Contour in 3D surface projection

[sayede]

Dear all, I want to reproduce a similar chart as the joined figure. Can some one indicate me please how to get contours on projected surface. All the avaiable example are with simple colorized surface. thank you in advance for your help

Adlane

[sayede]

Any one for an advice :-)?

[etienne]

See example here:

• https://plot.ly/~empet/13818/bivariate-gaussian-mixture-and-its-contour-plot/
• https://plot.ly/~empet/13818/bivariate-gaussian-mixture-and-its-contour-plot.js

[sayede]

Thank you a lot étienne