On 15/11/2010 20:14, Becky Kern wrote:
Hi users,
Found a solution to my Raster to ASCII conversion problem, so I thought
I'd post.
My raster was created in ArcGIS 9.3 as an ESRI GRID (folder with
associated info folder). I needed to use the ListRasters method (see
http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?id=958&pid=905&topicname=ListRasters_method
<http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?id=958&pid=905&topicname=ListRasters_method>)
to
get Python to recognize it as a raster. My functioning code is posted below.
>>import arcgisscripting
>>gp = arcgisscripting.create(9.3)
>>gp.workspace = "C:\Users\Lab
User\Desktop\BKern\Blackwater\PVA\Scenario 1\Nov 15"
>>rasters = gp.ListRasters("","ALL")
>>for raster in rasters: print raster
...
scen1_11_15
>>InRaster = "scen1_11_15"
>>OutasciiFile = "C:\Users\Lab
User\Desktop\BKern\Blackwater\PVA\Scenario 1\Nov 15\scen1.asc"
>>gp.RasterToASCII_conversion(InRaster, OutasciiFile)
Be careful when using string literals containing backslashes. It's
recommended that you use raw strings:
gp.workspace = r"C:\Users\Lab
User\Desktop\BKern\Blackwater\PVA\Scenario 1\Nov 15"
OutasciiFile = r"C:\Users\Lab
User\Desktop\BKern\Blackwater\PVA\Scenario 1\Nov 15\scen1.asc"
You were lucky that none of the backslashes started an escape sequence.
If you were using Python 3 then it would've complained about \U and \N.
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