Anthony, I'll try to answer your questions one at a time. I'm still a bit confused on the Largest Infra size tho. Do you just measure vertical with a building or horizontal? Answer: You should measure the smallest side of the largest man-made infrastructure in the model. Also once you create a terrain model how do you change the contour lines? Meaning if it's default is a contour line every 1 foot then how do I change that to every inch for example? Answer: Select the Scalable Terrain Model and open the "Properties" dialog. In the dialog's top pane, navigate to: Elements > Scalable Terrain Model > Calculted Features > Contours. Select the "Contours" node, in the properties area, fields named "Major interval" and "Minot Interval" are available to change the contour spacing. Last question is how did you get the information? Did you read it from somewhere? Tutorial? Last Answer ;) : I'm a Product Engineer on the team that develops Descartes. I got the information straight from the source. We will look for ways to create material to better explain this. And I lied....this is the last question What is Max. Triangle Edge? Does it effect the ground and created classification? Answer: When the TIN is refined, the triangles become smaller and smaller. Max triangle Edge is a parameter that is used to stop the iteration. When a triangle's edge is smaller than this value, it is no longer refined. Classification on the other end is controlled by the "Threshold" value. All points that are between the refined TIN's surface and this value are classified as ground. Thanks for your feedback, Pascal
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