Remote Sensing tips and tricks

3D DEMs on the web

I’ve discovered an easy way to render DEMs in 3D online using GitHub. GitHub can host and render 3D models. You can upload a 3D model and view it via your GitHub account online. You can also embed the viewer into a webpage, like this:

You will need to get your DEMs into stl format. To do this, I exported my DEM into a point cloud x,y,z text file. I then loaded this into the freely available MeshLab, created a surface from the points and exported it to stl format. Detailed instructions can be found here on how to do this.

Here’s another one:

DISCLAIMER: I’ve found sometimes the models don’t load with slow internet connections. If it doesn’t work first time, try reloading.

Spot an error raise a ticket