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How to download images from layer

CeciliaMartinelli

Hi everyone,

I have a points layer where for each point there is a photo as an attachment. Now, these photos are scattered in several folders and I would like to create one folder that collects all the photos. It would be really annoying to look for each photo, so I was thinking is there a way to download all the photos from a layer in an automatic way? Maybe with a tool or a script? I searched online but I didn't find anything...

I'm using ArcGis Pro 3.0.2

Thank you for the help

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Accepted answers

JohannesLindner

Then you should be able to use this simple script in ArcGIS Pro's Python Window:

# edit these variables
layer_name = "Layer"
output_folder = "N:/.../temp"


from pathlib import Path
attachment_table = arcpy.Describe(layer_name).catalogPath + "__ATTACH"
with arcpy.da.SearchCursor(attachment_table, ["DATA", "ATT_NAME"]) as cursor:
    for data, name in cursor:
        print(f"currently exporting {name}")
        out_file = Path(output_folder, name)
        out_file.write_bytes(data)

All comments

JohannesLindner

Are we talking about an actual Attachment Table, which is created with the Attachment tools and managed by ArcGIS? Or are we talking about a "normal" feature class with a field that contains a file path?

DanPatterson

From here

Working with the Attachments geoprocessing tools—ArcGIS Pro | Documentation

Maybe you can generate an attachment table, to get the file paths, then use that information to consolidate all the images into one folder. Once assembled, produce a new column in the table fixing the path to their new location and then re-adding the attachments.

CeciliaMartinelli

It is an actual Attachment table

JohannesLindner

Then you should be able to use this simple script in ArcGIS Pro's Python Window:

# edit these variables
layer_name = "Layer"
output_folder = "N:/.../temp"


from pathlib import Path
attachment_table = arcpy.Describe(layer_name).catalogPath + "__ATTACH"
with arcpy.da.SearchCursor(attachment_table, ["DATA", "ATT_NAME"]) as cursor:
    for data, name in cursor:
        print(f"currently exporting {name}")
        out_file = Path(output_folder, name)
        out_file.write_bytes(data)

Mei

Hi Johannes,
do you know a way to automatically delete the downloaded attachments?

My problem is the following: I have a layer in ArcGIS online in which photos are uploaded by fieldworkers. In order to reduce the amount of data on ArcGIS online I would like an automatic download and delete of only the images, but the layer should remain online with the fetaures.

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