'I am trying to superimpose a heat map onto a 2D image of a femur

I'm not sure where to start, as I'm pretty green at this. I've completed research finding n=34 lengths found along the femur. I would like to create a graph that represents the intensity of certain lengths and plot it along a superimposed image of a femur. This would ideally look something like what is attached heatmap?contourmap? of bone. Does anyone know where I can start? Thank you



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