Surface Plot With Contours - Only plot contours / traces in 3D

Hi everyone,

I have griddata for a surface plot with contours that are displaying bathymetry data. I was wondering if their was a way to turn off the surface plot and only show the contours on the 3d model? My goal is to overlay separate 3D scatter plot data over a contour, so a 2D contour plot doesn’t work.

traces

Thanks in advance for any advice!

I worked out you can remove the surface plot by setting the opacity to 0. This isn’t quite good enough though, as I can’t work out how to only show the projection trace lines :expressionless:

Screenshot from 2021-04-12 13-47-15

I just want the z axis projections showing, so I can plot a 3D scatter plot over the top of contour plot. The goal would then be to show the coordinates and depth values, when I mouse over a 3D scatter point.

Any suggestions would be awesome! Thanks in advance!