polySphericalProjection is undoable, queryable, and editable.
TpolyProjCmdBase is a base class for the command to create a mapping on the selected polygonal faces.
Projects a spherical map onto an object.
In query mode, return type is based on queried flag.
Long name (short name) |
Argument types |
Properties |
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Common poly modifier operation flags |
-caching(-cch)
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boolean
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Toggle caching for all attributes so that no recomputation is needed
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-constructionHistory(-ch)
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boolean
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Turn the construction history on or off (where applicable). If
construction history is on then the corresponding node will be
inserted into the history chain for the mesh. If construction history
is off then the operation will be performed directly on the object.
Note: If the object already has construction history then
this flag is ignored and the node will always be inserted into
the history chain.
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-createNewMap(-cm)
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boolean
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This flag when set true will create a new map with
a the name passed in, if the map does not already exist.
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-insertBeforeDeformers(-ibd)
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boolean
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This flag specifies if the projection node should be inserted before
or after deformer nodes already applied to the shape. Inserting the
projection after the deformer leads to texture swimming during
animation and is most often undesirable.
C: Default is on.
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-keepImageRatio(-kir)
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boolean
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True means keep any image ratio
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-mapDirection(-md)
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string
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This flag specifies the mapping direction.
'x', 'y' and 'z' projects the map along the corresponding axis.
'c' projects along the current camera viewing direction.
'p' does perspective projection if current camera is perspective.
'b' projects along the best plane fitting the objects selected.
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-name(-n)
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string
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Give a name to the resulting node.
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-nodeState(-nds)
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int
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Maya dependency nodes have 6 possible states.
The Normal (0), HasNoEffect (1), and Blocking (2) states can be
used to alter how the graph is evaluated.
The Waiting-Normal (3), Waiting-HasNoEffect (4), Waiting-Blocking (5)
are for internal use only. They temporarily shut off parts of the graph during interaction
(e.g., manipulation). The understanding is that once the operation is done,
the state will be reset appropriately, e.g. Waiting-Blocking will reset
back to Blocking.
The Normal and Blocking cases apply to all nodes, while
HasNoEffect is node specific; many nodes do not support this option.
Plug-ins store state in the MPxNode::state attribute. Anyone can set
it or check this attribute. Additional details about each of these 3 states follow.
State |
Description |
Normal |
The normal node state. This is the default. |
HasNoEffect |
The HasNoEffect option (a.k.a. pass-through), is used in cases where
there is an operation on an input producing an output of the same data type.
Nearly all deformers support this state, as do a few other nodes.
As stated earlier, it is not supported by all nodes.
It’s typical to implement support for the HasNoEffect state in
the node’s compute method and to perform appropriate operations.
Plug-ins can also support HasNoEffect.
The usual implementation of this state is to copy the input directly to the
matching output without applying the algorithm in the node. For deformers,
applying this state leaves the input geometry undeformed on the output.
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Blocking |
This is implemented in the depend node base class and applies to all nodes.
Blocking is applied during the evaluation phase to connections.
An evaluation request to a blocked connection will return as failures,
causing the destination plug to retain its current value. Dirty propagation
is indirectly affected by this state since blocked connections are never cleaned.
When a node is set to Blocking the behavior is supposed to be the same as
if all outgoing connections were broken. As long as nobody requests evaluation
of the blocked node directly it won’t evaluate after that. Note that a blocked
node will still respond to getAttr requests but a getAttr on a
downstream node will not reevaluate the blocked node.
Setting the root transform of a hierarchy to Blocking won’t automatically
influence child transforms in the hierarchy. To do this, you’d need to
explicitly set all child nodes to the Blocking state.
For example, to set all child transforms to Blocking, you could use the
following script.
import maya.cmds as cmds
def blockTree(root):
nodesToBlock = []
for node in {child:1 for child in cmds.listRelatives( root, path=True, allDescendents=True )}.keys():
nodesToBlock += cmds.listConnections(node, source=True, destination=True )
for node in {source:1 for source in nodesToBlock}.keys():
cmds.setAttr( '%s.nodeState' % node, 2 )
Applying this script would continue to draw objects but things would not be animated.
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Default: kdnNormal
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-perInstance(-pi)
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boolean
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True if the new map is per-instance, otherwise it is shared.
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-smartFit(-sf)
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boolean
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True means use the smart fit algorithm
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-worldSpace(-ws)
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boolean
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This flag specifies which reference to use.
If "on" : all geometrical values are taken in world reference.
If "off" : all geometrical values are taken in object reference.
C: Default is off.
Q: When queried, this flag returns an int.
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Flags from nodes |
-imageCenter(-ic)
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float float
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This flag specifies the center point of the 2D model layout.
C: Default is 0.5 0.5.
Q: When queried, this flag returns a float[2].
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-imageCenterX(-icx)
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float
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This flag specifies X for the center point of the 2D model layout.
C: Default is 0.5.
Q: When queried, this flag returns a float.
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-imageCenterY(-icy)
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float
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This flag specifies Y for the center point of the 2D model layout.
C: Default is 0.5.
Q: When queried, this flag returns a float.
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-imageScale(-is)
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float float
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This flag specifies the UV scale : Enlarges or reduces the 2D version of the model in U
or V space relative to the 2D centerpoint.
C: Default is 1.0 1.0.
Q: When queried, this flag returns a float[2].
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-imageScaleU(-isu)
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float
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This flag specifies the U scale : Enlarges or reduces the 2D version of the model in U space relative to the 2D centerpoint.
C: Default is 1.0.
Q: When queried, this flag returns a float.
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-imageScaleV(-isv)
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float
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This flag specifies the V scale : Enlarges or reduces the 2D version of the model in V space relative to the 2D centerpoint.
C: Default is 1.0.
Q: When queried, this flag returns a float.
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-projectionCenter(-pc)
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linear linear linear
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This flag specifies the origin point from which the map is projected.
C: Default is 0.0 0.0 0.0.
Q: When queried, this flag returns a float[3].
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-projectionCenterX(-pcx)
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linear
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This flag specifies X for the origin point from which the map is projected.
C: Default is 0.0.
Q: When queried, this flag returns a float.
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-projectionCenterY(-pcy)
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linear
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This flag specifies Y for the origin point from which the map is projected.
C: Default is 0.0.
Q: When queried, this flag returns a float.
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-projectionCenterZ(-pcz)
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linear
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This flag specifies Z for the origin point from which the map is projected.
C: Default is 0.0.
Q: When queried, this flag returns a float.
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-projectionHorizontalSweep(-phs)
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linear
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The angle swept horizontally by the projection. The range is [0, 360].
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-projectionScale(-ps)
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linear linear
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This flag specifies the width and the height of the map relative to the 3D projection axis.
C: Default is 180.0 90.0.
Q: When queried, this flag returns a float[2].
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-projectionScaleU(-psu)
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linear
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This flag specifies the width of the map relative to the 3D projection axis : the scale aperture. The range is [0, 360].
C: Default is 180.0.
Q: When queried, this flag returns a float.
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-projectionScaleV(-psv)
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linear
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This flag specifies the height of the map relative to the 3D projection axis : the scale height.
C: Default is 90.0.
Q: When queried, this flag returns a float.
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-radius(-r)
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linear
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Used by the UI : Manipulator.
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-rotate(-ro)
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angle angle angle
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This flag specifies the mapping rotate angles.
C: Default is 0.0 0.0 0.0.
Q: When queried, this flag returns a float[3].
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-rotateX(-rx)
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angle
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This flag specifies X mapping rotate angle.
C: Default is 0.0.
Q: When queried, this flag returns a float[3].
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-rotateY(-ry)
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angle
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This flag specifies Y mapping rotate angle.
C: Default is 0.0.
Q: When queried, this flag returns a float.
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-rotateZ(-rz)
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angle
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This flag specifies Z mapping rotate angle.
C: Default is 0.0.
Q: When queried, this flag returns a float.
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-rotationAngle(-ra)
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angle
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This flag specifies the rotation angle in the mapping space.
When the angle is positive, then the map rotates
counterclockwise on the mapped model, whereas when it is
negative then the map rotates clockwise on the mapped model.
C: Default is 10.0.
Q: When queried, this flag returns a float.
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-seamCorrect(-sc)
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boolean
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This flag specifies to perform a seam correction
on the mapped faces.
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