Read PNGs the right way up (damnit)

git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@78 bf6ca9ba-c028-0410-8290-897cf20841d1

1 files changed, 1 insertions, 1 deletions

diff --git a/src/readpng.c b/src/readpng.c
index 20fc182..14e5fe2 100644
--- a/src/readpng.c
+++ b/src/readpng.c
@@ -133,7 +133,7 @@ int readpng_read(const char *filename, double tilt, ControlContext *ctx) {
 				}
 			}
 			
-			image[x + width*y] = val;
+			image[x + width*(height-1-y)] = val;
 
 		}
 	}