Changeset 42942 for trunk/Ohana/src/opihi/cmd.astro/region.c

Timestamp:

Nov 12, 2025, 5:00:47 PM (8 months ago)

Author:

eugene

Message:

fixes to cgrid for inverted regions; add features tdhistogram and region; free memory on exit

File:

• trunk/Ohana/src/opihi/cmd.astro/region.c (modified) (2 diffs)

trunk/Ohana/src/opihi/cmd.astro/region.c

@@ -35 +35 @@
     KapaGetImageCoords (kapa, &graphmode.coords);
     KapaGetImageRange (kapa, &graphmode.xmin, &graphmode.xmax, &graphmode.ymax, &graphmode.ymin, &dXpix, &dYpix);
+    // XXX here (xmin,xmax),(ymin,ymax) are ???
+    // below, (xmin,xmax),(ymin,ymax) are set to put 0,0 in the graph center (-dx to +dx)
 
     set_variable ("XMIN", graphmode.xmin);
@@ -40 +42 @@
     set_variable ("YMIN", graphmode.ymin);
     set_variable ("YMAX", graphmode.ymax);
-
+    // XXX Ra,Dec not defined at this point
     set_variable ("RMIN", Ra  + graphmode.xmin);
     set_variable ("RMAX", Ra  + graphmode.xmax);