Alteia 5.2 release note: Change the way you look at things with a Change Map

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We’re starting 2020 with improved features to track your team’s progress. Here’s a roundup of what has changed on the Alteia this month.

Change Map

We’re making tracking changes over time even easier with our new change map. Now you can compute the difference between two DSM surveys and observe what has changed in terms of cut & fill volume.

Select between two maps and click on the “Change Map” in the base layers section. You’ll see a raster image representing the height difference between your two DSMs, with the red representing the cut, and blue representing the fill. A slider on the right allows you to filter  height differences between the DSMs. You can also use an annotation point to extract and compare all raster values under the point.

Please note that this feature supports data from actual surveys to monitor real progress, rather than comparing a design surface for what the ideal progress would be.

A few other notable improvements

We’ve also been hard at work to ensure your experience is as smooth as possible:

  • Connection with ArcGIS: For security reasons, the connection between the two platforms would log out after 30 minutes. We’ve made it easier to log back in after your token has expired.
  • We’ve made a few security updates, ensuring we’re at the highest level of the OWASP standard.
  • We’ve fixed a bug which now removes any problems with GCP layers which were uploaded to the platform before May 2019.
  • We’ve improved what is possible by using Metashape as the photogrammetry engine, so you can do things that were only previously available in Pix4D. You can align Point Cloud Library and Mesh in 3D by using the offset notion. The orthomosaic band name is now configured, meaning it is possible to order a Visible Atmospherically Resistant Index (VARI).

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