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triangular ruler

Functions

  • measure distances
  • measure angles
  • draw lines with the ruler

Description

The virtual triangular ruler is very near to a real triangular ruler in it's use.
You can move the ruler by moving the contact area in the middle of the hypotenuse. By moving the contact points at both ends of the hypotenuse, you can rotate it. The triangular ruler measures the distance between the center of the hypotenuse and the mouse position and the angle between this line and the hypotenuse. Open the options window to change the interval and the orientation of the the measured angle.
A double click on the circular information area hides the ruler.

Functions in the popup menu

Track mouse the measured line and angle is always drawn
Attach to window when the measure instrument is moved, the window below will be detected and the instrument attached to this window. If this window is moved in a further operation, the measure instrument is moved synchron to this window. This mode is active, as long as the menu item Attach to window is checkd and the window is visible. If you minimize this window or close the attached application, the mode is deactivated, too.
Modify - Set to origin state the measure instrument is moved to a defined start position
Modify - Rotate 180° the measure instrument is rotated by 180°
Modify - Rotate 90° clockwise the measure instrument is rotated by 90° clockwise
Modify - Rotate 90° anticlockwise the measure instrument is rotated by 90° anticlockwise

Supported function keys

<Ctrl><Alt><C> copy the measured values to the clipboard
<Ctrl><Alt><cursor left> move the measure instrument one pixel to the left
<Ctrl><Alt><cursor right> move the measure instrument one pixel to the right
<Ctrl><Alt><cursor up> move the measure instrument one pixel up
<Ctrl><Alt><cursor down> move the measure instrument one pixel down
Have a look at the function key help page for more details about the functions keys and how you can configure them.

Remote Interface

The generel description of the remote interface is here.

Transfer of the measured values

ValueID Format of the return value
1 measured distance * 10
2 measured angle * 10
Transfer of the positioning information
ValueID Format of the return value
1 LoWord: x coordinate of the triangular ruler
HiWord: y coordinate of the triangular ruler
2 rotation angle of the triangular ruler * 10
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