Changeset 3387 for trunk/stac/src/stacTransform.c

Timestamp:

Mar 7, 2005, 6:03:09 PM (21 years ago)

Author:

Paul Price

Message:

Fixed half-pixel problem. Reassessed default parameters.

File:

• trunk/stac/src/stacTransform.c (modified) (2 diffs)

trunk/stac/src/stacTransform.c

@@ -190 +190 @@
         for (int y = 0; y < ny; y++) {
             for (int x = 0; x < nx; x++) {
-
                 // Only transform those pixels requested
                 if (!region || (region && region->data.U8[y][x])) {
@@ -199 +198 @@
                     
                     // Change PS_INTERPOLATE_BILINEAR to best available technique.
-                    outImage->data.F32[y][x] = (psF32)psImagePixelInterpolate(image, detector->x + 0.5,
-                                                                              detector->y + 0.5, mask, 1, 0.0,
+                    outImage->data.F32[y][x] = (psF32)psImagePixelInterpolate(image, detector->x,
+                                                                              detector->y, mask, 1, 0.0,
                                                                               PS_INTERPOLATE_BILINEAR);
                     // Error is actually the variance
                     outError->data.F32[y][x] = (psF32)p_psImageErrorInterpolateBILINEAR_F32(error,
-                                                                                            detector->x + 0.5,
-                                                                                            detector->y + 0.5,
+                                                                                            detector->x,
+                                                                                            detector->y,
                                                                                             mask, 1, 0.0);
                 } // Pixels of interest