Functions to compute distance between basic geometric structures.
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#include <Distance.h>
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| static double | segmentToSegment (const geom::CoordinateXY &A, const geom::CoordinateXY &B, const geom::CoordinateXY &C, const geom::CoordinateXY &D) |
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| static double | pointToSegmentString (const geom::CoordinateXY &p, const geom::CoordinateSequence *seq) |
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| static double | pointToSegment (const geom::CoordinateXY &p, const geom::CoordinateXY &A, const geom::CoordinateXY &B) |
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| static double | pointToLinePerpendicular (const geom::CoordinateXY &p, const geom::CoordinateXY &A, const geom::CoordinateXY &B) |
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static double | pointToLinePerpendicularSigned (const geom::CoordinateXY &p, const geom::CoordinateXY &A, const geom::CoordinateXY &B) |
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Functions to compute distance between basic geometric structures.
- Author
- Martin Davis
◆ pointToLinePerpendicular()
| static double geos::algorithm::Distance::pointToLinePerpendicular |
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const geom::CoordinateXY & |
p, |
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const geom::CoordinateXY & |
A, |
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const geom::CoordinateXY & |
B |
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Computes the perpendicular distance from a point p to the (infinite) line containing the points AB
- Parameters
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| p | the point to compute the distance for |
| A | one point of the line |
| B | another point of the line (must be different to A) |
- Returns
- the distance from p to line AB
Referenced by geos::geom::LineSegment::distancePerpendicular().
◆ pointToSegment()
| static double geos::algorithm::Distance::pointToSegment |
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const geom::CoordinateXY & |
p, |
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const geom::CoordinateXY & |
A, |
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const geom::CoordinateXY & |
B |
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Computes the distance from a point p to a line segment AB
Note: NON-ROBUST!
- Parameters
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| p | the point to compute the distance for |
| A | one point of the line |
| B | another point of the line (must be different to A) |
- Returns
- the distance from p to line segment AB
Referenced by geos::geom::LineSegment::distance().
◆ pointToSegmentString()
| static double geos::algorithm::Distance::pointToSegmentString |
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const geom::CoordinateXY & |
p, |
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const geom::CoordinateSequence * |
seq |
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Computes the distance from a point to a sequence of line segments.
- Parameters
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| p | a point |
| seq | a sequence of contiguous line segments defined by their vertices |
- Returns
- the minimum distance between the point and the line segments
◆ segmentToSegment()
| static double geos::algorithm::Distance::segmentToSegment |
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const geom::CoordinateXY & |
A, |
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const geom::CoordinateXY & |
B, |
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const geom::CoordinateXY & |
C, |
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const geom::CoordinateXY & |
D |
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Computes the distance from a line segment AB to a line segment CD
Note: NON-ROBUST!
- Parameters
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| A | a point of one line |
| B | the second point of (must be different to A) |
| C | one point of the line |
| D | another point of the line (must be different to A) |
Referenced by geos::geom::LineSegment::distance().
The documentation for this class was generated from the following file:
