29 lines
1.1 KiB
Markdown
29 lines
1.1 KiB
Markdown
# Angle Measure
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Measure the included angle between two draggable line segments over a DATA_FIELD or IMAGE. Drag either endpoint to change that arm, drag the middle joint to move the whole widget, and drag the angle label to reposition it.
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## Inputs
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| Name | Type | Required | Description |
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|------|------|----------|-------------|
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| input | ANNOTATION_SOURCE (DATA_FIELD or IMAGE) | Yes | Background image or field to annotate |
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## Outputs
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| Name | Type | Description |
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|------|------|-------------|
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| output | ANNOTATION_SOURCE | Input with the angle overlay attached |
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| measurements | RECORD_TABLE | Angle in degrees, arm lengths, and arm/vertex coordinates |
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## Controls
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| Name | Type | Default | Description |
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|------|------|---------|-------------|
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| color | STRING (color picker) | #ff9800 | Overlay color for the angle arms and arc |
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| stroke_width | FLOAT | 1.35 | Line thickness in display pixels (0.35–6.0) |
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## Limitations
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- Coordinates are stored as fractions of the image dimensions; physical units depend on the input field's calibration.
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- Angle measurement is the included angle at the vertex, always in [0°, 180°].
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