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/******************************************************************************
*
* Project: OpenGIS Simple Features Reference Implementation
* Purpose: The OGRMultiCurve class.
* Author: Even Rouault <even dot rouault at spatialys dot com>
*
******************************************************************************
* Copyright (c) 2014, Even Rouault <even dot rouault at spatialys dot 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 "cpl_port.h"
#include "ogr_geometry.h"
#include <cstddef>
#include "cpl_error.h"
#include "ogr_api.h"
#include "ogr_core.h"
#include "ogr_p.h"
/************************************************************************/
/* OGRMultiCurve() */
/************************************************************************/
/**
* \brief Create an empty multi curve collection.
*/
OGRMultiCurve::OGRMultiCurve() = default;
/************************************************************************/
/* OGRMultiCurve( const OGRMultiCurve& ) */
/************************************************************************/
/**
* \brief Copy constructor.
*
* Note: before GDAL 2.1, only the default implementation of the constructor
* existed, which could be unsafe to use.
*
* @since GDAL 2.1
*/
OGRMultiCurve::OGRMultiCurve(const OGRMultiCurve &) = default;
/************************************************************************/
/* ~OGRMultiCurve() */
/************************************************************************/
OGRMultiCurve::~OGRMultiCurve() = default;
/************************************************************************/
/* operator=( const OGRMultiCurve&) */
/************************************************************************/
/**
* \brief Assignment operator.
*
* Note: before GDAL 2.1, only the default implementation of the operator
* existed, which could be unsafe to use.
*
* @since GDAL 2.1
*/
OGRMultiCurve &OGRMultiCurve::operator=(const OGRMultiCurve &other)
{
if (this != &other)
{
OGRGeometryCollection::operator=(other);
}
return *this;
}
/************************************************************************/
/* clone() */
/************************************************************************/
OGRMultiCurve *OGRMultiCurve::clone() const
{
return new (std::nothrow) OGRMultiCurve(*this);
}
/************************************************************************/
/* getGeometryType() */
/************************************************************************/
OGRwkbGeometryType OGRMultiCurve::getGeometryType() const
{
if ((flags & OGR_G_3D) && (flags & OGR_G_MEASURED))
return wkbMultiCurveZM;
else if (flags & OGR_G_MEASURED)
return wkbMultiCurveM;
else if (flags & OGR_G_3D)
return wkbMultiCurveZ;
else
return wkbMultiCurve;
}
/************************************************************************/
/* getDimension() */
/************************************************************************/
int OGRMultiCurve::getDimension() const
{
return 1;
}
/************************************************************************/
/* getGeometryName() */
/************************************************************************/
const char *OGRMultiCurve::getGeometryName() const
{
return "MULTICURVE";
}
/************************************************************************/
/* isCompatibleSubType() */
/************************************************************************/
OGRBoolean
OGRMultiCurve::isCompatibleSubType(OGRwkbGeometryType eGeomType) const
{
return OGR_GT_IsCurve(eGeomType);
}
/*! @cond Doxygen_Suppress */
/************************************************************************/
/* addCurveDirectlyFromWkt() */
/************************************************************************/
OGRErr OGRMultiCurve::addCurveDirectlyFromWkt(OGRGeometry *poSelf,
OGRCurve *poCurve)
{
return poSelf->toMultiCurve()->addGeometryDirectly(poCurve);
}
/*! @endcond */
/************************************************************************/
/* importFromWkt() */
/* */
/* Instantiate from well known text format. */
/************************************************************************/
OGRErr OGRMultiCurve::importFromWkt(const char **ppszInput)
{
const bool bIsMultiCurve = wkbFlatten(getGeometryType()) == wkbMultiCurve;
return importCurveCollectionFromWkt(ppszInput,
TRUE, // bAllowEmptyComponent.
bIsMultiCurve, // bAllowLineString.
bIsMultiCurve, // bAllowCurve.
bIsMultiCurve, // bAllowCompoundCurve.
addCurveDirectlyFromWkt);
}
/************************************************************************/
/* exportToWkt() */
/************************************************************************/
std::string OGRMultiCurve::exportToWkt(const OGRWktOptions &opts,
OGRErr *err) const
{
OGRWktOptions optsModified(opts);
optsModified.variant = wkbVariantIso;
return exportToWktInternal(optsModified, err, "LINESTRING");
}
/************************************************************************/
/* hasCurveGeometry() */
/************************************************************************/
OGRBoolean OGRMultiCurve::hasCurveGeometry(int bLookForNonLinear) const
{
if (bLookForNonLinear)
return OGRGeometryCollection::hasCurveGeometry(TRUE);
return true;
}
/************************************************************************/
/* CastToMultiLineString() */
/************************************************************************/
/**
* \brief Cast to multi line string.
*
* This method should only be called if the multicurve actually only contains
* instances of OGRLineString. This can be verified if hasCurveGeometry(TRUE)
* returns FALSE. It is not intended to approximate circular curves. For that
* use getLinearGeometry().
*
* The passed in geometry is consumed and a new one returned (or NULL in case
* of failure).
*
* @param poMC the input geometry - ownership is passed to the method.
* @return new geometry.
*/
OGRMultiLineString *OGRMultiCurve::CastToMultiLineString(OGRMultiCurve *poMC)
{
for (auto &&poSubGeom : *poMC)
{
poSubGeom = OGRCurve::CastToLineString(poSubGeom);
if (poSubGeom == nullptr)
{
delete poMC;
return nullptr;
}
}
OGRMultiLineString *poMLS = new OGRMultiLineString();
TransferMembersAndDestroy(poMC, poMLS);
return poMLS;
}
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