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Geometry Nodes: Sample Grid Index node #118690

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Hans Goudey wants to merge 8 commits from HooglyBoogly/blender:geometry-nodes-sample-grid-index-node-v2 into main
pull from: HooglyBoogly/blender:geometry-nodes-sample-grid-index-node-v2
merge into: blender:main

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Conversation 2 Commits 8 Files Changed 5 +261
Hans Goudey commented 2024-02-23 22:44:15 +01:00
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This (experimental, for now) node retrieve's voxel values
at specific voxel indices for a grid input. It's similar to the
Sample Grid node (77cba3d551), but there is
no interpolation, and it uses indices instead of positions.

Screenshot from 2024-02-23 16-31-34
Screenshot from 2024-02-23 16-31-16

This (experimental, for now) node retrieve's voxel values at specific voxel indices for a grid input. It's similar to the Sample Grid node (77cba3d5518d8b75da78), but there is no interpolation, and it uses indices instead of positions. --- ![Screenshot from 2024-02-23 16-31-34](/attachments/0b09165e-3029-4d23-8182-615c0df4be6d) ![Screenshot from 2024-02-23 16-31-16](/attachments/1bbcad96-9f0c-4b32-9ea7-5d36dcdcf397)
Screenshot from 2024-02-23 16-31-34.png
11 KiB
Screenshot from 2024-02-23 16-31-16.png
157 KiB
❤️ 5
Hans Goudey added 1 commit 2024-02-23 22:44:25 +01:00
54e1e6e737 Geometry Nodes: Sample Grid Index node 
This (experimental, for now) node retrieve's voxel values
at specific voxel indices for a grid input. It's similar to the
Sample Grid node (77cba3d551), but there is
no interpolation, and it uses indices instead of positions.
Hans Goudey added this to the Nodes & Physics project 2024-02-23 22:45:17 +01:00
Hans Goudey added the
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Geometry Nodes
 label 2024-02-23 22:45:22 +01:00
Hans Goudey added 1 commit 2024-02-23 22:46:41 +01:00
buildbot/vexp-code-patch-lint Build done. Details
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buildbot/vexp-code-patch-darwin-arm64 Build done. Details
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buildbot/vexp-code-patch-coordinator Build done. Details
19d83bc618 Remove unnecessary include
Hans Goudey requested review from Lukas Tönne 2024-02-23 22:46:53 +01:00
Hans Goudey requested review from Jacques Lucke 2024-02-23 22:46:54 +01:00
Hans Goudey commented 2024-02-23 22:47:09 +01:00
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@blender-bot build

@blender-bot build
Hans Goudey added 1 commit 2024-02-29 01:29:52 +01:00
Jacob Merrill commented 2024-02-29 02:10:00 +01:00
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using 'blur attribute' with this - would result in interpolation intentionally eh? or is this behavior impossible?

using 'blur attribute' with this - would result in interpolation intentionally eh? or is this behavior impossible?
Hans Goudey added 1 commit 2024-03-25 22:23:15 +01:00
Jacques Lucke added 1 commit 2024-04-22 18:24:52 +02:00
Jacques Lucke requested changes 2024-04-25 12:07:08 +02:00
source/blender/nodes/geometry/nodes/node_geo_sample_grid_index.cc Outdated
@ -0,0 +230,4 @@
"data_type",
"Data Type",
"Node socket data type",
rna_enum_node_socket_type_items,
Jacques Lucke commented 2024-04-25 11:49:13 +02:00
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Just noticed that this is the wrong enum. It uses "Value" instead of "Float". The same issue actually exists in the Sample Grid node.

Just noticed that this is the wrong enum. It uses "Value" instead of "Float". The same issue actually exists in the Sample Grid node.
Hans Goudey commented 2024-04-26 17:26:36 +02:00
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I don't think that's the wrong enum honestly. I thought we had decided to use the node socket types here, rather than custom data types on purpose.

The fact that we have this "Float" vs. "Value" inconsistency is a problem, but I see it as outside the scope of this PR.

I don't think that's the wrong enum honestly. I thought we had decided to use the node socket types here, rather than custom data types on purpose. The fact that we have this "Float" vs. "Value" inconsistency is a problem, but I see it as outside the scope of this PR.
Jacques Lucke commented 2024-05-01 23:31:03 +02:00
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I think you probably misunderstood what I meant. I fixed the Sample Grid node here: 6cb9b7299d

It's not about using custom data types. We still want to use socket types, but it's still the wrong enum.

I think you probably misunderstood what I meant. I fixed the Sample Grid node here: 6cb9b7299d35ba68d1adea7164dc2d2045c73788 It's not about using custom data types. We still want to use socket types, but it's still the wrong enum.
Hans Goudey commented 2024-05-02 19:44:43 +02:00
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Oh yeah, my bad. Thanks for explaining.

Oh yeah, my bad. Thanks for explaining.
JacquesLucke marked this conversation as resolved
Hans Goudey added 1 commit 2024-04-26 17:27:28 +02:00
Hans Goudey added 2 commits 2024-05-02 19:44:50 +02:00
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