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Local system (Geometry)

Last modified by Iwona Budny Bjergø on 2022/01/18 12:24

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When the Global or User-defined (UCS) co-ordinate system is not enough as a predefined system for component directions (Point support, Point-point connection and Line-line connection), a custom local system can be defined. Tree points declare the system and the 4th point places the new object:

1st point: system origin,

2nd point: defines the x’ axis direction,

3rd point: defines the y’ axis direction.

The z’ axis of the system always perpendicular to the x’y’ plane.

The new system directions are set for all objects till 1584717043328-871.png  stops the repetition of object insertion and restarts with another system definition.

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Figure: Point support group set by a special local system

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Figure: Typical example for special direction (Point support group)