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The SEDRIS Data Representation Model
APPENDIX A - Classes HSV Colour Control Link |
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An instance of this DRM class specifies a specialized <Control Link> instance used to provide the connection between an ordered aggregation of <Expression> instances and the target fields of one or more <HSV Colour> instances.
See the example for <CMY Colour Control Link>, which is analogous to how this class is used.
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| SE_String | description; | 1 |
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| SE_Integer_Unsigned | hue_expression_index; | 2 |
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| SE_Integer_Unsigned | saturation_expression_index; | 3 |
| SE_Integer_Unsigned | value_expression_index; | 4 |
The description field specifies a text description of the purpose of the <Control Link> instance.
The hue_expression_index field is a one-based index into the ordered aggregation of <Expression> instances and is used to select the specific <Expression> instance (if any) that controls the hue field values of the hsv_data field(s) of the target <HSV Colour> instance(s). If the value is zero, the hue field of those <HSV Colour> instance(s) is not controlled.
The saturation_expression_index field is a one-based index into the ordered aggregation of <Expression> instances and is used to select the specific <Expression> instance (if any) that controls the saturation field values of the hsv_data field(s) of the target <HSV Colour> instance(s). If the value is zero, the saturation field of those <HSV Colour> instance(s) is not controlled.
The value_expression_index field is a one-based index into the ordered aggregation of <Expression> instances and is used to select the specific <Expression> instance (if any) that controls the value field values of the hsv_data field(s) of the target <HSV Colour> instance(s). If the value is zero, the value field of those <HSV Colour> instance(s) is not controlled.
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