Added classes for plotting fields (gravity, displacement, InSAR, etc). Only tested gravity field, still need to expand class structure for multiple fields.
Added classes for plotting fields (gravity, displacement, InSAR, etc). Only tested gravity field, still need to expand class structure for multiple fields.

kwschultz/vq,markyoder/vq,kwschultz/vq,kwschultz/vq,markyoder/vq,markyoder/vq