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/******************************************************************************
* $Id: ogrgtmlayer.cpp 17588 2009-08-27 20:52:33Z rouault $
*
* Project: GTM Driver
* Purpose: Implementation of OGRGTMLayer class.
* Author: Leonardo de Paula Rosa Piga; http://lampiao.lsc.ic.unicamp.br/~piga
*
******************************************************************************
* Copyright (c) 2009, Leonardo de Paula Rosa Piga
*
* 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_gtm.h"
OGRGTMLayer::OGRGTMLayer()
{
poDS = NULL;
poSRS = NULL;
poCT = NULL;
pszName = NULL;
poFeatureDefn = NULL;
nNextFID = 0;
nTotalFCount = 0;
bError = FALSE;
}
OGRGTMLayer::~OGRGTMLayer()
{
if (poFeatureDefn != NULL)
{
poFeatureDefn->Release();
poFeatureDefn = NULL;
}
if (poSRS != NULL)
{
poSRS->Release();
poSRS = NULL;
}
if (poCT != NULL)
{
delete poCT;
poCT = NULL;
}
CPLFree( pszName );
}
/************************************************************************/
/* GetLayerDefn() */
/************************************************************************/
OGRFeatureDefn* OGRGTMLayer::GetLayerDefn()
{
return poFeatureDefn;
}
/************************************************************************/
/* TestCapability() */
/************************************************************************/
int OGRGTMLayer::TestCapability( const char * pszCap )
{
if (EQUAL(pszCap,OLCFastFeatureCount) &&
m_poFilterGeom == NULL && m_poAttrQuery == NULL )
return TRUE;
else
return FALSE;
}
/************************************************************************/
/* CheckAndFixCoordinatesValidity() */
/************************************************************************/
OGRErr OGRGTMLayer::CheckAndFixCoordinatesValidity( double& pdfLatitude, double& pdfLongitude )
{
if (pdfLatitude < -90 || pdfLatitude > 90)
{
static int bFirstWarning = TRUE;
if (bFirstWarning)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Latitude %f is invalid. Valid range is [-90,90]. This warning will not be issued any more",
pdfLatitude);
bFirstWarning = FALSE;
}
return CE_Failure;
}
if (pdfLongitude < -180 || pdfLongitude > 180)
{
static int bFirstWarning = TRUE;
if (bFirstWarning)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Longitude %f has been modified to fit into range [-180,180]. This warning will not be issued any more",
pdfLongitude);
bFirstWarning = FALSE;
}
if (pdfLongitude > 180)
pdfLongitude -= ((int) ((pdfLongitude+180)/360)*360);
else if (pdfLongitude < -180)
pdfLongitude += ((int) (180 - pdfLongitude)/360)*360;
return CE_None;
}
return CE_None;
}
/************************************************************************/
/* CreateField() */
/************************************************************************/
OGRErr OGRGTMLayer::CreateField( OGRFieldDefn *poField, int bApproxOK )
{
for( int iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++ )
{
if (strcmp(poFeatureDefn->GetFieldDefn(iField)->GetNameRef(),
poField->GetNameRef() ) == 0)
{
return OGRERR_NONE;
}
}
CPLError(CE_Failure, CPLE_NotSupported,
"Field of name '%s' is not supported. ",
poField->GetNameRef());
return OGRERR_FAILURE;
}
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