Kernel Density Estimation
grid_gridding
ParameterVector|POINTS|Points|0|False
ParameterTableField|POPULATION|Weight|POINTS
ParameterNumber|RADIUS|Radius|None|None|10
ParameterSelection|KERNEL|Kernel|[0] quartic kernel;[1] gaussian kernel
ParameterSelection|TARGET|Target Grid|[0] user defined
Extent USER_XMIN USER_XMAX USER_YMIN USER_YMAX
ParameterNumber|USER_SIZE|Cellsize|None|None|1.0
OutputRaster|USER_GRID|Grid
