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Only Last File in Loop is Saving

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01-30-2023 01:07 PM
KatherineMcNulty
New Contributor II

I am working on an ArcGIS code where I am looping through multiple images in a folder. I see the files are looping in the project folder (when each image is processed a temporary file comes up but they disappear after that image's processing is complete) but only the last image in the folder saves. I have the save function written in the code but it doesn't actually save. Previously I was able to get this portion of the code to save multiple folders before I added the rename line, but I need the files to contain the original name. Could someone please help me with what I am missing? My code is below:

 

import arcpy
import os
import glob
from arcpy import env
from arcpy.sa import *

arcpy.CheckOutExtension("Spatial")

env.workspace = r"E:\\GIS\\LoopTest3"
arcpy.env.extent = r"E:\\Quads.shp"
indef_file = "C:\\Users\\kmcnul1\\Desktop\\SnowClassificationScheme2.ecd"

inRasters = glob.glob(r"E:\\LoopImagesTest\\*.tif")

inMaskData = "Quads"
extraction_area = "OUTSIDE"
analysis_extent = "Quads"

 

for inRaster in inRasters:
     outExtractByMask = ExtractByMask(inRaster, inMaskData)
     classifiedraster = ClassifyRaster(outExtractByMask, indef_file)
     classifiedraster.save = (r"E:\\GIS\\LoopTest3")
     newname = inRaster + "CF"
     arcpy.management.Rename(classifiedraster,newname)

 

 

What I want to add after is:

ClassRasts = glob.glob(r"E:\\GIS\\LoopTesLoop3\\*.crf")

for ClassRast in ClassRasts:
     outCellstats = CellStatistics(ClassRast, "SUM")
     outCellstats.save(r"E:\\GIS\\LoopTest3")

     arcpy.conversion.ExportTable("FinalCellStat",          r"E:\\GIS\\LoopTest3 '', "NOT_USE_ALIAS", 'VALUE "VALUE" true true false 0 Long 0 0,First,#,FinalCellStat,VALUE,-1,-1;COUNT "COUNT" true true false 0 Double 0 0,First,#,FinalCellStat,COUNT,-1,-1', None)
     arcpy.conversion.TableToExcel("FinalCellStat_ExportTable", r"E:\\GIS\\LoopTest3\\*.xls", "ALIAS", "CODE")

 

But I need more than one file folder to save. Ideally, I'd have the last chunk in this loop too, but I was having the same issue with the Cell Statistics only saving the last file in the loop

 

 

 

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3 Replies
by Anonymous User
Not applicable

It would help if you formatted your code in here since there are some missing or unmatched ' and " in the ExportTable.  Click the ..., then the </> to get the code window.

If you don't give it a new name in each iteration, you'll just overwrite the name that you have in there.

I suspect it's the

r"E:\\GIS\\LoopTest3\\*.xls"

 output.

Try this to get you started.

cnt = 1
for ClassRast in ClassRasts:
    outputName = f'{os.path.basename(ClassRast)}_{cnt}'
    outCellstats = CellStatistics(ClassRast, "SUM")
    outCellstats.save(r"E:\\GIS\\LoopTest3")

    # TODO: FIX THIS METHOD r"E:\\GIS\\LoopTest3 '' ??
    arcpy.conversion.ExportTable("FinalCellStat", r"E:\\GIS\\LoopTest3 '', "NOT_USE_ALIAS", 'VALUE "VALUE" true true false 0 Long 0 0,First,#,FinalCellStat,VALUE,-1,-1;COUNT "
    COUNT " true true false 0 Double 0 0,First,#,FinalCellStat,COUNT,-1,-1', None)

    arcpy.conversion.TableToExcel("FinalCellStat_ExportTable", fr"E:\\GIS\\LoopTest3\\{outputName}.xls", "ALIAS", "CODE")
    cnt=+1

 

 

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KatherineMcNulty
New Contributor II
Thank you, maybe I should not have added the second part, as I cannot get the first part to save correctly. I need help getting all the files to save in this part of the loop




import arcpy
import os
import glob
from arcpy import env
from arcpy.sa import *

arcpy.CheckOutExtension("Spatial")

env.workspace = r"E:\\GIS\\LoopTest3"
arcpy.env.extent = r"E:\\Quads.shp"
indef_file = "C:\\Users\\kmcnul1\\Desktop\\SnowClassificationScheme2.ecd"

inRasters = glob.glob(r"E:\\LoopImagesTest\\*.tif")

inMaskData = "Quads"
extraction_area = "OUTSIDE"
analysis_extent = "Quads"




for inRaster in inRasters:
     outExtractByMask = ExtractByMask(inRaster, inMaskData)
     classifiedraster = ClassifyRaster(outExtractByMask, indef_file)
     classifiedraster.save = (r"E:\\GIS\\LoopTest3")
     newname = inRaster + "CF"
     arcpy.management.Rename(classifiedraster,newname)
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KatherineMcNulty
New Contributor II

Only the last file in the inRasters folder saves, while the others loop through but disappear.

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