This mixin implements various unit-handling measurement methods.
Note: (a) this is the equivalent of PsychoPY's WindowMixin. (b) it will most probably be made obsolete by a fully-integrated unit approach.
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Methods
(protected) _getHorLengthPix(length) → {number}
Convert the given length from stimulus units to pixel units
Parameters:
| Name | Type | Description |
|---|---|---|
length |
number | the length in stimulus units |
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Returns:
- the length in pixels
- Type
- number
(protected) _getLengthPix(length, integerCoordinatesopt) → {number}
Convert the given length from stimulus unit to pixel units.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
length |
number | the length in stimulus units | ||
integerCoordinates |
boolean |
<optional> |
false | whether or not to round the length. |
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Returns:
- the length in pixel units
- Type
- number
(protected) _getLengthUnits(length_px) → {number}
Convert the given length from pixel units to the stimulus units
Parameters:
| Name | Type | Description |
|---|---|---|
length_px |
number | the length in pixel units |
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Returns:
- the length in stimulus units
- Type
- number
(protected) _getVerLengthPix(length) → {number}
Convert the given length from pixel units to the stimulus units
Parameters:
| Name | Type | Description |
|---|---|---|
length |
number | the length in pixel units |
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Returns:
- the length in stimulus units
- Type
- number