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Optional. If specified, then for this component the height attribute is linked to the data values for the specified variable. This option can only be used for svg objects of type "rect". If the data value is less than dataLowerLimit, then the height is set to heightLowerLimit. If the data value is greater than dataUpperLimit, then the height is set to heightUpperLimit. If the data value is between dataLowerLimit and dataUpperLimit, then the height will be linearly interpolated between heightLowerLimit and heightUpperLimit. If no data is available, then this component is made invisible.
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Optional. If specified, then for this component the rotation is linked to the data values for the specified variable. The rotation that is derived from the data values is always relative to the rotation angle that is specified for this component in the svg file. This option can only be used for svg objects of type "path", "rect", "circle", "ellipse", "line", "polyline", "polygon" or "text". If the data value is less than dataLowerLimit, then the rotation is set to rotationLowerLimit. If the data value is greater than dataUpperLimit, then the rotation is set to rotationUpperLimit. If the data value is between dataLowerLimit and dataUpperLimit, then the rotation will be linearly interpolated between rotationLowerLimit and rotationUpperLimit. If no data is available, then this component is made invisible. If the data value is flagged as "varying direction" (e.g. varying wind direction), then the rotation will increase linearly in time (animation). In this case the rotation will increase from rotationLowerLimit to rotationUpperLimit and then start from rotationLowerLimit again.
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