add ImageVolumeGraphic
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took some 3d movie gen code from caiman to generate a 3d movie: 3d-2025-04-12_03.09.08.mp4 |
File [~\repos\fastplotlib\fastplotlib\graphics\features\_image.py:147](http://localhost:8888/lab/tree/demos/notebooks/~/repos/fastplotlib/fastplotlib/graphics/features/_image.py#line=146), in TextureArray._fix_data(self, data)
145 def _fix_data(self, data):
146 if data.ndim not in (2, 3):
--> 147 raise ValueError(
148 "image data must be 2D with or without an RGB(A) dimension, i.e. "
149 "it must be of shape [rows, cols], [rows, cols, 3] or [rows, cols, 4]"
150 )
152 # let's just cast to float32 always
153 return data.astype(np.float32)
ValueError: image data must be 2D with or without an RGB(A) dimension, i.e. it must be of shape [rows, cols], [rows, cols, 3] or [rows, cols, 4]data = np.random.randn(50, 2, 448, 448)
data.shape
>> (50, 2, 448, 448)The ability to view a time-series with a 4th dimension would be nice here |
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Also how difficult is something like
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nevermind :) volume.world_object.world.scale_z = 15.0Some other helpful tidbits: hlut = fpl.HistogramLUTTool(volume.data.value, volume)
volume.interpolation = "linear"
volume.cmap = "gnuplot2"
fig[0, 0].docks["right"].add_graphic(hlut)
fig[0, 0].docks["right"].size = 80fig[0, 0].docks["right"].controller.enabled = False
fig[0, 0].docks["right"].camera.maintain_aspect = False
fig[0, 0].docks["right"].auto_scale(maintain_aspect=False) |
Yes, looks like it is; it uses the same logic (in the shader) as the image. I have never encountered it in the wild though. |
actually going to merge it this time
TextureArrayssupports 3D texturesImageVolumeGraphicmake this work with, image widget is a mess, need to refactor iw before adding volume supportImageWidgetgraphics.imagescripts/generate_add_graphic_methods.pyis better, removedGraphic.typeattribute which was only used in the generate mixin script and use regex instead to create theadd_<graphic>method names.@almarklein are RGB volumes supported? Is it even a thing?
selector tools for slicing, cube slicing, etc., non-orthogonal slicing to come later
note: implementing
ImageVolumeGraphicas a subclass ofImageGraphicwasn't a good idea because the__init__gets messy. Might make aBaseImageGraphicclass which just has properties which are almost identical betweenImageGraphicandImageVolumeGraphic, but not a big deal right now.