clip from multiple folders and gdb

[PeterVersteeg]

Hi,

With lots of help I have a script that search my folder and gdb for featureclasses and rename them. That script works great.

The next step in my workflow will by clipping. I want the clip feature to clip all my featuresclasses in all folders and gdb’s. I am using the rename script as kind of a template.

The problem now is in a unique output name (the name of the featuresclasses in the gdb are the same (not the factor only the name).

The script I have so far is wrong but it I was hoping it could do the trick if I set it right.

So far the error is in line 10 the join is not working I do not know if the unique_name will work but that is my solution for the unique name problem.

BTW I was think about a script that looks at the extend (clip feature) first and if true then clip and if not nothing.  I am over my head already and I have a script that cleans my gdb’s of empty featureclasses. So for now for my this is ok.

import os 
import arcpy  
from arcpy import env


workspace = "D:\\GIS\\Zone1\\Zone1A"  
feature_classes = []
clipfeature = "D:\\GIS\\Temp\\clip.gdb\\BorderClip"
outputdatabase = "D:\\GIS\\Output\\clip.gdb"
walk = arcpy.da.Walk(workspace, datatype="FeatureClass", type="All")  
fc_output = os.path.join(outputdatabase,filenames)
unique_name = arcpy.CreateUniqueName(fc_output)


for dirpath, dirnames, filenames in walk:  
    for filename in filenames:  
        feature_classes.append(os.path.join(dirpath, filename))  
        
#    arcpy.AddMessage("clipping: " + feature_classes)
arcpy.Clip_analysis(feature_classes, clipfeature, ounique_name)

Greeting Peter

[PhilippeRieffel1]

Hello Peter,

just after a short look, it seems that you are referencing the variable "filenames" in line 11 before even creating it. that may cause your script to fail at this point.

Cheers,

Philippe

[JakeSkinner · Accepted solution]

Hi Peter,

It looks like the code will fail at line 11 above in the 'fc_output' variable since 'filenames' is not yet defined.

Try the following:

import os, arcpy    
from arcpy import env  
  
workspace = "D:\\GIS\\Zone1\\Zone1A"    
clipfeature = "D:\\GIS\\Temp\\clip.gdb\\BorderClip"  
outputdatabase = "D:\\GIS\\Output\\clip.gdb"

walk = arcpy.da.Walk(workspace, datatype="FeatureClass", type="All")
for dirpath, dirnames, filenames in walk:    
    for filename in filenames:
        inputFC = os.path.join(workspace, filename)
        fc_output = os.path.join(outputdatabase, filename)
        unique_name = arcpy.CreateUniqueName(fc_output)
        arcpy.Clip_analysis(inputFC, clipfeature, unique_name)  

print "Finished"

[PeterVersteeg]

Hi Jake,

thank you for the corrections. in line 11 in your script is 1 mistake workspace must by dirpath. then the scripts works great.

import os, arcpy      
from arcpy import env


workspace = "D:\\Documenten\\GIS\\Duitsland\\N47GDB3"      
clipfeature = "D:\\Documenten\\GIS\\Duitsland\\clip.gdb\\BorderClip"    
outputdatabase = "D:\\Documenten\\GIS\\Duitsland\\N47GDB3\\clip.gdb"  
  
walk = arcpy.da.Walk(workspace, datatype="FeatureClass", type="All")  
for dirpath, dirnames, filenames in walk:      
    for filename in filenames:  
        inputFC = os.path.join(dirpath, filename)  
        fc_output = os.path.join(outputdatabase, filename)  
        unique_name = arcpy.CreateUniqueName(fc_output)  
        arcpy.Clip_analysis(inputFC, clipfeature, unique_name)   

[PeterVersteeg]

For those who like the script this is my model.

Greetings Peter