#include <pointset.h>
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| PointSet () |
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| PointSet (int nbPoints, double *x, double *y) |
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virtual | ~PointSet () |
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CHullBox * | compute_chull_bbox () |
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bool | containsLabelCandidate (double x, double y, double width, double height, double alpha=0) const |
| Tests whether a possible label candidate will fit completely within the shape. More...
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bool | containsPoint (double x, double y) const |
| Tests whether point set contains a specified point. More...
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PointSet * | extractShape (int nbPtSh, int imin, int imax, int fps, int fpe, double fptx, double fpty) |
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const GEOSGeometry * | geos () const |
| Returns the point set's GEOS geometry. More...
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void | getBoundingBox (double min[2], double max[2]) const |
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void | getCentroid (double &px, double &py, bool forceInside=false) const |
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int | getGeosType () const |
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PointSet * | getHoleOf () |
| Returns NULL if this isn't a hole. More...
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int | getNumPoints () const |
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void | getPointByDistance (double *d, double *ad, double dl, double *px, double *py) |
| Get a point a set distance along a line geometry. More...
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double | length () const |
| Returns length of line geometry. More...
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double | minDistanceToPoint (double px, double py, double *rx=0, double *ry=0) const |
| Returns the squared minimum distance between the point set geometry and the point (px,py) Optionally, the nearest point is stored in (rx,ry). More...
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Definition at line 60 of file pointset.h.
pal::PointSet::PointSet |
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pal::PointSet::PointSet |
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int |
nbPoints, |
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double * |
x, |
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double * |
y |
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) |
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pal::PointSet::~PointSet |
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virtual |
pal::PointSet::PointSet |
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double |
x, |
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double |
y |
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protected |
pal::PointSet::PointSet |
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const PointSet & |
ps | ) |
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protected |
CHullBox * pal::PointSet::compute_chull_bbox |
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bool pal::PointSet::containsLabelCandidate |
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double |
x, |
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double |
y, |
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double |
width, |
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double |
height, |
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double |
alpha = 0 |
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Tests whether a possible label candidate will fit completely within the shape.
- Parameters
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x | x-coordinate of label candidate |
y | y-coordinate of label candidate |
width | label width |
height | label height |
alpha | label angle |
- Returns
- true if point set completely contains candidate label
Definition at line 315 of file pointset.cpp.
bool pal::PointSet::containsPoint |
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double |
x, |
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double |
y |
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Tests whether point set contains a specified point.
- Parameters
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x | x-coordinate of point |
y | y-coordinate of point |
- Returns
- true if point set contains a specified point
Definition at line 293 of file pointset.cpp.
void pal::PointSet::createGeosGeom |
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const |
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protected |
void pal::PointSet::deleteCoords |
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protected |
PointSet * pal::PointSet::extractShape |
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int |
nbPtSh, |
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int |
imin, |
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int |
imax, |
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int |
fps, |
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int |
fpe, |
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double |
fptx, |
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double |
fpty |
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const GEOSGeometry * pal::PointSet::geos |
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const |
Returns the point set's GEOS geometry.
Definition at line 1024 of file pointset.cpp.
void pal::PointSet::getBoundingBox |
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double |
min[2], |
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double |
max[2] |
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inline |
void pal::PointSet::getCentroid |
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double & |
px, |
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double & |
py, |
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bool |
forceInside = false |
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int pal::PointSet::getGeosType |
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const |
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inline |
Returns NULL if this isn't a hole.
Otherwise returns pointer to parent pointset.
Definition at line 121 of file pointset.h.
int pal::PointSet::getNumPoints |
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const |
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inline |
void pal::PointSet::getPointByDistance |
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double * |
d, |
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double * |
ad, |
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double |
dl, |
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double * |
px, |
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double * |
py |
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Get a point a set distance along a line geometry.
- Parameters
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d | array of distances between points |
ad | cumulative total distance from pt0 to each point (ad0 = pt0->pt0) |
dl | distance to traverse along line |
px | final x coord on line |
py | final y coord on line |
Definition at line 985 of file pointset.cpp.
void pal::PointSet::invalidateGeos |
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double pal::PointSet::length |
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const |
double pal::PointSet::minDistanceToPoint |
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double |
px, |
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double |
py, |
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double * |
rx = 0 , |
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double * |
ry = 0 |
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Returns the squared minimum distance between the point set geometry and the point (px,py) Optionally, the nearest point is stored in (rx,ry).
- Parameters
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px | x coordinate of the point |
py | y coordinate of the points |
rx | pointer to x coorinates of the nearest point (can be NULL) |
ry | pointer to y coorinates of the nearest point (can be NULL) |
- Returns
- minimum distance
Definition at line 894 of file pointset.cpp.
const GEOSPreparedGeometry * pal::PointSet::preparedGeom |
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const |
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Split a concave shape into several convex shapes.
Definition at line 363 of file pointset.cpp.
int* pal::PointSet::cHull |
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int pal::PointSet::cHullSize |
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GEOSGeometry* pal::PointSet::mGeos |
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mutableprotected |
bool pal::PointSet::mOwnsGeom |
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mutableprotected |
int pal::PointSet::nbPoints |
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double pal::PointSet::xmax |
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double pal::PointSet::xmin |
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protected |
double pal::PointSet::ymax |
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protected |
double pal::PointSet::ymin |
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protected |
The documentation for this class was generated from the following files:
- /tmp/buildd/qgis-2.12.0+99unstable/src/core/pal/pointset.h
- /tmp/buildd/qgis-2.12.0+99unstable/src/core/pal/pointset.cpp