1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/******************************************************************************
*
* Project: OpenGIS Simple Features Reference Implementation
* Purpose: The OGRSurface class.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 1999, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "cpl_port.h"
#include "ogr_geometry.h"
#include "ogr_p.h"
/**
* \fn double OGRSurface::get_Area() const;
*
* \brief Get the area of the surface object.
*
* For polygons the area is computed as the area of the outer ring less
* the area of all internal rings.
*
* This method relates to the SFCOM ISurface::get_Area() method.
*
* @return the area of the feature in square units of the spatial reference
* system in use.
*/
/**
* \fn OGRErr OGRSurface::PointOnSurface( OGRPoint * poPoint ) const;
*
* \brief This method relates to the SFCOM
* ISurface::get_PointOnSurface() method.
*
* NOTE: Only implemented when GEOS included in build.
*
* @param poPoint point to be set with an internal point.
*
* @return OGRERR_NONE if it succeeds or OGRERR_FAILURE otherwise.
*/
/************************************************************************/
/* CastToPolygon() */
/************************************************************************/
/*! @cond Doxygen_Suppress */
/**
* \brief Cast to polygon
*
* The passed in geometry is consumed and a new one returned (or NULL in case
* of failure)
*
* @param poSurface the input geometry - ownership is passed to the method.
* @return new geometry.
*/
OGRPolygon *OGRSurface::CastToPolygon(OGRSurface *poSurface)
{
OGRSurfaceCasterToPolygon pfn = poSurface->GetCasterToPolygon();
return pfn(poSurface);
}
/************************************************************************/
/* CastToCurvePolygon() */
/************************************************************************/
/**
* \brief Cast to curve polygon
*
* The passed in geometry is consumed and a new one returned (or NULL in case
* of failure)
*
* @param poSurface the input geometry - ownership is passed to the method.
* @return new geometry.
*/
OGRCurvePolygon *OGRSurface::CastToCurvePolygon(OGRSurface *poSurface)
{
OGRSurfaceCasterToCurvePolygon pfn = poSurface->GetCasterToCurvePolygon();
return pfn(poSurface);
}
/*! @endcond */
|
