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Auto file load when opening OCAD

Check this box to automatically load the last map worked on when OCAD is started. Otherwise no map is loaded.

Auto file save

This option is only enabled when no map is loaded.

Check this box is to automatically save all changes to the original file.

When not checked, all changes are saved in a temporary file. When the file is closed you are asked if you want to save the changes to the original file.

This option has no effect for untitled files (new files which have never been saved to disk.)

Hint: In this mode of permanent automatic saving, the file is considered as "read only" and if you want to save it, you are re-directed to the "Save as" procedure requesting a new name for the file.







Drawing and Editing

Drawing Bézier curves

Choose the preferred mode for drawing curves.

  • In OCAD mode, only the direction of a dragged tangent is used. The distance from the normal vertices to the curve vertices is calculated automatically. This is the recommended mode.
  • In Illustrator mode, the length of the dragged tangent is used to calculate the distance of the curve vertex.

Convert freehand to curve when drawing

Check this box to convert lines and areas to curves when drawing in freehand mode. Otherwise they remain as polygons. The tolerance settings Smooth when drawing freehand determine the smoothing level.

Close area objects when drawing

OCAD closes areas object automatically when drawing. If start and end point are different then OCAD add an end point with the same position as the start point.

Choose Close Area Objects in Object -> Topology to close already drawn area objects.

Following existing objects

Uncheck this option if side lines of double lines should not be traced by following existing lines.

video available Following existing objects


Select objects: This tolerance defines the maximum distance on each side of a thin line where you can click to select it. Objects with a thicker main line than the tolerance can be selected by clicking on the entire line width. The default value is 3 pixels.
Snapping: This tolerance defines the maximum distance a vertex is moved by using snapping. The default value is 5 pixels.
video available [Snapping]
Join when drawing lines: This tolerance defines the maximum distance a vertex is moved to join another line end. The default value is 0.25 mm.
Smooth when drawing freehand: There are three smoothing levels for freehand drawing mode: slightly, medium and strong. They correspond to 0, 1 and 2 in earlier OCAD versions.
Change to Bezier curve: This tolerance defines the maximum distance the vertices can move away from the original line by changing from polyline to Bezier curve. The default value is 0.10 mm. Note that the distance between the curve and the polyline can be greater between the vertices.
Smooth (generalization): This tolerance is used by the Douglas-Peucker smoothing algorithm. Vertices that are closer to the direct line between the previous and the next vertex are removed. The default value is 0.05 mm.

Cursor color

Set the cursor color to black, red, blue, purple or yellow.


Set the mark size to normal, large or very large and choose a mark color.

Enable live preview

Enable this option to show the real line width by drawing line objects.

Auto scroll

Check this option if the map view should automatically scroll if you drag out of the drawing area. Uncheck this option if you have a slow PC.