Changeset 35563 for trunk/pswarp/src/pswarpTransformTile.c

Timestamp:

May 9, 2013, 12:26:48 PM (13 years ago)

Author:

eugene

Message:

major upgrades to pswarp to enable skycell warp -> chip

File:

• trunk/pswarp/src/pswarpTransformTile.c (modified) (3 diffs)

trunk/pswarp/src/pswarpTransformTile.c

@@ -89 +89 @@
 
     for (int y = yMin; y < yMax; y++) {
+
+      int yOut = y - outRow0; ///< Position on output image
+
         for (int x = xMin; x < xMax; x++) {
             // Only transform those pixels requested
@@ -94 +97 @@
                 continue;
             }
+
+            int xOut = x - outCol0;
+
+            // XXX the existing image may already have valid data -- probably should keep 
+            // the best, but for the moment, just keep the pixel which is not NAN
+            if (isfinite(outImageData[yOut][xOut])) continue;
+
             // pswarpMapApply converts the output coordinate (x,y) to the input coordinate.
             // both are in the parent frames of the input and output images.
@@ -127 +137 @@
             }
 
-            int xOut = x - outCol0, yOut = y - outRow0; ///< Position on output image
-
             if (outImageData) {
-                outImageData[yOut][xOut] = imageValue * jacobian;
+              // XXX TEST outImageData[yOut][xOut] = value;
+              outImageData[yOut][xOut] = imageValue * jacobian;
             }
             if (outVarData) {