Converts: It export files to other formats, including TopoJSON, which is required for Shape Map.Simplifies: It simplifies polygons to reduce the number of vertices.Imports: It accepts Shapefiles, GeoJSON, TopoJSON, CSV, and DBF.Our favourite free online tool for simplifying and converting spatial files is Map Shaper, which is super-simple to use. This post on the Power BI Community Forum provides a great example of what can go wrong when you don’t project your spatial files correctly!! ShapeMap accepts the following projections: 1) Equirectangular 2) Mercator 3) Orthographic. Projection: Make sure that your spatial file is projected correctly.So it’s good practice to simplify your spatial file first! File Size: While we haven’t come across any strict file size limits for the Shape Map Power BI visual (please post in the comments below if you know the JSON file size limit), we have experienced problems with files which have very detailed polygons with a lot of vertices. File Type: The spatial file needs to be in JSON format.Explore the territorial evolution of the United States on a map. Color an editable map, fill in the legend, and download it for free. Before we add our custom spatial file into the Shape Map visual in Power BI, we need it make sure it’s in the correct format. Create your own custom historical map of the United States from 1790 to this day.
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