NRDS

- QGIS - an open source gis program you can download it <a href="https://qgis.org/en/site/" rel="nofollow noopener noreferrer" target="_blank">here</a>

- Your imagery or your map that is already georefrenced

In this example we will take a tiff file download from aerial imagery processed using mapsmadeeasy. But you can use any georeferenced file. You can even style your own maps.

3. Re-project it to web mercator (3857)

Follow these instructions to get imagery into the app

<a href="http://help.nrds.io/en/articles/3307756-adding-custom-imagery-to-the-nrds-aina-mobile-app">http://help.nrds.io/en/articles/3307756-adding-custom-imagery-to-the-nrds-aina-mobile-app</a>

Here is a way to take an existing map or imagery and prepare it to import the the NRDS Aina App using free open source tools

Preparing Custom Imagery For NRDS

Natural Resource Data Solutions

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What you will need

Steps

Follow these instructions to get imagery into the app

http://help.nrds.io/en/articles/3307756-adding-custom-imagery-to-the-nrds-aina-mobile-app