Microscopy Nodes

Changelog

• sets eevee resolution lower on windows to have stable viewing
• new default colors based on https://trygvrad.github.io/multivariate-colormaps-for-n-dimensions/
• reworked color and channel viz with the data model
• Replace LUT > Single Color now gives a list of all cmap.Color names
• fixes errors if reload object disappeared

See 3.0.0 for full 3.0 notes

Changelog

This release reworks a large part of the internal structure and formalizes the data model.
Most changes are preparatory for v3.1, with a few added features, some interaction changes, and several 5.x bug fixes.

Documentation has been updated on the website (previous versions can still be selected).

Core Changes

• Formalizes the internal data model
• Unifies materials and thus changes core GN trees
• Removes the cache; all data is now loaded directly from within the GN tree
• Adds internal support for affine transforms (proper input methods still to come #169)
• Introduces a shared time axis as an animation object (#124)
• Moves volumes to a grid-based workflow
• Simplifies the axis object
• Prepares groundwork for API building

Shading Changes

• Implements shared shaders for all objects, with channels stacked in the same window
• Updates volume shader:
  • Adds emission / scatter switch
  • Improves alpha slider readability
• Fixes volume clipping issues in Cycles (#175)

File I/O

• Deprecates .abc writing in favor of .obj
  • .obj still has limitations (notably OID reading)
  • Writing can now be done without Blender operators

Fixes

• Fixes #133
• Fixes #139

Notes

This release is primarily structural and intended to support upcoming features in v3.1.

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support for blender 5.1

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Blender 5.0.0-beta compatible version

Makes Volume Grid operations possible, but this will still get better (see roadmap on the github issues)

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Patch for loading OME-Zarr labels datasets

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• Remove large dependencies scikit-image and scipy
• Switch to zmesh for meshing
• Fixes lazy loading of tifs and labelmasks

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Fixes loading of tiffs that were not made in imagej (don't have imagej_metadata)

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bundle pyyaml as this was apparently not included in 4.5 (or in another dependency)

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• Adds invertible slicing to the slice cube node (flips slicing in and outside for further node setups)
• Fixes documentation link due to domain name change

no longer builds intel mac

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Adds OME-Zarr 0.5 support, updates dependencies, fixes some issues with Zarr loading

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Implements some fun new features that make playing with colors and intensities much easier, fixes bugs. Written and video tutorials for this version are coming in May/June 2025 (soon).

Implements:

• new color selection in channel list
• new setup for shader nodes (splits intensity and color more cleanly)
• Adds color LUTs to all objects, with under right-click on the ramp a lot of selection of premade colormaps from the cmap library
• Preference settings under Edit > Preferences > Add-Ons > Microscopy Nodes, allows you to set the default options of the Microscopy Nodes panels
• Adds a downscaled option for .tif data to load if the data is over 4 GiB

Fixes:

• floating point data should now work
• 32bit data should now work
• rescaling between different sizes of the data and physical spaces is more clean

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Blender 4.4 compatible version of 2.1

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• adds time slicing
• adds pixel size unit
• adds settable import transform (location and scale)
• reworks internal label mask structure to make this more efficient
• puts axis properties into modifier panel
• fixes reading of .TIF, .TIFF, and .tiff as the same as .tif

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HOTFIX: add importlib-metadata wheels as this is no longer always findable within Blender 4.3 fixes: container rescale no longer affects axis scales

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• Fixes remapping axes when no channel axis is present
• Unlocks axes-grid movement and scaling for crops + separate datasets with a unified coordinate system