Experimental:Math POP

Summary

The Math POP takes one attribute of its input, does some math operations, and outputs to any existing attribute or a new attribute.

The attribute you specify can be any type, including float2, float3, float4. For Input Attribute Scope you can specify a subset of the components, like P(1) P(0) which has the effect of re-ordering Y and X.

Math operation include simple Multiply and Add, as well as 30+ math functions including the trigonometry functions, exponential, log, power, and combining multiple components of an attribute into one like length().

The result can then be re-ranged (see the standalone ReRange POP and quantized (see the standalone Quantize POP).

If you set Parameter Size to 3 and your attribute is a float3 like P, then for each component of P you can have separate Multiply, Add and Operation parameters.

The Math POP operates on either point, vertex or primitive attributes.

Angle Units can be specified in degrees, radians or rotations (cycles). One cycle is 360 degrees or 6.283 (2 Pi) radians.

When creating new attribute, the Math POP will determine what data type it will be, but you can override it with the >>> expansion parameters. You can cause the output parameter to be integers.

mathPOP_Class

Parameters - Math Page

Attribute Class attrclass - ⊞ -

Point point -

Vertex vertex -

Primitive primitive -

Group group -

Input Attribute Scope inputattrscope -

Parameter Size parsize - ⊞ -

1 1 -

2 2 -

3 3 -

4 4 -

Pre Operation preoper - ⊞ -

None none -

abs(A) abs -

sign(A) sign -

sqrt(A) sqrt -

A * A square -

1 / A inverse -

round(A) round -

floor(A) floor -

ceil(A) ceil -

int(A) int -

fract(A) fract -

degrees(A) degrees -

radians(A) radians -

normalize(A) normalize -

exp10(A) exp10 -

exp2(A) exp2 -

exp(A) exp -

log10(A) log10 -

log2(A) log2 -

ln(A) ln -

sin(A) sin -

cos(A) cos -

tan(A) tan -

asin(A) asin -

acos(A) acos -

atan(A) atan -

dbtopow(A) dbtopow -

powtodb(A) powtodb -

dbtoamp(A) dbtoamp -

amptodb(A) amptodb -

length(A) length -

compadd(A) compadd -

compsub(A) compsub -

compmult(A) compmult -

compdiv(A) compdiv -

compavg(A) compavg -

compmin(A) compmin -

compmax(A) compmax -

Pre Add preadd -

Multiply mult -

Post Add postadd -

Post Operation postoper - ⊞ -

None none -

abs(A) abs -

sign(A) sign -

sqrt(A) sqrt -

A * A square -

1 / A inverse -

round(A) round -

floor(A) floor -

ceil(A) ceil -

int(A) int -

fract(A) fract -

degrees(A) degrees -

radians(A) radians -

normalize(A) normalize -

exp10(A) exp10 -

exp2(A) exp2 -

exp(A) exp -

log10(A) log10 -

log2(A) log2 -

ln(A) ln -

sin(A) sin -

cos(A) cos -

tan(A) tan -

asin(A) asin -

acos(A) acos -

atan(A) atan -

dbtopow(A) dbtopow -

powtodb(A) powtodb -

dbtoamp(A) dbtoamp -

amptodb(A) amptodb -

length(A) length -

compadd(A) compadd -

compsub(A) compsub -

compmult(A) compmult -

compdiv(A) compdiv -

compavg(A) compavg -

compmin(A) compmin -

compmax(A) compmax -

Map from Low fromlow -

Map from High fromhigh -

Map to Low tolow -

Map to High tohigh -

Quantize quantize - ⊞ -

Off off -

> 0 gt0 -

>= 0 gteq0 -

== 0 eq0 -

!= 0 neq0 -

<= 0 lteq0 -

< 0 lt0 -

Floor floor -

Round round -

Ceiling ceiling -

Cast to castto - ⊞ -

Automatic auto -

Float float -

Int int -

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 - Common Page

Bypass bypass -

Delete Input Attributes delinputattrs -

Parameter Color Space parmcolorspace - ⊞ - Controls how all color parameters on this node are interpreted. The color values as treated as being in the selected color space, and are converted to the Working Color Space before they are used as part of the node's operation. Note that this does not change the color space of the node itself, as that is always in the Working Color Space.

sRGB srgb - sRGB color space, with sRGB transfer function. Considered an SDR color space with respect to Reference White.

sRGB - Linear srgblinear - sRGB color space, with linear transfer function. Considered an SDR color space with respect to Reference White.

Rec.601 (NTSC) rec601ntsc - Rec.601 with NTSC primaries color space, with Rec.601 transfer function. Considered an SDR color space with respect to Reference White.

Rec.709 rec709 - Rec.709 color space, with Rec.709 (same as Rec.2020) transfer function. Considered an SDR color space with respect to Reference White.

Rec.2020 rec2020 - Rec.2020 color space, with Rec.2020 (same as Rec.709) transfer function. Considered an HDR color space with respect to Reference White.

DCI-P3 dcip3 - DCI-P3 color space, with D65 white point and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White.

DCI-P3 (D60) dcip3d60 - DCI-P3 "D60 sim" color space, with D60 white point, and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White.

Display-P3 (D65) displayp3d65 - Display-P3 color space, with D65 white point, and sRGB gamma transfer function. Considered an HDR color space with respect to Reference White.

ACES2065-1 aces2065-1 - ACES 2065-1 (also known as ACES AP0) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White.

ACEScg acescg - ACEScg (also known as ACES AP1) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White.

Passthrough passthrough - When selected, the color values will be used as-is in the operation, without any modification or attempt to convert them into the Working Color Space.

Parameter Reference White parmreferencewhite - ⊞ - When converting a parameter color value to the Working Color Space, this controls how it should be treated with respect to Reference White. If the Working Color Space is the same Reference White, then no adjustment is done. If they are different, then the Reference White level (brightness) of this color will be adjusted to the range expected by the Working Color Space. For example if the project is set to have a SDR Reference White of 120 nits, and the HDR Reference White is 80 nits, then a color of (1, 1, 1), which is 120 nits in the SDR color space, will be converted to be (1.5, 1.5, 1.5), which is 120 nits still in the HDR Working Color Space.

Default For Color Space default - Will use either the SDR or the HDR Reference White, based on the color space selected.

Standard (SDR) sdr - Will treat the Parameter Color Space as SDR for it's reference white value.

High (HDR) hdr - Will treat the Parameter Color Space as HDR for it's reference white value.

Operator Inputs

Input 0: -

Info CHOP Channels

Extra Information for the Math 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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