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Difference between revisions of "Points"

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<code>''Specify location''<br/></code>
 
<code>''Specify location''<br/></code>
  
Click in the drawing area or enter one of the following in the command line:
+
Click in the drawing area or use the following syntax with the command line:
  
* 10,20[enter] - to place point at coordinates x=10, y=20 from the origin - point x=0, y=0
+
* '''x,y'''
 +
<tt>
 +
: This creates a point at coordinates x,y relative to the origin (0,0).
 +
</tt>
  
**@30,40[enter] - to place point at coordinates that are at distance x=30, y=40 from the last drawn point. So x=10+30=40 and y=20+40=60.
+
* '''@x,y'''
 +
<tt>
 +
: This creates a point at coordinates x,y relative to the [[Relative_Zero|relative zero position]]. [[Image:Relative_zero.png]]
 +
: 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.
 +
</tt>
  
*50<45[enter] - to place point at the distance 50 from origin, at 45 angle degree. The positive x axis is at 0 degrees, the positive y axis is at 90 degrees.
+
* '''distance<rotation'''
 +
<tt>
 +
: This creates a point a specified distance from the origin,  
 +
: and rotated a specified amount of degrees around the origin.
 +
</tt>
  
*@60<15[enter] - to place point at the distance 60 at 15 angle degree from the last drawn point.
+
* '''@distance<rotation'''
 +
<tt>
 +
: This creates a point a specified distance from the relative zero position,
 +
: and rotated a specified amount of degrees around that point.
 +
</tt>
 +
 
 +
[[Image:Selection 030.png|400px]]
 +
 
 +
You can read [[Coordinate system]] for more information.
  
 
[[Category:Tools]]
 
[[Category:Tools]]
 
[[Category:Usage]]
 
[[Category:Usage]]

Latest revision as of 06:28, 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.