Revision: 47652
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=47652
Author: keir
Date: 2012-06-09 19:22:39 +0000 (Sat, 09 Jun 2012)
Log Message:
-----------
Change libmv's bilinear sampling to assume the same pixel
conventions as Blender. This fixes the preview widget, and
should make tracking slightly more accurate.
Modified Paths:
--------------
branches/soc-2011-tomato/extern/libmv/libmv/image/sample.h
Modified: branches/soc-2011-tomato/extern/libmv/libmv/image/sample.h
===================================================================
--- branches/soc-2011-tomato/extern/libmv/libmv/image/sample.h 2012-06-09
18:58:51 UTC (rev 47651)
+++ branches/soc-2011-tomato/extern/libmv/libmv/image/sample.h 2012-06-09
19:22:39 UTC (rev 47652)
@@ -59,6 +59,10 @@
int x1, y1, x2, y2;
float dx, dy;
+ // Take the upper left corner as integer pixel positions.
+ x -= 0.5;
+ y -= 0.5;
+
LinearInitAxis(y, image.Height(), &y1, &y2, &dy);
LinearInitAxis(x, image.Width(), &x1, &x2, &dx);
@@ -78,6 +82,10 @@
int x1, y1, x2, y2;
float dx, dy;
+ // Take the upper left corner as integer pixel positions.
+ x -= 0.5;
+ y -= 0.5;
+
LinearInitAxis(y, image.Height(), &y1, &y2, &dy);
LinearInitAxis(x, image.Width(), &x1, &x2, &dx);
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