0
votes
1answer
21 views

How to resolve ERROR 010271: Raster does not have an attribute table?

From my code which builds least-cost paths between several polygons by using the functions "CostDistance" and "CostPath" of ArcGIS , I obtain this error message: ExecuteError: ERROR 010271: Raster ...
2
votes
1answer
104 views

How to find least-cost paths including tunnels (where slopes are too steep)?

I'm currently working on a road path finding project for a motorway in ArcGIS 10. One criterion is obviously the slope angle. What I would like to do is to create a new cost surface which finds ...
0
votes
0answers
49 views

How specify a corridor minwidth?

I’m trying to make a corridor between two substations with ArcGIS, a macro corridor and a micro corridor. I have two questions in this respect and would be grateful for your suggestions. a) How can ...
2
votes
2answers
209 views

Finding distance (in time) from nearest point out of 4 along a road network

I have four points representing harbors along the coast. I also have a roads layer that has info on each road segment such as length, speed limit, and travel time. I calculated travel time with ...
2
votes
1answer
210 views

Connect points along bathymetry contours

I have a table with start and end point data in each row and need to convert them into lines, but I would like something other than a straight segment. Ideally, I want to connect the points via a ...
16
votes
3answers
678 views

Dealing with bridges and tunnels when modeling raster least cost paths?

I'm currently using ArcGIS 10 Spatial Analyst's Cost Path tool to model pedestrian routes. I have sidewalks, fences, buildings and a ton of pedestrian scale features, all combined into a cost surface ...