Hi I am trying to make a loop function. loop function picks up the rasters file from every subfolder, composite(layer stack#) the raster file and keeps it in that subfolders. I am getting an error. please help anyone. Under ppp folder have two subfolder P1 and P2 both folders contain the raster file. Thanks in advance. import arcpy , os , sys from arcpy import env from arcpy . sa import * arcpy . env . overwriteOutput = True env . workspace = "G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp" ws = r "G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp" walk = arcpy . da . Walk ( ws , topdown = True , datatype = "RasterDataset" ) for dirpath , dirnames , filenames in walk : print "Processing folder:" , dirpath rasters = [ ] for filename in filenames : raster = os . path . join ( dirpath , filename ) print raster if filename . endswith ( ".tif" ) : rasters . append ( raster ) print "-rasters found:" , len ( rasters ) if len ( rasters ) != 0 : print " layerstack" file_name_only = os . path . splitext ( rasters [ 0 ] ) [ 0 ] tifname = file_name_only [ - 9 : ] print tifname ras_name = os . path . join ( dirpath , 'L_{0}.tif' . format ( tifname ) ) layr = arcpy . CompositeBands_management ( rasters , ras_name ) else : print " -skipping folder..." print "Finished..."

Your indentation is throwing off the loops... try this import arcpy , os , sys from arcpy import env from arcpy . sa import * arcpy . env . overwriteOutput = True env . workspace = "G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp" ws = r "G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp" walk = arcpy . da . Walk ( ws , topdown = True , datatype = "RasterDataset" ) for dirpath , dirnames , filenames in walk : print "Processing folder:" , dirpath rasters = [ ] for filename in filenames : raster = os . path . join ( dirpath , filename ) print raster if filename . endswith ( ".tif" ) : rasters . append ( raster ) print "-rasters found:" , len ( rasters ) if len ( rasters ) != 0 : print " layerstack" file_name_only = os . path . splitext ( rasters [ 0 ] ) [ 0 ] tifname = file_name_only [ - 9 : ] print tifname ras_name = os . path . join ( dirpath , 'L_{0}.tif' . format ( tifname ) ) layr = arcpy . CompositeBands_management ( rasters , ras_name ) else : print " -skipping folder..." print "Finished..."

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Loop through multiple folder and composite-band of raster of Same folder

BIJOYGAYEN

I am trying to make a loop function. loop function picks up the rasters file from every subfolder, composite(layer stack#) the raster file and keeps it in that subfolders. I am getting an error. please help anyone. Under ppp folder have two subfolder P1 and P2 both folders contain the raster file. Thanks in advance.

<SPAN class="keyword token">import</SPAN> arcpy <SPAN class="punctuation token">,</SPAN>os <SPAN class="punctuation token">,</SPAN>sys
<SPAN class="keyword token">from</SPAN> arcpy <SPAN class="keyword token">import</SPAN> env
<SPAN class="keyword token">from</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>sa <SPAN class="keyword token">import</SPAN> <SPAN class="operator token">*</SPAN>
arcpy<SPAN class="punctuation token">.</SPAN>env<SPAN class="punctuation token">.</SPAN>overwriteOutput <SPAN class="operator token">=</SPAN> <SPAN class="token boolean">True</SPAN>
env<SPAN class="punctuation token">.</SPAN>workspace <SPAN class="operator token">=</SPAN> <SPAN class="string token">"G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp"</SPAN>

ws <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp"</SPAN>
walk <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>da<SPAN class="punctuation token">.</SPAN>Walk<SPAN class="punctuation token">(</SPAN>ws<SPAN class="punctuation token">,</SPAN> topdown<SPAN class="operator token">=</SPAN><SPAN class="token boolean">True</SPAN><SPAN class="punctuation token">,</SPAN> datatype<SPAN class="operator token">=</SPAN><SPAN class="string token">"RasterDataset"</SPAN><SPAN class="punctuation token">)</SPAN>
<SPAN class="keyword token">for</SPAN> dirpath<SPAN class="punctuation token">,</SPAN> dirnames<SPAN class="punctuation token">,</SPAN> filenames <SPAN class="keyword token">in</SPAN> walk<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">"Processing folder:"</SPAN><SPAN class="punctuation token">,</SPAN> dirpath

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rasters<SPAN class="operator token">=</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">for</SPAN> filename <SPAN class="keyword token">in</SPAN> filenames<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; raster<SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>join<SPAN class="punctuation token">(</SPAN>dirpath<SPAN class="punctuation token">,</SPAN>filename<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> raster
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> filename<SPAN class="punctuation token">.</SPAN>endswith<SPAN class="punctuation token">(</SPAN><SPAN class="string token">".tif"</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rasters<SPAN class="punctuation token">.</SPAN>append<SPAN class="punctuation token">(</SPAN>raster<SPAN class="punctuation token">)</SPAN>
<SPAN class="keyword token">print</SPAN> <SPAN class="string token">"-rasters found:"</SPAN><SPAN class="punctuation token">,</SPAN>len<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">)</SPAN>

<SPAN class="keyword token">if</SPAN> len<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">!=</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">" layerstack"</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; file_name_only <SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>splitext<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tifname <SPAN class="operator token">=</SPAN> file_name_only<SPAN class="punctuation token">[</SPAN><SPAN class="operator token">-</SPAN><SPAN class="number token">9</SPAN><SPAN class="punctuation token">:</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> tifname
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ras_name <SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>join<SPAN class="punctuation token">(</SPAN>dirpath<SPAN class="punctuation token">,</SPAN><SPAN class="string token">'L_{0}.tif'</SPAN><SPAN class="punctuation token">.</SPAN>format<SPAN class="punctuation token">(</SPAN>tifname<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; layr <SPAN class="operator token">=</SPAN>arcpy<SPAN class="punctuation token">.</SPAN>CompositeBands_management<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">,</SPAN>ras_name<SPAN class="punctuation token">)</SPAN>


<SPAN class="keyword token">else</SPAN> <SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN><SPAN class="string token">" -skipping folder..."</SPAN>

<SPAN class="keyword token">print</SPAN> <SPAN class="string token">"Finished..."</SPAN>
<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

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Accepted answers

DanPatterson_Retired

Your indentation is throwing off the loops... try this

<SPAN class="keyword token">import</SPAN> arcpy <SPAN class="punctuation token">,</SPAN>os <SPAN class="punctuation token">,</SPAN>sys
<SPAN class="keyword token">from</SPAN> arcpy <SPAN class="keyword token">import</SPAN> env
<SPAN class="keyword token">from</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>sa <SPAN class="keyword token">import</SPAN> <SPAN class="operator token">*</SPAN>
arcpy<SPAN class="punctuation token">.</SPAN>env<SPAN class="punctuation token">.</SPAN>overwriteOutput <SPAN class="operator token">=</SPAN> <SPAN class="token boolean">True</SPAN>
env<SPAN class="punctuation token">.</SPAN>workspace <SPAN class="operator token">=</SPAN> <SPAN class="string token">"G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp"</SPAN>

ws <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp"</SPAN>
walk <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>da<SPAN class="punctuation token">.</SPAN>Walk<SPAN class="punctuation token">(</SPAN>ws<SPAN class="punctuation token">,</SPAN> topdown<SPAN class="operator token">=</SPAN><SPAN class="token boolean">True</SPAN><SPAN class="punctuation token">,</SPAN> datatype<SPAN class="operator token">=</SPAN><SPAN class="string token">"RasterDataset"</SPAN><SPAN class="punctuation token">)</SPAN>
<SPAN class="keyword token">for</SPAN> dirpath<SPAN class="punctuation token">,</SPAN> dirnames<SPAN class="punctuation token">,</SPAN> filenames <SPAN class="keyword token">in</SPAN> walk<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">"Processing folder:"</SPAN><SPAN class="punctuation token">,</SPAN> dirpath

&nbsp;&nbsp;&nbsp; rasters<SPAN class="operator token">=</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">for</SPAN> filename <SPAN class="keyword token">in</SPAN> filenames<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; raster<SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>join<SPAN class="punctuation token">(</SPAN>dirpath<SPAN class="punctuation token">,</SPAN>filename<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> raster
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> filename<SPAN class="punctuation token">.</SPAN>endswith<SPAN class="punctuation token">(</SPAN><SPAN class="string token">".tif"</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rasters<SPAN class="punctuation token">.</SPAN>append<SPAN class="punctuation token">(</SPAN>raster<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">"-rasters found:"</SPAN><SPAN class="punctuation token">,</SPAN>len<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">)</SPAN>

&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> len<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">!=</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">" layerstack"</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; file_name_only <SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>splitext<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tifname <SPAN class="operator token">=</SPAN> file_name_only<SPAN class="punctuation token">[</SPAN><SPAN class="operator token">-</SPAN><SPAN class="number token">9</SPAN><SPAN class="punctuation token">:</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> tifname
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ras_name <SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>join<SPAN class="punctuation token">(</SPAN>dirpath<SPAN class="punctuation token">,</SPAN><SPAN class="string token">'L_{0}.tif'</SPAN><SPAN class="punctuation token">.</SPAN>format<SPAN class="punctuation token">(</SPAN>tifname<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; layr <SPAN class="operator token">=</SPAN>arcpy<SPAN class="punctuation token">.</SPAN>CompositeBands_management<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">,</SPAN>ras_name<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">else</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN><SPAN class="string token">" -skipping folder..."</SPAN>

<SPAN class="keyword token">print</SPAN> <SPAN class="string token">"Finished..."</SPAN>
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

All comments

RandyBurton

Can you share the error message?

BIJOYGAYEN

I had a small mistake to fix it. The code just picks up the p2 folder's raster file and composite it, also saves it by first raster file name(of the P2 folder) in the same folder. But The function did not pick up the file from another folder(P1) and no composite is going on.

Here is two problem

1.code does not pick up the file from another folder at the same time

2.composite file save by first raster file name of the folder

BIJOYGAYEN

But I cannot solves the previous reply problems.

DanPatterson_Retired

Your indentation is throwing off the loops... try this

<SPAN class="keyword token">import</SPAN> arcpy <SPAN class="punctuation token">,</SPAN>os <SPAN class="punctuation token">,</SPAN>sys
<SPAN class="keyword token">from</SPAN> arcpy <SPAN class="keyword token">import</SPAN> env
<SPAN class="keyword token">from</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>sa <SPAN class="keyword token">import</SPAN> <SPAN class="operator token">*</SPAN>
arcpy<SPAN class="punctuation token">.</SPAN>env<SPAN class="punctuation token">.</SPAN>overwriteOutput <SPAN class="operator token">=</SPAN> <SPAN class="token boolean">True</SPAN>
env<SPAN class="punctuation token">.</SPAN>workspace <SPAN class="operator token">=</SPAN> <SPAN class="string token">"G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp"</SPAN>

ws <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp"</SPAN>
walk <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>da<SPAN class="punctuation token">.</SPAN>Walk<SPAN class="punctuation token">(</SPAN>ws<SPAN class="punctuation token">,</SPAN> topdown<SPAN class="operator token">=</SPAN><SPAN class="token boolean">True</SPAN><SPAN class="punctuation token">,</SPAN> datatype<SPAN class="operator token">=</SPAN><SPAN class="string token">"RasterDataset"</SPAN><SPAN class="punctuation token">)</SPAN>
<SPAN class="keyword token">for</SPAN> dirpath<SPAN class="punctuation token">,</SPAN> dirnames<SPAN class="punctuation token">,</SPAN> filenames <SPAN class="keyword token">in</SPAN> walk<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">"Processing folder:"</SPAN><SPAN class="punctuation token">,</SPAN> dirpath

&nbsp;&nbsp;&nbsp; rasters<SPAN class="operator token">=</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">for</SPAN> filename <SPAN class="keyword token">in</SPAN> filenames<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; raster<SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>join<SPAN class="punctuation token">(</SPAN>dirpath<SPAN class="punctuation token">,</SPAN>filename<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> raster
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> filename<SPAN class="punctuation token">.</SPAN>endswith<SPAN class="punctuation token">(</SPAN><SPAN class="string token">".tif"</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rasters<SPAN class="punctuation token">.</SPAN>append<SPAN class="punctuation token">(</SPAN>raster<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">"-rasters found:"</SPAN><SPAN class="punctuation token">,</SPAN>len<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">)</SPAN>

&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> len<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">!=</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> <SPAN class="string token">" layerstack"</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; file_name_only <SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>splitext<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tifname <SPAN class="operator token">=</SPAN> file_name_only<SPAN class="punctuation token">[</SPAN><SPAN class="operator token">-</SPAN><SPAN class="number token">9</SPAN><SPAN class="punctuation token">:</SPAN><SPAN class="punctuation token">]</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> tifname
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ras_name <SPAN class="operator token">=</SPAN> os<SPAN class="punctuation token">.</SPAN>path<SPAN class="punctuation token">.</SPAN>join<SPAN class="punctuation token">(</SPAN>dirpath<SPAN class="punctuation token">,</SPAN><SPAN class="string token">'L_{0}.tif'</SPAN><SPAN class="punctuation token">.</SPAN>format<SPAN class="punctuation token">(</SPAN>tifname<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; layr <SPAN class="operator token">=</SPAN>arcpy<SPAN class="punctuation token">.</SPAN>CompositeBands_management<SPAN class="punctuation token">(</SPAN>rasters<SPAN class="punctuation token">,</SPAN>ras_name<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">else</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN><SPAN class="string token">" -skipping folder..."</SPAN>

<SPAN class="keyword token">print</SPAN> <SPAN class="string token">"Finished..."</SPAN>
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

BIJOYGAYEN

Message File Name Line Position
Traceback
<module> <module1> 36
CompositeBands C:\Program Files (x86)\ArcGIS\Desktop10.4\ArcPy\arcpy\management.py 13824
ExecuteError: ERROR 999999: Error executing function.
Failed to execute (CompositeBands).

My aim is, the code will go to every sub-folder ( P1, P2,...) under ppp folder after that code picked up the raster files individual folder and will do band composite and saved this composite file by unique name in the same folder(P1,P2,...).

PPP

P1 -Raster files picked up--- Band composite---save in P1 folder by unique name.

P2 -Raster files picked up--- Band composite---save in P2 folder by unique name.

P_n-Raster files picked up--- Band composite---save in P_nfolder by unique name.

DanPatterson_Retired

show some of the print statements

BIJOYGAYEN

Processing folder: G:/ANFIS_DATA_2/PRECEPITATION/aug/POINT/ppp
-rasters found: 0
-skipping folder...
Processing folder: G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug1_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug22_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug25_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug26_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug27_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug30_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug31_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug6_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug7_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug8_pre.tif
G:\ANFIS_DATA_2\PRECEPITATION\aug\POINT\ppp\p1\aug9_pre.tif
-rasters found: 11
layerstack
\aug1_pre
Traceback (most recent call last):
File "<module1>", line 36, in <module>
File "C:\Program Files (x86)\ArcGIS\Desktop10.4\ArcPy\arcpy\management.py", line 13824, in CompositeBands
raise e
ExecuteError: ERROR 999999: Error executing function.
Failed to execute (CompositeBands).

>>>

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