How to digitize

It is possible to digitize and add new series of points:

 

How to digitize screen points

Follow these steps:

  1. Click the button Add Points from Screen  or select menu item <Data><Add from Screen...>.
  2. The framework appeares.
  3. To select the rect of digitizing, move the framework on screen. For precise positioning of the framework, use the arrows keys. To resize the framework, hold  'Shift' key and use the arrows keys.
  4. To select the color of digitizing, Hold the key 'C' and move the mouse inwardly framework. The selected color will appear on framework caption.
  5. To digitize, press the button <o> on frame.
  6. The dialog 'Set values in graphic digitizing limits' appeares.
  7. Assign X,Y interval limits, corresponding to internal borders of frame.
  8. Choose the digitizion step - the size of pixel groups to digitize.
  9. It creates new series of points with current color and marker.
  10. Series, named 'Screen', will appear in list.

 

How to digitize background picture

Only background picture points with color equal to current color will be digitized. Follow these steps:

  1. Open options dialog  <Plot><Options> on the page <Editor> and select background picture. It supports bmp, gif, jpg, wmf and emf formats.
  2. The picture on plot will appear.
  3. Create some areas 'Clip' or 'Rect' around picture.
  4. To select these areas, use the button Select Area.
  5. Choose current color.  Only points with this color wil be digitized.
  6. Choose current points radius. It will be the size of pixel groups to digitize.
  7. Click the button Add Points from Picture  or select menu item <Data><Add from Picture>.
  8. The dialog 'Set values in graphic digitizing limits' appeares.
  9. Assign X,Y interval limits, corresponding to range of areas.
  10. It creates new series of points with current color and marker.
  11. Series, named as picture file, will appear in list.