I need to generate a raster looking like a « heatmap » based on a points layer. On this layer, each point represents a nest (bird population study). I need to produce a nest density map (raster) from this layer. I noticed that rasters produced from Heatmaps and Interpolation plugins were somewhat similar, so I'm wondering if there is one plugin specifically recommended for what I need to achieve.
I specifically would like a square-shaped extent (with X,Y mini and X,Y maxi), that Heatmaps plugin does not do (Interpolation does). I would like this extent to be colored for zero values. One more thing: I don't have any attribute to be taken into account in my nests layer (Interpolation plugin asks for such an attribute to rely upon).
Then, I don't really get the difference between the two plugins.