freeman2img

Transforms one or several freeman chains into a pgm file by filling their interior areas.

The transformation can fill shapes with hole by using the freemanchain orientation. The interior is considered on the left according to a freeman chain move, i.e. a clockwise oriented contour represents a hole in the shape.

Usage: freeman2img [input] [output]

Allowed options are:

-h [ --help ]                     display this message
-i [ --input ] arg                the input FreemanChain file name
-o [ --output ] arg (=result.pgm)  the output filename
-b [ --border ] arg (=0)           add a border in the resulting image (used 
                                  only in the automatic mode i.e when --space
                                  is not used.
-s [ --space ] arg                Define the space from its bounding box 
                                  (lower and upper coordinates) else the 
                                  space is automatically defined from the 
                                  freemanchain bounding boxes.

Example:

$freeman2img -i ${DGtal}/tests/samples/contourS.fc -o sample.pgm

You will obtain such image:

Resulting image

Example with several contours:

The file located in $DGtal/examples/samples/contourS2.fc contains different contours with some ones corresponds to hole. We can apply the same conversion as the previous example:

$ freeman2img -i  $DGtal/examples/samples/contourS2.fc  -o sample2.pgm

You will obtain such image:

Resulting image

See also

img2freeman freeman2img.cpp