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Fixes issue T94603
It adds a new compositor node called Scene Time which is already present as a geo node, having the same basic nodes available in all node trees is a nice thing to have.
Renames "Time" node to "Time Curve", this is done to avoid confusion between the Time node and the Scene Time node.
Reviewed By: jbakker
Maniphest Tasks: T94603
Differential Revision: https://developer.blender.org/D13762
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Compositor node to convert between color spaces.
Conversion is skipped when converting between the same color spaces or to or from data spaces.
Implementation done for tiled and full frame compositor.
Reviewed By: Blendify, jbakker
Differential Revision: https://developer.blender.org/D12481
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Calculates the angle in radians between two faces that meet at an edge.
0 to PI in either direction with flat being 0 and folded over on itself PI.
If there are not 2 faces on the edge, the angle will be 0.
For valid edges, the angle is the same as the 'edge angle' overlay.
For the Face and Point domain, the node uses simple interpolation to calculate a value.
Differential Revision: https://developer.blender.org/D13366
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This function node creates a running total of a given Vector, Float, or
Int field.
Inputs:
- Value: The field to be accumulated
- Group Index: The values of this input are used to aggregate the input
into separate 'bins', creating multiple accumulations.
Outputs:
- Leading and Trailing: Returns the running totals starting
at either the first value of each accumulations or 0 respectively.
- Total: Returns the total accumulation at all positions of the field.
There's currently plenty of duplicate work happening when multiple outputs
are used that could be optimized by a future refactor to field inputs.
Differential Revision: https://developer.blender.org/D12743
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This patch refactors the instance-realization code and adds new functionality.
* Named and anonymous attributes are propagated from instances to the
realized geometry. If the same attribute exists on the geometry and on an
instance, the attribute on the geometry has precedence.
* The id attribute has special handling to avoid creating the same id on many
output points. This is necessary to make e.g. the Random Value node work
as expected afterwards.
Realizing instance attributes has an effect on existing files, especially due to the
id attribute. To avoid breaking existing files, the Realize Instances node now has
a legacy option that is enabled for all already existing Realize Instances nodes.
Removing this legacy behavior does affect some existing files (although not many).
We can decide whether it's worth to remove the old behavior as a separate step.
This refactor also improves performance when realizing instances. That is mainly
due to multi-threading. See D13446 to get the file used for benchmarking. The
curve code is not as optimized as it could be yet. That's mainly because the storage
for these attributes might change soonish and it wasn't worth optimizing for the
current storage format right now.
```
1,000,000 x mesh vertex: 530 ms -> 130 ms
1,000,000 x simple cube: 1290 ms -> 190 ms
1,000,000 x point: 1000 ms -> 150 ms
1,000,000 x curve spiral: 1740 ms -> 330 ms
1,000,000 x curve line: 1110 ms -> 210 ms
10,000 x subdivided cylinder: 170 ms -> 40 ms
10 x subdivided spiral: 180 ms -> 180 ms
```
Differential Revision: https://developer.blender.org/D13446
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This node outputs the current scene time in seconds or in frames.
Use of this node eliminates the need to use drivers to control values
in the node tree that are driven by the scene time.
Frame is a float value to provide for subframe rendering for motion
blur.
Differential Revision: https://developer.blender.org/D13455
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This node is a field input that outputs a separate index for each mesh island.
The indices are based on the order of the lowest-numbered vertex in each island.
Authoring help from @hooglyboogly
Differential Revision: https://developer.blender.org/D13504
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Creates a new Edge Neighbors node which outputs a field
containing the number of faces connected to each edge.
Differential Revision: https://developer.blender.org/D13493
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This adds a new Geometry to Instance node that turns every
connected input geometry into an instance. Those instances
can for example be used in the Instance on Points node.
Differential Revision: https://developer.blender.org/D13500
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Creates 4 new nodes which provide topology information
for the mesh. Values are interpolated from the primary
domain in each case using basic attribute interpolation.
Vertex Neighbors
- Vertex Count
- Face Count
Face Neighbors
- Vertex Count
- Neighboring Face Count
Edge Vertices
- Vertex Index 1
- Vertex Index 2
- Position 1
- Position 2
Face Area
- Face Area
Differential Revision: https://developer.blender.org/D13343
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This node calculates the dual of the input mesh. This means that faces
get replaced with vertices and vertices with faces. In principle this
only makes sense when the mesh in manifold, but there is an option to
keep the (non-manifold) boundaries of the mesh intact.
Attributes are propagated:
- Point domain goes to face domain and vice versa
- Edge domain and Face corner domain gets mapped to itself
Because of the duality, when the mesh is manifold, the attributes get
mapped to themselves when applying the node twice.
Thanks to Leul Mulugeta (@Leul) for help with the
ascii diagrams in the code comments.
Note that this does not work well with some non-manifold geometry,
like an edge connected to more than 2 faces, or a vertex connected to
only two faces, while not being in the boundary. This is because there
is no good way to define the dual at some of those points. This type
of non-manifold vertices are just removed for this reason.
Differential Revision: https://developer.blender.org/D12949
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Replace compare floats node with a generalized compare node. The node
allows for the comparison of float, int, string, color, and vector.
The datatypes support the following operators:
Float, Int: <, >, <=, >=, ==, !=
String: ==, !=
Color: ==, !=, lighter, darker
(using rgb_to_grayscale value as the brightness value)
Vector Supports 5 comparison modes for: ==, !=, <, >, <=, >=
Average: The average of the components of the vectors are compared.
Dot Product: The dot product of the vectors are compared.
Direction: The angle between the vectors is compared to an angle
Element-wise: The individual components of the vectors are compared.
Length: The lengths of the vectors are compared.
Differential Revision: https://developer.blender.org/D13228
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- Rename the Curve Parameter node to Spline Parameter.
- Add "Index on Spline" to the node. This output is the index of
the current point on it's parent spline rather than the entrire curve.
Differential Revision: https://developer.blender.org/D13275
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The Domain Size node has a single geometry input and a selection for
the component type. Based on the component chosen, outputs containing
single values for the related domains are shown.
Mesh:
- Point Count
- Edge Count
- Face Count
- Face Corner Count
Curve:
- Point Count
- Spline Count
Point Cloud:
- Point Count
Instances:
- Instance Count
Differential Revision: https://developer.blender.org/D13365
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These nodes allow accessing and changing the stable/random ID used
for motion blur with instances and stable randomness.
Since rB40c3b8836b7a, the stable ID is a built-in attribute, so to be
consistent and allow changing it in the node tree like other built-in
attributes, it has get and set nodes.
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In future use cases, a volume can contain many grids that represent the
density information. In this case, it's better if the volume to mesh node
creates a mesh based on all of the grids in the volume.
This is also a benefit to share-ability, since one doesn't have to
specify the grid name in the node. Instead, in the future we can have
a way to split particular grids into separate volumes, if only one
grid should be considered.
The code changes are relatively simple:
- Move the old volume to mesh node to the legacy folder.
- Run the volume to mesh node on all instance geometry, like elsewhere.
- Make the blenkernel's volume to mesh API a bit more specific.
Differential Revision: https://developer.blender.org/D12997
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The viewer node has been expanded to have a field input next to the
geometry input. When both are connected (by ctrl+shift clicking on a node)
the spreadsheet will show the evaluated field on the geometry.
The operator to link to the viewer has become a bit smarter. It automatically
detects if it should link to the geometry or field input. In the future some more
smartness could be added, such as automatically relinking the "right" geometry
when viewing a field.
Internally, there are two major changes:
* Refactor of what happens when ctrl+shift clicking on a node to link to
a viewer. The behavior of the geometry nodes viewer is a bit more complex
than that of the compositor viewers. The behavior in compositing nodes
should not have changed. Any change should be reported as a bug (and then
we can decide if it's worse than before or if it needs fixing).
* Evaluation, display and caching of fields in the spreadsheet editor.
Differential Revision: https://developer.blender.org/D12938
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This adds a new image texture node for geometry nodes. It does not
reuse the same node that is used in shading, because we want to be
able to expose the image and frame as sockets.
There is a known update issue when a movie or image sequence is
used. That will be fixed separately (also see D12957).
Currently, the image socket is just a pointer to an Image ID data block.
This can contain single images but also movies and image sequences.
In the future, the definition of an image socket can be expanded to
include images that are generated from scratch in the node tree.
For more details read the discussion in D12827.
Some of the code is a direct port from cycles and should be cleaned
up a bit in the future. For example `image_cubic_texture_lookup`.
For still images, the frame input is ignored. Otherwise, the frame
has to be in a valid range for the node to work. In the future we
may add e.g. automatic looping functionality.
Differential Revision: https://developer.blender.org/D12827
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This patch renames the node "String Substring" to "Slice String"
to conform to the "verb first" naming convention.
Default length is also changed to 10 to make it easier for users
to understand what the node does.
Reviewed By: HooglyBoogly
Differential Revision: https://developer.blender.org/D12931
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This node takes a geometry set with instances as input and outputs
points located on the origins of the top level of instances in the
geometry set (not nested instances). It also has position and radius
inputs to allow overriding the default, and a selection input to only
generate points for some instances.
The use case for this node is a method to use geometry proximity on
instance origins, but in a more generic way that is flexible and useful
in other situations.
Differential Revision: https://developer.blender.org/D12893
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These nodes just output a single value of their respective types,
making it possible to control multiple inputs with the same value.
Differential Revision: https://developer.blender.org/D12932
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This commit adds an updated version of the curve to points that
supports fields. Only the position and radius are transferred
by default now, which should improve performance. The other outputs
like tangent and rotation are outputted with anonymous attributes.
I took the opportunity to change a few other small things:
- Name geometry sockets "Curve" and "Points" like other nodes.
- Remove the radius multiple of 0.1, which was confusing.
Thanks to @Johnny Matthews (guitargeek) for an initial patch.
Differential Revision: https://developer.blender.org/D12887
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This commit adds a node that can be used to find and replace strings
inside of the input string. One initial use case is to have an easier
way to add line breaks to strings to the string to curves node.
Differential Revision: https://developer.blender.org/D12721
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This patch includes an updated version of the raycast node that uses
fields instead of attributes for inputs instead of outputs. This makes
the node's UI much clearer. It should be faster too, since the
evaluation system for fields provides multi-threading.
The source position replaces the input geometry (since this node is
evaluated in the context of a geometry like the other field nodes).
Thanks to @guitargeek for an initial version of this patch.
Differential Revision: https://developer.blender.org/D12638
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The Endpoint Selection node allows for the Selection of an aribitrary
number of endpoints from each spline in a curve. The start and end
inputs are evaluated on the spline domain. The result is outputted
as a boolean field on the point domain.
Differential Revision: https://developer.blender.org/D12846
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Replaces the old Subdivision Surface Node.
Changes:
- Removes implicit instance realization, instead the node runs once
per unique instance.
- "Use Creases" becomes a crease field input applied to edges.
The values are clamped between zero and one.
Addresses T91763
Differential Revision: https://developer.blender.org/D12830
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This commit adds an updated version of the old attribute transfer node.
It works like a function node, so it works in the context of a
geometry, with a simple data output.
The "Nearest" mode finds the nearest element of the specified domain on
the target geometry and copies the value directly from the target input.
The "Nearest Face Interpolated" finds the nearest point on anywhere on
the surface of the target mesh and linearly interpolates the value on
the target from the face's corners.
The node also has a new "Index" mode, which can pick data from specific
indices on the target geometry. The implicit default is to do a simple
copy from the target geometry, but any indices could be used. It is also
possible to use a single value for the index to to retrieve a single
value from an attribute at a certain index.
Differential Revision: https://developer.blender.org/D12785
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Re-alphabetize the main add menu.
Rename Node ID Names:
FloatCompare => CompareFloats
AttributeCapture => CaptureAttribute
Boolean => MeshBoolean
CurveFill => FillCurve
CurveFillet => FilletCurve
CurveReverse => ReverseCurve
CurveSample => SampleCurve
CurveResmaple => ResampleCurve
CurveSubdivide => SubdivideCurve
CurveTrim => TrimCurve
MaterialReplace => ReplaceMaterial
MeshSubdivide => SubdivideMesh
EdgeSplit => SplitEdges
Differential Revision: https://developer.blender.org/D12865
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This commit adds a fields version of the mesh to curve node, with a
field for the input selection. In order to reduce code duplication,
it adds the mesh to curve conversion to the new geometry module
and calls that implementation from both places.
More details on the geometry module can be found here: T86869
Differential Revision: https://developer.blender.org/D12579
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This changes the edge split node to have a selection input, which is
more aligned with the other design changes. This loses the ability to
split edges based on an angle, but the edge angle can be added as a
field input node in the future, which will make for a much more
flexible system.
Differential Revision: https://developer.blender.org/D12829
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Adds a node that can rotate each of a geometry's instances in global
(to the modifier object) or local space (of each point) by a specified
angle around a pivot point.
In the future, separating the local-global choice for the pivot and the
rotation might be useful. However, for now the node is kept simple.
Differential Revision: https://developer.blender.org/D12682
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Adds a node that can scale a geometry's instances. With "Local" turned
on, the instance is scaled individually from the center point input,
while when local space is turned off, it's more like the transform
node, except it scales outward from the center point instead of only
from the origin.
Differential Revision: https://developer.blender.org/D12681
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Adds a node that can translate instances in the transform space of
the modifier object, or the local space of their original transform.
One reason to have a special node for instances is that they always
have the existing transform, unlike mesh or point cloud points.
Differential Revision: https://developer.blender.org/D12679
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Add Get/Set Nodes for Material Index
Rename Assign Material to Set Material
Differential Revision: https://developer.blender.org/D12837
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Adds a color input node with picker.
Differential Revision: https://developer.blender.org/D12793
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This commit implements T91780, adding nodes to get and set builtin
attributes. Individual set nodes are used so that the values can be
exposed for direct editing, which is useful for attributes like shade
smooth and spline resolution. Individual input nodes are used to allow
reusing nodes for multiple components, and to allow grouping multiple
outputs conceptually in the same node in the future.
Input Nodes
- Radius
- Curve Tilt
- Curve Handle Positions
- Is Shade Smooth
- Spline Resolution
- Is Spline Cyclic
'Set' Nodes
- Curve Radius
- Point Radius
- Curve Tilt
- Curve Handle Positions
- Is Shade Smooth
- Spline Resolution
- Is Spline Cyclic
Using hardcoded categories is necessary to add separators to the node
menu.
Differential Revision: https://developer.blender.org/D12687
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Attribute Capture => Capture Attribute
Curve Fill => Fill Curve
Curve Fillet => Fillet Curve
Curve Reverse => Reverse Curve
Curve Sample => Sample Curve
Curve Subdivide => Subdivide Curve
Curve Trim => Trim Curve
Material Assign => Assign Material
Material Replace => Replace Material
Mesh Subdivide => Subdivide Mesh
Float Compare => Compare Float
Boolean => Mesh Boolean
Differential Revision: https://developer.blender.org/D12798
Task: https://developer.blender.org/T91682
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Delete Geometry:
This adds a copy of the old node in the legacy folder and updates the
node to work with fields. The invert option is removed, because it is
something that should be very easy with fields, and to be consistent
with other nodes which have a selection. There is also a dropdown to
select the domain, because the domain can't be determined from the
field input. When the domain does not belong on any of the components
an info message is displayed.
Separate Geometry:
A more general version of the old Point Separate node. The "inverted"
output is the same as using the delete geometry node.
Differential Revision: https://developer.blender.org/D12574
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This commit introduces the Align Euler to Vector function node which
rotates to a body into a given direction. The node replaces the legacy
"Align Rotation to Vector" node, which only worked on an attribute
named `rotation` internally. The "Euler" in the name is meant to make
it clearer that the rotation isn't interchangeable with a regular
vector.
Addresses T91374.
Differential Revision: https://developer.blender.org/D12726
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Rename the "String Join" node to "Join Strings" to
go with the verb first naming convention.
Differential Revision: https://developer.blender.org/D12678
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This node creates a boolean field selection of bezier spline points
that have a handle of the given type on the selected 'side' of the
contol point. This is evaluated on the point domain.
Differential Revision: https://developer.blender.org/D12559
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This update of the Points to Volume node allows a field to populate the
radius input of the node and removes the implicit realization of
instances.
Differential Revision: https://developer.blender.org/D12531
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This commit introduces the Rotate Euler function node which modifies
an input euler rotation. The node replaces the "Point Rotate" node.
Addresses T91375.
Differential Revision: https://developer.blender.org/D12531
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This update of the Set Handle Type node allows for a bool field to be
used as the selection of the affected control point handles for
bezier splines. If no bezier splines are provided a info message is
shown.
Differential Revision: https://developer.blender.org/D12526
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This update of the Set Spline Type node allows for a bool field to be
used as the selection of the affected splines.
Differential Revision: https://developer.blender.org/D12522
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The Spline Length Input node provides a field containing the
length of the current evaluated spline to the Point and Spline
domains.
Differential Revision: https://developer.blender.org/D12706
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The curve subdivide node can now take an int field to specify the
number of subdivisions to make at each curve segment.
Reviewed by: Hans Goudey
Differential Revision: https://developer.blender.org/D12534
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Replacement for float curve in legacy Attribute Curve Map node.
Float Curve defaults to [0.0-1.0] range.
Reviewed By: JacquesLucke, brecht
Differential Revision: https://developer.blender.org/D12683
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