GEOS 3.14.0dev
Surface.h
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3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2024 ISciences, LLC
7 *
8 * This is free software; you can redistribute and/or modify it under
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11 * See the COPYING file for more information.
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13 **********************************************************************/
14
15#pragma once
16
17#include <geos/geom/Geometry.h>
18
19namespace geos {
20namespace geom {
21
22class Curve;
23
27class GEOS_DLL Surface : public Geometry {
28
29private:
30
31protected:
32 using Geometry::Geometry;
33
34public:
35
36 void apply_ro(CoordinateFilter* filter) const override;
37
38 void apply_ro(CoordinateSequenceFilter& filter) const override;
39
40 void apply_ro(GeometryComponentFilter* filter) const override;
41
42 void apply_ro(GeometryFilter* filter) const override;
43
44 void apply_rw(CoordinateSequenceFilter& filter) override;
45
46 void apply_rw(GeometryComponentFilter* filter) override;
47
48 void apply_rw(GeometryFilter* filter) override;
49
50 void apply_rw(const CoordinateFilter* filter) override;
51
52 std::unique_ptr<Geometry> convexHull() const override;
53
54 bool
55 equalsExact(const Geometry* other, double tolerance = 0.0) const override;
56
57 bool
58 equalsIdentical(const Geometry* other) const override;
59
60 int
61 getBoundaryDimension() const override
62 {
63 return 1;
64 }
65
66 const CoordinateXY* getCoordinate() const override;
67
68 uint8_t getCoordinateDimension() const override;
69
71 getDimension() const override
72 {
73 return Dimension::A; // area
74 }
75
76 const Envelope* getEnvelopeInternal() const override;
77
79 virtual const Curve* getExteriorRing() const = 0;
80
82 virtual const Curve* getInteriorRingN(std::size_t n) const = 0;
83
85 double getLength() const override;
86
88 virtual size_t getNumInteriorRing() const = 0;
89
90 size_t getNumPoints() const override;
91
92 bool hasM() const override;
93
94 bool hasZ() const override;
95
96 bool isEmpty() const override;
97
98protected:
99
100 int
101 compareToSameClass(const Geometry* g) const override;
102
103 // Helper method allowing PolygonImpl to use GeometryFactory without circular imports
104 static std::unique_ptr<Geometry> createEmptyRing(const GeometryFactory&);
105
106 virtual Curve* getExteriorRing() = 0;
107
108 virtual Curve* getInteriorRingN(std::size_t i) = 0;
109
110 void geometryChangedAction() override {}
111
112};
113
114}
115}
Geometry classes support the concept of applying a coordinate filter to every coordinate in the Geome...
Definition CoordinateFilter.h:43
Interface for classes which provide operations that can be applied to the coordinates in a Coordinate...
Definition CoordinateSequenceFilter.h:56
DimensionType
Definition Dimension.h:29
An Envelope defines a rectangulare region of the 2D coordinate plane.
Definition Envelope.h:59
Definition GeometryComponentFilter.h:41
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition GeometryFactory.h:70
Geometry classes support the concept of applying a Geometry filter to the Geometry.
Definition GeometryFilter.h:45
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:197
Definition Surface.h:27
std::unique_ptr< Geometry > convexHull() const override
Returns the smallest convex Polygon that contains all the points in the Geometry.
bool isEmpty() const override
Returns whether or not the set of points in this Geometry is empty.
uint8_t getCoordinateDimension() const override
Returns the coordinate dimension of this Geometry (2=XY, 3=XYZ or XYM, 4=XYZM).
const CoordinateXY * getCoordinate() const override
Returns a vertex of this Geometry, or NULL if this is the empty geometry.
bool equalsIdentical(const Geometry *other) const override
Returns true if the two geometries are of the same type and their vertices corresponding by index are...
bool equalsExact(const Geometry *other, double tolerance=0.0) const override
Returns true iff the two Geometrys are of the same type and their vertices corresponding by index are...
void geometryChangedAction() override
Notifies this Geometry that its Coordinates have been changed by an external party.
Definition Surface.h:110
Dimension::DimensionType getDimension() const override
Returns the dimension of this Geometry (0=point, 1=line, 2=surface)
Definition Surface.h:71
void apply_rw(CoordinateSequenceFilter &filter) override
virtual size_t getNumInteriorRing() const =0
Returns number of interior rings (holes)
int getBoundaryDimension() const override
Returns the dimension of this Geometrys inherent boundary.
Definition Surface.h:61
virtual const Curve * getExteriorRing() const =0
Returns the exterior ring (shell)
size_t getNumPoints() const override
Returns the count of this Geometrys vertices.
const Envelope * getEnvelopeInternal() const override
Returns the minimum and maximum x and y values in this Geometry, or a null Envelope if this Geometry ...
void apply_ro(CoordinateSequenceFilter &filter) const override
double getLength() const override
Returns the perimeter of this Surface.
virtual const Curve * getInteriorRingN(std::size_t n) const =0
Get nth interior ring (hole)
Basic namespace for all GEOS functionalities.
Definition geos.h:39