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in this video I would like to share about how to make Curved Lines of Origin - Destination Links in ArcGIS Pro. These sequences will be very useful for you who looking for a way to perform certain mapping task such as route planning, flight mapping or any similar application. Curved lines actually are easy to generate. You can use geodesic approach or tools available in QGIS or ArcGIS to do this. However, geodesic approach usually only works best for very large area (continental level). So, this workflow is dedicated for smaller area (such as country or states/provincial/prefectural level).

How to generate Service Area Polygon / Isochrones from network data such as streets and canals/rivers in QGIS. Use Cartesian/Projected Coordinate System for the best result!. Projected CRS will also make the band/treshold setting is easier because we are using familiar map unit such as meters or feet instead of angles.  Service area can be generated based on length, speed, or time travel.