update getPSF in tools

tools/getPSF.py

@@ -43,11 +43,15 @@ with open(config_filename, "r") as stream:
 
 # Setup Chip
 chip = Chip(chipID=chipID, config=config)
+print('chip.bound::', chip.bound.xmin, chip.bound.xmax, chip.bound.ymin, chip.bound.ymax)
 
 for iobj in range(nobj):
     print("\nget psf for iobj-", iobj, '\t', 'bandpass:', end=" ", flush=True)
-    # Setup Position
+    # Setup Position on focalplane
     x, y = imgPos[iobj, :] # try get the PSF at some location (1234, 1234) on the chip
+    x = x+chip.bound.xmin
+    y = y+chip.bound.ymin
+
     pos_img = galsim.PositionD(x, y)
     
     # Setup sub-bandpass