From 56c818af30b542a95ba4f3722b0be03d719b1036 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Tue, 21 Jun 2011 04:39:18 +0000
Subject: [PATCH] fix [#27691] PLY importer does not support float based vertex
colors
---
io_mesh_ply/import_ply.py | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/io_mesh_ply/import_ply.py b/io_mesh_ply/import_ply.py
index 0f1789d98..1ec4c0735 100644
--- a/io_mesh_ply/import_ply.py
+++ b/io_mesh_ply/import_ply.py
@@ -199,6 +199,8 @@ def read(filepath):
obj = obj_spec.load(format_specs[format], file)
+ file.close()
+
return obj_spec, obj
@@ -217,19 +219,24 @@ def load_ply(filepath):
return
uvindices = colindices = None
+ colmultiply = None
+
# noindices = None # Ignore normals
for el in obj_spec.specs:
if el.name == b'vertex':
- vindices = vindices_x, vindices_y, vindices_z = (el.index(b'x'), el.index(b'y'), el.index(b'z'))
+ vindices = vindices_x, vindices_y, vindices_z = el.index(b'x'), el.index(b'y'), el.index(b'z')
# noindices = (el.index('nx'), el.index('ny'), el.index('nz'))
# if -1 in noindices: noindices = None
uvindices = (el.index(b's'), el.index(b't'))
if -1 in uvindices:
uvindices = None
- colindices = (el.index(b'red'), el.index(b'green'), el.index(b'blue'))
+ colindices = el.index(b'red'), el.index(b'green'), el.index(b'blue')
if -1 in colindices:
colindices = None
+ else: # if not a float assume uchar
+ colmultiply = [1.0 if el.properties[i].numeric_type in ('f', 'd') else (1.0 / 256.0) for i in colindices]
+
elif el.name == b'face':
findex = el.index(b'vertex_indices')
@@ -242,7 +249,10 @@ def load_ply(filepath):
if uvindices:
mesh_uvs.append([(vertices[index][uvindices[0]], 1.0 - vertices[index][uvindices[1]]) for index in indices])
if colindices:
- mesh_colors.append([(vertices[index][colindices[0]] / 255.0, vertices[index][colindices[1]] / 255.0, vertices[index][colindices[2]] / 255.0) for index in indices])
+ mesh_colors.append([(vertices[index][colindices[0]] * colmultiply[0],
+ vertices[index][colindices[1]] * colmultiply[1],
+ vertices[index][colindices[2]] * colmultiply[2],
+ ) for index in indices])
if uvindices or colindices:
# If we have Cols or UVs then we need to check the face order.
--
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