Compare Blender Image Data-Blocks*

* Other types are going to be added in future. The goal is to be able to compare any two Blender data-blocks at both properties and data level in visual, user friendly way and to copy differences from each other. Support for other data-blocks will be added gradually. Stay tuned..

`Image` Data-Block

There are four modes available. Magnify with Loupe tool to quickly inspect magnified portions of image, Compare to identify differences between two images - show absolute Difference at pixel level, Map to mark areas with different pixel values and interactive Slider tool for slick before/after presentation with client behind your back or not, Overlay mode with Solar Curves and Detect Edges effects to analyse hard to see details like double shadows, noise, dust on lens or sensor, compression artifacts etc and Transform mode where you can rotate and flip image preview. Original image is never modified, everything is done on gpu with custom shaders and drawn on screen over Blender interface.

Full documentation here: bDiff

Because of Blender API, there are some limitations regarding image source and type. Supported are images loaded from files, image sequences from files and movies, generated images, Multilayer EXRs (only first View Layer and Combined pass) and Render Result image and its Slots (including slot to slot comparison) although its View Layer setting is not supported. Viewer Node image is not supported because it is used in many workarounds to get pixels from other image source and types. Tiled images are not supported at the moment, but might be in future. The same aplies on Multilayer EXR passes other than Combined. More info in documentation.

Compare Blender Image Data-Blocks*

Image Data-Block

Full documentation here: bDiff

A bunch of images from documentation..

`Image` Data-Block

Published	4 months ago
Software Version	4.2, 4.1, 4.0, 3.6
Extension Type	Add-on
License	GPL

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