Latest Contributions by DanPatterson_Retired

In some circumstances, given the interpoint spacing of lidar data (often 2 m or less) there is no point in doing an interpolation in the first place and simply converting to a grid produces more than suitable accuracy ... View more

Split layers by attributes http://resources.arcgis.com/gallery/file/geoprocessing/details?entryID=37AEB018-1422-2418-A036-CA6D9920F808 ... View more

For selections to be honored, the layer must be selected as a parameter, not the file on disk.  If you create a tool for use in arctoolbox, then selections will be kept, if you select the file from disk then all features will be used regardless of a selection. ... View more

If those are the points you are trying to do an IDW on, it will never work or even if it does, the results will be meaningless.  Forward your dataset to ESRI for testing. ... View more

Set your workspaces to folders that don't contain spaces, yours do.  Save the work outside of a geodatabase as well for now. ... View more

If you want to code this check out the Layer class within the data driven pages section http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Layer/00s300000008000000/ there is a read/write visible property ... View more

why don't you just rename it outside of arcmap? ... View more

You have to import arcpy before checking out license levels and available extensions. ... View more

Start Pythonwin then type >>> import arcpy then type >>> dir(arcpy) then choose what you want and type >>> help(arcpy.whateverYouWantHelpOn) ... View more

try running it with an ESRI grid in a folder and not a geodatabase ... View more

reinstall pythonwin from your ArcMap installation disk ... View more

If you are indeed using version 10, get rid of the square brackets ( [ ] ), grid names are enclosed in double quotes as shown in the help files http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z000000m8000000.htm Also you want FocalStatistics in order to calculate the focal mean http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z000000qs000000.htm Also all methods are case sensitive as in the case of IsNull ... View more

Also Tom, you have == in the searchcursor line which won't work ... which I see you have now fixed ... View more

the size of the files could be the reason, but make sure that the origin and destination folders don't contain spaces, a common problem with SA functionality ... View more

have you tried appending _sa to all of the spatial analyst tools as you have done with the _management etc tools? ... View more