This snapshot has breaklines (surveyed in purple) that defines pavement edges. There are some breaklines that define some slope changes and wetland areas but very few. The purple random points within the pavement areas will not be used in the building of this DTM in InRoads SS2. I need to create an existing DTM from this data. I have imported my breaklines in purple and random points in red. The problem is this DTM is so large that my computer's memory has just about shut down my computer. The Lidar data was generated from Aerial and the breaklines were surveyed. This is a very congested interchange making conventional survey methods impossible. As you see the red random points are a huge overkill and I cannot waste any time deleting them. Breaklines should be used in these areas but are not. The area has a very congested interchange and thus the aerial Lidar data was used. You can actually make out the lidar data in red looks like contours. I have tried the InRoads utilities to thin the surface with not great results. How can I reduce the size of the file and still hold some sort of accuracy. The pavement edges are very good after removing the lidar data and just using the breaklines.
Thanks, Joe
