Name
gen_circle_sectorgen_circle_sectorGenCircleSectorGenCircleSector — Create a circle sector.
Herror gen_circle_sector(Hobject* CircleSector, double Row, double Column, double Radius, double StartAngle, double EndAngle)
Herror T_gen_circle_sector(Hobject* CircleSector, const Htuple Row, const Htuple Column, const Htuple Radius, const Htuple StartAngle, const Htuple EndAngle)
void GenCircleSector(HObject* CircleSector, const HTuple& Row, const HTuple& Column, const HTuple& Radius, const HTuple& StartAngle, const HTuple& EndAngle)
void HRegion::HRegion(const HTuple& Row, const HTuple& Column, const HTuple& Radius, const HTuple& StartAngle, const HTuple& EndAngle)
void HRegion::HRegion(double Row, double Column, double Radius, double StartAngle, double EndAngle)
void HRegion::GenCircleSector(const HTuple& Row, const HTuple& Column, const HTuple& Radius, const HTuple& StartAngle, const HTuple& EndAngle)
void HRegion::GenCircleSector(double Row, double Column, double Radius, double StartAngle, double EndAngle)
static void HOperatorSet.GenCircleSector(out HObject circleSector, HTuple row, HTuple column, HTuple radius, HTuple startAngle, HTuple endAngle)
public HRegion(HTuple row, HTuple column, HTuple radius, HTuple startAngle, HTuple endAngle)
public HRegion(double row, double column, double radius, double startAngle, double endAngle)
void HRegion.GenCircleSector(HTuple row, HTuple column, HTuple radius, HTuple startAngle, HTuple endAngle)
void HRegion.GenCircleSector(double row, double column, double radius, double startAngle, double endAngle)
The operator gen_circle_sectorgen_circle_sectorGenCircleSectorGenCircleSectorGenCircleSector generates one or more circles sectors
described by the center, RadiusRadiusRadiusRadiusradius, StartAngleStartAngleStartAngleStartAnglestartAngle and
EndAngleEndAngleEndAngleEndAngleendAngle. If several circle sectors shall be generated the
coordinates must be passed in the form of tuples.
gen_circle_sectorgen_circle_sectorGenCircleSectorGenCircleSectorGenCircleSector only creates symmetric circle sectors with respect
to the center of coordinates. To achieve this,
the radius is internally rounded down to a multiple of 0.5. If an
integer number is specified for the radius (i.e., 1, 2, 3, ...) an
even diameter is obtained, and hence the circle can only be
symmetric with respect to a center with coordinates that have a
fractional part of 0.5. Consequently, internally the coordinates of
the center are adapted to the closest coordinates that have a
fractional part of 0.5. Here, integer coordinates are rounded down
to the next smaller values with a fractional part of 0.5. For odd
diameters (i.e., radius = 1.5, 2.5, 3.5, ...), the circle can only
be symmetric with respect to a center with integer coordinates.
Hence, internally the coordinates of the center are rounded to the
nearest integer coordinates. It should be noted that the above
algorithm may lead to the fact that circles with an even diameter
are not contained in circles with the next larger odd
diameter, even if the coordinates specified in RowRowRowRowrow and
ColumnColumnColumnColumncolumn are identical.
If the circle extends beyond the image edge it is clipped to the
current image format if the value of the system flag 'clip_region'
is set to 'true' (set_systemset_systemSetSystemSetSystemSetSystem).
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
RowRowRowRowrow (input_control) coordinates.y(-array) → HTupleHTupleHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong)
Line index of center.
Default value: 200.0
Suggested values: 0.0, 10.0, 50.0, 100.0, 200.0, 300.0
Typical range of values: 1.0
≤
Row
Row
Row
Row
row
≤
1024.0 (lin)
Minimum increment: 1.0
Recommended increment: 10.0
Column index of center.
Default value: 200.0
Suggested values: 0.0, 10.0, 50.0, 100.0, 200.0, 300.0
Typical range of values: 1.0
≤
Column
Column
Column
Column
column
≤
1024.0 (lin)
Minimum increment: 1.0
Recommended increment: 10.0
Radius of circle.
Default value: 100.5
Suggested values: 1.0, 1.5, 2.0, 2.5, 3, 3.5, 4, 4.5, 5.5, 6.5, 7.5, 9.5, 11.5, 15.5, 20.5, 25.5, 31.5, 50.5
Typical range of values: 1.0
≤
Radius
Radius
Radius
Radius
radius
≤
1024.0 (lin)
Minimum increment: 1.0
Recommended increment: 10.0
Restriction: Radius > 0.0
Start angle of the circle sector.
Default value: 0.0
Suggested values: 0.0, 0.785398, 1.5708, 2.35619, 3.14159, 3.92699, 4.71239, 5.49779, 6.28318
Typical range of values: 0
≤
StartAngle
StartAngle
StartAngle
StartAngle
startAngle
≤
6.28318 (lin)
Restriction: 0 <= StartAngle && StartAngle <= 2 * pi
End angle of the circle sector.
Default value: 3.14159
Suggested values: 0.0, 0.785398, 1.5708, 2.35619, 3.14159, 3.92699, 4.71239, 5.49779, 6.28318
Typical range of values: 0
≤
EndAngle
EndAngle
EndAngle
EndAngle
endAngle
≤
6.28318 (lin)
Restriction: 0 <= EndAngle && EndAngle <= 2 * pi
read_image(Image,'fabrik')
gen_circle_sector(CircleSector,300.0,200.0,150.5,0,rad(120))
reduce_domain(Image,CircleSector,Mask)
dev_clear_window ()
dev_display (Mask)
open_window(0,0,-1,-1,"root","visible","",&WindowHandle);
read_image(&Image,"montery");
gen_circle_sector(&CircleSector,300.0,200.0,150.5,0,rad(120));
reduce_domain(Image,CircleSector,Mask);
disp_color(Mask,WindowHandle);
read_image(Image,'fabrik')
gen_circle_sector(CircleSector,300.0,200.0,150.5,0,rad(120))
reduce_domain(Image,CircleSector,Mask)
dev_clear_window ()
dev_display (Mask)
read_image(Image,'fabrik')
gen_circle_sector(CircleSector,300.0,200.0,150.5,0,rad(120))
reduce_domain(Image,CircleSector,Mask)
dev_clear_window ()
dev_display (Mask)
read_image(Image,'fabrik')
gen_circle_sector(CircleSector,300.0,200.0,150.5,0,rad(120))
reduce_domain(Image,CircleSector,Mask)
dev_clear_window ()
dev_display (Mask)
Runtime complexity: O(RadiusRadiusRadiusRadiusradius * 2)
Storage complexity (byte): O(RadiusRadiusRadiusRadiusradius * 8)
If the parameter values are correct,
the operator gen_circle_sectorgen_circle_sectorGenCircleSectorGenCircleSectorGenCircleSector returns the value 2 (H_MSG_TRUE).
Otherwise an exception is raised.
The clipping according to the current image format is set via the
operator set_system('clip_region',<'true'/'false'>)set_system("clip_region",<"true"/"false">)SetSystem("clip_region",<"true"/"false">)SetSystem("clip_region",<"true"/"false">)SetSystem("clip_region",<"true"/"false">).
If an empty region is created by clipping (the circle is
completely outside of the image format) the operator
set_system('store_empty_region',<'true'/'false'>)set_system("store_empty_region",<"true"/"false">)SetSystem("store_empty_region",<"true"/"false">)SetSystem("store_empty_region",<"true"/"false">)SetSystem("store_empty_region",<"true"/"false">)
determines whether the empty region is put out.
paint_regionpaint_regionPaintRegionPaintRegionPaintRegion,
reduce_domainreduce_domainReduceDomainReduceDomainReduceDomain
gen_ellipsegen_ellipseGenEllipseGenEllipseGenEllipse,
gen_ellipse_sectorgen_ellipse_sectorGenEllipseSectorGenEllipseSectorGenEllipseSector,
gen_region_polygon_filledgen_region_polygon_filledGenRegionPolygonFilledGenRegionPolygonFilledGenRegionPolygonFilled,
gen_region_pointsgen_region_pointsGenRegionPointsGenRegionPointsGenRegionPoints,
gen_region_runsgen_region_runsGenRegionRunsGenRegionRunsGenRegionRuns,
draw_circledraw_circleDrawCircleDrawCircleDrawCircle
disp_circledisp_circleDispCircleDispCircleDispCircle,
disp_regiondisp_regionDispRegionDispRegionDispRegion,
set_shapeset_shapeSetShapeSetShapeSetShape,
smallest_circlesmallest_circleSmallestCircleSmallestCircleSmallestCircle,
reduce_domainreduce_domainReduceDomainReduceDomainReduceDomain
Foundation