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Difference between revisions of "Points"

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* '''@x,y'''
 
* '''@x,y'''
: [[Image:Relative_zero.png]] relative zero position
 
 
<tt>
 
<tt>
: 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

Points.png

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. Relative zero.png
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.

Selection 030.png

You can read Coordinate system for more information.