ArcGIS Pro: Why the size of the shifted imageries (with the batch shift tool) is much bigger than their original?

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01-06-2022 09:30 PM
JamalNUMAN
Esteemed Contributor

 

ArcGIS Pro: Why the size of the shifted imageries (with the batch shift tool) is much bigger than their original?

 

I couldn’t figure out why the size of the shifted imageries (with the batch shift tool) is much bigger than its original.

 

For example, in the screenshot below, the batch shift tool is performed to shift multiple imageries. I compared the size of the original imageries with the shifted and found out that the size is 10 times

 

What could be the issue here? How to reduce the size of the shifted imageries?

 

Clip_1488.jpg

 

Clip_1489.jpg

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Jamal Numan
Geomolg Geoportal for Spatial Information
Ramallah, West Bank, Palestine
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5 Replies
DanPatterson
MVP Esteemed Contributor

take one of your unshifted images and find its shifted match,

right-click select the properties and see whether there is a difference in compression type under raster properties for both.  Examine the Environments tab for the batch shift tool and see what was set there.  There could be differences in the environments used from the original image and shifted images.


... sort of retired...
JamalNUMAN
Esteemed Contributor

The comparison between the original data and shifted one shows same structure

 

Clip_161.jpgClip_162.jpgClip_163.jpg

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Jamal Numan
Geomolg Geoportal for Spatial Information
Ramallah, West Bank, Palestine
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DanPatterson
MVP Esteemed Contributor

compression... jpeg vs lzw


... sort of retired...
JamalNUMAN
Esteemed Contributor

 

No luck to shif it with jpg option

 

Clip_167.jpgClip_168.jpgClip_169.jpg

 

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Jamal Numan
Geomolg Geoportal for Spatial Information
Ramallah, West Bank, Palestine
0 Kudos
DanPatterson
MVP Esteemed Contributor

The question is about file size and what is appropriate for your desired file format (*.tiff).k

If you want a file type that doesn't change its size when you want to shift it, use one that doesn't use any internal spatial referencing but relays on a text based world file instead.... for example *.tifw .... you can just do the "shift" with the world file IF there is no coordinate information retained in the *.tif file itself


... sort of retired...