def _GetBoundingBoxCells(self):
""" Get three GpGridPoint corners of a Bounding Box for distanceMeters from a center point.
The corner points are set to the MaxSearchResolution
"""
centerGpPoint = self.CenterGpPoint
degreesOffset = GpMath.distanceMetersToDegrees(centerGpPoint, self.SearchBoundaryMeters)
# Get bounding corner points
swCornerF = GpPoint(centerGpPoint.lat - degreesOffset.lat, \
centerGpPoint.lon - degreesOffset.lon)
self.SWCornerGridPoint = GpGridPoint()
self.SWCornerGridPoint.InitFromGpPoint(swCornerF, self.MaxSearchResolution)
nwCornerF = GpPoint(centerGpPoint.lat + degreesOffset.lat, \
centerGpPoint.lon - degreesOffset.lon)
self.NWCornerGridPoint = GpGridPoint()
self.NWCornerGridPoint.InitFromGpPoint(nwCornerF,self.MaxSearchResolution)
seCornerF = GpPoint(centerGpPoint.lat - degreesOffset.lat, \
centerGpPoint.lon + degreesOffset.lon)
self.SECornerGridPoint = GpGridPoint()
self.SECornerGridPoint.InitFromGpPoint(seCornerF,self.MaxSearchResolution)
