File: ogrtriangulatedsurface.cpp

package info (click to toggle)
gdal 2.4.2+dfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 106,252 kB
  • sloc: cpp: 1,034,818; ansic: 177,912; python: 23,610; perl: 7,420; sh: 6,283; java: 5,382; xml: 3,100; cs: 2,343; yacc: 1,198; makefile: 519; sql: 112
file content (268 lines) | stat: -rw-r--r-- 9,409 bytes parent folder | download | duplicates (6)
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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
/******************************************************************************
 * $Id: ogrtriangulatedsurface.cpp e7a90bdc58142dd21dfe6d7bf960e96b3f79de5d 2018-05-10 22:33:56 +0200 Even Rouault $
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  The OGRTriangulatedSurface geometry class.
 * Author:   Avyav Kumar Singh <avyavkumar at gmail dot com>
 *
 ******************************************************************************
 * Copyright (c) 2016, Avyav Kumar Singh <avyavkumar at gmail dot com>
 * Copyright (c) 2016, Even Rouault <even.roauult at spatialys.com>
 *
 * 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 "ogr_geometry.h"
#include "ogr_p.h"
#include "ogr_api.h"

CPL_CVSID("$Id: ogrtriangulatedsurface.cpp e7a90bdc58142dd21dfe6d7bf960e96b3f79de5d 2018-05-10 22:33:56 +0200 Even Rouault $")

/************************************************************************/
/*                        OGRTriangulatedSurface()                      */
/************************************************************************/

/**
 * \brief Constructor.
 *
 */

OGRTriangulatedSurface::OGRTriangulatedSurface() = default;

/************************************************************************/
/*        OGRTriangulatedSurface( const OGRTriangulatedSurface& )       */
/************************************************************************/

/**
 * \brief Copy constructor.
 *
 */

OGRTriangulatedSurface::OGRTriangulatedSurface(
                                        const OGRTriangulatedSurface& other ) :
    OGRPolyhedralSurface()
{
    *this = other;
}

/************************************************************************/
/*                        ~OGRTriangulatedSurface()                     */
/************************************************************************/

/**
 * \brief Destructor
 *
 */

OGRTriangulatedSurface::~OGRTriangulatedSurface() = default;

/************************************************************************/
/*                 operator=( const OGRTriangulatedSurface&)            */
/************************************************************************/

/**
 * \brief Assignment operator.
 *
 */

OGRTriangulatedSurface& OGRTriangulatedSurface::operator=(
                                        const OGRTriangulatedSurface& other )
{
    if( this != &other)
    {
        // We need to do it manually. We cannot rely on the = operator
        // of OGRPolyhedralSurface since it will be confused by a multipolygon
        // of triangles.
        OGRSurface::operator=( other );
        empty();
        set3D( other.Is3D() );
        setMeasured( other.IsMeasured() );
        assignSpatialReference( other.getSpatialReference() );
        for(int i=0;i<other.oMP.nGeomCount;i++)
        {
            OGRTriangulatedSurface::addGeometry( other.oMP.getGeometryRef(i) );
        }
    }
    return *this;
}

/************************************************************************/
/*                          getGeometryName()                           */
/************************************************************************/

/**
 * \brief Returns the geometry name of the TriangulatedSurface
 *
 * @return "TIN"
 *
 */

const char* OGRTriangulatedSurface::getGeometryName() const
{
    return "TIN" ;
}

/************************************************************************/
/*                          getGeometryType()                           */
/************************************************************************/

/**
 * \brief Returns the WKB Type of TriangulatedSurface
 *
 */

OGRwkbGeometryType OGRTriangulatedSurface::getGeometryType() const
{
    if( (flags & OGR_G_3D) && (flags & OGR_G_MEASURED) )
        return wkbTINZM;
    else if( flags & OGR_G_MEASURED  )
        return wkbTINM;
    else if( flags & OGR_G_3D )
        return wkbTINZ;
    else
        return wkbTIN;
}

/************************************************************************/
/*                         isCompatibleSubType()                        */
/************************************************************************/

//! @cond Doxygen_Suppress
OGRBoolean OGRTriangulatedSurface::isCompatibleSubType(
                                        OGRwkbGeometryType eSubType ) const
{
    return wkbFlatten( eSubType ) == wkbTriangle;
}
//! @endcond

/************************************************************************/
/*                         getSubGeometryName()                         */
/************************************************************************/

//! @cond Doxygen_Suppress
const char* OGRTriangulatedSurface::getSubGeometryName() const
{
    return "TRIANGLE";
}
//! @endcond

/************************************************************************/
/*                         getSubGeometryType()                         */
/************************************************************************/

//! @cond Doxygen_Suppress
OGRwkbGeometryType OGRTriangulatedSurface::getSubGeometryType() const
{
    return wkbTriangle;
}
//! @endcond

/************************************************************************/
/*                            addGeometry()                             */
/************************************************************************/

OGRErr OGRTriangulatedSurface::addGeometry (const OGRGeometry *poNewGeom)
{
    // If the geometry is a polygon, check if it can be cast as a triangle
    if( EQUAL(poNewGeom->getGeometryName(),"POLYGON") )
    {
        OGRErr eErr = OGRERR_FAILURE;
        OGRTriangle *poTriangle = new OGRTriangle(
                    *(poNewGeom->toPolygon()), eErr);
        if (poTriangle != nullptr && eErr == OGRERR_NONE)
        {
            eErr = addGeometryDirectly(poTriangle);

            if( eErr != OGRERR_NONE )
                delete poTriangle;

            return eErr;
        }
        else
        {
            delete poTriangle;
            return OGRERR_UNSUPPORTED_GEOMETRY_TYPE;
        }
    }

    return OGRPolyhedralSurface::addGeometry(poNewGeom);
}

/************************************************************************/
/*                     GetCasterToMultiPolygon()                        */
/************************************************************************/

//! @cond Doxygen_Suppress
OGRPolyhedralSurfaceCastToMultiPolygon
                        OGRTriangulatedSurface::GetCasterToMultiPolygon() const
{
    return OGRTriangulatedSurface::CastToMultiPolygonImpl;
}

/************************************************************************/
/*                         CastToMultiPolygon()                         */
/************************************************************************/

OGRMultiPolygon* OGRTriangulatedSurface::CastToMultiPolygonImpl(
                                                    OGRPolyhedralSurface* poTS)
{
    OGRMultiPolygon *poMultiPolygon = new OGRMultiPolygon();
    poMultiPolygon->assignSpatialReference(poTS->getSpatialReference());

    for( auto&& poSubGeom: *poTS )
    {
        OGRPolygon *poPolygon = OGRSurface::CastToPolygon(poSubGeom);
        poMultiPolygon->addGeometryDirectly(poPolygon);
        poSubGeom = nullptr;
    }
    delete poTS;

    return poMultiPolygon;
}
//! @endcond

/************************************************************************/
/*                     CastToPolyhedralSurface()                        */
/************************************************************************/

/**
 * \brief Casts the OGRTriangulatedSurface to an OGRPolyhedralSurface
 *
 * The passed in geometry is consumed and a new one returned (or NULL in case
 * of failure)
 *
 * @param poTS the input geometry - ownership is passed to the method.
 * @return new geometry.
 */


OGRPolyhedralSurface* OGRTriangulatedSurface::CastToPolyhedralSurface(
                                                OGRTriangulatedSurface* poTS)
{
    OGRPolyhedralSurface* poPS = new OGRPolyhedralSurface();
    poPS->assignSpatialReference(poTS->getSpatialReference());
    for( auto&& poSubGeom: *poTS )
    {
        OGRPolygon *poPolygon = OGRSurface::CastToPolygon(poSubGeom);
        poPS->oMP.addGeometryDirectly(poPolygon);
        poSubGeom = nullptr;
    }
    delete poTS;
    return poPS;
}