0]))