![]() ![]() When you upload data to Mango, a projection file (.prj) in Well Known Text (WKT) format is required. WGS84\Lat Long) using a desktop GIS like QGIS. In these rare cases, you will need to convert your data to a standard coordinate system (e.g. In these cases, you may not receive an error message, but the error may manifest itself as an offset between your data and the base data. In most cases, the transformation will work fine, but in a minority of cases the transformation from your coordinate system to our standard may not be supported. This coordinate system is known as WGS84 Pseudo Mercator / Spherical Mercator, or "Web Mercator" for short. In order to overlay your data with basemap data in Mango, we automatically transform your data to a common coordinate system when you upload it. For historical and technical reasons, there are numerous coordinate systems used to define these coordinates. All spatial data contains coordinates that specify where features should be drawn on the earth’s surface.
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