scale_cont_xld ( Contours : ScaledContours : ScaleFactor, RowOrigin, ColOrigin, Width, Height : )

Scale an XLD contour.

scale_cont_xld scales all XLD contours given in Contours by the scale factor ScaleFactor. The resulting contours are returned in ScaledContours. Only contour points contained in the rectangle given by RowOrigin, ColOrigin, Width and Height are returned on output. If necessary, coutours are split, and several new contours are produced. Finally, the contour points are shifted by (-RowOrigin,-ColOrigin).

This operator is intended to scale contours generated in an image of low resolution to a corresponding image of high resolution such that they will lie in the correct position in the high resolution image.


Parameters

Contours (input_object)
xld_cont-array -> object
Zu skalierende Konturen.

ScaledContours (output_object)
xld_cont-array -> object
Skalierte Konturen.

ScaleFactor (input_control)
number -> integer / real
Skalierungsfaktor.
Default value: 8
Suggested values: 2, 4, 8, 16
Restriction: ScaleFactor > 0

RowOrigin (input_control)
integer -> integer
Zeilennummer der linken obere Ecke des Clip-Rechtecks.
Default value: 1500
Suggested values: 0, 500, 1000, 1500, 2000
Restriction: RowOrigin >= 0

ColOrigin (input_control)
integer -> integer
Spaltennummer der linken obere Ecke des Clip-Rechtecks.
Default value: 1500
Suggested values: 0, 500, 1000, 1500, 2000
Restriction: ColOrigin >= 0

Width (input_control)
integer -> integer
Breite des Clip-Rechtecks.
Default value: 512
Suggested values: 512, 1024, 1536, 2048
Restriction: Width > 0

Height (input_control)
integer -> integer
Höhe des Clip-Rechtecks.
Default value: 512
Suggested values: 512, 1024, 1536, 2048
Restriction: Height > 0


Possible Predecessors

gen_contour_xld, gen_contour2_xld, lines_gauss, lines_facet, edges_sub_pix


Possible Successors

poly_xld


See also

read_sequence, zoom_image2, crop_image



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