gen_cross_contour_xldgen_cross_contour_xldGenCrossContourXldGenCrossContourXld (Operator)


gen_cross_contour_xldgen_cross_contour_xldGenCrossContourXldGenCrossContourXld — Generate one XLD contour in the shape of a cross for each input point.


gen_cross_contour_xld( : Cross : Row, Col, Size, Angle : )

Herror gen_cross_contour_xld(Hobject* Cross, double Row, double Col, double Size, double Angle)

Herror T_gen_cross_contour_xld(Hobject* Cross, const Htuple Row, const Htuple Col, const Htuple Size, const Htuple Angle)

void GenCrossContourXld(HObject* Cross, const HTuple& Row, const HTuple& Col, const HTuple& Size, const HTuple& Angle)

void HXLDCont::GenCrossContourXld(const HTuple& Row, const HTuple& Col, const HTuple& Size, double Angle)

void HXLDCont::GenCrossContourXld(double Row, double Col, double Size, double Angle)

static void HOperatorSet.GenCrossContourXld(out HObject cross, HTuple row, HTuple col, HTuple size, HTuple angle)

void HXLDCont.GenCrossContourXld(HTuple row, HTuple col, HTuple size, double angle)

void HXLDCont.GenCrossContourXld(double row, double col, double size, double angle)


gen_cross_contour_xldgen_cross_contour_xldGenCrossContourXldGenCrossContourXldGenCrossContourXld generates an XLD contour in the shape of a cross for each input point (RowRowRowRowrow,ColColColColcol). Conceptually, the contour consists of two lines of length SizeSizeSizeSizesize, which intersect exactly in the input point. Their orientation is determined by AngleAngleAngleAngleangle. The cross is returned in CrossCrossCrossCrosscross. If there are multiple points to be processed, their coordinates must be passed as tuples.

Execution Information


CrossCrossCrossCrosscross (output_object)  xld_cont(-array) objectHXLDContHXLDContHobject *

Generated XLD contours.

RowRowRowRowrow (input_control)  point.y(-array) HTupleHTupleHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong)

Row coordinates of the input points.

ColColColColcol (input_control)  point.x(-array) HTupleHTupleHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong)

Column coordinates of the input points.

Restriction: number(Col) == number(Row)

SizeSizeSizeSizesize (input_control)  number HTupleHTupleHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong)

Length of the cross bars.

Default value: 6.0

Suggested values: 4.0, 6.0, 8.0, 10.0

Restriction: 0.0 <= Size

AngleAngleAngleAngleangle (input_control)  angle.rad HTupleHTupleHtuple (real) (double) (double) (double)

Orientation of the crosses.

Default value: 0.785398

Suggested values: 0.0, 0.785398


gen_cross_contour_xldgen_cross_contour_xldGenCrossContourXldGenCrossContourXldGenCrossContourXld returns 2 (H_MSG_TRUE) if all parameters are correct and no error occurs during execution.

Possible Predecessors

points_foerstnerpoints_foerstnerPointsFoerstnerPointsFoerstnerPointsFoerstner, points_harrispoints_harrisPointsHarrisPointsHarrisPointsHarris, critical_points_sub_pixcritical_points_sub_pixCriticalPointsSubPixCriticalPointsSubPixCriticalPointsSubPix, local_max_sub_pixlocal_max_sub_pixLocalMaxSubPixLocalMaxSubPixLocalMaxSubPix, local_min_sub_pixlocal_min_sub_pixLocalMinSubPixLocalMinSubPixLocalMinSubPix, saddle_points_sub_pixsaddle_points_sub_pixSaddlePointsSubPixSaddlePointsSubPixSaddlePointsSubPix