Pattern POP

Summary

The Pattern POP is a generator that makes simple line strip shapes using elementary math functions in X, Y and Z. Alternately it can add a new attribute to an input POP using the elementary math functions.

The math functions include sine, cos, triangles, square waves, as well as ease in/out and random. Parameters control phase, repeats and re-ranging.

The Pattern POP can:

make one or more 3D line strips generating a P attribute containing a different curve in X, Y and Z. (it can create Tex at the same time). (generator)
add a new attribute (1-4 components) to an input POP, each component containing a separate type of curve. (filter)
modify an existing attribute of an input POP by adding/multiplying the curve to it. (filter)
create a POP that has no P attribute - just a curve in a new attribute. (generator)

Parameters - Pattern Page

Number of Points numpoints - Sets the number of points.

Cyclic cyclic - Enable having completes cycle correspond to Number of Points + 1 values.

Connectivity connectivity - ⊞ - Determines whether and how to connect the points.

None none -

Line Strip linestrip -

Lines lines -

Point Prims points -

Parameter Size parsize - ⊞ - Number of independent configurable parameter values.

1 1 -

2 2 -

3 3 -

4 4 -

Type type - ⊞ - Determines the pattern type.

Type type0 - Determine the pattern type.

Type type1 -

Type type2 -

Seed seed - Numerical value that initializes the randomization.

Number of Cycles numcycles - ⊞ - Set the number of repeating cycles of the Type shapes over the Length, except for Random.

Number of Cycles numcycles0 - Number of cycles.

Number of Cycles numcycles1 - Number of cycles.

Number of Cycles numcycles2 - Number of cycles.

Step per Cycle steppercycle - ⊞ - Step added to each cycle.

Step per Cycle steppercycle0 -

Step per Cycle steppercycle1 -

Step per Cycle steppercycle2 -

Bias bias - ⊞ - Makes Triangle type into a sawtooth wave, and sets the Square type variable-width.

Bias bias0 -

Bias bias1 -

Bias bias2 -

Phase phase - ⊞ - Shifts the cycle.

Phase phase0 - Shifts the cycle.

Phase phase1 - Phase shift of pattern.

Phase phase2 - Phase shift of pattern.

Exponent exp - ⊞ - Sets the exponent. The internal value is raised by the power of the exponent

Exponent exp0 -

Exponent exp1 -

Exponent exp2 -

Map from Low fromlow - ⊞ - Reranges the attribute value.

Map from Low fromlow0 -

Map from Low fromlow1 -

Map from Low fromlow2 -

Map from High fromhigh - ⊞ - Reranges the attribute value.

Map from High fromhigh0 -

Map from High fromhigh1 -

Map from High fromhigh2 -

Map to Low tolow - ⊞ - Reranges the attribute value.

Map to Low tolow0 -

Map to Low tolow1 -

Map to Low tolow2 -

Map to High tohigh - ⊞ - Reranges the attribute value.

Map to High tohigh0 -

Map to High tohigh1 -

Map to High tohigh2 -

Reverse reverse - ⊞ - Enable reverse order.

Reverse reverse0 -

Reverse reverse1 -

Reverse reverse2 -

Line Break Each Cycle linebreakcycle - ⊞ - When on, creates a line break at each cycle.

Line Break Each Cycle linebreakcycle0 -

Line Break Each Cycle linebreakcycle1 -

Line Break Each Cycle linebreakcycle2 -

Closed closed - The last vertex is connected to the first vertex.

Output Line Break Attribute outputlinebreakattr - Whether to output a LineBreak attribute.

Texture Coordinates texture - ⊞ - Sets the texture coordinate mode relative to the cylcles.

Off off -

Ramp Start to End rampstartend -

Ramp Per Cycle ramppercycle -

Combine Operation combineop - ⊞ - Specify how to combine the output value with the combine attribute value.

Set set -

Add add -

Multiply mult -

Combine Attribute Scope combineattrscope - Input attribute scope for the combine operation.

Output Attribute Scope outputattrscope - ⊞ - Name of attribute to output (can choose components of attribute), can choose from menu.

P P -

N N -

Color Color -

Color.rgb Color.rgb -

Tex Tex -

PointScale PointScale -

LineWidth LineWidth -

Override Automatic Attribute overrideautoattr - Whether to override the kind of attribute automatically created based on the POP input and parameters. Allows to specify manually the type and number of components of the new attribute.

Attribute Type attrtype - ⊞ - The output attribute's data type, default float.

float float -

double double -

int int -

uint uint -

Color color -

Color (double) dcolor -

Direction dir -

Direction (double) ddir -

Components attrnumcomps - ⊞ - The number of components in the new custom attribute.

1 1 -

2 2 -

3 3 -

4 4 -

Default Value attrdefaultval - ⊞ - Default values of the output attribute components if they cannot be computed.

Default Value attrdefaultval0 - Default value(s) of the attribute.

Default Value attrdefaultval1 - Default value(s) of the attribute.

Default Value attrdefaultval2 - Default value(s) of the attribute.

Default Value attrdefaultval3 - Default value(s) of the attribute.

Attribute Class attrclass - ⊞ - Makes the POP operate on point attributes, vertex attributes or primitive attributes where applicable.

Point point -

Vertex vertex -

Primitive primitive -

Group group - If there are input groups, specifying a group name in this field will cause this POP to act only upon the group specified.

Parameters - Common Page

Bypass bypass - Pass through the first input to the output unchanged.

Free Extra GPU Memory freeextragpumem - Free memory that has accumulated when output memory has grown and shrunk.

Delete Input Attributes delinputattrs - Only output which attributes you specify in this POP - helps isolate attributes into a separate branch.

Operator Inputs

Input 0: -

Info CHOP Channels

Extra Information for the Pattern 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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