# Angle CHOP

## Summary

The Angle CHOP is a general purpose converter between degrees, radians, quaternions and vectors. Different formats assume a specific ordering of input channels.

## Parameters - Angle Page

Input Units `inunit` - - Units of incoming channels:

• Degrees `degrees` -
• Radians `radians` - (a radian is 57.29 degrees, with 3.14 (Pi) radians in a half-circle).
• Quaternions `quaternions` - Input is 4 channels consisting of x, y, z, and w values.
• Two Vectors `twovectors` - Input is 6 channels comprising of x, y, z of one vector, followed by x, y, z of 2nd orthogonal vector.

Input Order `inorder` - - The order that rotation angles are assumed to be applied in (Euler angles as they are called). Applicable when converting to and from Quaternions or Vectors.

• Rx Ry Rz `xyz` -
• Rx Rz Ry `xzy` -
• Ry Rx Rz `yxz` -
• Ry Rz Rx `yzx` -
• Rz Rx Ry `zxy` -
• Rz Ry Rx `zyx` -

Output Units `outunit` - - Units of outgoing channels:

• Degrees `degrees` -
• Radians `radians` -
• Quaternions `quaternions` -
• Two Vectors `twovectors` -

Output Order `outorder` - - The order that rotation angles are assumed to be applied in (Euler angles as they are called). Applicable when converting to and from Quaternions or Vectors.

• Rx Ry Rz `xyz` -
• Rx Rz Ry `xzy` -
• Ry Rx Rz `yxz` -
• Ry Rz Rx `yzx` -
• Rz Rx Ry `zxy` -
• Rz Ry Rx `zyx` -

## Parameters - Common Page

Time Slice `timeslice` - Turning this on forces the channels to be "Time Sliced". A Time Slice is the time between the last cook frame and the current cook frame.

Scope `scope` - To determine which channels get affected, some CHOPs use a Scope string on the Common page. See Pattern Matching.

Sample Rate Match `srselect` - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or "Linear" if the Interpolate Options are not available.

• Resample At First Input's Rate `first` - Use rate of first input to resample others.
• Resample At Maximum Rate `max` - Resample to the highest sample rate.
• Resample At Minimum Rate `min` - Resample to the lowest sample rate.
• Error If Rates Differ `err` - Doesn't accept conflicting sample rates.

Export Method `exportmethod` - - This will determine how to connect the CHOP channel to the parameter. Refer to the Export article for more information.

• DAT Table by Index `datindex` - Uses the docked DAT table and references the channel via the index of the channel in the CHOP.
• DAT Table by Name `datname` - Uses the docked DAT table and references the channel via the name of the channel in the CHOP.
• Channel Name is Path:Parameter `autoname` - The channel is the full destination of where to export to, such has `geo1/transform1:tx`.

Export Root `autoexportroot` - This path points to the root node where all of the paths that exporting by Channel Name is Path:Parameter are relative to.

Export Table `exporttable` - The DAT used to hold the export information when using the DAT Table Export Methods (See above).

• Input 0: -

## Info CHOP Channels

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

### Common CHOP Info Channels

• start - Start of the CHOP interval in samples.
• length - Number of samples in the CHOP.
• sample_rate - The samplerate of the channels in frames per second.
• num_channels - Number of channels in the CHOP.
• time_slice - 1 if CHOP is Time Slice enabled, 0 otherwise.
• export_sernum - A count of how often the export connections have been updated.

### 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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