RE: MI VM Slope Analysis

1999-11-30 Thread James Harvie
Peter, In Vertical Mapper the slope for a grid node is calculated by averaging the slopes of the eight triangle faces that are formed from the surrounding nodes. The average is taken so that the resulting slope value is not overly influenced by "flyers" in the dataset. I hope this helps.

Re: MI VM Slope Analysis

1999-11-25 Thread Kirk Wanless
Seems to me that VM is incorrect. In Canada we calculate slope by dividing vertical displacement by horizontal distance. KW [EMAIL PROTECTED] wrote: A question to all you Vertical Mapper experts. When performing a slope analysis it would appear that VM calculates slope (degrees or percent,