Inquiry regarding exporting Pemittivity and conductiviy maps

[Zohaib Akbar Khan]

Hi Team
Once gprMax creat the .vti file, it can be visulize in paraview, but if i want to extract the same topography or map with pre-assigned model properteies, so is there nayway to extract them ?
like can i extract the perm, cond spatial distributed data from the .vti file? or anyother way to extract it?
thanks
regards

[Craig Warren]

You could use #geometry_objects_write to export to HDF5 and then read the 'solid' array - https://docs.gprmax.com/en/latest/input.html#geometry-objects-write This will give you an array of integers which can be 'looked up' against your list of materials to see the permittivity and conductivity. gprMax purposing does not store material properties for every cell - it uses a lookup table which is more memory efficient.

Kind regards,

Craig

[Zohaib Akbar Khan]

Thanks Craig,
I have used this  #geometry_objects_write to get eh h5 for overall subsurface and also for the indiviual material too, but that values are wiered, like for low conducitivty like 0.0001 it shows the 7 value and similarly for high resisitivty 0.1 it gives the 35, so what factors it incorporated while creating this file? in short, mainly i am confused that how can i get the exact same values of perm and conduc from this file, do we have to use the replace option in excel to change the values as per the guess? becasue there is not specific formula about these values?
thanks