Latest Contributions by DanPatterson_Retired

Did they all use the same cell size and analysis extent? ... View more

within the help file code there is one salient line from arcpy.sa import * was that included in your failed script?  Otherwise you may have to checkoutExtension if you aren't using an ArcInfo license ... View more

Is the mosaic projected so that the x, y and z values have the same units?  If not, mosaic, project the dem, then hillshade.  You may have to exaggerate the z factor if the elevation difference isn't very much relative to the x/y extent ... View more

The dissolve is working in the x/y direction and not what you want which is individual x/y/z's ... View more

this line will fail env.workspace = "C:\Backup Files\Backup Files\GISPROJECTS\Python_Practice" either use double backslashes, a single foreslash or append an r to the beginning of the path ... View more

enclose your code in the Code block symbol in the html editor (ie #) This line will fail env.workspace = "D:\pomme de terre 2\pomme de terre2.gdb" since you have to use raw notation env.workspace = r"D:\pomme de terre 2\pomme de terre2.gdb" or double backslashes or single foreslashes in python ie  env.workspace = "D:\\pomme de terre 2\\pomme de terre2.gdb" may the spud be with you ... View more

because of floating point representation ... View more

Jason, did you try a simple try except block try:   import arcpy as gp   gp_version = 10.0 except:   import arcgisscripting as gp   gp_version = 9.3 then you can do if gp_version == 10.0:   #do the arcpy stuff else:   #do the arcgiscripting stuff ... View more

do a web search on floating point representation .  There is nothing you can do about it ... View more

Nice!  Going up on the lab wall tomorrow! ... View more

Did you explicitly set the cell size and extent within the Environments tab while creating the ASCII file? ... View more

The table doesn't get refreshed.  Run scripts etc, then open the table, don't expect updates unless you are using the field calculator directly. ... View more

I suspect that you didn't specify that the properties for that parameter are "obtained from" your input feature class.  Check your parameter properties. ... View more

Have you examined the online help on editing tasks and procedures? http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//001v00000002000000.htm ... View more