OGRErr OGRDXFWriterLayer::WritePOINT( OGRFeature *poFeature )
{
WriteValue( 0, "POINT" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbPoint" );
// Write style pen color
OGRStyleTool *poTool = nullptr;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != nullptr )
{
oSM.InitFromFeature( poFeature );
if( oSM.GetPartCount() > 0 )
poTool = oSM.GetPart(0);
}
if( poTool && poTool->GetType() == OGRSTCPen )
{
OGRStylePen *poPen = (OGRStylePen *) poTool;
GBool bDefault;
if( poPen->Color(bDefault) != nullptr && !bDefault )
WriteValue( 62, ColorStringToDXFColor( poPen->Color(bDefault) ) );
}
delete poTool;
OGRPoint *poPoint = poFeature->GetGeometryRef()->toPoint();
WriteValue( 10, poPoint->getX() );
if( !WriteValue( 20, poPoint->getY() ) )
return OGRERR_FAILURE;
if( poPoint->getGeometryType() == wkbPoint25D )
{
if( !WriteValue( 30, poPoint->getZ() ) )
return OGRERR_FAILURE;
}
return OGRERR_NONE;
}
void addstylestring2kml (
const char *pszStyleString,
StylePtr poKmlStyle,
KmlFactory * poKmlFactory,
PlacemarkPtr poKmlPlacemark,
OGRFeature * poOgrFeat )
{
LineStylePtr poKmlLineStyle = NULL;
PolyStylePtr poKmlPolyStyle = NULL;
IconStylePtr poKmlIconStyle = NULL;
LabelStylePtr poKmlLabelStyle = NULL;
/***** just bail now if stylestring is empty *****/
if ( !pszStyleString || !*pszStyleString ) {
return;
}
/***** create and init a style mamager with the style string *****/
OGRStyleMgr *poOgrSM = new OGRStyleMgr;
poOgrSM->InitStyleString ( pszStyleString );
/***** loop though the style parts *****/
int i;
for ( i = 0; i < poOgrSM->GetPartCount ( NULL ); i++ ) {
OGRStyleTool *poOgrST = poOgrSM->GetPart ( i, NULL );
if ( !poOgrST ) {
continue;
}
switch ( poOgrST->GetType ( ) ) {
case OGRSTCPen:
{
GBool nullcheck;
poKmlLineStyle = poKmlFactory->CreateLineStyle ( );
OGRStylePen *poStylePen = ( OGRStylePen * ) poOgrST;
/***** pen color *****/
int nR,
nG,
nB,
nA;
const char *pszcolor = poStylePen->Color ( nullcheck );
if ( !nullcheck
&& poStylePen->GetRGBFromString ( pszcolor, nR, nG, nB, nA ) ) {
poKmlLineStyle->set_color ( Color32 ( nA, nB, nG, nR ) );
}
double dfWidth = poStylePen->Width ( nullcheck );
if ( nullcheck )
dfWidth = 1.0;
poKmlLineStyle->set_width ( dfWidth );
break;
}
case OGRSTCBrush:
{
GBool nullcheck;
poKmlPolyStyle = poKmlFactory->CreatePolyStyle ( );
OGRStyleBrush *poStyleBrush = ( OGRStyleBrush * ) poOgrST;
/***** brush color *****/
int nR,
nG,
nB,
nA;
const char *pszcolor = poStyleBrush->ForeColor ( nullcheck );
if ( !nullcheck
&& poStyleBrush->GetRGBFromString ( pszcolor, nR, nG, nB, nA ) ) {
poKmlPolyStyle->set_color ( Color32 ( nA, nB, nG, nR ) );
}
break;
}
case OGRSTCSymbol:
{
GBool nullcheck;
GBool nullcheck2;
OGRStyleSymbol *poStyleSymbol = ( OGRStyleSymbol * ) poOgrST;
/***** id (kml icon) *****/
const char *pszId = poStyleSymbol->Id ( nullcheck );
if ( !nullcheck ) {
if ( !poKmlIconStyle)
poKmlIconStyle = poKmlFactory->CreateIconStyle ( );
/***** split it at the ,'s *****/
char **papszTokens =
CSLTokenizeString2 ( pszId, ",",
CSLT_HONOURSTRINGS | CSLT_STRIPLEADSPACES |
CSLT_STRIPENDSPACES );
if ( papszTokens ) {
/***** for lack of a better solution just take the first one *****/
//todo come up with a better idea
if ( papszTokens[0] ) {
IconStyleIconPtr poKmlIcon =
poKmlFactory->CreateIconStyleIcon ( );
poKmlIcon->set_href ( papszTokens[0] );
poKmlIconStyle->set_icon ( poKmlIcon );
}
CSLDestroy ( papszTokens );
}
}
/***** heading *****/
double heading = poStyleSymbol->Angle ( nullcheck );
if ( !nullcheck ) {
if ( !poKmlIconStyle)
poKmlIconStyle = poKmlFactory->CreateIconStyle ( );
poKmlIconStyle->set_heading ( heading );
}
/***** scale *****/
double dfScale = poStyleSymbol->Size ( nullcheck );
if ( !nullcheck ) {
if ( !poKmlIconStyle)
poKmlIconStyle = poKmlFactory->CreateIconStyle ( );
poKmlIconStyle->set_scale ( dfScale );
}
/***** color *****/
int nR,
nG,
nB,
nA;
const char *pszcolor = poStyleSymbol->Color ( nullcheck );
if ( !nullcheck && poOgrST->GetRGBFromString ( pszcolor, nR, nG, nB, nA ) ) {
poKmlIconStyle->set_color ( Color32 ( nA, nB, nG, nR ) );
}
/***** hotspot *****/
double dfDx = poStyleSymbol->SpacingX ( nullcheck );
double dfDy = poStyleSymbol->SpacingY ( nullcheck2 );
if ( !nullcheck && !nullcheck2 ) {
if ( !poKmlIconStyle)
poKmlIconStyle = poKmlFactory->CreateIconStyle ( );
HotSpotPtr poKmlHotSpot = poKmlFactory->CreateHotSpot ( );
poKmlHotSpot->set_x ( dfDx );
poKmlHotSpot->set_y ( dfDy );
poKmlIconStyle->set_hotspot ( poKmlHotSpot );
}
break;
}
case OGRSTCLabel:
{
GBool nullcheck;
GBool nullcheck2;
poKmlLabelStyle = poKmlFactory->CreateLabelStyle ( );
OGRStyleLabel *poStyleLabel = ( OGRStyleLabel * ) poOgrST;
/***** color *****/
int nR,
nG,
nB,
nA;
const char *pszcolor = poStyleLabel->ForeColor ( nullcheck );
if ( !nullcheck
&& poStyleLabel->GetRGBFromString ( pszcolor, nR, nG, nB, nA ) ) {
poKmlLabelStyle->set_color ( Color32 ( nA, nB, nG, nR ) );
}
/***** scale *****/
double dfScale = poStyleLabel->Stretch ( nullcheck );
if ( !nullcheck ) {
dfScale /= 100.0;
poKmlLabelStyle->set_scale ( dfScale );
}
/***** heading *****/
double heading = poStyleLabel->Angle ( nullcheck );
if ( !nullcheck ) {
if ( !poKmlIconStyle) {
poKmlIconStyle = poKmlFactory->CreateIconStyle ( );
IconStyleIconPtr poKmlIcon = poKmlFactory->CreateIconStyleIcon ( );
poKmlIconStyle->set_icon ( poKmlIcon );
}
poKmlIconStyle->set_heading ( heading );
}
/***** hotspot *****/
double dfDx = poStyleLabel->SpacingX ( nullcheck );
double dfDy = poStyleLabel->SpacingY ( nullcheck2 );
if ( !nullcheck && !nullcheck2 ) {
if ( !poKmlIconStyle) {
poKmlIconStyle = poKmlFactory->CreateIconStyle ( );
IconStyleIconPtr poKmlIcon = poKmlFactory->CreateIconStyleIcon ( );
poKmlIconStyle->set_icon ( poKmlIcon );
}
HotSpotPtr poKmlHotSpot = poKmlFactory->CreateHotSpot ( );
poKmlHotSpot->set_x ( dfDx );
poKmlHotSpot->set_y ( dfDy );
poKmlIconStyle->set_hotspot ( poKmlHotSpot );
}
/***** label text *****/
const char *pszText = poStyleLabel->TextString ( nullcheck );
if ( !nullcheck ) {
if ( poKmlPlacemark ) {
poKmlPlacemark->set_name( pszText );
}
}
break;
}
case OGRSTCNone:
default:
break;
}
delete poOgrST;
}
if ( poKmlLineStyle )
poKmlStyle->set_linestyle ( poKmlLineStyle );
if ( poKmlPolyStyle )
poKmlStyle->set_polystyle ( poKmlPolyStyle );
if ( poKmlIconStyle )
poKmlStyle->set_iconstyle ( poKmlIconStyle );
if ( poKmlLabelStyle )
poKmlStyle->set_labelstyle ( poKmlLabelStyle );
delete poOgrSM;
}
void styletable2kml (
OGRStyleTable * poOgrStyleTable,
KmlFactory * poKmlFactory,
ContainerPtr poKmlContainer,
char** papszOptions )
{
/***** just return if the styletable is null *****/
if ( !poOgrStyleTable )
return;
std::set<CPLString> aoSetNormalStyles;
std::set<CPLString> aoSetHighlightStyles;
poOgrStyleTable->ResetStyleStringReading ( );
const char *pszStyleString;
/* Collect styles that end with _normal or _highlight */
while ( poOgrStyleTable->GetNextStyle ( ) != NULL ) {
const char *pszStyleName = poOgrStyleTable->GetLastStyleName ( );
if( strlen(pszStyleName) > strlen("_normal") &&
EQUAL(pszStyleName + strlen(pszStyleName) - strlen("_normal"), "_normal") )
{
CPLString osName(pszStyleName);
osName.resize(strlen(pszStyleName) - strlen("_normal"));
aoSetNormalStyles.insert(osName);
}
else if( strlen(pszStyleName) > strlen("_highlight") &&
EQUAL(pszStyleName + strlen(pszStyleName) - strlen("_highlight"), "_highlight") )
{
CPLString osName(pszStyleName);
osName.resize(strlen(pszStyleName) - strlen("_highlight"));
aoSetHighlightStyles.insert(osName);
}
}
/***** parse the style table *****/
poOgrStyleTable->ResetStyleStringReading ( );
while ( ( pszStyleString = poOgrStyleTable->GetNextStyle ( ) ) != NULL ) {
const char *pszStyleName = poOgrStyleTable->GetLastStyleName ( );
if( aoSetNormalStyles.find(pszStyleName) != aoSetNormalStyles.end() &&
aoSetHighlightStyles.find(pszStyleName) != aoSetHighlightStyles.end() )
{
continue;
}
/***** add the style header to the kml *****/
StylePtr poKmlStyle = poKmlFactory->CreateStyle ( );
poKmlStyle->set_id ( pszStyleName );
/***** parse the style string *****/
addstylestring2kml ( pszStyleString, poKmlStyle, poKmlFactory, NULL );
/***** add balloon style *****/
const char* pszBalloonStyleBgColor = CSLFetchNameValue(papszOptions, CPLSPrintf("%s_balloonstyle_bgcolor", pszStyleName));
const char* pszBalloonStyleText = CSLFetchNameValue(papszOptions, CPLSPrintf("%s_balloonstyle_text", pszStyleName));
int nR, nG, nB, nA;
OGRStylePen oStyleTool;
if( (pszBalloonStyleBgColor != NULL &&
oStyleTool.GetRGBFromString ( pszBalloonStyleBgColor, nR, nG, nB, nA ) ) ||
pszBalloonStyleText != NULL )
{
BalloonStylePtr poKmlBalloonStyle = poKmlFactory->CreateBalloonStyle();
if( pszBalloonStyleBgColor != NULL &&
oStyleTool.GetRGBFromString ( pszBalloonStyleBgColor, nR, nG, nB, nA ) )
poKmlBalloonStyle->set_bgcolor ( Color32 ( static_cast<GByte>(nA),
static_cast<GByte>(nB),
static_cast<GByte>(nG),
static_cast<GByte>(nR) ) );
if( pszBalloonStyleText != NULL )
poKmlBalloonStyle->set_text(pszBalloonStyleText);
poKmlStyle->set_balloonstyle ( poKmlBalloonStyle );
}
/***** add the style to the container *****/
DocumentPtr poKmlDocument = AsDocument ( poKmlContainer );
poKmlDocument->add_styleselector ( poKmlStyle );
}
/* Find style name that end with _normal and _highlight to create */
/* a StyleMap from both */
std::set<CPLString>::iterator aoSetNormalStylesIter =
aoSetNormalStyles.begin();
for( ; aoSetNormalStylesIter != aoSetNormalStyles.end(); ++aoSetNormalStylesIter )
{
CPLString osStyleName(*aoSetNormalStylesIter);
if( aoSetHighlightStyles.find(osStyleName) !=
aoSetHighlightStyles.end() )
{
StyleMapPtr poKmlStyleMap = poKmlFactory->CreateStyleMap ( );
poKmlStyleMap->set_id ( osStyleName );
PairPtr poKmlPairNormal = poKmlFactory->CreatePair ( );
poKmlPairNormal->set_key(STYLESTATE_NORMAL);
poKmlPairNormal->set_styleurl(CPLSPrintf("#%s_normal", osStyleName.c_str()));
poKmlStyleMap->add_pair(poKmlPairNormal);
PairPtr poKmlPairHightlight = poKmlFactory->CreatePair ( );
poKmlPairHightlight->set_key(STYLESTATE_HIGHLIGHT);
poKmlPairHightlight->set_styleurl(CPLSPrintf("#%s_highlight", osStyleName.c_str()));
poKmlStyleMap->add_pair(poKmlPairHightlight);
/***** add the style to the container *****/
DocumentPtr poKmlDocument = AsDocument ( poKmlContainer );
poKmlDocument->add_styleselector ( poKmlStyleMap );
}
}
return;
}
OGRErr OGRDXFWriterLayer::WritePOLYLINE( OGRFeature *poFeature,
const OGRGeometry *poGeom )
{
/* -------------------------------------------------------------------- */
/* For now we handle multilinestrings by writing a series of */
/* entities. */
/* -------------------------------------------------------------------- */
if( poGeom == nullptr )
poGeom = poFeature->GetGeometryRef();
if ( poGeom->IsEmpty() )
{
return OGRERR_NONE;
}
if( wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon
|| wkbFlatten(poGeom->getGeometryType()) == wkbMultiLineString )
{
const OGRGeometryCollection *poGC = poGeom->toGeometryCollection();
OGRErr eErr = OGRERR_NONE;
for( auto&& poMember: *poGC )
{
eErr = WritePOLYLINE( poFeature, poMember );
if( eErr != OGRERR_NONE )
break;
}
return eErr;
}
/* -------------------------------------------------------------------- */
/* Polygons are written with on entity per ring. */
/* -------------------------------------------------------------------- */
if( wkbFlatten(poGeom->getGeometryType()) == wkbPolygon
|| wkbFlatten(poGeom->getGeometryType()) == wkbTriangle)
{
const OGRPolygon *poPoly = poGeom->toPolygon();
OGRErr eErr = OGRERR_NONE;
for( auto&& poRing: *poPoly )
{
eErr = WritePOLYLINE( poFeature, poRing );
if( eErr != OGRERR_NONE )
break;
}
return eErr;
}
/* -------------------------------------------------------------------- */
/* Do we now have a geometry we can work with? */
/* -------------------------------------------------------------------- */
if( wkbFlatten(poGeom->getGeometryType()) != wkbLineString )
return OGRERR_UNSUPPORTED_GEOMETRY_TYPE;
const OGRLineString *poLS = poGeom->toLineString();
/* -------------------------------------------------------------------- */
/* Write as a lightweight polygon, */
/* or as POLYLINE if the line contains different heights */
/* -------------------------------------------------------------------- */
int bHasDifferentZ = FALSE;
if( poLS->getGeometryType() == wkbLineString25D )
{
double z0 = poLS->getZ(0);
for( int iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
if (z0 != poLS->getZ(iVert))
{
bHasDifferentZ = TRUE;
break;
}
}
}
WriteValue( 0, bHasDifferentZ ? "POLYLINE" : "LWPOLYLINE" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
if( bHasDifferentZ )
{
WriteValue( 100, "AcDb3dPolyline" );
WriteValue( 10, 0.0 );
WriteValue( 20, 0.0 );
WriteValue( 30, 0.0 );
}
else
WriteValue( 100, "AcDbPolyline" );
if( EQUAL( poGeom->getGeometryName(), "LINEARRING" ) )
WriteValue( 70, 1 + (bHasDifferentZ ? 8 : 0) );
else
WriteValue( 70, 0 + (bHasDifferentZ ? 8 : 0) );
if( !bHasDifferentZ )
WriteValue( 90, poLS->getNumPoints() );
else
WriteValue( 66, "1" ); // Vertex Flag
/* -------------------------------------------------------------------- */
/* Do we have styling information? */
/* -------------------------------------------------------------------- */
OGRStyleTool *poTool = nullptr;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != nullptr )
{
oSM.InitFromFeature( poFeature );
if( oSM.GetPartCount() > 0 )
poTool = oSM.GetPart(0);
}
/* -------------------------------------------------------------------- */
/* Handle a PEN tool to control drawing color and width. */
/* Perhaps one day also dottedness, etc. */
/* -------------------------------------------------------------------- */
if( poTool && poTool->GetType() == OGRSTCPen )
{
OGRStylePen *poPen = (OGRStylePen *) poTool;
GBool bDefault;
if( poPen->Color(bDefault) != nullptr && !bDefault )
WriteValue( 62, ColorStringToDXFColor( poPen->Color(bDefault) ) );
// we want to fetch the width in ground units.
poPen->SetUnit( OGRSTUGround, 1.0 );
const double dfWidth = poPen->Width(bDefault);
if( !bDefault )
WriteValue( 370, (int) floor(dfWidth * 100 + 0.5) );
}
/* -------------------------------------------------------------------- */
/* Do we have a Linetype for the feature? */
/* -------------------------------------------------------------------- */
CPLString osLineType = poFeature->GetFieldAsString( "Linetype" );
double dfLineTypeScale = 0.0;
bool bGotLinetype = false;
if( !osLineType.empty() )
{
std::vector<double> adfLineType =
poDS->oHeaderDS.LookupLineType( osLineType );
if( adfLineType.empty() && oNewLineTypes.count(osLineType) > 0 )
adfLineType = oNewLineTypes[osLineType];
if( !adfLineType.empty() )
{
bGotLinetype = true;
WriteValue( 6, osLineType );
// If the given linetype is proportional to the linetype data
// in the style string, then apply a linetype scale
if( poTool != nullptr && poTool->GetType() == OGRSTCPen )
{
std::vector<double> adfDefinition = PrepareLineTypeDefinition(
static_cast<OGRStylePen *>( poTool ) );
if( !adfDefinition.empty() )
{
dfLineTypeScale = IsLineTypeProportional( adfLineType,
adfDefinition );
if( dfLineTypeScale != 0.0 &&
fabs( dfLineTypeScale - 1.0 ) > 1e-4 )
{
WriteValue( 48, dfLineTypeScale );
}
}
}
}
}
if( !bGotLinetype && poTool != nullptr && poTool->GetType() == OGRSTCPen )
{
std::vector<double> adfDefinition = PrepareLineTypeDefinition(
static_cast<OGRStylePen *>( poTool ) );
if( !adfDefinition.empty() )
{
// Is this definition already created and named?
for( const auto& oPair : poDS->oHeaderDS.GetLineTypeTable() )
{
dfLineTypeScale = IsLineTypeProportional( oPair.second,
adfDefinition );
if( dfLineTypeScale != 0.0 )
{
osLineType = oPair.first;
break;
}
}
if( dfLineTypeScale == 0.0 )
{
for( const auto& oPair : oNewLineTypes )
{
dfLineTypeScale = IsLineTypeProportional( oPair.second,
adfDefinition );
if( dfLineTypeScale != 0.0 )
{
osLineType = oPair.first;
break;
}
}
}
// If not, create an automatic name for it.
if( osLineType == "" )
{
dfLineTypeScale = 1.0;
do
{
osLineType.Printf( "AutoLineType-%d", nNextAutoID++ );
}
while( poDS->oHeaderDS.LookupLineType(osLineType).size() > 0 );
}
// If it isn't already defined, add it now.
if( poDS->oHeaderDS.LookupLineType( osLineType ).empty() &&
oNewLineTypes.count( osLineType ) == 0 )
{
oNewLineTypes[osLineType] = adfDefinition;
}
WriteValue( 6, osLineType );
if( dfLineTypeScale != 0.0 && fabs( dfLineTypeScale - 1.0 ) > 1e-4 )
{
WriteValue( 48, dfLineTypeScale );
}
}
}
/* -------------------------------------------------------------------- */
/* Write the vertices */
/* -------------------------------------------------------------------- */
if( !bHasDifferentZ && poLS->getGeometryType() == wkbLineString25D )
{
// if LWPOLYLINE with Z write it only once
if( !WriteValue( 38, poLS->getZ(0) ) )
return OGRERR_FAILURE;
}
for( int iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
if( bHasDifferentZ )
{
WriteValue( 0, "VERTEX" );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbVertex" );
WriteValue( 100, "AcDb3dPolylineVertex" );
WriteCore( poFeature );
}
WriteValue( 10, poLS->getX(iVert) );
if( !WriteValue( 20, poLS->getY(iVert) ) )
return OGRERR_FAILURE;
if( bHasDifferentZ )
{
if( !WriteValue( 30 , poLS->getZ(iVert) ) )
return OGRERR_FAILURE;
WriteValue( 70, 32 );
}
}
if( bHasDifferentZ )
{
WriteValue( 0, "SEQEND" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
}
delete poTool;
return OGRERR_NONE;
#ifdef notdef
/* -------------------------------------------------------------------- */
/* Alternate unmaintained implementation as a polyline entity. */
/* -------------------------------------------------------------------- */
WriteValue( 0, "POLYLINE" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbPolyline" );
if( EQUAL( poGeom->getGeometryName(), "LINEARRING" ) )
WriteValue( 70, 1 );
else
WriteValue( 70, 0 );
WriteValue( 66, "1" );
for( int iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
WriteValue( 0, "VERTEX" );
WriteValue( 8, "0" );
WriteValue( 10, poLS->getX(iVert) );
if( !WriteValue( 20, poLS->getY(iVert) ) )
return OGRERR_FAILURE;
if( poLS->getGeometryType() == wkbLineString25D )
{
if( !WriteValue( 30, poLS->getZ(iVert) ) )
return OGRERR_FAILURE;
}
}
WriteValue( 0, "SEQEND" );
WriteValue( 8, "0" );
return OGRERR_NONE;
#endif
}
OGRErr OGRDXFWriterLayer::WriteHATCH( OGRFeature *poFeature,
OGRGeometry *poGeom )
{
/* -------------------------------------------------------------------- */
/* For now we handle multipolygons by writing a series of */
/* entities. */
/* -------------------------------------------------------------------- */
if( poGeom == nullptr )
poGeom = poFeature->GetGeometryRef();
if ( poGeom->IsEmpty() )
{
return OGRERR_NONE;
}
if( wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon )
{
OGRErr eErr = OGRERR_NONE;
for( auto&& poMember: poGeom->toMultiPolygon() )
{
eErr = WriteHATCH( poFeature, poMember );
if( eErr != OGRERR_NONE )
break;
}
return eErr;
}
/* -------------------------------------------------------------------- */
/* Do we now have a geometry we can work with? */
/* -------------------------------------------------------------------- */
if( wkbFlatten(poGeom->getGeometryType()) != wkbPolygon &&
wkbFlatten(poGeom->getGeometryType()) != wkbTriangle )
{
return OGRERR_UNSUPPORTED_GEOMETRY_TYPE;
}
/* -------------------------------------------------------------------- */
/* Write as a hatch. */
/* -------------------------------------------------------------------- */
WriteValue( 0, "HATCH" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbHatch" );
// Figure out "average" elevation
OGREnvelope3D oEnv;
poGeom->getEnvelope( &oEnv );
WriteValue( 10, 0 ); // elevation point X = 0
WriteValue( 20, 0 ); // elevation point Y = 0
// elevation point Z = constant elevation
WriteValue( 30, oEnv.MinZ + ( oEnv.MaxZ - oEnv.MinZ ) / 2 );
WriteValue(210, 0 ); // extrusion direction X
WriteValue(220, 0 ); // extrusion direction Y
WriteValue(230,1.0); // extrusion direction Z
WriteValue( 2, "SOLID" ); // fill pattern
WriteValue( 70, 1 ); // solid fill
WriteValue( 71, 0 ); // associativity
/* -------------------------------------------------------------------- */
/* Do we have styling information? */
/* -------------------------------------------------------------------- */
OGRStyleTool *poTool = nullptr;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != nullptr )
{
oSM.InitFromFeature( poFeature );
if( oSM.GetPartCount() > 0 )
poTool = oSM.GetPart(0);
}
// Write style brush fore color
if( poTool && poTool->GetType() == OGRSTCBrush )
{
OGRStyleBrush *poBrush = (OGRStyleBrush *) poTool;
GBool bDefault;
if( poBrush->ForeColor(bDefault) != nullptr && !bDefault )
WriteValue( 62, ColorStringToDXFColor( poBrush->ForeColor(bDefault) ) );
}
delete poTool;
/* -------------------------------------------------------------------- */
/* Handle a PEN tool to control drawing color and width. */
/* Perhaps one day also dottedness, etc. */
/* -------------------------------------------------------------------- */
#ifdef notdef
if( poTool && poTool->GetType() == OGRSTCPen )
{
OGRStylePen *poPen = (OGRStylePen *) poTool;
GBool bDefault;
if( poPen->Color(bDefault) != NULL && !bDefault )
WriteValue( 62, ColorStringToDXFColor( poPen->Color(bDefault) ) );
double dfWidthInMM = poPen->Width(bDefault);
if( !bDefault )
WriteValue( 370, (int) floor(dfWidthInMM * 100 + 0.5) );
}
/* -------------------------------------------------------------------- */
/* Do we have a Linetype for the feature? */
/* -------------------------------------------------------------------- */
CPLString osLineType = poFeature->GetFieldAsString( "Linetype" );
if( !osLineType.empty()
&& (poDS->oHeaderDS.LookupLineType( osLineType ) != NULL
|| oNewLineTypes.count(osLineType) > 0 ) )
{
// Already define -> just reference it.
WriteValue( 6, osLineType );
}
else if( poTool != NULL && poTool->GetType() == OGRSTCPen )
{
CPLString osDefinition = PrepareLineTypeDefinition( poFeature,
poTool );
if( osDefinition != "" && osLineType == "" )
{
// Is this definition already created and named?
std::map<CPLString,CPLString>::iterator it;
for( it = oNewLineTypes.begin();
it != oNewLineTypes.end();
it++ )
{
if( (*it).second == osDefinition )
{
osLineType = (*it).first;
break;
}
}
// create an automatic name for it.
if( osLineType == "" )
{
do
{
osLineType.Printf( "AutoLineType-%d", nNextAutoID++ );
}
while( poDS->oHeaderDS.LookupLineType(osLineType) != NULL );
}
}
// If it isn't already defined, add it now.
if( osDefinition != "" && oNewLineTypes.count(osLineType) == 0 )
{
oNewLineTypes[osLineType] = osDefinition;
WriteValue( 6, osLineType );
}
}
delete poTool;
#endif
/* -------------------------------------------------------------------- */
/* Process the loops (rings). */
/* -------------------------------------------------------------------- */
OGRPolygon *poPoly = poGeom->toPolygon();
WriteValue( 91, poPoly->getNumInteriorRings() + 1 );
for( auto&& poLR: *poPoly )
{
WriteValue( 92, 2 ); // Polyline
WriteValue( 72, 0 ); // has bulge
WriteValue( 73, 1 ); // is closed
WriteValue( 93, poLR->getNumPoints() );
for( int iVert = 0; iVert < poLR->getNumPoints(); iVert++ )
{
WriteValue( 10, poLR->getX(iVert) );
WriteValue( 20, poLR->getY(iVert) );
}
WriteValue( 97, 0 ); // 0 source boundary objects
}
WriteValue( 75, 0 ); // hatch style = Hatch "odd parity" area (Normal style)
WriteValue( 76, 1 ); // hatch pattern type = predefined
WriteValue( 98, 0 ); // 0 seed points
return OGRERR_NONE;
#ifdef notdef
/* -------------------------------------------------------------------- */
/* Alternate unmaintained implementation as a polyline entity. */
/* -------------------------------------------------------------------- */
WriteValue( 0, "POLYLINE" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbPolyline" );
if( EQUAL( poGeom->getGeometryName(), "LINEARRING" ) )
WriteValue( 70, 1 );
else
WriteValue( 70, 0 );
WriteValue( 66, "1" );
for( int iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
WriteValue( 0, "VERTEX" );
WriteValue( 8, "0" );
WriteValue( 10, poLS->getX(iVert) );
if( !WriteValue( 20, poLS->getY(iVert) ) )
return OGRERR_FAILURE;
if( poLS->getGeometryType() == wkbLineString25D )
{
if( !WriteValue( 30, poLS->getZ(iVert) ) )
return OGRERR_FAILURE;
}
}
WriteValue( 0, "SEQEND" );
WriteValue( 8, "0" );
return OGRERR_NONE;
#endif
}
OGRErr OGRDXFWriterLayer::WritePOLYLINE( OGRFeature *poFeature,
OGRGeometry *poGeom )
{
/* -------------------------------------------------------------------- */
/* For now we handle multilinestrings by writing a series of */
/* entities. */
/* -------------------------------------------------------------------- */
if( poGeom == NULL )
poGeom = poFeature->GetGeometryRef();
if ( poGeom->IsEmpty() )
{
return OGRERR_NONE;
}
if( wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon
|| wkbFlatten(poGeom->getGeometryType()) == wkbMultiLineString )
{
OGRGeometryCollection *poGC = (OGRGeometryCollection *) poGeom;
int iGeom;
OGRErr eErr = OGRERR_NONE;
for( iGeom = 0;
eErr == OGRERR_NONE && iGeom < poGC->getNumGeometries();
iGeom++ )
{
eErr = WritePOLYLINE( poFeature, poGC->getGeometryRef( iGeom ) );
}
return eErr;
}
/* -------------------------------------------------------------------- */
/* Polygons are written with on entity per ring. */
/* -------------------------------------------------------------------- */
if( wkbFlatten(poGeom->getGeometryType()) == wkbPolygon )
{
OGRPolygon *poPoly = (OGRPolygon *) poGeom;
int iGeom;
OGRErr eErr;
eErr = WritePOLYLINE( poFeature, poPoly->getExteriorRing() );
for( iGeom = 0;
eErr == OGRERR_NONE && iGeom < poPoly->getNumInteriorRings();
iGeom++ )
{
eErr = WritePOLYLINE( poFeature, poPoly->getInteriorRing(iGeom) );
}
return eErr;
}
/* -------------------------------------------------------------------- */
/* Do we now have a geometry we can work with? */
/* -------------------------------------------------------------------- */
if( wkbFlatten(poGeom->getGeometryType()) != wkbLineString )
return OGRERR_UNSUPPORTED_GEOMETRY_TYPE;
OGRLineString *poLS = (OGRLineString *) poGeom;
/* -------------------------------------------------------------------- */
/* Write as a lightweight polygon, */
/* or as POLYLINE if the line contains different heights */
/* -------------------------------------------------------------------- */
int bHasDifferentZ = FALSE;
if( poLS->getGeometryType() == wkbLineString25D )
{
double z0 = poLS->getZ(0);
for( int iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
if (z0 != poLS->getZ(iVert))
{
bHasDifferentZ = TRUE;
break;
}
}
}
WriteValue( 0, bHasDifferentZ ? "POLYLINE" : "LWPOLYLINE" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
if( bHasDifferentZ )
{
WriteValue( 100, "AcDb3dPolyline" );
WriteValue( 10, 0.0 );
WriteValue( 20, 0.0 );
WriteValue( 30, 0.0 );
}
else
WriteValue( 100, "AcDbPolyline" );
if( EQUAL( poGeom->getGeometryName(), "LINEARRING" ) )
WriteValue( 70, 1 + (bHasDifferentZ ? 8 : 0) );
else
WriteValue( 70, 0 + (bHasDifferentZ ? 8 : 0) );
if( !bHasDifferentZ )
WriteValue( 90, poLS->getNumPoints() );
else
WriteValue( 66, "1" ); // Vertex Flag
/* -------------------------------------------------------------------- */
/* Do we have styling information? */
/* -------------------------------------------------------------------- */
OGRStyleTool *poTool = NULL;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != NULL )
{
oSM.InitFromFeature( poFeature );
if( oSM.GetPartCount() > 0 )
poTool = oSM.GetPart(0);
}
/* -------------------------------------------------------------------- */
/* Handle a PEN tool to control drawing color and width. */
/* Perhaps one day also dottedness, etc. */
/* -------------------------------------------------------------------- */
if( poTool && poTool->GetType() == OGRSTCPen )
{
OGRStylePen *poPen = (OGRStylePen *) poTool;
GBool bDefault;
if( poPen->Color(bDefault) != NULL && !bDefault )
WriteValue( 62, ColorStringToDXFColor( poPen->Color(bDefault) ) );
// we want to fetch the width in ground units.
poPen->SetUnit( OGRSTUGround, 1.0 );
double dfWidth = poPen->Width(bDefault);
if( !bDefault )
WriteValue( 370, (int) floor(dfWidth * 100 + 0.5) );
}
/* -------------------------------------------------------------------- */
/* Do we have a Linetype for the feature? */
/* -------------------------------------------------------------------- */
CPLString osLineType = poFeature->GetFieldAsString( "Linetype" );
if( osLineType.size() > 0
&& (poDS->oHeaderDS.LookupLineType( osLineType ) != NULL
|| oNewLineTypes.count(osLineType) > 0 ) )
{
// Already define -> just reference it.
WriteValue( 6, osLineType );
}
else if( poTool != NULL && poTool->GetType() == OGRSTCPen )
{
CPLString osDefinition = PrepareLineTypeDefinition( poFeature,
poTool );
if( osDefinition != "" && osLineType == "" )
{
// Is this definition already created and named?
std::map<CPLString,CPLString>::iterator it;
for( it = oNewLineTypes.begin();
it != oNewLineTypes.end();
it++ )
{
if( (*it).second == osDefinition )
{
osLineType = (*it).first;
break;
}
}
// create an automatic name for it.
if( osLineType == "" )
{
do
{
osLineType.Printf( "AutoLineType-%d", nNextAutoID++ );
}
while( poDS->oHeaderDS.LookupLineType(osLineType) != NULL );
}
}
// If it isn't already defined, add it now.
if( osDefinition != "" && oNewLineTypes.count(osLineType) == 0 )
{
oNewLineTypes[osLineType] = osDefinition;
WriteValue( 6, osLineType );
}
}
/* -------------------------------------------------------------------- */
/* Write the vertices */
/* -------------------------------------------------------------------- */
if( !bHasDifferentZ && poLS->getGeometryType() == wkbLineString25D )
{
// if LWPOLYLINE with Z write it only once
if( !WriteValue( 38, poLS->getZ(0) ) )
return OGRERR_FAILURE;
}
int iVert;
for( iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
if( bHasDifferentZ )
{
WriteValue( 0, "VERTEX" );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbVertex" );
WriteValue( 100, "AcDb3dPolylineVertex" );
WriteCore( poFeature );
}
WriteValue( 10, poLS->getX(iVert) );
if( !WriteValue( 20, poLS->getY(iVert) ) )
return OGRERR_FAILURE;
if( bHasDifferentZ )
{
if( !WriteValue( 30 , poLS->getZ(iVert) ) )
return OGRERR_FAILURE;
WriteValue( 70, 32 );
}
}
if( bHasDifferentZ )
{
WriteValue( 0, "SEQEND" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
}
delete poTool;
return OGRERR_NONE;
#ifdef notdef
/* -------------------------------------------------------------------- */
/* Alternate unmaintained implementation as a polyline entity. */
/* -------------------------------------------------------------------- */
WriteValue( 0, "POLYLINE" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbPolyline" );
if( EQUAL( poGeom->getGeometryName(), "LINEARRING" ) )
WriteValue( 70, 1 );
else
WriteValue( 70, 0 );
WriteValue( 66, "1" );
int iVert;
for( iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
WriteValue( 0, "VERTEX" );
WriteValue( 8, "0" );
WriteValue( 10, poLS->getX(iVert) );
if( !WriteValue( 20, poLS->getY(iVert) ) )
return OGRERR_FAILURE;
if( poLS->getGeometryType() == wkbLineString25D )
{
if( !WriteValue( 30, poLS->getZ(iVert) ) )
return OGRERR_FAILURE;
}
}
WriteValue( 0, "SEQEND" );
WriteValue( 8, "0" );
return OGRERR_NONE;
#endif
}
CPLString
OGRDXFWriterLayer::PrepareLineTypeDefinition( CPL_UNUSED OGRFeature *poFeature,
OGRStyleTool *poTool )
{
CPLString osDef;
OGRStylePen *poPen = (OGRStylePen *) poTool;
GBool bDefault;
const char *pszPattern;
/* -------------------------------------------------------------------- */
/* Fetch pattern. */
/* -------------------------------------------------------------------- */
pszPattern = poPen->Pattern( bDefault );
if( bDefault || strlen(pszPattern) == 0 )
return "";
/* -------------------------------------------------------------------- */
/* Split into pen up / pen down bits. */
/* -------------------------------------------------------------------- */
char **papszTokens = CSLTokenizeString(pszPattern);
int i;
double dfTotalLength = 0;
for( i = 0; papszTokens != NULL && papszTokens[i] != NULL; i++ )
{
const char *pszToken = papszTokens[i];
const char *pszUnit;
CPLString osAmount;
CPLString osDXFEntry;
// Split amount and unit.
for( pszUnit = pszToken;
strchr( "0123456789.", *pszUnit) != NULL;
pszUnit++ ) {}
osAmount.assign(pszToken,(int) (pszUnit-pszToken));
// If the unit is other than 'g' we really should be trying to
// do some type of transformation - but what to do? Pretty hard.
//
// Even entries are "pen down" represented as negative in DXF.
if( i%2 == 0 )
osDXFEntry.Printf( " 49\n-%s\n 74\n0\n", osAmount.c_str() );
else
osDXFEntry.Printf( " 49\n%s\n 74\n0\n", osAmount.c_str() );
osDef += osDXFEntry;
dfTotalLength += CPLAtof(osAmount);
}
/* -------------------------------------------------------------------- */
/* Prefix 73 and 40 items to the definition. */
/* -------------------------------------------------------------------- */
CPLString osPrefix;
osPrefix.Printf( " 73\n%d\n 40\n%.6g\n",
CSLCount(papszTokens),
dfTotalLength );
osDef = osPrefix + osDef;
CSLDestroy( papszTokens );
return osDef;
}
OGRErr OGRDXFWriterLayer::WriteHATCH( OGRFeature *poFeature,
OGRGeometry *poGeom )
{
/* -------------------------------------------------------------------- */
/* For now we handle multipolygons by writing a series of */
/* entities. */
/* -------------------------------------------------------------------- */
if( poGeom == NULL )
poGeom = poFeature->GetGeometryRef();
if ( poGeom->IsEmpty() )
{
return OGRERR_NONE;
}
if( wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon )
{
OGRGeometryCollection *poGC = (OGRGeometryCollection *) poGeom;
int iGeom;
OGRErr eErr = OGRERR_NONE;
for( iGeom = 0;
eErr == OGRERR_NONE && iGeom < poGC->getNumGeometries();
iGeom++ )
{
eErr = WriteHATCH( poFeature, poGC->getGeometryRef( iGeom ) );
}
return eErr;
}
/* -------------------------------------------------------------------- */
/* Do we now have a geometry we can work with? */
/* -------------------------------------------------------------------- */
if( wkbFlatten(poGeom->getGeometryType()) != wkbPolygon )
return OGRERR_UNSUPPORTED_GEOMETRY_TYPE;
/* -------------------------------------------------------------------- */
/* Write as a hatch. */
/* -------------------------------------------------------------------- */
WriteValue( 0, "HATCH" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbHatch" );
WriteValue( 2, "SOLID" ); // fill pattern
WriteValue( 70, 1 ); // solid fill
WriteValue( 71, 0 ); // associativity
/* -------------------------------------------------------------------- */
/* Do we have styling information? */
/* -------------------------------------------------------------------- */
OGRStyleTool *poTool = NULL;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != NULL )
{
oSM.InitFromFeature( poFeature );
if( oSM.GetPartCount() > 0 )
poTool = oSM.GetPart(0);
}
/* -------------------------------------------------------------------- */
/* Handle a PEN tool to control drawing color and width. */
/* Perhaps one day also dottedness, etc. */
/* -------------------------------------------------------------------- */
#ifdef notdef
if( poTool && poTool->GetType() == OGRSTCPen )
{
OGRStylePen *poPen = (OGRStylePen *) poTool;
GBool bDefault;
if( poPen->Color(bDefault) != NULL && !bDefault )
WriteValue( 62, ColorStringToDXFColor( poPen->Color(bDefault) ) );
double dfWidthInMM = poPen->Width(bDefault);
if( !bDefault )
WriteValue( 370, (int) floor(dfWidthInMM * 100 + 0.5) );
}
/* -------------------------------------------------------------------- */
/* Do we have a Linetype for the feature? */
/* -------------------------------------------------------------------- */
CPLString osLineType = poFeature->GetFieldAsString( "Linetype" );
if( osLineType.size() > 0
&& (poDS->oHeaderDS.LookupLineType( osLineType ) != NULL
|| oNewLineTypes.count(osLineType) > 0 ) )
{
// Already define -> just reference it.
WriteValue( 6, osLineType );
}
else if( poTool != NULL && poTool->GetType() == OGRSTCPen )
{
CPLString osDefinition = PrepareLineTypeDefinition( poFeature,
poTool );
if( osDefinition != "" && osLineType == "" )
{
// Is this definition already created and named?
std::map<CPLString,CPLString>::iterator it;
for( it = oNewLineTypes.begin();
it != oNewLineTypes.end();
it++ )
{
if( (*it).second == osDefinition )
{
osLineType = (*it).first;
break;
}
}
// create an automatic name for it.
if( osLineType == "" )
{
do
{
osLineType.Printf( "AutoLineType-%d", nNextAutoID++ );
}
while( poDS->oHeaderDS.LookupLineType(osLineType) != NULL );
}
}
// If it isn't already defined, add it now.
if( osDefinition != "" && oNewLineTypes.count(osLineType) == 0 )
{
oNewLineTypes[osLineType] = osDefinition;
WriteValue( 6, osLineType );
}
}
delete poTool;
#endif
/* -------------------------------------------------------------------- */
/* Process the loops (rings). */
/* -------------------------------------------------------------------- */
OGRPolygon *poPoly = (OGRPolygon *) poGeom;
WriteValue( 91, poPoly->getNumInteriorRings() + 1 );
for( int iRing = -1; iRing < poPoly->getNumInteriorRings(); iRing++ )
{
OGRLinearRing *poLR;
if( iRing == -1 )
poLR = poPoly->getExteriorRing();
else
poLR = poPoly->getInteriorRing( iRing );
WriteValue( 92, 2 ); // Polyline
WriteValue( 72, 0 ); // has bulge
WriteValue( 73, 1 ); // is closed
WriteValue( 93, poLR->getNumPoints() );
for( int iVert = 0; iVert < poLR->getNumPoints(); iVert++ )
{
WriteValue( 10, poLR->getX(iVert) );
WriteValue( 20, poLR->getY(iVert) );
}
}
return OGRERR_NONE;
#ifdef notdef
/* -------------------------------------------------------------------- */
/* Alternate unmaintained implementation as a polyline entity. */
/* -------------------------------------------------------------------- */
WriteValue( 0, "POLYLINE" );
WriteCore( poFeature );
WriteValue( 100, "AcDbEntity" );
WriteValue( 100, "AcDbPolyline" );
if( EQUAL( poGeom->getGeometryName(), "LINEARRING" ) )
WriteValue( 70, 1 );
else
WriteValue( 70, 0 );
WriteValue( 66, "1" );
int iVert;
for( iVert = 0; iVert < poLS->getNumPoints(); iVert++ )
{
WriteValue( 0, "VERTEX" );
WriteValue( 8, "0" );
WriteValue( 10, poLS->getX(iVert) );
if( !WriteValue( 20, poLS->getY(iVert) ) )
return OGRERR_FAILURE;
if( poLS->getGeometryType() == wkbLineString25D )
{
if( !WriteValue( 30, poLS->getZ(iVert) ) )
return OGRERR_FAILURE;
}
}
WriteValue( 0, "SEQEND" );
WriteValue( 8, "0" );
return OGRERR_NONE;
#endif
}
OGRErr OGRKMLLayer::ICreateFeature( OGRFeature* poFeature )
{
CPLAssert( NULL != poFeature );
CPLAssert( NULL != poDS_ );
if( !bWriter_ )
return OGRERR_FAILURE;
if( bClosedForWriting )
{
CPLError(CE_Failure, CPLE_NotSupported,
"Interleaved feature adding to different layers is not supported");
return OGRERR_FAILURE;
}
VSILFILE *fp = poDS_->GetOutputFP();
CPLAssert( NULL != fp );
if( poDS_->GetLayerCount() == 1 && nWroteFeatureCount_ == 0 )
{
CPLString osRet = WriteSchema();
if( osRet.size() )
VSIFPrintfL( fp, "%s", osRet.c_str() );
bSchemaWritten_ = TRUE;
VSIFPrintfL( fp, "<Folder><name>%s</name>\n", pszName_);
}
VSIFPrintfL( fp, " <Placemark>\n" );
if( poFeature->GetFID() == OGRNullFID )
poFeature->SetFID( iNextKMLId_++ );
// Find and write the name element
if (NULL != poDS_->GetNameField())
{
for( int iField = 0; iField < poFeatureDefn_->GetFieldCount(); iField++ )
{
OGRFieldDefn *poField = poFeatureDefn_->GetFieldDefn( iField );
if( poFeature->IsFieldSet( iField )
&& EQUAL(poField->GetNameRef(), poDS_->GetNameField()) )
{
const char *pszRaw = poFeature->GetFieldAsString( iField );
while( *pszRaw == ' ' )
pszRaw++;
char *pszEscaped = OGRGetXML_UTF8_EscapedString( pszRaw );
VSIFPrintfL( fp, "\t<name>%s</name>\n", pszEscaped);
CPLFree( pszEscaped );
}
}
}
if (NULL != poDS_->GetDescriptionField())
{
for( int iField = 0; iField < poFeatureDefn_->GetFieldCount(); iField++ )
{
OGRFieldDefn *poField = poFeatureDefn_->GetFieldDefn( iField );
if( poFeature->IsFieldSet( iField )
&& EQUAL(poField->GetNameRef(), poDS_->GetDescriptionField()) )
{
const char *pszRaw = poFeature->GetFieldAsString( iField );
while( *pszRaw == ' ' )
pszRaw++;
char *pszEscaped = OGRGetXML_UTF8_EscapedString( pszRaw );
VSIFPrintfL( fp, "\t<description>%s</description>\n", pszEscaped);
CPLFree( pszEscaped );
}
}
}
OGRwkbGeometryType eGeomType = wkbNone;
if (poFeature->GetGeometryRef() != NULL)
eGeomType = wkbFlatten(poFeature->GetGeometryRef()->getGeometryType());
if ( wkbPolygon == eGeomType
|| wkbMultiPolygon == eGeomType
|| wkbLineString == eGeomType
|| wkbMultiLineString == eGeomType )
{
OGRStylePen *poPen = NULL;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != NULL )
{
oSM.InitFromFeature( poFeature );
int i;
for(i=0; i<oSM.GetPartCount();i++)
{
OGRStyleTool *poTool = oSM.GetPart(i);
if (poTool && poTool->GetType() == OGRSTCPen )
{
poPen = (OGRStylePen*) poTool;
break;
}
delete poTool;
}
}
VSIFPrintfL( fp, "\t<Style>");
if( poPen != NULL )
{
GBool bDefault;
int bHasWidth = FALSE;
/* Require width to be returned in pixel */
poPen->SetUnit(OGRSTUPixel);
double fW = poPen->Width(bDefault);
if( bDefault )
fW = 1;
else
bHasWidth = TRUE;
const char* pszColor = poPen->Color(bDefault);
int nColorLen = static_cast<int>(CPLStrnlen(pszColor, 10));
if( pszColor != NULL && pszColor[0] == '#' && !bDefault && nColorLen >= 7)
{
char acColor[9] = {0};
/* Order of KML color is aabbggrr, whereas OGR color is #rrggbb[aa] ! */
if(nColorLen == 9)
{
acColor[0] = pszColor[7]; /* A */
acColor[1] = pszColor[8];
}
else
{
acColor[0] = 'F';
acColor[1] = 'F';
}
acColor[2] = pszColor[5]; /* B */
acColor[3] = pszColor[6];
acColor[4] = pszColor[3]; /* G */
acColor[5] = pszColor[4];
acColor[6] = pszColor[1]; /* R */
acColor[7] = pszColor[2];
VSIFPrintfL( fp, "<LineStyle><color>%s</color>", acColor);
if (bHasWidth)
VSIFPrintfL( fp, "<width>%g</width>", fW);
VSIFPrintfL( fp, "</LineStyle>");
}
else
VSIFPrintfL( fp, "<LineStyle><color>ff0000ff</color></LineStyle>");
}
else
VSIFPrintfL( fp, "<LineStyle><color>ff0000ff</color></LineStyle>");
delete poPen;
//If we're dealing with a polygon, add a line style that will stand out a bit
VSIFPrintfL( fp, "<PolyStyle><fill>0</fill></PolyStyle></Style>\n" );
}
int bHasFoundOtherField = FALSE;
// Write all fields as SchemaData
for( int iField = 0; iField < poFeatureDefn_->GetFieldCount(); iField++ )
{
OGRFieldDefn *poField = poFeatureDefn_->GetFieldDefn( iField );
if( poFeature->IsFieldSet( iField ))
{
if (NULL != poDS_->GetNameField() &&
EQUAL(poField->GetNameRef(), poDS_->GetNameField()) )
continue;
if (NULL != poDS_->GetDescriptionField() &&
EQUAL(poField->GetNameRef(), poDS_->GetDescriptionField()) )
continue;
if (!bHasFoundOtherField)
{
VSIFPrintfL( fp, "\t<ExtendedData><SchemaData schemaUrl=\"#%s\">\n", pszName_ );
bHasFoundOtherField = TRUE;
}
const char *pszRaw = poFeature->GetFieldAsString( iField );
while( *pszRaw == ' ' )
pszRaw++;
char *pszEscaped;
if (poFeatureDefn_->GetFieldDefn(iField)->GetType() == OFTReal)
{
pszEscaped = CPLStrdup( pszRaw );
}
else
{
pszEscaped = OGRGetXML_UTF8_EscapedString( pszRaw );
}
VSIFPrintfL( fp, "\t\t<SimpleData name=\"%s\">%s</SimpleData>\n",
poField->GetNameRef(), pszEscaped);
CPLFree( pszEscaped );
}
}
if (bHasFoundOtherField)
{
VSIFPrintfL( fp, "\t</SchemaData></ExtendedData>\n" );
}
// Write out Geometry - for now it isn't indented properly.
if( poFeature->GetGeometryRef() != NULL )
{
char* pszGeometry = NULL;
OGREnvelope sGeomBounds;
OGRGeometry* poWGS84Geom;
if (NULL != poCT_)
{
poWGS84Geom = poFeature->GetGeometryRef()->clone();
poWGS84Geom->transform( poCT_ );
}
else
{
poWGS84Geom = poFeature->GetGeometryRef();
}
// TODO - porting
// pszGeometry = poFeature->GetGeometryRef()->exportToKML();
pszGeometry =
OGR_G_ExportToKML( (OGRGeometryH)poWGS84Geom,
poDS_->GetAltitudeMode());
VSIFPrintfL( fp, " %s\n", pszGeometry );
CPLFree( pszGeometry );
poWGS84Geom->getEnvelope( &sGeomBounds );
poDS_->GrowExtents( &sGeomBounds );
if (NULL != poCT_)
{
delete poWGS84Geom;
}
}
VSIFPrintfL( fp, " </Placemark>\n" );
nWroteFeatureCount_++;
return OGRERR_NONE;
}