bugfix in geozero and warning fix in imageMath (#318)

* imageMath: fix numpy deprecation warn

* geozero: bugfix for missing lookSide

applications/imageMath.py

@@ -415,7 +415,7 @@ def main(args, files):
     outBands = iMath['outBands']
 
     ####Array representing columns
-    dataDict['COL'] = np.arange(iMath['width'], dtype=np.float)
+    dataDict['COL'] = np.arange(iMath['width'], dtype=np.float32)
 
     #####Replace ^ by **
     for lineno in range(int(iMath['length'])):

components/zerodop/geozero/Geozero.py

@@ -233,7 +233,8 @@ class Geocode(Component):
                            self.demCropAccessor,
                            self.geoAccessor,inband,
                            outband,int(complexFlag),
-                           int(self.interp_methods[self.method]))
+                           int(self.interp_methods[self.method]),
+                           int(self.lookSide))
 
         #####Supress cropped DEM output for other bands
         for kk in range(1,nBands):