Hi Noobie here and could do with some guidance.

I have a .jpg of an ancient volcano and want to be able to visualise it in 3d.

1. What would be the best method to filter out all the map colours and markings to just leave the contour lines?
2. Are there any 3D programs that could 'lift' the contour lines to the appropriate height and then save the results as a 3D model?

Thanks in advance for any help and suggestions