Difference between revisions of "Convert"

Revision as of 22:57, 5 September 2007

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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.

• BLinePoint values can be converted to ...

• Bool values can only be converted to the Reference type.

• Canvas values can be converted to the Reference type.

• Color values can be converted to Composite, Radial Composite, Reference, Scale, and Subtract types.

• Gradient values can be converted to Gradient Rotate, Reference, Stripes, and Two-Tone types.

• Integer values can be converted to Reference, Scale, and Subtract types.

• List values can be converted to BLine, Dynamic List, and Reference types.

• Real values can be converted to Linear, Reference, Scale, Sine, and Subtract types.

• Segment values can be converted to the Composite and Reference types.

• String values can be converted to the Reference type.

• Time values can be converted to the Linear and Reference types.

• Vector values can be converted to Composite, Linear, Radial Composite, Reference, Scale, Seg Calc Tangent, Seg Calc Vertex, 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 color parameter to "Composite" adds four real-valued sub-parameters:

• real "Red"
• real "Green"
• real "Blue"
• real "Alpha"

Converting a segment parameter to "Composite" adds four vertex sub-parameters:

• vertex "Vertex 1"
• vertex "Tangent 1"
• vertex "Vertex 2"
• vertex "Tangent 2"

Converting a vector parameter to "Composite" adds two real-valued sub-parameters:

• real "X-Axis"
• real "Y-Axis"

The resulting value is a color, segment, or vector made by combining the component parts.

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.

Gradient Rotate

Converting a gradient to "Gradient Rotate" adds two sub-parameters:

• gradient "Gradient"
• real "Offset"

Linear

Converting an angle parameter to be 'Linear' adds two angle sub-parameters:

• angle "Rate"
• angle "Offset"

Converting a real parameter to be 'Linear' adds two real-valued sub-parameters:

• real "Rate"
• real "Offset"

Converting a time parameter to be 'Linear' adds two time sub-parameters:

• time "Rate"
• time "Offset"

Converting a vector parameter to be 'Linear' adds two vector sub-parameters:

• vector "Slope"
• vector "Offset"

The parameter's value will change linearly over time, starting with the value specified by "Offset" at time zero, and increasing by the value specified by "Rate" (or "Slope", in the case of vector parameters) every second.

The resulting value for vector parameters is:

  Offset + Slope*time

and for the other 3 types of parameter it is:

  Offset + Rate*time

Radial Composite

Converting a color to "Radial Composite" adds four sub-parameters:

• real "Luma"
• real "Saturation"
• angle "Hue"
• real "Alpha"

Converting a vector to "Radial Composite" adds two sub-parameters:

• real "Radius"
• angle "Theta"

For color parameters, the resulting value is the color with the given lima, saturation, hue, and alpha amounts.

For vector parameters, the resulting value is the point reached by traveling a distance "Radius" from the origin, in the distance given by the angle "Theta".

Reference

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

Scale

Converting a parameter to "Scale" adds two sub-parameters: one called "Link", of the same type as the parameter itself, and a real-valued parameter called "Scalar".

"Scale" can be used on angles, colors, integers, reals, and vectors.

The resulting value is:

  Link * Scalar

Seg Calc Tangent

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

The two verticies and two tangents define a single curved segment. Amount is a number between 0 and 1, defining the distance along that segment. The resulting value for the whole parameter is the tangent to the segment at the given point along the segment.

Seg Calc Vertex

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

The two verticies and two tangents define a single curved segment. Amount is a number between 0 and 1, defining the distance along that segment. The resulting value for the whole parameter is the vertex at the given point along the segment.

Sine

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

The resulting value is:

  Amplitude * sin(Angle)

Stripes

writeme

Subtract

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

The resulting value is:

  (LHS - RHS) * Scalar

Timed Swap

This conversion is currently disabled.

Two-Tone

Converting a gradient to "Two-Tone" adds two color-valued sub-parameters called "Color1" and "Color2".

The two parameters define two colors which are used to create the gradient. These color parameters can be animated, giving us the ability to have the gradient change color over time. This can be used as a workaround for this bug.

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