This tool allows you to generate flow maps for use in Geo-Surface Explorer or Designer from your own data. To generate valid flow maps you must have:

• Elevation data in GeoTIFF format (e.g. from drone or interpolated from point shapefile)
• GeoTIFF must be using EPSG:3857 (WGS84 / Pseudo-Mercator) Coordinate Reference System
• GeoTIFF should be less than 15MB (resample to a larger pixel resolution for very large drone images)

Once you upload your geotiff, the processing tool will generate a KML flow map file. Download this file, then import it into Geo-Surface Explorer or Designer using the Import KML Flow button.