Latest Contributions by Luke_Pinner

import os import shutil import string textfile = (r'C:\Offences\state_jul.txt',r'C:\Offences\state_jun.txt') with open(r'C:\ArcReader_Servers.txt', 'r') as fp:     for filepath in fp.readlines():         filepath=filepath.strip() #Strip off the \r\n         print filepath         for filename in textfile:             print filename             shutil.copy2(filename,filepath) ... View more

spud007, Wayne is correct, have a read of the filename in the error message ( filename: 'C:\\\\Offences\\\\data\r\n').  Also, next time you post code, please use [noparse] [/noparse] tags, read this if you're not sure how. if this line textfile = (r'C:\Offences\state_jul.txt',r'C:\Offences\state_jun.txt') is supposed to be a list, then it must be enclosed in square brackets textfile = [r'C:\Offences\state_jul.txt',r'C:\Offences\state_jun.txt'] No, parentheses are fine.  (r'C:\Offences\state_jul.txt',r'C:\Offences\state_jun.txt') is a tuple which is a sequence type similar to lists, but is immutable (can't be modified once created). ... View more

This page suggests to use the free GeoViewer tool. ... View more

If the .sid rasters are Generation 4 you may need to upgrade to 10.1 or install the Lizardtech plugin. ... View more

I had thought that the "MINOF" command was meant to set as the minimum of all inputs in a workspace, it's not very clear on the help. No MINOF tells ArcPy to set the output extent to the minimum extent of input datasets when running a geoprocessing operation, not all datasets in a workspace. If you wanted to run a raster calculation, setting arcpy.env.extent = "MINOF" would make arcpy perform the calculation only on the area where the extents of the input rasters overlap.  If you printed arcpy.env.extent, you'd still get "MINOF", but if you described the output raster and printed its extent you'd see the actual minimum extent. If your question is answered, can you click the check mark to the right of the best answer. ... View more

Use the Lookup (Spatial Analyst) tool. ... View more

Sorry, I can't get it to fail.  One suggestion is to open a new ArcMap window, add only the "Mosaic" raster to the TOC then run the raster calculator tool again (by entering all the parameters freshly not by rerunning results from previous sessions). For future reference, instead of screen grabs, you can copy the result messages as text by right clicking the "Message" entry in the result tree and selecting "Copy". ... View more

Your expression works fine for me in ArcGIS 10.1. What is the filepath of your output raster? I can replicate the "ERROR 000539: Error running expression: rcexec()" exception if I try to write out to a grid with non alphanumeric characters in the filepath. Can you post the full error message, i.e: ERROR 000539: Error running expression: rcexec() Traceback (most recent call last):   File "<expression>", line 1, in <module>   File "<string>", line 8, in rcexec RuntimeError: ERROR 010240: Could not save raster dataset to C:\WorkSpace\test folder\test* with output format GRID. ... View more

I should add, all my testing is in the standalone IDE, not within the ArcMap python window. Which standalone IDE?  Note that pythonwin uses the same python interpreter process for the IDE and for debugging.  It's possible that any feature class locks created on the first run of a script will not get cleared (as the python process hasn't been restarted and the arcpy module is still in memory) causing subsequent runs of the script to fail.  I moved from pythonwin to pyscripter a few years ago as it supports remote dubugging and the remote python interpreter is reinitialised before each run of the script. ... View more

It is reading the variable correctly (gridMin is equal to 0) but it seems like it doesnt know it is a number That's because it isn't a number. The getOutput method returns a unicode string, see the help for the result object. Cast your gridMax/Min variables to float before using them and the map algebra expression will work. >>> type(gridMax) <type 'unicode'> >>> gridMax = float(gridMaxResult.getOutput(0)) >>> gridMin = float(gridMinResult.getOutput(0)) ... View more

Use 'Mosaic to New Raster'. Make sure Pixel Type is set to 32_BIT_FLOAT. If you get a 'dark piece of junk', don't worry, the data is correct, you just need to calculate statistics so ArcMap can stretch it for display. ... View more