Point to Object Dimensions
In the Dimension Measurement section, the point offset controls are the same as a point to point dimension with addition of an option to Use Radial Offset Component.
If enabled, the radial component of the measurement offset will be used for compensation instead of the planar component. This is useful, for instance, when you are measuring the distance from the closest point in a hole to a surface edge and are acquiring the hole measurement with a pin nest. On the other end of the dimension, the object can have one of four settings:
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Origin. Distance to the object’s internal origin. For instance, the center of a circle. This will use the origin of the base transform of the referenced object, so for a plane it will be the center of this base frame located a the center of the plane.
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XY Plane. Distance to the plane of the object. This again will use the base reference frame for the object.
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Z Axis. Distance to the object’s base frame's Z- axis. This will be the axis of a cylinder for example.
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Surface. Show the distance to the closest point on the object’s surface / line / curve.
2D Point to Object Angular Dimensions
Point to Object dimensions report the minimum distance between a point and an object unless a reporting frame is asserted. In that case the dimension is projected to the XY plane of the reporting frame. This provides a means to build a 2D dimension between a point and an objects.