In this week’s module, we worked with Triangular Irregular Network (TIN) And Digital Elevation Model (DEM) 3D map data. I really enjoy learning more about 3D data and how to create different types of 3D models in ArcPro. The DEM in the screen capture above displays the most suitable terrain for new ski runs. The analysis began with a DEM that was converted to TIN to use as an elevation surface to view the model in 3D. We created a series of Factor Maps that included reclassified DEMs to show the most favorable slope, aspect, and elevation on the map. A higher value was assigned to the most suitable data in each factor map. These three reclassified maps were combined using the weighted overlay tool. The symbology and lighting were updated in the final model. The resulting model shows the areas, in white, that would be most favorable for new ski slopes on the mountain.
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