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py_tools/mangleFitsToPly.py

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+#!/usr/bin/env python
+
+# takes a fits verion of a mangle file and removes unobserved sectors
+# converts a mangle FITS file to a .ply file
+
+import numpy as np
+import os
+import sys
+import pylab as plt
+import pyfits as py
+
+maskFile = os.getenv("HOME")+"/workspace/Voids/catalogs/boss/boss_geometry_2011_06_10.fits"
+outFile = os.getenv("HOME")+"/workspace/Voids/catalogs/boss/boss_mask.ply"
+
+hdulist = py.open(maskFile)
+maskData = hdulist[1].data
+hdulist.close()
+
+fp = open(len(maskData), 'w')
+fp.write(str(numKeep) + " polygons\n")
+fp.write("pixelization 6s\n")
+fp.write("snapped\n")
+fp.write("balkanized\n")
+iKeep = 0
+for i in xrange(len(maskData)):
+  fp.write("polygon %22d ( %d caps, %20.7f weight, %d pixel, %20.16f str):\n" %
+             (iKeep, 
+              maskData.field('NCAPS')[i], 
+              maskData.field('WEIGHT')[i], 
+              maskData.field('PIXEL')[i], 
+              maskData.field('STR')[i] ))
+
+  ncaps = maskData.field('NCAPS')[i]
+  for iCap in xrange(ncaps):
+    fp.write("%24.20f %24.20f %24.20f %24.20f\n" % 
+               (maskData.field('XCAPS')[i][iCap][0], 
+                maskData.field('XCAPS')[i][iCap][1], 
+                maskData.field('XCAPS')[i][iCap][2], 
+                maskData.field('CMCAPS')[i][iCap]))
+  iKeep += 1
+
+fp.close()