Crack image Attributes
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Draw cracks
type | bool |
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default | True |
Draw the extrapolated splines on the crack plane.
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Crack plane indices
Like with the split plane feature, a user can create more than one plane with which to project a crack image through. By default there is a single crack node available. More can be added and are indexed starting at 0. Each crack plane index has its own instance of attributes, covered below, to allow for individual adjustment of attributes on a per plane basis.
The Attribute Editor example below shows that the current node has 3 crack image planes. The first one (0) is expanded to illustrate the available attributes for each crack image plane.
When connected, each of these nodes can be found in the Outliner. By default the naming convention is "crack#".
Transform
type | string |
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Connect] button will generate the node. If, at any time, the source geometry is scaled the [Crack_image_Attributes#Refit|Refit] button will scale to the largest bounding box axis. |
Crack image
type | color |
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Attribute that the input image will be connected to. On a new crack image node there won't yet be in image connect. Clicking the Paint button will immediately put in you into paint mode. This artisan mode will allow a user to paint (in black&white) on the plane node to define the fracture pattern that will be projected through the mesh.
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Image threshold
type | float |
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default | 0.5 |
minimum | 0.0 |
maximum | 1.0 |
Minimum pixel value to create a spline from. The image below was applied to a crack image. The pixel values of each line, from left to right, are: 20, 40, 60, 80, and 100
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Erase path distance
type | float |
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default | 0.0 |
minimum | 0.0 |
Erase paths shorter than this distance in pixels. |
Reduction tolerance
type | float |
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default | 2.0 |
minimum | 0.0 |
Merge distance in pixels. |
Non-uniform refit
type | bool |
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default | False |
TODO: description |
Buttons
There are handful of buttons that are located within the crack image attribute group.
Connect
Create, and connect, a sketchPlane node that will be used to paint on before projecting the cracks onto the mesh.
Refit
Scales a sketchPlane up to match the largest dimension of the objects bounding box.
Paint
Initiates Maya Artisan mode to allow a user to paint on the sketchPlane node.
Delete
Deletes the current crack image and its associated sketchPlane node.
Add
Creates a new crack image group. The sketchPlane node is not connected until the Connect button is used.