# Convert

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Right-clicking on a value in the Parameters dialog brings up a context menu which has a sub-menu called "Convert". The "Convert" menu allows you to specify that the parameter should be controlled automatically in various ways. Depending on the type of the parameter the Convert menu will contain different options.

To convert the value back to its original type, select "Disconnect" from its context menu.

Angle values can be converted to linear, reference, scale, and subtract types.

BLine values can be converted to bline, dynamic_list, and reference types.

Bool values can only be converted to the reference type.

Color values can be converted to composite, radial_composite, reference, scale, and subtract types.

Integer values can be converted to reference, scale, and subtract types.

RadialComposite values (like tangents) can be converted to the same types as vector values can (see below).

Real values can be converted to linear, reference, scale, sine, and subtract types.

Vector values can be converted to composite, linear, radial_composite, reference, scale, segcalctangent, segcalcvertex, and subtract types.

## bline

Converting a parameter to "bline" doesn't seem to change anything. Perhaps that's the default type for lists of verticies, such as are found in outlines and regions?

## composite

Converting a parameter to "composite" adds four real-valued sub-parameters called "Red", "Green", "Blue", and "Alpha".

## dynamic_list

Converting a parameter to "dynamic_list" seems to replace each of the "Vertex NNN" sub-parameters with "Item NNN" parameters which can't be expanded, but can be exported.

## linear

Converting a real parameter to be 'linear' adds two real-valued sub-parameters "Rate" and "Offset" for controlling the parameter's value.

The parameter's value will change linearly over time, start with the value specified by "Offset" at time zero, and increasing by the value specified by "Rate" every second.

However, converting a vector parameter to be 'linear' adds two vector sub-parameters called "Slope" and "Offset". These work just like "Rate" and "Offset" above, but in two dimensions instead of one. (So it looks like each of these subsections can behave differently depending on the type of the value being converted - so I'll probably have to re-arrange this page...)

Converting a parameter to "radial_composite" adds four sub-parameters called "Luma", "Saturation", "Hue", and "Alpha". "Hue" is an angle value and the other three are real values.

## reference

Converting a parameter to "reference" adds a single real-valued sub-parameter called "Link".

## scale

Converting a parameter to "scale" adds two real-valued sub-parameters called "Link" and "Scalar".

## segcalctangent

Converting a parameter to "segcalctangent" adds two sub-parameters called "Segment" and "Amount". "Segment" is a composite type containing two vertices and two tangents. "Amount" is a real value.

## segcalcvertex

Converting a parameter to "segcalcvertex" adds two sub-parameters called "Segment" and "Amount". "Segment" is a composite type containing two vertices and two tangents. "Amount" is a real value.

## sine

Converting a parameter to "sine" adds two sub-parameters: a angle value called "Angle" and a real-valued value called "Amplitude".

## subtract

Converting a parameter to "subtract" adds three real-valued sub-parameters called "LHS", "RHS", and "Scalar".

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