/
qgsvectorfilewriter.cpp
2851 lines (2487 loc) · 102 KB
/
qgsvectorfilewriter.cpp
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/***************************************************************************
qgsvectorfilewriter.cpp
generic vector file writer
-------------------
begin : Sat Jun 16 2004
copyright : (C) 2004 by Tim Sutton
email : tim at linfiniti.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsapplication.h"
#include "qgsfield.h"
#include "qgsfeature.h"
#include "qgsfeatureiterator.h"
#include "qgsgeometry.h"
#include "qgslogger.h"
#include "qgsmessagelog.h"
#include "qgscoordinatereferencesystem.h"
#include "qgsvectorfilewriter.h"
#include "qgsrendererv2.h"
#include "qgssymbollayerv2.h"
#include "qgsvectordataprovider.h"
#include "qgsvectorlayer.h"
#include "qgslocalec.h"
#include "qgscsexception.h"
#include <QFile>
#include <QSettings>
#include <QFileInfo>
#include <QDir>
#include <QTextCodec>
#include <QTextStream>
#include <QSet>
#include <QMetaType>
#include <cassert>
#include <cstdlib> // size_t
#include <limits> // std::numeric_limits
#include <ogr_srs_api.h>
#include <cpl_error.h>
#include <cpl_conv.h>
#if defined(GDAL_VERSION_NUM) && GDAL_VERSION_NUM >= 1800
#define TO8F(x) (x).toUtf8().constData()
#else
#define TO8F(x) QFile::encodeName( x ).constData()
#endif
QgsVectorFileWriter::FieldValueConverter::FieldValueConverter()
{
}
QgsVectorFileWriter::FieldValueConverter::~FieldValueConverter()
{
}
QgsField QgsVectorFileWriter::FieldValueConverter::fieldDefinition( const QgsField& field )
{
return field;
}
QVariant QgsVectorFileWriter::FieldValueConverter::convert( int /*fieldIdxInLayer*/, const QVariant& value )
{
return value;
}
QgsVectorFileWriter::QgsVectorFileWriter(
const QString &theVectorFileName,
const QString &theFileEncoding,
const QgsFields& fields,
QgsWkbTypes::Type geometryType,
const QgsCoordinateReferenceSystem& srs,
const QString& driverName,
const QStringList &datasourceOptions,
const QStringList &layerOptions,
QString *newFilename,
SymbologyExport symbologyExport
)
: mDS( nullptr )
, mLayer( nullptr )
, mOgrRef( nullptr )
, mGeom( nullptr )
, mError( NoError )
, mCodec( nullptr )
, mWkbType( geometryType )
, mSymbologyExport( symbologyExport )
, mSymbologyScaleDenominator( 1.0 )
, mFieldValueConverter( nullptr )
{
init( theVectorFileName, theFileEncoding, fields, geometryType ,
srs, driverName, datasourceOptions, layerOptions, newFilename, nullptr );
}
QgsVectorFileWriter::QgsVectorFileWriter( const QString& vectorFileName,
const QString& fileEncoding,
const QgsFields& fields,
QgsWkbTypes::Type geometryType,
const QgsCoordinateReferenceSystem& srs,
const QString& driverName,
const QStringList& datasourceOptions,
const QStringList& layerOptions,
QString* newFilename,
QgsVectorFileWriter::SymbologyExport symbologyExport,
FieldValueConverter* fieldValueConverter )
: mDS( nullptr )
, mLayer( nullptr )
, mOgrRef( nullptr )
, mGeom( nullptr )
, mError( NoError )
, mCodec( nullptr )
, mWkbType( geometryType )
, mSymbologyExport( symbologyExport )
, mSymbologyScaleDenominator( 1.0 )
, mFieldValueConverter( nullptr )
{
init( vectorFileName, fileEncoding, fields, geometryType, srs, driverName,
datasourceOptions, layerOptions, newFilename, fieldValueConverter );
}
void QgsVectorFileWriter::init( QString vectorFileName,
QString fileEncoding,
const QgsFields& fields,
QgsWkbTypes::Type geometryType,
QgsCoordinateReferenceSystem srs,
const QString& driverName,
QStringList datasourceOptions,
QStringList layerOptions,
QString* newFilename,
FieldValueConverter* fieldValueConverter )
{
mRenderContext.setRendererScale( mSymbologyScaleDenominator );
if ( vectorFileName.isEmpty() )
{
mErrorMessage = QObject::tr( "Empty filename given" );
mError = ErrCreateDataSource;
return;
}
if ( driverName == "MapInfo MIF" )
{
mOgrDriverName = "MapInfo File";
}
else if ( driverName == "SpatiaLite" )
{
mOgrDriverName = "SQLite";
if ( !datasourceOptions.contains( "SPATIALITE=YES" ) )
{
datasourceOptions.append( "SPATIALITE=YES" );
}
}
else if ( driverName == "DBF file" )
{
mOgrDriverName = "ESRI Shapefile";
if ( !layerOptions.contains( "SHPT=NULL" ) )
{
layerOptions.append( "SHPT=NULL" );
}
srs = QgsCoordinateReferenceSystem();
}
else
{
mOgrDriverName = driverName;
}
// find driver in OGR
OGRSFDriverH poDriver;
QgsApplication::registerOgrDrivers();
poDriver = OGRGetDriverByName( mOgrDriverName.toLocal8Bit().constData() );
if ( !poDriver )
{
mErrorMessage = QObject::tr( "OGR driver for '%1' not found (OGR error: %2)" )
.arg( driverName,
QString::fromUtf8( CPLGetLastErrorMsg() ) );
mError = ErrDriverNotFound;
return;
}
MetaData metadata;
bool metadataFound = driverMetadata( driverName, metadata );
if ( mOgrDriverName == "ESRI Shapefile" )
{
if ( layerOptions.join( "" ).toUpper().indexOf( "ENCODING=" ) == -1 )
{
layerOptions.append( "ENCODING=" + convertCodecNameForEncodingOption( fileEncoding ) );
}
if ( driverName == "ESRI Shapefile" && !vectorFileName.endsWith( ".shp", Qt::CaseInsensitive ) )
{
vectorFileName += ".shp";
}
else if ( driverName == "DBF file" && !vectorFileName.endsWith( ".dbf", Qt::CaseInsensitive ) )
{
vectorFileName += ".dbf";
}
#if defined(GDAL_VERSION_NUM) && GDAL_VERSION_NUM < 1700
// check for unique fieldnames
QSet<QString> fieldNames;
for ( int i = 0; i < fields.count(); ++i )
{
QString name = fields[i].name().left( 10 );
if ( fieldNames.contains( name ) )
{
mErrorMessage = QObject::tr( "trimming attribute name '%1' to ten significant characters produces duplicate column name." )
.arg( fields[i].name() );
mError = ErrAttributeCreationFailed;
return;
}
fieldNames << name;
}
#endif
deleteShapeFile( vectorFileName );
}
else
{
if ( metadataFound )
{
QStringList allExts = metadata.ext.split( ' ', QString::SkipEmptyParts );
bool found = false;
Q_FOREACH ( const QString& ext, allExts )
{
if ( vectorFileName.endsWith( '.' + ext, Qt::CaseInsensitive ) )
{
found = true;
break;
}
}
if ( !found )
{
vectorFileName += '.' + allExts[0];
}
}
QFile::remove( vectorFileName );
}
if ( metadataFound && !metadata.compulsoryEncoding.isEmpty() )
{
if ( fileEncoding.compare( metadata.compulsoryEncoding, Qt::CaseInsensitive ) != 0 )
{
QgsDebugMsg( QString( "forced %1 encoding for %2" ).arg( metadata.compulsoryEncoding ).arg( driverName ) );
fileEncoding = metadata.compulsoryEncoding;
}
}
char **options = nullptr;
if ( !datasourceOptions.isEmpty() )
{
options = new char *[ datasourceOptions.size()+1 ];
for ( int i = 0; i < datasourceOptions.size(); i++ )
{
options[i] = CPLStrdup( datasourceOptions[i].toLocal8Bit().constData() );
}
options[ datasourceOptions.size()] = nullptr;
}
// create the data source
mDS = OGR_Dr_CreateDataSource( poDriver, TO8F( vectorFileName ), options );
if ( options )
{
for ( int i = 0; i < datasourceOptions.size(); i++ )
CPLFree( options[i] );
delete [] options;
options = nullptr;
}
if ( !mDS )
{
mError = ErrCreateDataSource;
mErrorMessage = QObject::tr( "creation of data source failed (OGR error:%1)" )
.arg( QString::fromUtf8( CPLGetLastErrorMsg() ) );
return;
}
QgsDebugMsg( "Created data source" );
// use appropriate codec
mCodec = QTextCodec::codecForName( fileEncoding.toLocal8Bit().constData() );
if ( !mCodec )
{
QgsDebugMsg( "error finding QTextCodec for " + fileEncoding );
QSettings settings;
QString enc = settings.value( "/UI/encoding", "System" ).toString();
mCodec = QTextCodec::codecForName( enc.toLocal8Bit().constData() );
if ( !mCodec )
{
QgsDebugMsg( "error finding QTextCodec for " + enc );
mCodec = QTextCodec::codecForLocale();
Q_ASSERT( mCodec );
}
}
// consider spatial reference system of the layer
if ( srs.isValid() )
{
QString srsWkt = srs.toWkt();
QgsDebugMsg( "WKT to save as is " + srsWkt );
mOgrRef = OSRNewSpatialReference( srsWkt.toLocal8Bit().constData() );
}
// datasource created, now create the output layer
QString layerName = QFileInfo( vectorFileName ).baseName();
OGRwkbGeometryType wkbType = ogrTypeFromWkbType( geometryType );
// Remove FEATURE_DATASET layer option (used for ESRI File GDB driver) if its value is not set
int optIndex = layerOptions.indexOf( "FEATURE_DATASET=" );
if ( optIndex != -1 )
{
layerOptions.removeAt( optIndex );
}
if ( !layerOptions.isEmpty() )
{
options = new char *[ layerOptions.size()+1 ];
for ( int i = 0; i < layerOptions.size(); i++ )
{
options[i] = CPLStrdup( layerOptions[i].toLocal8Bit().constData() );
}
options[ layerOptions.size()] = nullptr;
}
// disable encoding conversion of OGR Shapefile layer
CPLSetConfigOption( "SHAPE_ENCODING", "" );
mLayer = OGR_DS_CreateLayer( mDS, TO8F( layerName ), mOgrRef, wkbType, options );
if ( options )
{
for ( int i = 0; i < layerOptions.size(); i++ )
CPLFree( options[i] );
delete [] options;
options = nullptr;
}
QSettings settings;
if ( !settings.value( "/qgis/ignoreShapeEncoding", true ).toBool() )
{
CPLSetConfigOption( "SHAPE_ENCODING", nullptr );
}
if ( srs.isValid() )
{
if ( mOgrDriverName == "ESRI Shapefile" )
{
QString layerName = vectorFileName.left( vectorFileName.indexOf( ".shp", Qt::CaseInsensitive ) );
QFile prjFile( layerName + ".qpj" );
if ( prjFile.open( QIODevice::WriteOnly ) )
{
QTextStream prjStream( &prjFile );
prjStream << srs.toWkt().toLocal8Bit().constData() << endl;
prjFile.close();
}
else
{
QgsDebugMsg( "Couldn't open file " + layerName + ".qpj" );
}
}
}
if ( !mLayer )
{
mErrorMessage = QObject::tr( "creation of layer failed (OGR error:%1)" )
.arg( QString::fromUtf8( CPLGetLastErrorMsg() ) );
mError = ErrCreateLayer;
return;
}
OGRFeatureDefnH defn = OGR_L_GetLayerDefn( mLayer );
QgsDebugMsg( "created layer" );
// create the fields
QgsDebugMsg( "creating " + QString::number( fields.size() ) + " fields" );
mFields = fields;
mAttrIdxToOgrIdx.clear();
QSet<int> existingIdxs;
mFieldValueConverter = fieldValueConverter;
for ( int fldIdx = 0; fldIdx < fields.count(); ++fldIdx )
{
QgsField attrField = fields.at( fldIdx );
OGRFieldType ogrType = OFTString; //default to string
if ( fieldValueConverter )
{
attrField = fieldValueConverter->fieldDefinition( fields.at( fldIdx ) );
}
int ogrWidth = attrField.length();
int ogrPrecision = attrField.precision();
if ( ogrPrecision > 0 )
++ogrWidth;
switch ( attrField.type() )
{
#if defined(GDAL_VERSION_NUM) && GDAL_VERSION_NUM < 2000000
case QVariant::LongLong:
ogrType = OFTString;
ogrWidth = ogrWidth > 0 && ogrWidth <= 21 ? ogrWidth : 21;
ogrPrecision = -1;
break;
#else
case QVariant::LongLong:
ogrType = OFTInteger64;
ogrWidth = ogrWidth > 0 && ogrWidth <= 20 ? ogrWidth : 20;
ogrPrecision = 0;
break;
#endif
case QVariant::String:
ogrType = OFTString;
if ( ogrWidth <= 0 || ogrWidth > 255 )
ogrWidth = 255;
break;
case QVariant::Int:
ogrType = OFTInteger;
ogrWidth = ogrWidth > 0 && ogrWidth <= 10 ? ogrWidth : 10;
ogrPrecision = 0;
break;
case QVariant::Double:
ogrType = OFTReal;
break;
case QVariant::Date:
ogrType = OFTDate;
break;
case QVariant::Time:
if ( mOgrDriverName == "ESRI Shapefile" )
{
ogrType = OFTString;
ogrWidth = 12; // %02d:%02d:%06.3f
}
else
{
ogrType = OFTTime;
}
break;
case QVariant::DateTime:
if ( mOgrDriverName == "ESRI Shapefile" )
{
ogrType = OFTString;
ogrWidth = 24; // "%04d/%02d/%02d %02d:%02d:%06.3f"
}
else
{
ogrType = OFTDateTime;
}
break;
default:
//assert(0 && "invalid variant type!");
mErrorMessage = QObject::tr( "unsupported type for field %1" )
.arg( attrField.name() );
mError = ErrAttributeTypeUnsupported;
return;
}
QString name( attrField.name() );
if ( mOgrDriverName == "SQLite" && name.compare( "ogc_fid", Qt::CaseInsensitive ) == 0 )
{
int i;
for ( i = 0; i < 10; i++ )
{
name = QString( "ogc_fid%1" ).arg( i );
int j;
for ( j = 0; j < fields.size() && name.compare( fields.at( j ).name(), Qt::CaseInsensitive ) != 0; j++ )
;
if ( j == fields.size() )
break;
}
if ( i == 10 )
{
mErrorMessage = QObject::tr( "no available replacement for internal fieldname ogc_fid found" ).arg( attrField.name() );
mError = ErrAttributeCreationFailed;
return;
}
QgsMessageLog::logMessage( QObject::tr( "Reserved attribute name ogc_fid replaced with %1" ).arg( name ), QObject::tr( "OGR" ) );
}
// create field definition
OGRFieldDefnH fld = OGR_Fld_Create( mCodec->fromUnicode( name ), ogrType );
if ( ogrWidth > 0 )
{
OGR_Fld_SetWidth( fld, ogrWidth );
}
if ( ogrPrecision >= 0 )
{
OGR_Fld_SetPrecision( fld, ogrPrecision );
}
// create the field
QgsDebugMsg( "creating field " + attrField.name() +
" type " + QString( QVariant::typeToName( attrField.type() ) ) +
" width " + QString::number( ogrWidth ) +
" precision " + QString::number( ogrPrecision ) );
if ( OGR_L_CreateField( mLayer, fld, true ) != OGRERR_NONE )
{
QgsDebugMsg( "error creating field " + attrField.name() );
mErrorMessage = QObject::tr( "creation of field %1 failed (OGR error: %2)" )
.arg( attrField.name(),
QString::fromUtf8( CPLGetLastErrorMsg() ) );
mError = ErrAttributeCreationFailed;
OGR_Fld_Destroy( fld );
return;
}
OGR_Fld_Destroy( fld );
int ogrIdx = OGR_FD_GetFieldIndex( defn, mCodec->fromUnicode( name ) );
QgsDebugMsg( QString( "returned field index for %1: %2" ).arg( name ).arg( ogrIdx ) );
if ( ogrIdx < 0 || existingIdxs.contains( ogrIdx ) )
{
#if defined(GDAL_VERSION_NUM) && GDAL_VERSION_NUM < 1700
// if we didn't find our new column, assume it's name was truncated and
// it was the last one added (like for shape files)
int fieldCount = OGR_FD_GetFieldCount( defn );
OGRFieldDefnH fdefn = OGR_FD_GetFieldDefn( defn, fieldCount - 1 );
if ( fdefn )
{
const char *fieldName = OGR_Fld_GetNameRef( fdefn );
if ( attrField.name().left( strlen( fieldName ) ) == fieldName )
{
ogrIdx = fieldCount - 1;
}
}
#else
// GDAL 1.7 not just truncates, but launders more aggressivly.
ogrIdx = OGR_FD_GetFieldCount( defn ) - 1;
#endif
if ( ogrIdx < 0 )
{
QgsDebugMsg( "error creating field " + attrField.name() );
mErrorMessage = QObject::tr( "created field %1 not found (OGR error: %2)" )
.arg( attrField.name(),
QString::fromUtf8( CPLGetLastErrorMsg() ) );
mError = ErrAttributeCreationFailed;
return;
}
}
existingIdxs.insert( ogrIdx );
mAttrIdxToOgrIdx.insert( fldIdx, ogrIdx );
}
QgsDebugMsg( "Done creating fields" );
mWkbType = geometryType;
if ( mWkbType != QgsWkbTypes::NoGeometry )
{
// create geometry which will be used for import
mGeom = createEmptyGeometry( mWkbType );
}
if ( newFilename )
*newFilename = vectorFileName;
}
OGRGeometryH QgsVectorFileWriter::createEmptyGeometry( QgsWkbTypes::Type wkbType )
{
return OGR_G_CreateGeometry( ogrTypeFromWkbType( wkbType ) );
}
QMap<QString, QgsVectorFileWriter::MetaData> QgsVectorFileWriter::initMetaData()
{
QMap<QString, MetaData> driverMetadata;
QMap<QString, Option*> datasetOptions;
QMap<QString, Option*> layerOptions;
// Arc/Info ASCII Coverage
datasetOptions.clear();
layerOptions.clear();
driverMetadata.insert( "AVCE00",
MetaData(
"Arc/Info ASCII Coverage",
QObject::tr( "Arc/Info ASCII Coverage" ),
"*.e00",
"e00",
datasetOptions,
layerOptions
)
);
// Atlas BNA
datasetOptions.clear();
layerOptions.clear();
datasetOptions.insert( "LINEFORMAT", new SetOption(
QObject::tr( "New BNA files are created by the "
"systems default line termination conventions. "
"This may be overridden here." ),
QStringList()
<< "CRLF"
<< "LF",
"", // Default value
true // Allow None
) );
datasetOptions.insert( "MULTILINE", new BoolOption(
QObject::tr( "By default, BNA files are created in multi-line format. "
"For each record, the first line contains the identifiers and the "
"type/number of coordinates to follow. Each following line contains "
"a pair of coordinates." ),
true // Default value
) );
datasetOptions.insert( "NB_IDS", new SetOption(
QObject::tr( "BNA records may contain from 2 to 4 identifiers per record. "
"Some software packages only support a precise number of identifiers. "
"You can override the default value (2) by a precise value" ),
QStringList()
<< "2"
<< "3"
<< "4"
<< "NB_SOURCE_FIELDS",
"2" // Default value
) );
datasetOptions.insert( "ELLIPSES_AS_ELLIPSES", new BoolOption(
QObject::tr( "The BNA writer will try to recognize ellipses and circles when writing a polygon. "
"This will only work if the feature has previously been read from a BNA file. "
"As some software packages do not support ellipses/circles in BNA data file, "
"it may be useful to tell the writer by specifying ELLIPSES_AS_ELLIPSES=NO not "
"to export them as such, but keep them as polygons." ),
true // Default value
) );
datasetOptions.insert( "NB_PAIRS_PER_LINE", new IntOption(
QObject::tr( "Limit the number of coordinate pairs per line in multiline format." ),
2 // Default value
) );
datasetOptions.insert( "COORDINATE_PRECISION", new IntOption(
QObject::tr( "Set the number of decimal for coordinates. Default value is 10." ),
10 // Default value
) );
driverMetadata.insert( "BNA",
MetaData(
"Atlas BNA",
QObject::tr( "Atlas BNA" ),
"*.bna",
"bna",
datasetOptions,
layerOptions
)
);
// Comma Separated Value
datasetOptions.clear();
layerOptions.clear();
layerOptions.insert( "LINEFORMAT", new SetOption(
QObject::tr( "By default when creating new .csv files they "
"are created with the line termination conventions "
"of the local platform (CR/LF on Win32 or LF on all other systems). "
"This may be overridden through the use of the LINEFORMAT option." ),
QStringList()
<< "CRLF"
<< "LF",
"", // Default value
true // Allow None
) );
layerOptions.insert( "GEOMETRY", new SetOption(
QObject::tr( "By default, the geometry of a feature written to a .csv file is discarded. "
"It is possible to export the geometry in its WKT representation by "
"specifying GEOMETRY=AS_WKT. It is also possible to export point geometries "
"into their X,Y,Z components by specifying GEOMETRY=AS_XYZ, GEOMETRY=AS_XY "
"or GEOMETRY=AS_YX." ),
QStringList()
<< "AS_WKT"
<< "AS_XYZ"
<< "AS_XY"
<< "AS_YX",
"AS_XY", // Default value
true // Allow None
) );
layerOptions.insert( "CREATE_CSVT", new BoolOption(
QObject::tr( "Create the associated .csvt file to describe the type of each "
"column of the layer and its optional width and precision." ),
false // Default value
) );
layerOptions.insert( "SEPARATOR", new SetOption(
QObject::tr( "Field separator character." ),
QStringList()
<< "COMMA"
<< "SEMICOLON"
<< "TAB",
"COMMA" // Default value
) );
layerOptions.insert( "WRITE_BOM", new BoolOption(
QObject::tr( "Write a UTF-8 Byte Order Mark (BOM) at the start of the file." ),
false // Default value
) );
driverMetadata.insert( "CSV",
MetaData(
"Comma Separated Value [CSV]",
QObject::tr( "Comma Separated Value [CSV]" ),
"*.csv",
"csv",
datasetOptions,
layerOptions
)
);
// ESRI Shapefile
datasetOptions.clear();
layerOptions.clear();
layerOptions.insert( "SHPT", new SetOption(
QObject::tr( "Override the type of shapefile created. "
"Can be one of NULL for a simple .dbf file with no .shp file, POINT, "
"ARC, POLYGON or MULTIPOINT for 2D, or POINTZ, ARCZ, POLYGONZ or "
"MULTIPOINTZ for 3D. Shapefiles with measure values are not supported, "
"nor are MULTIPATCH files." ),
QStringList()
<< "NULL"
<< "POINT"
<< "ARC"
<< "POLYGON"
<< "MULTIPOINT"
<< "POINTZ"
<< "ARCZ"
<< "POLYGONZ"
<< "MULTIPOINTZ",
QString(), // Default value
true // Allow None
) );
// there does not seem to be a reason to provide this option to the user again
// as we set encoding for shapefiles based on "fileEncoding" parameter passed to the writer
#if 0
layerOptions.insert( "ENCODING", new SetOption(
QObject::tr( "set the encoding value in the DBF file. "
"The default value is LDID/87. It is not clear "
"what other values may be appropriate." ),
QStringList()
<< "LDID/87",
"LDID/87" // Default value
) );
#endif
layerOptions.insert( "RESIZE", new BoolOption(
QObject::tr( "Set to YES to resize fields to their optimal size." ),
false // Default value
) );
driverMetadata.insert( "ESRI",
MetaData(
"ESRI Shapefile",
QObject::tr( "ESRI Shapefile" ),
"*.shp",
"shp",
datasetOptions,
layerOptions
)
);
// DBF File
datasetOptions.clear();
layerOptions.clear();
driverMetadata.insert( "DBF File",
MetaData(
"DBF File",
QObject::tr( "DBF File" ),
"*.dbf",
"dbf",
datasetOptions,
layerOptions
)
);
// FMEObjects Gateway
datasetOptions.clear();
layerOptions.clear();
driverMetadata.insert( "FMEObjects Gateway",
MetaData(
"FMEObjects Gateway",
QObject::tr( "FMEObjects Gateway" ),
"*.fdd",
"fdd",
datasetOptions,
layerOptions
)
);
// GeoJSON
datasetOptions.clear();
layerOptions.clear();
layerOptions.insert( "WRITE_BBOX", new BoolOption(
QObject::tr( "Set to YES to write a bbox property with the bounding box "
"of the geometries at the feature and feature collection level." ),
false // Default value
) );
layerOptions.insert( "COORDINATE_PRECISION", new IntOption(
QObject::tr( "Maximum number of figures after decimal separator to write in coordinates. "
"Default to 15. Truncation will occur to remove trailing zeros." ),
15 // Default value
) );
driverMetadata.insert( "GeoJSON",
MetaData(
"GeoJSON",
QObject::tr( "GeoJSON" ),
"*.geojson",
"geojson",
datasetOptions,
layerOptions,
"UTF-8"
)
);
// GeoRSS
datasetOptions.clear();
layerOptions.clear();
datasetOptions.insert( "FORMAT", new SetOption(
QObject::tr( "whether the document must be in RSS 2.0 or Atom 1.0 format. "
"Default value : RSS" ),
QStringList()
<< "RSS"
<< "ATOM",
"RSS" // Default value
) );
datasetOptions.insert( "GEOM_DIALECT", new SetOption(
QObject::tr( "The encoding of location information. Default value : SIMPLE. "
"W3C_GEO only supports point geometries. "
"SIMPLE or W3C_GEO only support geometries in geographic WGS84 coordinates." ),
QStringList()
<< "SIMPLE"
<< "GML"
<< "W3C_GEO",
"SIMPLE" // Default value
) );
datasetOptions.insert( "USE_EXTENSIONS", new BoolOption(
QObject::tr( "If defined to YES, extension fields will be written. "
"If the field name not found in the base schema matches "
"the foo_bar pattern, foo will be considered as the namespace "
"of the element, and a <foo:bar> element will be written. "
"Otherwise, elements will be written in the <ogr:> namespace." ),
true // Default value
) );
datasetOptions.insert( "WRITE_HEADER_AND_FOOTER", new BoolOption(
QObject::tr( "If defined to NO, only <entry> or <item> elements will be written. "
"The user will have to provide the appropriate header and footer of the document." ),
true // Default value
) );
datasetOptions.insert( "HEADER", new StringOption(
QObject::tr( "XML content that will be put between the <channel> element and the "
"first <item> element for a RSS document, or between the xml tag and "
"the first <entry> element for an Atom document. " ),
"" // Default value
) );
datasetOptions.insert( "TITLE", new StringOption(
QObject::tr( "Value put inside the <title> element in the header. "
"If not provided, a dummy value will be used as that element is compulsory." ),
"" // Default value
) );
datasetOptions.insert( "DESCRIPTION", new StringOption(
QObject::tr( "Value put inside the <description> element in the header. "
"If not provided, a dummy value will be used as that element is compulsory." ),
"" // Default value
) );
datasetOptions.insert( "LINK", new StringOption(
QObject::tr( "Value put inside the <link> element in the header. "
"If not provided, a dummy value will be used as that element is compulsory." ),
"" // Default value
) );
datasetOptions.insert( "UPDATED", new StringOption(
QObject::tr( "Value put inside the <updated> element in the header. "
"Should be formatted as a XML datetime. "
"If not provided, a dummy value will be used as that element is compulsory." ),
"" // Default value
) );
datasetOptions.insert( "AUTHOR_NAME", new StringOption(
QObject::tr( "Value put inside the <author><name> element in the header. "
"If not provided, a dummy value will be used as that element is compulsory." ),
"" // Default value
) );
datasetOptions.insert( "ID", new StringOption(
QObject::tr( "Value put inside the <id> element in the header. "
"If not provided, a dummy value will be used as that element is compulsory." ),
"" // Default value
) );
driverMetadata.insert( "GeoRSS",
MetaData(
"GeoRSS",
QObject::tr( "GeoRSS" ),
"*.xml",
"xml",
datasetOptions,
layerOptions,
"UTF-8"
)
);
// Geography Markup Language [GML]
datasetOptions.clear();
layerOptions.clear();
datasetOptions.insert( "XSISCHEMAURI", new StringOption(
QObject::tr( "If provided, this URI will be inserted as the schema location. "
"Note that the schema file isn't actually accessed by OGR, so it "
"is up to the user to ensure it will match the schema of the OGR "
"produced GML data file." ),
"" // Default value
) );
datasetOptions.insert( "XSISCHEMA", new SetOption(
QObject::tr( "This writes a GML application schema file to a corresponding "
".xsd file (with the same basename). If INTERNAL is used the "
"schema is written within the GML file, but this is experimental "
"and almost certainly not valid XML. "
"OFF disables schema generation (and is implicit if XSISCHEMAURI is used)." ),
QStringList()
<< "EXTERNAL"
<< "INTERNAL"
<< "OFF",
"EXTERNAL" // Default value
) );
datasetOptions.insert( "PREFIX", new StringOption(
QObject::tr( "This is the prefix for the application target namespace." ),
"ogr" // Default value
) );
datasetOptions.insert( "STRIP_PREFIX", new BoolOption(
QObject::tr( "Can be set to TRUE to avoid writing the prefix of the "
"application target namespace in the GML file." ),
false // Default value
) );
datasetOptions.insert( "TARGET_NAMESPACE", new StringOption(
QObject::tr( "Defaults to 'http://ogr.maptools.org/'. "
"This is the application target namespace." ),
"http://ogr.maptools.org/" // Default value
) );
datasetOptions.insert( "FORMAT", new SetOption(
QObject::tr( "If not specified, GML2 will be used." ),
QStringList()
<< "GML3"
<< "GML3Deegree"
<< "GML3.2",
"", // Default value
true // Allow None
) );