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This node creates splines with more control points in between the
existing control points. The point is to give the splines more
definition for further tweaking like randomization with white noise,
instead of deforming a resampled poly spline with a noise texture.
For poly splines and NURBS, the node simply interpolates new values
between the existing control points. However, for Bezier splines,
the result follows the existing evaluated shape of the curve, changing
the handle positions and handle types to make that possible.
The number of "cuts" can be controlled by an integer input, or an
attribute can be used. Both spline and point domain attributes are
supported, so the number of cuts can vary using the value from the
point at the start of each segment.
Dynamic curve attributes are interpolated to the result with linear
interpolation.
Differential Revision: https://developer.blender.org/D11421
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Implementation of T86970. This node takes a geometry input with
multiple components and outputs them by component type. Meshes,
Curves, and Point Clouds support combining multiple input instances,
while volumes will only output the first volume component input until
suitable instance realization for multiple volumes is finished.
When direct geometry instancing is implemented it will be possible to
avoid realizing instances in this node.
Differential Revision: https://developer.blender.org/D11577
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This is an implementation of T88722. It accepts a curve object and
for each spline, reverses the order of the points and all attributes.
This is more of a foundational node to support other nodes in the
future (like curve deform)
Selection takes spline domain attributes to determine which splines
are selected. If no selection is present all splines are reversed.
Differential Revision: https://developer.blender.org/D11538
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This node implements the second option of T87429, creating points
along the input splines with the necessary evaluated information
for instancing: `tangent`, `normal`, and `rotation` attributes.
All generic curve point and spline attributes are copied to the
result points as well.
The "Count" and "Length" methods are just like the current options
in the resample node, but the output is points instead of a curve.
The "Evaluated" method uses the points you see on the curve directly,
and therefore should be the fastest.
The rotation data is retrieved from a transform matrix built with the
same method that the curve to mesh node uses. The radius attribute is
divided by 10 so the points don't look absurdly huge in the viewport.
In the future that could be an option.
For the implementation, one thing that could use an improvement
is the amount of temporary allocations while resampling to evaluated
points before the final points. I expect that reusing a buffer for
each thread would give a nice improvement.
Differential Revision: https://developer.blender.org/D11539
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This commit adds a node to output the convex hull of any input geometry
as a mesh, which is an enclosing geometry around a set of points.
All geometry types are supported, besides volumes.
The code supports operating on instances to avoid copying all input
geometry before the operation. The implementation uses the same backend
as the operation in edit mode, but uses Mesh directly instead of BMesh.
Attribute transfer is not supported currently, but would be a point of
improvement for the future if it can work in a predictable way on
different geometry input types.
Differential Revision: https://developer.blender.org/D10925
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Use keyword only arguments for the following functions.
- addon_utils.module_bl_info 2nd arg `info_basis`.
- addon_utils.modules 1st `module_cache`, 2nd arg `refresh`.
- addon_utils.modules_refresh 1st arg `module_cache`.
- bl_app_template_utils.activate 1nd arg `template_id`.
- bl_app_template_utils.import_from_id 2nd arg `ignore_not_found`.
- bl_app_template_utils.import_from_path 2nd arg `ignore_not_found`.
- bl_keymap_utils.keymap_from_toolbar.generate 2nd & 3rd args `use_fallback_keys` & `use_reset`.
- bl_keymap_utils.platform_helpers.keyconfig_data_oskey_from_ctrl 2nd arg `filter_fn`.
- bl_ui_utils.bug_report_url.url_prefill_from_blender 1st arg `addon_info`.
- bmesh.types.BMFace.copy 1st & 2nd args `verts`, `edges`.
- bmesh.types.BMesh.calc_volume 1st arg `signed`.
- bmesh.types.BMesh.from_mesh 2nd..4th args `face_normals`, `use_shape_key`, `shape_key_index`.
- bmesh.types.BMesh.from_object 3rd & 4th args `cage`, `face_normals`.
- bmesh.types.BMesh.transform 2nd arg `filter`.
- bmesh.types.BMesh.update_edit_mesh 2nd & 3rd args `loop_triangles`, `destructive`.
- bmesh.types.{BMVertSeq,BMEdgeSeq,BMFaceSeq}.sort 1st & 2nd arg `key`, `reverse`.
- bmesh.utils.face_split 4th..6th args `coords`, `use_exist`, `example`.
- bpy.data.libraries.load 2nd..4th args `link`, `relative`, `assets_only`.
- bpy.data.user_map 1st..3rd args `subset`, `key_types, `value_types`.
- bpy.msgbus.subscribe_rna 5th arg `options`.
- bpy.path.abspath 2nd & 3rd args `start` & `library`.
- bpy.path.clean_name 2nd arg `replace`.
- bpy.path.ensure_ext 3rd arg `case_sensitive`.
- bpy.path.module_names 2nd arg `recursive`.
- bpy.path.relpath 2nd arg `start`.
- bpy.types.EditBone.transform 2nd & 3rd arg `scale`, `roll`.
- bpy.types.Operator.as_keywords 1st arg `ignore`.
- bpy.types.Struct.{keyframe_insert,keyframe_delete} 2nd..5th args `index`, `frame`, `group`, `options`.
- bpy.types.WindowManager.popup_menu 2nd & 3rd arg `title`, `icon`.
- bpy.types.WindowManager.popup_menu_pie 3rd & 4th arg `title`, `icon`.
- bpy.utils.app_template_paths 1st arg `subdir`.
- bpy.utils.app_template_paths 1st arg `subdir`.
- bpy.utils.blend_paths 1st..3rd args `absolute`, `packed`, `local`.
- bpy.utils.execfile 2nd arg `mod`.
- bpy.utils.keyconfig_set 2nd arg `report`.
- bpy.utils.load_scripts 1st & 2nd `reload_scripts` & `refresh_scripts`.
- bpy.utils.preset_find 3rd & 4th args `display_name`, `ext`.
- bpy.utils.resource_path 2nd & 3rd arg `major`, `minor`.
- bpy.utils.script_paths 1st..4th args `subdir`, `user_pref`, `check_all`, `use_user`.
- bpy.utils.smpte_from_frame 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.smpte_from_seconds 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.system_resource 2nd arg `subdir`.
- bpy.utils.time_from_frame 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.time_to_frame 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.units.to_string 4th..6th `precision`, `split_unit`, `compatible_unit`.
- bpy.utils.units.to_value 4th arg `str_ref_unit`.
- bpy.utils.user_resource 2nd & 3rd args `subdir`, `create`
- bpy_extras.view3d_utils.location_3d_to_region_2d 4th arg `default`.
- bpy_extras.view3d_utils.region_2d_to_origin_3d 4th arg `clamp`.
- gpu.offscreen.unbind 1st arg `restore`.
- gpu_extras.batch.batch_for_shader 4th arg `indices`.
- gpu_extras.batch.presets.draw_circle_2d 4th arg `segments`.
- gpu_extras.presets.draw_circle_2d 4th arg `segments`.
- imbuf.types.ImBuf.resize 2nd arg `resize`.
- imbuf.write 2nd arg `filepath`.
- mathutils.kdtree.KDTree.find 2nd arg `filter`.
- nodeitems_utils.NodeCategory 3rd & 4th arg `descriptions`, `items`.
- nodeitems_utils.NodeItem 2nd..4th args `label`, `settings`, `poll`.
- nodeitems_utils.NodeItemCustom 1st & 2nd arg `poll`, `draw`.
- rna_prop_ui.draw 5th arg `use_edit`.
- rna_prop_ui.rna_idprop_ui_get 2nd arg `create`.
- rna_prop_ui.rna_idprop_ui_prop_clear 3rd arg `remove`.
- rna_prop_ui.rna_idprop_ui_prop_get 3rd arg `create`.
- rna_xml.xml2rna 2nd arg `root_rna`.
- rna_xml.xml_file_write 4th arg `skip_typemap`.
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This node creates a boolean face attribute that is "true" for
every face that has the given material.
Differential Revision: https://developer.blender.org/D11324
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This commit adds a node that outputs the total length of all
evalauted curve splines in a geometry set as a float value.
Differential Revision: https://developer.blender.org/D11459
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This node is similar to the mask modifier, but it deletes the elements
of the geometry corresponding to the selection, which is retrieved as
a boolean attribute. The node currently supports both mesh and point
cloud data. For meshes, which elements are deleted depends on the
domain of the input selection attribute, just like how behavior depends
on the selection mode in mesh edit mode.
In the future this node will support curve data, and ideally volume
data in some way.
Differential Revision: https://developer.blender.org/D10748
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This node creates poly curve splines from mesh edges. A selection
attribute input allows only using some of the edges from the mesh.
The node builds cyclic splines from branchless groups of edges where
possible, but when there is a three-way intersection, the spline stops.
The node also transfers all attributes from the mesh to the resulting
control points. In the future we could add a way to limit that to a
subset of the attributes to improve performance.
The algorithm is from Animation Nodes, written by @OmarSquircleArt.
I added the ability to use a selection, attribute transferring, and
used different variable names, etc, but other than that the algorithm
is the same.
Differential Revision: https://developer.blender.org/D11265
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Convert curve vec and curve rgb shader nodes to geometry nodes, based on node_shader_valToRgb.cc implementation.
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This node can change all faces that use a specific material to use a
different material. Using this node is significantly more efficient
than creating a selection from all faces with a specific material
index and then using the Material Assign node.
Ref T88055.
Differential Revision: https://developer.blender.org/D11325
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This node is similar to the Value and Vector node.
It just provides a way to use the same material in multiple nodes
without exposing it outside of a node group.
Differential Revision: https://developer.blender.org/D11305
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This adds a new Material Assign node. It can be used to change the
material used by an existing mesh or to assign a material to a mesh
that has been generated from scratch.
Differential Revision: https://developer.blender.org/D11155
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Port vector rotate node to geo attributes.
Request by @simonthommes
Reviewed By: simonthommes, HooglyBoogly
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This node generates a naturally parametarized (even length edge) poly
spline version of every spline in the input. There are two modes,
"Count", and "Length". These are similar to the same options for the
line primitive node in end points mode.
I implemented this instead of a "Sample Points" node, because for this
operation it's trivial to keep the result as a curve, which is nice
since it increases flexibility, and because it can make instancing
simpler, i.e. using the transforms of each evaluated point rather than
requiring the construction of a "rotation" attribute.
Differential Revision: https://developer.blender.org/D11173
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This node has the same functionality as the color and vector curve
mapping nodes in the shader editor. Here is works on every value for
the selected attribute, and it can also output a float value. Other
than that, the implementation is quite straightforward-- almost
completely boilerplate code.
Differential Revision: https://developer.blender.org/D10921
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This patch adds initial curve support to geometry nodes. Currently
there is only one node available, the "Curve to Mesh" node, T87428.
However, the aim of the changes here is larger than just supporting
curve data in nodes-- it also uses the opportunity to add better spline
data structures, intended to replace the existing curve evaluation code.
The curve code in Blender is quite old, and it's generally regarded as
some of the messiest, hardest-to-understand code as well. The classes
in `BKE_spline.hh` aim to be faster, more extensible, and much more
easily understandable. Further explanation can be found in comments in
that file.
Initial builtin spline attributes are supported-- reading and writing
from the `cyclic` and `resolution` attributes works with any of the
attribute nodes. Also, only Z-up normal calculation is implemented
at the moment, and tilts do not apply yet.
**Limitations**
- For now, you must bring curves into the node tree with an "Object
Info" node. Changes to the curve modifier stack will come later.
- Converting to a mesh is necessary to visualize the curve data.
Further progress can be tracked in: T87245
Higher level design document: https://wiki.blender.org/wiki/Modules/Physics_Nodes/Projects/EverythingNodes/CurveNodes
Differential Revision: https://developer.blender.org/D11091
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This is a first version of an Attribute Transfer node. It only supports two
modes for mapping attributes from one geometry to another for now.
More options are planned for the future.
Ref T87421.
Differential Revision: https://developer.blender.org/D11037
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This is a first iteration of a switch node. It can only switch between
two inputs values based on a boolean. A more sophisticated switch
node that has an integer selector will probably come later.
Currently, the geometry nodes evaluator does not support lazy evaluation
of individual inputs. Therefore, all inputs will be computed currently.
An improvement to the evaluator will be worked on separately.
Ref: T85374
Differential Revision: https://developer.blender.org/D10460
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This commit adds a simple node to output the min and max of an
axis-aligned bounding box for the input geometry, as well a rectangular
prism mesh created from these values for convenience.
The initial use case for this node is a "bounding box boolean", where
doing the boolean with just a bounding box could be signigicantly
faster, for cases like cutting a hole in a wall for a window. But it's
easy to imagine other cases where it could be useful.
This node supports mesh and point cloud data right now, volume support
will come as a separate patch. Also note that there is plenty of room
to improve the performance of this node through parallelization.
Differential Revision: https://developer.blender.org/D10420
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This is an implementation of Enhanced Subpixel Morphological Antialiasing (SMAA)
The algorithm was proposed by:
Jorge Jimenez, Jose I. Echevarria, Tiago Sousa, Diego Gutierrez
This node provides only SMAA 1x mode, so the operation will be done with no spatial
multisampling nor temporal supersampling. See Patch for comparisons.
The existing AA operation seems to be used only for binary images by some other nodes.
Using SMAA for binary images needs no important parameter such as "threshold", so we
perhaps can switch the operation to SMAA, though that changes existing behavior.
Notes:
1. The program code assumes the screen coordinates are DirectX style that the
vertical direction is upside-down, so "top" and "bottom" actually represent bottom
and top, respectively.
Thanks for Habib Gahbiche (zazizizou) to polish and finalize this patch.
Reviewed By: jbakker
Differential Revision: https://developer.blender.org/D2411
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Although "Grid" may not be techincally correct since a grid could be 3D,
it was decided to rename the "Plane" primtive to "Grid". The primitive
node allows subdivisions, so the name is more consistent with the
operator in the 3D view.
Ref T86819
This commit includes a file subversion bump for the versioning.
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The exception is still Group and Layout to be consistent with the
other node editors. This could use a separator though.
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This adds a Clamp node for Geometry Nodes Attributes.
Supports both Min-Max and Range clamp modes.
Float, Vector, Color and Int data types supported.
Reviewed By: HooglyBoogly, simonthommes
Differential Revision: https://developer.blender.org/D10526
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This commit adds a node with a "Map Range" operation for attributes
just like the non-attribute version of the node. However, unlike the
regular version of the node, it also supports operations on vectors.
Differential Revision: https://developer.blender.org/D10344
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It makes more sense to avoid mixing the primitives with other mesh
operations. We considered adding a "Mesh" prefix to the names too,
but decided to prioritize improvements to the node search menu instead,
and only consider that if there is an overlapping prefix name for
another data type.
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Those nodes are leftovers from my work on particle nodes and are not needed currently.
They can be added back easily if they become necessary.
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Following concerns raised in the commit that changed the name initially,
rB2e19509e60b39837, it makes more sense to keep the "Surface" name for
this node because it has a specific meaning that should not be confused
with other types of subdivision.
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This commit includes nodes to build the following primitives:
- Cone
- Cylinder
- Circle
- Cube
- UV Sphere
- Ico Sphere
- Line
- Plane/Grid
In general the inputs are the same as the corresponding operators
in the 3D view.
**Line Primitive**
The line primitive has two modes-- adding vertices between two end
points, or adding vertices each at an offset from the start point.
For the former mode, there is a choice between a vertex count
and a distance between each point.
**Plane Primitive**
This commit includes the "Plane" and "Grid" primitives as one node.
Generally primitives are named after the simpler form of the shape they
create (i.e. "Cone" can make some more complex shapes). Also, generally
you want to tweak the number of subdivisions anyway, so defaulting to
plane is not an inconvenience. And generally having fewer redundant
base primitives is better.
**Future Improvements**
A following patch proposes to improve the speed of the cylinder, cone,
and sphere primitives: D10730. Additional possible future improvements
would be adding subdivisions to the cube node and rings to the cone
and cylinder nodes.
Differential Revision: https://developer.blender.org/D10715
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In the current implementation, cryptomatte passes are connected to the node
and elements are picked by using the eyedropper tool on a special pick channel.
This design has two disadvantages - both connecting all passes individually
and always having to switch to the picker channel are tedious.
With the new design, the user selects the RenderLayer or Image from which the
Cryptomatte layers are directly loaded (the type of pass is determined by an
enum). This allows the node to automatically detect all relevant passes.
Then, when using the eyedropper tool, the operator looks up the selected
coordinates from the picked Image, Node backdrop or Clip and reads the picked
object directly from the Renderlayer/Image, therefore allowing to pick in any
context (e.g. by clicking on the Combined pass in the Image Viewer). The
sampled color is looked up in the metadata and the actual name is stored
in the cryptomatte node. This also allows to remove a hash by just removing
the name from the matte id.
Technically there is some loss of flexibility because the Cryptomatte pass
inputs can no longer be connected to other nodes, but since any compositing
done on them is likely to break the Cryptomatte system anyways, this isn't
really a concern in practise.
In the future, this would also allow to automatically translate values to names
by looking up the value in the associated metadata of the input, or to get a
better visualization of overlapping areas in the Pick output since we could
blend colors now that the output doesn't have to contain the exact value.
Idea + Original patch: Lucas Stockner
Reviewed By: Brecht van Lommel
Differential Revision: https://developer.blender.org/D3959
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Currently (in geometry nodes) you can delete the group input or group
output nodes with no way to get them back without copy and paste. This
adds them to the "Group" submenu of the add menu so at least there is
a way to add them back.
Additionally, these nodes are moved to the "Group" submenu for all node
editors. This makes sense since they are not like the other input or
output nodes, they really just relate to how groups are organized.
Differential Revision: https://developer.blender.org/D10241
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The Attribute Convert node provides functionality to change attributes
between different domains and data types. Before it was impossible to
write to a UV Map attribute with the attribute math nodes since they
did not output a 2D vector type. This makes it possible to
"convert into" a UV map attribute.
The data type conversion uses the implicit conversions provided by
`\nodes\intern\node_tree_multi_function.cc`.
The `Auto` domain mode chooses the domain based on the following rules:
1. If the result attribute already exists, use that domain.
2. If the result attribute doesn't exist, use the source attribute domain.
3. Otherwise use the default domain (points).
See {T85700}
Differential Revision: https://developer.blender.org/D10624
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This patch adds a node, that removes an attribute if possible,
otherwise it adds an error message.
Differential Revision: https://developer.blender.org/D10697
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This makes the following changes to the name of the two
geometry nodes subvision nodes:
- `Subdivision Surface` -> `Subdivide Smooth`
- `Subdivision Surface Simple` -> `Subdivide`
Most of the benefit is that the names are shorter, but it also better
mirrors the naming of operations in edit mode, and phrases the names
more like actions. This was discussed with the geometry nodes team.
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Differential Revision: https://developer.blender.org/D10410
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This commit adds a simple string input node, intended for use in the
attribute workflow to make using the same attribute name in multiple
places easier. The node is function node similar to the existing vector
input node.
Ref T84971
Differential Revision: https://developer.blender.org/D10316
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Add the Simple subdivision option to Geometry nodes, as a new node
instead of part of the existing subdivision node because of future
backend changes to the Simple option. (See T85584)
https://developer.blender.org/D10409
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These are similar to the regular "Combine XYZ" and "Separate XYZ" nodes,
but they work on attributes. They will make it easier to switch between
vector attributes and float attributes.
Differential Revision: https://developer.blender.org/D10308
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This node takes a volume and generates a mesh on it's "surface".
The surface is defined by a threshold value.
Currently, the node only works on volumes generated by the
Points to Volume node. This limitation will be resolved soonish.
Ref T84605.
Differential Revision: https://developer.blender.org/D10243
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This node calculates a distance from each point to the closest position
on a target geometry, similar to the vertex weight proximity modifier.
Mapping the output distance to a different range can be done with an
attribute math node after this node.
A drop-down changes whether to calculate distances from points,
edges, or faces. In points mode, the node also calculates distances
from point cloud points.
Design task and use cases: T84842
Differential Revision: https://developer.blender.org/D10154
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This node outputs true when geometry nodes is currently evaluated
for the viewport and false for final renders.
Ref T85277.
Differential Revision: https://developer.blender.org/D10302
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Implements a node to get collection objects.
These objects are then passed along as instances in the node tree.
Follow up tasks:
Multiple nodes does not support instancing yet: T85159
Changing collection offset does not trigger a refresh: T85274
Reviewed By: Jacques, Dalai, Hans
Differential Revision: http://developer.blender.org/D10151
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This implements a new geometry node based on T84606.
It is the first node that generates a `VolumeComponent`.
Differential Revision: https://developer.blender.org/D10169
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This node allows sampling a texture for every vertex based on some
mapping attribute. Typical attribute names are the name of a uv map
(e.g. "UVMap") and "position". However, every attribute that can be
converted to a vector implicitly is supported.
It should be noted that as of right now, uv map attributes can only be
accessed after a Point Distribute node.
Ref T82584.
Differential Revision: https://developer.blender.org/D10121
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The translate node moves every point in the geometry, and the scale
node multiplies the "scale" attribute of the input geometry by its input.
While these operations are already possible with the "Attribute" nodes,
these new nodes fit nicely with the nodes specifically for changing the
"rotation" attribute that already exist, and they provide a simpler way
to do the same thing.
Differential Revision: https://developer.blender.org/D10100
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This adds a new Align Rotation to Vector node based on the mockup
in T83669.
Reviewers: HooglyBoogly, simonthommes
Differential Revision: https://developer.blender.org/D10081
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