Latest Contributions by DanPatterson_Retired

It has nothing to do with the actual number of people...but the number of people per unit area If you have 1000 people in 1 square km, then the density would be 1000 per sq km BUT if your area were 0.1 sq km, then your density would be 10,000 per sq km so if you want to convert from density to the number of observations, you multiply by the area where the people are found in...I hope you are making too much of this... ... View more

in python the backslash is used as a literal...meaning if you want a backslash you have to preceed the backslash you want with another one (check python documentation), so the expression I gave you means "replace the backslash with a forward slash" ... View more

That is the number... ie 88,000 would be the number of observation per unit area..if your areal units are in square kilometers, then it would be 88,000 people per sq km (or square miles, or square whatevers) ... View more

if you are using the Point Density tool or any other density tool, the units are in number of observations per unit area ... View more

"c:\temp1" must be written in raw format r"c:\temp1" with double backslashes "c:\\temp1" or with forward slashes "c:/temp1" of course this assumes you have a folder of this name in the first place ... View more

Your problem has not been clarified since your last post  You will have to provide details as to how you are ascribing costs to the surface and to the paths themselves and where some sample origins and destinations are. ... View more

I suspect that the data are in wgs84, did you follow the steps as outlined here ... View more

You should indicate the format of your point data to facilitate further guidance.  There may be some pre-existing tools that will help with the reading of the data, for example, the Add XY data tool and the Create Feature Class tool.  These can either be used manually within ArcMap or their associated code can be incorporated in a script to facilitate automation ... View more

It is possible through arcpy and the polygon class.  The example at the bottom of the link provides such an example.  Your task will be to read the features in as triplets and then save the results, however, you don't indicate your level of familiarity with programming in python or arcpy in general. ... View more

Try running it on a local machine rather than on a server...you can always move the results over after...it could be a server issue ... View more

Apparently you can't unless you can program in a right-click (can't find anything anywhere, except *.ovr files can also be created, but I don't know if you can check for them) ... View more

There is a profile tool in the 3D analyst Extension ... View more

Do you mean the functionality provided by the Go Too Tool ? ... View more