Experimental:Transform POP

Summary

The Transform POP applies a translate, rotate and scale to the position (attribute P) and normal (attribute N) of all the points of the input.

It can apply the transform to any float3 attribute, not just P, and then output to any existing or new float3 attribute, by default P. It can apply the transform to point, vertex or primitive attributes.

It can apply partial transforms to the points based on a 0 to 1 Weight attribute so that some parts of the geometry are affected and other parts not transformed. The Field POP can generate a Weight attribute to be used by Transform.

Furthermore, using the Map page, every point can receive a different value for the transform parameter, based on mapping incoming attributes to the translate, scale, rotate, pivot etc. parameters, So essentially every point can get a completely different transform.

A further transform can be applied by specifying a Look At component (typically a Null COMP or Geometry COMP), and choosing which axis points to the origin of that component.

Another transform may be applied by providing a 16-value transform matrix via a CHOP or DAT.

The order of applying the translate, rotate and scale parameters is determined by the Transform Order and the Rotate Order menus.

The Inverse toggle parameter applies an inverse of the transform specified. (Instead of tx=2 ry=50 sz=4, the equivalent of sz=.25, ry=-50 tx=-2)

On the Align page there are numerous options for aligning the X, Y or Z coordinate to the different sides/center of the input's bounding box or to the bounding box of a reference POP.

Parameters - Transform Page

Mode mode - ⊞ -

Transform Geometry transformgeo -

Transform Attribute transformattrib -

Transform Attribute Scope as Position transformattribscopepos -

Transform Attribute Scope as Vector transformattribscopevec -

Transform Attribute transformattr -

Transform Attribute Scope as Position transformattrscopepos -

Transform Attribute Scope as Vector transformattrscopevec -

Attribute Class attrclass - ⊞ -

Point point -

Vertex vertex -

Primitive primitive -

Input Attribute (Scope) inputattrscope -

Group group -

Weight Attribute weightattr -

Transform Order xord - ⊞ -

Scale Rotate Translate srt -

Scale Translate Rotate str -

Rotate Scale Translate rst -

Rotate Translate Scale rts -

Translate Scale Rotate tsr -

Translate Rotate Scale trs -

Rotate Order rord - ⊞ -

Rx Ry Rz xyz -

Rx Rz Ry xzy -

Ry Rx Rz yxz -

Ry Rz Rx yzx -

Rz Rx Ry zxy -

Rz Ry Rx zyx -

Translate t - ⊞ -

Translate tx -

Translate ty -

Translate tz -

Rotate r - ⊞ -

Rotate rx -

Rotate ry -

Rotate rz -

Scale s - ⊞ -

Scale sx -

Scale sy -

Scale sz -

Pivot p - ⊞ -

Pivot px -

Pivot py -

Pivot pz -

Uniform Scale scale -

Invert invert -

Vectors Maintain Length vlength -

Look At lookat -

Up Vector upvector - ⊞ -

Up Vector upvectorx -

Up Vector upvectory -

Up Vector upvectorz -

Forward Direction forwarddir - ⊞ -

+X posx -

-X negx -

+Y posy -

-Y negy -

+Z posz -

-Z negz -

Xform Matrix/CHOP/DAT xformmatrixop -

Multiply Order multiplyorder - ⊞ -

Input, then Transform Page inputxformpage -

Transform Page, then Input xformpageinput -

Output Attribute (Scope) outputattrscope - ⊞ -

P P -

N N -

Color Color -

Color.i012 Color.i012 -

Tex Tex -

PointScale PointScale -

LineWidth LineWidth -

Override Automatic Attribute overrideautoattr -

New Attribute Type newattrtype - ⊞ -

float float -

double double -

int int -

uint uint -

dir dir -

dbl dir ddir -

New Attribute Number of Components attrnumcomps - ⊞ -

1 1 -

2 2 -

3 3 -

4 4 -

New Attribute Default Value newattrdefaultval - ⊞ -

New Attribute Default Value newattrdefaultval1 -

New Attribute Default Value newattrdefaultval2 -

New Attribute Default Value newattrdefaultval3 -

New Attribute Default Value newattrdefaultval4 -

Parameters - Align Page

Align Transform Order alignxformorder - ⊞ -

Transform, then Align transformalign -

Align, then Transform aligntransform -

Align Operation Order alignopord - ⊞ -

Scale Translate st -

Translate Scale ts -

Align Translate X aligntx - ⊞ -

Off off -

Origin origin -

Reference Input reference -

From Input fromx - ⊞ -

Min min -

Center center -

Max max -

To Reference tox - ⊞ -

Min min -

Center center -

Max max -

Align Translate Y alignty - ⊞ -

Off off -

Origin origin -

Reference Input reference -

From Input fromy - ⊞ -

Min min -

Center center -

Max max -

To Reference toy - ⊞ -

Min min -

Center center -

Max max -

Align Translate Z aligntz - ⊞ -

Off off -

Origin origin -

Reference Input reference -

From Input fromz - ⊞ -

Min min -

Center center -

Max max -

To Reference toz - ⊞ -

Min min -

Center center -

Max max -

Align Scale alignscale - ⊞ -

Per Axis peraxis -

Unity unity -

Reference reference -

Align Scale X alignscalex - ⊞ -

Off off -

Unity unity -

Reference Input reference -

Unity Proportional unityprop -

Reference Proportional referenceprop -

Align Scale Y alignscaley - ⊞ -

Off off -

Unity unity -

Reference Input reference -

Unity Proportional unityprop -

Reference Proportional referenceprop -

Align Scale Z alignscalez - ⊞ -

Off off -

Unity unity -

Reference Input reference -

Unity Proportional unityprop -

Reference Proportional referenceprop -

Parameters - Map Page

Mapping map -

OP map0op -

Element map0element -

Parameter map0parm - ⊞ -

t (Translate) t -

tx tx -

ty ty -

tz tz -

r (Rotate) r -

rx rx -

ry ry -

rz rz -

s (Scale) s -

sx sx -

sy sy -

sz sz -

p (Pivot) p -

px px -

py py -

pz pz -

scale (Uniform Scale) scale -

Combine Operation map0combineop - ⊞ -

Set set -

Multiply mult -

Add add -

Parameters - Common Page

Bypass bypass -

Delete Input Attributes delinputattrs -

Operator Inputs

Input 0: -
Input 1: -

Info CHOP Channels

Extra Information for the Transform POP can be accessed via an Info CHOP.

Common POP Info Channels

Common Operator Info Channels

total_cooks - Number of times the operator has cooked since the process started.

cook_time - Duration of the last cook in milliseconds.

cook_frame - Frame number when this operator was last cooked relative to the component timeline.

cook_abs_frame - Frame number when this operator was last cooked relative to the absolute time.

cook_start_time - Time in milliseconds at which the operator started cooking in the frame it was cooked.

cook_end_time - Time in milliseconds at which the operator finished cooking in the frame it was cooked.

cooked_this_frame - 1 if operator was cooked this frame.

warnings - Number of warnings in this operator if any.

errors - Number of errors in this operator if any.

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