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projection_plprojection_plProjectionPlprojection_plProjectionPlProjectionPl (Operator)

Name

projection_plprojection_plProjectionPlprojection_plProjectionPlProjectionPl — Berechnen der Projektion von einem Punkt auf eine Gerade.

Signatur

projection_pl( : : Row, Column, Row1, Column1, Row2, Column2 : RowProj, ColProj)

Herror projection_pl(double Row, double Column, double Row1, double Column1, double Row2, double Column2, double* RowProj, double* ColProj)

Herror T_projection_pl(const Htuple Row, const Htuple Column, const Htuple Row1, const Htuple Column1, const Htuple Row2, const Htuple Column2, Htuple* RowProj, Htuple* ColProj)

Herror projection_pl(const HTuple& Row, const HTuple& Column, const HTuple& Row1, const HTuple& Column1, const HTuple& Row2, const HTuple& Column2, double* RowProj, double* ColProj)

Herror projection_pl(const HTuple& Row, const HTuple& Column, const HTuple& Row1, const HTuple& Column1, const HTuple& Row2, const HTuple& Column2, HTuple* RowProj, HTuple* ColProj)

void ProjectionPl(const HTuple& Row, const HTuple& Column, const HTuple& Row1, const HTuple& Column1, const HTuple& Row2, const HTuple& Column2, HTuple* RowProj, HTuple* ColProj)

static void HMisc::ProjectionPl(const HTuple& Row, const HTuple& Column, const HTuple& Row1, const HTuple& Column1, const HTuple& Row2, const HTuple& Column2, HTuple* RowProj, HTuple* ColProj)

static void HMisc::ProjectionPl(double Row, double Column, double Row1, double Column1, double Row2, double Column2, double* RowProj, double* ColProj)

void HOperatorSetX.ProjectionPl(
[in] VARIANT Row, [in] VARIANT Column, [in] VARIANT Row1, [in] VARIANT Column1, [in] VARIANT Row2, [in] VARIANT Column2, [out] VARIANT* RowProj, [out] VARIANT* ColProj)

VARIANT HMiscX.ProjectionPl(
[in] VARIANT Row, [in] VARIANT Column, [in] VARIANT Row1, [in] VARIANT Column1, [in] VARIANT Row2, [in] VARIANT Column2, [out] VARIANT* ColProj)

static void HOperatorSet.ProjectionPl(HTuple row, HTuple column, HTuple row1, HTuple column1, HTuple row2, HTuple column2, out HTuple rowProj, out HTuple colProj)

static void HMisc.ProjectionPl(HTuple row, HTuple column, HTuple row1, HTuple column1, HTuple row2, HTuple column2, out HTuple rowProj, out HTuple colProj)

static void HMisc.ProjectionPl(double row, double column, double row1, double column1, double row2, double column2, out double rowProj, out double colProj)

Beschreibung

projection_plprojection_plProjectionPlprojection_plProjectionPlProjectionPl berechnet die Projektion von einem Punkt (RowRowRowRowRowrow,ColumnColumnColumnColumnColumncolumn) auf eine Gerade. Die Gerade wird durch die zwei Punkte (Row1Row1Row1Row1Row1row1,Column1Column1Column1Column1Column1column1) und (Row2Row2Row2Row2Row2row2,Column2Column2Column2Column2Column2column2) beschrieben. Die Koordinaten des projizierten Punktes werden in RowProjRowProjRowProjRowProjRowProjrowProj und ColProjColProjColProjColProjColProjcolProj zurückgegeben.

Parallelisierung

Parameter

RowRowRowRowRowrow (input_control)  point.y(-array) → HTupleHTupleHTupleVARIANTHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong) (double / Hlong) (double / Hlong)

Zeilenkoordinate des Punktes.

ColumnColumnColumnColumnColumncolumn (input_control)  point.x(-array) → HTupleHTupleHTupleVARIANTHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong) (double / Hlong) (double / Hlong)

Spaltenkoordinate des Punktes.

Row1Row1Row1Row1Row1row1 (input_control)  point.y(-array) → HTupleHTupleHTupleVARIANTHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong) (double / Hlong) (double / Hlong)

Zeilenkoordinate des ersten Punktes auf der Geraden.

Column1Column1Column1Column1Column1column1 (input_control)  point.x(-array) → HTupleHTupleHTupleVARIANTHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong) (double / Hlong) (double / Hlong)

Spaltenkoordinate des ersten Punktes auf der Geraden.

Row2Row2Row2Row2Row2row2 (input_control)  point.y(-array) → HTupleHTupleHTupleVARIANTHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong) (double / Hlong) (double / Hlong)

Zeilenkoordinate des zweiten Punktes auf der Geraden.

Column2Column2Column2Column2Column2column2 (input_control)  point.x(-array) → HTupleHTupleHTupleVARIANTHtuple (real / integer) (double / int / long) (double / Hlong) (double / Hlong) (double / Hlong) (double / Hlong)

Spaltenkoordinate des zweiten Punktes auf der Geraden.

RowProjRowProjRowProjRowProjRowProjrowProj (output_control)  real(-array) → HTupleHTupleHTupleVARIANTHtuple (real) (double) (double) (double) (double) (double)

Zeilenkoordinate des Projektionspunktes.

ColProjColProjColProjColProjColProjcolProj (output_control)  real(-array) → HTupleHTupleHTupleVARIANTHtuple (real) (double) (double) (double) (double) (double)

Spaltenkoordinate des Projektionspunktes

Beispiel (HDevelop)

dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
Row1 := 300
Column1 := 200
Row2 := 140
Column2 := 400
Rows := 300
Columns := 170
dev_set_color ('cadet blue')
gen_contour_polygon_xld (Contour, [Row1,Row2], [Column1,Column2])
Offset := 0
for Rows := 40 to 280 by 40
  dev_set_color ('red')
  gen_cross_contour_xld (Point,Rows+Offset, Columns, 6, 0)
  projection_pl (Rows+Offset, Columns, Row1, Column1, Row2, Column2, \
                 RowProj, ColProj)
  dev_set_color ('blue')
  gen_cross_contour_xld (RowP, RowProj, ColProj, 6, 0)
  Offset := Offset+30
endfor

Beispiel (C)

projection_pl(row,column,row1,column1,row2,column2,
              &row_proj,&col_proj);

Beispiel (HDevelop)

dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
Row1 := 300
Column1 := 200
Row2 := 140
Column2 := 400
Rows := 300
Columns := 170
dev_set_color ('cadet blue')
gen_contour_polygon_xld (Contour, [Row1,Row2], [Column1,Column2])
Offset := 0
for Rows := 40 to 280 by 40
  dev_set_color ('red')
  gen_cross_contour_xld (Point,Rows+Offset, Columns, 6, 0)
  projection_pl (Rows+Offset, Columns, Row1, Column1, Row2, Column2, \
                 RowProj, ColProj)
  dev_set_color ('blue')
  gen_cross_contour_xld (RowP, RowProj, ColProj, 6, 0)
  Offset := Offset+30
endfor

Beispiel (HDevelop)

dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
Row1 := 300
Column1 := 200
Row2 := 140
Column2 := 400
Rows := 300
Columns := 170
dev_set_color ('cadet blue')
gen_contour_polygon_xld (Contour, [Row1,Row2], [Column1,Column2])
Offset := 0
for Rows := 40 to 280 by 40
  dev_set_color ('red')
  gen_cross_contour_xld (Point,Rows+Offset, Columns, 6, 0)
  projection_pl (Rows+Offset, Columns, Row1, Column1, Row2, Column2, \
                 RowProj, ColProj)
  dev_set_color ('blue')
  gen_cross_contour_xld (RowP, RowProj, ColProj, 6, 0)
  Offset := Offset+30
endfor

Beispiel (HDevelop)

dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
Row1 := 300
Column1 := 200
Row2 := 140
Column2 := 400
Rows := 300
Columns := 170
dev_set_color ('cadet blue')
gen_contour_polygon_xld (Contour, [Row1,Row2], [Column1,Column2])
Offset := 0
for Rows := 40 to 280 by 40
  dev_set_color ('red')
  gen_cross_contour_xld (Point,Rows+Offset, Columns, 6, 0)
  projection_pl (Rows+Offset, Columns, Row1, Column1, Row2, Column2, \
                 RowProj, ColProj)
  dev_set_color ('blue')
  gen_cross_contour_xld (RowP, RowProj, ColProj, 6, 0)
  Offset := Offset+30
endfor

Beispiel (HDevelop)

dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
Row1 := 300
Column1 := 200
Row2 := 140
Column2 := 400
Rows := 300
Columns := 170
dev_set_color ('cadet blue')
gen_contour_polygon_xld (Contour, [Row1,Row2], [Column1,Column2])
Offset := 0
for Rows := 40 to 280 by 40
  dev_set_color ('red')
  gen_cross_contour_xld (Point,Rows+Offset, Columns, 6, 0)
  projection_pl (Rows+Offset, Columns, Row1, Column1, Row2, Column2, \
                 RowProj, ColProj)
  dev_set_color ('blue')
  gen_cross_contour_xld (RowP, RowProj, ColProj, 6, 0)
  Offset := Offset+30
endfor

Ergebnis

projection_plprojection_plProjectionPlprojection_plProjectionPlProjectionPl liefert den Wert 2 (H_MSG_TRUE).

Modul

Foundation

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