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PDFapp.project.item(index).layer(index).propertySpec.keyInSpatialTangent(keyIndex)
Description
Returns the incoming spatial tangent for the specified keyframe, if the named property is spatial (that is, the value type is TwoD _SPATIAL or ThreeD_SPATIAL).
Parameters
ke y Ind e x The index for the keyframe. An integer in the range [1..numKeys], as returned by the add Ke y or ne ar estKe y -Ind e x method.
Returns
Array of floating-point values:
• If the propertyvalue type is PropertyValueType.TwoD_SPATIAL , the array contains 2 floating-point values.
• If the propertyvalue type is PropertyValueType.ThreeD_SPATIAL , the array contains 3 floating-point values.
• If the property value type is neither of these types, an exception is generated.