topic Re: calculating the distance polygon to polygon in ArcGIS Spatial Analyst Questions

calculating the distance polygon to polygon

EzgiTok — Wed, 08 Feb 2012 07:32:06 GMT

Hi,

l have a vector format of classified image of landsat tm. I am trying to calculate the distances, cell to nearest polygon edge in Arcmap 9.2.

actually, l want to measure the distances from agricultural cells to industry, urban, road etc polygons. road and hydro layers are different.

l added a jpeg for illustration

after this process i want to give a value for every cell according to the distances to the parameters
l hope l am doing it in a right way 🙂

Does anyone have any suggestions?

Thanks for your time,

Ezgi,

Re: calculating the distance polygon to polygon

JeffreySwain — Fri, 10 Feb 2012 10:55:19 GMT

As long as you have ArcInfo at 9.2, you should be able to use the Near Tool for the analysis. For your description you should probably split out the vector file by the different layers you are trying to determine the distance. So one polygon layer will have agriculture, urban, or grass etc.

In terms of assigning a value to each cell, you could perhaps convert the polygon to a raster again and use the value for the distance created from the Near tool.

Re: calculating the distance polygon to polygon

AnnaFischer1 — Mon, 20 Feb 2012 15:53:46 GMT

Another option would be to use the Generate Near Table tool. The output of this tool is a table listing the distance from each feature in one feature class to the features of another. You could then join this table to your cell feature class.

Re: calculating the distance polygon to polygon

EzgiTok — Sat, 25 Feb 2012 07:43:25 GMT

thank you very much