API KEY USE (air quality app)

[German_Skena]

Hi Again Steve.
I already posted...
Here is the link.

Searching extension or routines for drawing Stereoplots or draw into an hemisphere

Hello people of the community. I am looking for info about to (how to draw stereoplots or stereonets with app inventor). This are 3D visualizations of lines or plots into hemispheres. I was searching and i found nothing. What is the purpose? I want to make a free app for drawing structural geological points into this hemi spheres. It's usable for explaining how a plane, line or a dot, is in the 3D space but into a 2D diagram. I don't know how to describe for not earth related scientist... b…

Only 1 user replay me. and i talk with Juan Antonio (from outside the post), because i follow his website too.
I understand this could be a complex app, and i understand the technical issues from the Geology side and by the way that isn't easy, but i FOUND NOTHING from the programming side.