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Difference between revisions of "Points"
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* '''@x,y''' | * '''@x,y''' | ||
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− | : This creates a point at coordinates x,y relative to the relative zero position. | + | : This creates a point at coordinates x,y relative to the relative zero position. [[Image:Relative_zero.png]] |
: The @ symbol means that we want the "relative zero position" to be considered the origin; | : The @ symbol means that we want the "relative zero position" to be considered the origin; | ||
: the coordinates are [http://www.mathsisfun.com/algebra/vectors.html added] to the coordinates of the relative zero position. | : the coordinates are [http://www.mathsisfun.com/algebra/vectors.html added] to the coordinates of the relative zero position. |
Revision as of 00:05, 12 May 2015
Commands: po, point
Specify location
Click in the drawing area or use the following syntax with the command line:
- x,y
- This creates a point at coordinates x,y relative to the origin (0,0).
- @x,y
- This creates a point at coordinates x,y relative to the relative zero position.
- The @ symbol means that we want the "relative zero position" to be considered the origin;
- the coordinates are added to the coordinates of the relative zero position.
- distance<rotation
- This creates a point a specified distance from the origin,
- and rotated a specified amount of degrees around the origin.
- @distance<rotation
- This creates a point a specified distance from the relative zero position,
- and rotated a specified amount of degrees around that point.
You can read Coordinate system for more information.