ossimFgdcXmlDoc Class Reference

Class for FGDC XML doc parsing. More...

#include <ossimFgdcXmlDoc.h>

Public Member Functions
	ossimFgdcXmlDoc ()
	default constructor More...
	~ossimFgdcXmlDoc ()
	destructor More...
bool	open (const ossimFilename &xmlFileName)
	Open method. More...
bool	isOpen () const
void	close ()
	close method. More...
ossimRefPtr< ossimProjection >	getProjection ()
	Gets projection from document. More...
ossimUnitType	getUnitType () const
bool	getGeoCsn (ossimString &s) const
bool	getProjCsn (ossimString &s) const
bool	getAltitudeDistantUnits (ossimString &s) const
	Get the Altitude Distance Units. More...
bool	getGridCoordinateSystem (ossimString &s) const
	Get the Grid Coordinate system. More...
ossimRefPtr< ossimProjection >	getGridCoordSysProjection ()
	Gets projection from Grid Coordinate system node. More...
bool	getHorizontalDatum (ossimString &s) const
	Get the Grid Coordinate system. More...
bool	getPlanarDistantUnits (ossimString &s) const
	Get the Planar Distant Units. More...
bool	getUtmFalseNorthing (ossimString &s) const
	Get UTM false Northing. More...
bool	getUtmZone (ossimString &s) const
	Get UTM zone. More...
ossim_uint32	getNumberOfBands ()
	Get Bands. More...
bool	getPath (const ossimString &path, ossimString &s) const
	Gets path from doc and initializes string. More...
bool	getImageSize (ossimIpt &size) const

Private Member Functions
bool	getXRes (ossim_float64 &v) const
bool	getYRes (ossim_float64 &v) const
void	getBoundingBox (ossimDrect &rect) const
bool	getPath (const ossimString &path, ossim_float64 &v) const
	Gets path from doc and initializes string. More...
const ossimDatum *	createOssimDatum (const ossimString &s) const
	Gets the ossimDatum from string. More...

Private Attributes
ossimFilename	m_xmlFilename
ossimRefPtr< ossimXmlDocument >	m_xmlDocument
ossimRefPtr< ossimProjection >	m_projection
bool	m_boundInDegree

Detailed Description

Class for FGDC XML doc parsing.

Definition at line 27 of file ossimFgdcXmlDoc.h.

Constructor & Destructor Documentation

ossimFgdcXmlDoc()

ossimFgdcXmlDoc::ossimFgdcXmlDoc

(

)

default constructor

Definition at line 30 of file ossimFgdcXmlDoc.cpp.

   : m_xmlFilename(ossimFilename::NIL),
     m_xmlDocument(0),
     m_projection(0),
     m_boundInDegree(false)
{
}

~ossimFgdcXmlDoc()

ossimFgdcXmlDoc::~ossimFgdcXmlDoc

(

)

destructor

Definition at line 38 of file ossimFgdcXmlDoc.cpp.

{
}

Member Function Documentation

close()

void ossimFgdcXmlDoc::close

(

)

close method.

Definition at line 63 of file ossimFgdcXmlDoc.cpp.

References m_projection, m_xmlDocument, m_xmlFilename, and ossimFilename::NIL.

Referenced by open().

{
   m_xmlFilename = ossimFilename::NIL;
   m_xmlDocument = 0;
   m_projection  = 0;
}

createOssimDatum()

const ossimDatum * ossimFgdcXmlDoc::createOssimDatum ( const ossimString &  s ) const

private

Gets the ossimDatum from string.

Definition at line 525 of file ossimFgdcXmlDoc.cpp.

References ossimDatumFactoryRegistry::create(), ossimString::downcase(), ossimDatumFactoryRegistry::instance(), and ossimString::string().

{
   ossimString horizdn = s.downcase();
   ossimString datumCode;
   if ( horizdn == "north american datum of 1983" )
   {
      datumCode = "NAR-C";
   }
   else if ( horizdn == "north american datum of 1927" )
   {
      datumCode = "NAS-C";
   }
   else if ( horizdn == "wgs84")
   {
      datumCode = "WGE";
   }
   else
   {
      std::string errMsg = "ossimFgdcXmlDoc::createOssimDatum ERROR: Unhandled datum: ";
      errMsg += horizdn.string();
      throw ossimException(errMsg);
   }
   return ossimDatumFactoryRegistry::instance()->create(datumCode);   
}

getAltitudeDistantUnits()

bool ossimFgdcXmlDoc::getAltitudeDistantUnits

(

ossimString &

s

)

const

Get the Altitude Distance Units.

Path: "/metadata/spref/vertdef/altsys/altunits"

Domain: "meters" "feet"

Returns

Text for path.

Definition at line 170 of file ossimFgdcXmlDoc.cpp.

References getPath().

{
   ossimString xpath = "/metadata/spref/vertdef/altsys/altunits";
   return getPath(xpath, s);
}

getBoundingBox()

void ossimFgdcXmlDoc::getBoundingBox ( ossimDrect &  rect ) const

private

Definition at line 375 of file ossimFgdcXmlDoc.cpp.

References getPath(), isOpen(), m_boundInDegree, ossimDrect::makeNan(), and OSSIM_RIGHT_HANDED.

Referenced by getProjection().

{
   rect.makeNan();
   
   if (isOpen())
   {
      double ll_lat = 0.0;
      double ll_lon = 0.0;
      double lr_lat = 0.0;
      double lr_lon = 0.0;
      double ul_lat = 0.0;
      double ul_lon = 0.0;
      double ur_lat = 0.0;
      double ur_lon = 0.0;
     
      ossimString xpath = "/metadata/idinfo/spdom/lboundng/leftbc";
      bool result = getPath(xpath, ul_lon);
      if (!result)
      {
         xpath = "/metadata/idinfo/spdom/bounding/westbc";
         result = getPath(xpath, ul_lon);
         m_boundInDegree = true;
      }
      if (result)
      {
         ll_lon = ul_lon;
      }
      
      xpath = "/metadata/idinfo/spdom/lboundng/rightbc";
      result = getPath(xpath, ur_lon);
      if (!result)
      {
         xpath = "/metadata/idinfo/spdom/bounding/eastbc";
         result = getPath(xpath, ur_lon);
         m_boundInDegree = true;
      }
      if (result)
      {
         lr_lon = ur_lon;
      }

      xpath = "/metadata/idinfo/spdom/lboundng/bottombc";
      result = getPath(xpath, ll_lat);
      if (!result)
      {
         xpath = "/metadata/idinfo/spdom/bounding/southbc";
         result = getPath(xpath, ll_lat);
         m_boundInDegree = true;
      }
      if (result)
      {
         lr_lat = ll_lat;
      }

      xpath = "/metadata/idinfo/spdom/lboundng/topbc";
      result = getPath(xpath, ul_lat);
      if (!result)
      {
         xpath = "/metadata/idinfo/spdom/bounding/northbc";
         result = getPath(xpath, ul_lat);
         m_boundInDegree = true;
      }
      if (result)
      {
         ur_lat = ul_lat;
      }
      
      rect = ossimDrect(ossimDpt(ul_lon, ul_lat),
                        ossimDpt(ur_lon, ur_lat),
                        ossimDpt(lr_lon, lr_lat),
                        ossimDpt(ll_lon, ll_lat), OSSIM_RIGHT_HANDED); 
   }
}

getGeoCsn()

bool ossimFgdcXmlDoc::getGeoCsn

(

ossimString &

s

)

const

Returns

text for path "/metadata/spref/horizsys/cordsysn/geogcsn"

Definition at line 158 of file ossimFgdcXmlDoc.cpp.

References getPath().

{
   ossimString xpath = "/metadata/spref/horizsys/cordsysn/geogcsn";
   return getPath(xpath, s);
}

getGridCoordinateSystem()

bool ossimFgdcXmlDoc::getGridCoordinateSystem

(

ossimString &

s

)

const

Get the Grid Coordinate system.

Path: "/metadata/spref/horizsys/planar/gridsys/gridsysn"

Returns

Text for path.

Definition at line 176 of file ossimFgdcXmlDoc.cpp.

References getPath().

{
   ossimString xpath = "/metadata/spref/horizsys/planar/gridsys/gridsysn";
   return getPath(xpath, s);
}

getGridCoordSysProjection()

ossimRefPtr< ossimProjection > ossimFgdcXmlDoc::getGridCoordSysProjection

(

)

Gets projection from Grid Coordinate system node.

Throws ossimException on error.

Returns

Refptr with projection pointer. Underlying pointer may be null.

Definition at line 182 of file ossimFgdcXmlDoc.cpp.

Referenced by ossimGeneralRasterTileSource::getImageGeometry().

{
   static const char M[] = "ossimFgdcXmlDoc::getGridCoordSysProjection";
   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG) << M << " entered...\n";
   }

   if ( m_projection.valid() == false )
   {
      ossimString s;
      if ( getGridCoordinateSystem(s) )
      {
         ossimString gridsysn = s.downcase();
         if ( getHorizontalDatum(s) )
         {
            ossimString horizdn = s.downcase();
            const ossimDatum* datum = createOssimDatum(s); // throws exception
            
            if ( gridsysn == "universal transverse mercator" )
            {
               // Get the zone:
               if ( getUtmZone(s) )
               {
                  ossim_int32 zone = s.toInt32();

                  //---
                  // Note: Contruct with an origin with our datum.
                  // "proj->setDatum" does not change the origin's datum.
                  // This ensures theossimEpsgProjectionDatabase::findProjectionCode
                  // sets the psc code correctly down the line.
                  //---
                  ossimRefPtr<ossimUtmProjection> utmProj =
                     new ossimUtmProjection( *(datum->ellipsoid()), ossimGpt(0.0,0.0,0.0,datum) );
                  utmProj->setDatum(datum);
                  utmProj->setZone(zone);
                  
                  // Hemisphere( North false easting = 0.0, South = 10000000):
                  bool tmpResult = getUtmFalseNorthing(s);
                  if ( tmpResult && ( s != "0.0" ) )
                  {
                     utmProj->setHemisphere('S');
                  }
                  else
                  {
                     utmProj->setHemisphere('N');
                  }
                  utmProj->setPcsCode(0);

                  ossim_float64 xRes = 0.0;
                  ossim_float64 yRes = 0.0;
                  if (getXRes(xRes) && getYRes(yRes))
                  {
                     ossimDrect rect;
                     getBoundingBox(rect);

                     ossimDpt gsd(std::fabs(xRes), std::fabs(yRes));
                     ossimUnitType unitType = getUnitType();
                   
                     if (m_boundInDegree)
                     {
                        ossimGpt tieg(rect.ul().lat, rect.ul().lon);
                        utmProj->setUlTiePoints(tieg);
                     }
                     else
                     {
                        ossimDpt tie(rect.ul().x, rect.ul().y);
                        if ( unitType == OSSIM_US_SURVEY_FEET)
                        {
                           tie = tie * US_METERS_PER_FT;
                        }
                        else if ( unitType == OSSIM_FEET )
                        {
                           tie = tie * MTRS_PER_FT;
                        }
                        utmProj->setUlTiePoints(tie);
                     }

                     if ( unitType == OSSIM_US_SURVEY_FEET)
                     {
                        gsd = gsd * US_METERS_PER_FT;
                     }
                     else if ( unitType == OSSIM_FEET )
                     {
                        gsd = gsd * MTRS_PER_FT;
                     }
                     utmProj->setMetersPerPixel(gsd);
                  }
                  m_projection = utmProj.get(); // Capture projection.
               }
               else
               {
                  std::string errMsg = M;
                  errMsg += " ERROR: Could not determine utm zone!";
                  throw ossimException(errMsg);
               }
            }
         }
      }
   }
   
   if ( traceDebug() )
   {
      if ( m_projection.valid() )
      {
         m_projection->print(ossimNotify(ossimNotifyLevel_DEBUG));
      }
      ossimNotify(ossimNotifyLevel_DEBUG) << M << " exiting...\n";
   }
   return m_projection;
}

getHorizontalDatum()

bool ossimFgdcXmlDoc::getHorizontalDatum

(

ossimString &

s

)

const

Get the Grid Coordinate system.

Path: "/metadata/spref/horizsys/planar/gridsys/gridsysn"

Returns

Text for path.

Definition at line 295 of file ossimFgdcXmlDoc.cpp.

References getPath().

{
   ossimString xpath = "/metadata/spref/horizsys/geodetic/horizdn";
   return getPath(xpath, s);
}

getImageSize()

bool ossimFgdcXmlDoc::getImageSize

(

ossimIpt &

size

)

const

Definition at line 339 of file ossimFgdcXmlDoc.cpp.

References ossimXmlDocument::findNodes(), getPath(), m_xmlDocument, size, ossimRefPtr< T >::valid(), x, and y.

Referenced by ossimGeneralRasterTileSource::getXmlInfo(), and ossimGeneralRasterInfo::initializeFromXml().

{
   bool result = false;
   if (  m_xmlDocument.valid() )
   {
      ossimString xpath = "/metadata/spatRepInfo/GridSpatRep/axDimProps/Dimen/dimSize";
      vector<ossimRefPtr<ossimXmlNode> > xml_nodes;
      m_xmlDocument->findNodes(xpath, xml_nodes);
      if (xml_nodes.size() > 1)
      {
         size.x = xml_nodes[0]->getText().toInt32();
         size.y = xml_nodes[1]->getText().toInt32();
         result = true;
      }

      if (result == false)
      {
         xpath = "/metadata/spdoinfo/rastinfo/colcount";
         ossim_float64 x = 0.0;
         result = getPath(xpath, x);
         if (result)
         {
            size.x = (ossim_int32)x;
         }
         xpath = "/metadata/spdoinfo/rastinfo/rowcount";
         ossim_float64 y = 0.0;
         result = getPath(xpath, y);
         if (result)
         {
            size.y = (ossim_int32)y;
         }
      }
   }
   return result;
}

getNumberOfBands()

ossim_uint32 ossimFgdcXmlDoc::getNumberOfBands

(

)

Get Bands.

Path: "/metadata/spdoinfo/rastinfo/vrtcount"

the maximum number of raster objects along the vertical (z) axis. For use with rectangular volumetric raster objects (voxels).

Returns

int for path.

Definition at line 449 of file ossimFgdcXmlDoc.cpp.

References getPath(), and ossimString::toInt().

Referenced by ossimGeneralRasterTileSource::getXmlInfo(), and ossimGeneralRasterInfo::initializeFromXml().

{
   ossim_uint32 numOfBands = 0;
   ossimString s;
   ossimString xpath = "/metadata/spdoinfo/rastinfo/vrtcount";
   if (getPath(xpath, s))
   {
      numOfBands = s.toInt();
   }
   return numOfBands;
}

getPath() [1/2]

bool ossimFgdcXmlDoc::getPath	(	const ossimString &	path,
		ossimString &	s
	)		const

Gets path from doc and initializes string.

This method errors if multiple nodes are found for path.

Parameters

path	Xml path to look for.
s	String to initialize.

Returns

true on success and false if path is not found or if there are more than one of path.

Definition at line 461 of file ossimFgdcXmlDoc.cpp.

References ossimXmlDocument::findNodes(), m_xmlDocument, and ossimRefPtr< T >::valid().

Referenced by getAltitudeDistantUnits(), getBoundingBox(), getGeoCsn(), getGridCoordinateSystem(), getHorizontalDatum(), getImageSize(), getNumberOfBands(), getPath(), getPlanarDistantUnits(), getProjCsn(), getUtmFalseNorthing(), getUtmZone(), ossimGeneralRasterTileSource::getXmlInfo(), getXRes(), getYRes(), and ossimGeneralRasterInfo::initializeFromXml().

{
   static const char M[] = "ossimFgdcXmlDoc::getPath";
   
   bool result = false;
   if ( m_xmlDocument.valid() )
   {
      std::vector<ossimRefPtr<ossimXmlNode> > xnodes;
      m_xmlDocument->findNodes(path, xnodes);
      if ( xnodes.size() == 1 ) // Error if more than one.
      {
         if ( xnodes[0].valid() )
         {
            s = xnodes[0]->getText();
            result = true;
         }
         else
         {
            if(traceDebug())
            {
               
               ossimNotify(ossimNotifyLevel_WARN)
                  << M << " ERROR:\n"
                  << "Node not found: " << path
                  << std::endl;
            }
         }
      }
      else if ( xnodes.size() == 0 )
      {
         if(traceDebug())
         {
            ossimNotify(ossimNotifyLevel_WARN) << M << " ERROR:\nNode not found: " << path
               << std::endl;
         }
      }
      else
      {
         if(traceDebug())
         {
            
            ossimNotify(ossimNotifyLevel_WARN)
               << M << " ERROR:\nMultiple nodes found: " << path << std::endl;
         }
      }
   }
   if (!result)
   {
      s.clear();
   }
   return result;      
}

getPath() [2/2]

bool ossimFgdcXmlDoc::getPath ( const ossimString &  path, ossim_float64 &  v  ) const

private

Gets path from doc and initializes string.

Parameters

path	Xml path to look for.
v	Value to initialize.

Returns

true on success and false if path is not found or if there are more than one of path.

Definition at line 514 of file ossimFgdcXmlDoc.cpp.

References getPath(), and ossimString::toFloat64().

{
   ossimString s;
   bool result = getPath(path, s);
   if ( result )
   {
      v = s.toFloat64();
   }
   return result;
}

getPlanarDistantUnits()

bool ossimFgdcXmlDoc::getPlanarDistantUnits

(

ossimString &

s

)

const

Get the Planar Distant Units.

Path: "/metadata/spref/horizsys/planar/planci/plandu"

Domain: "meters" "international feet" "survey feet"

Returns

Text for path.

Definition at line 301 of file ossimFgdcXmlDoc.cpp.

References getPath().

Referenced by getUnitType().

{
   ossimString xpath = "/metadata/spref/horizsys/planar/planci/plandu";
   return getPath(xpath, s);
}

getProjCsn()

bool ossimFgdcXmlDoc::getProjCsn

(

ossimString &

s

)

const

Returns

text for path "/metadata/spref/horizsys/cordsysn/projcsn"

Definition at line 164 of file ossimFgdcXmlDoc.cpp.

References getPath().

Referenced by getProjection().

{
   ossimString xpath = "/metadata/spref/horizsys/cordsysn/projcsn";
   return getPath(xpath, s);
}

getProjection()

ossimRefPtr< ossimProjection > ossimFgdcXmlDoc::getProjection

(

)

Gets projection from document.

Definition at line 70 of file ossimFgdcXmlDoc.cpp.

References ossimEpsgProjectionFactory::createProjection(), ossimString::empty(), ossimRefPtr< T >::get(), getBoundingBox(), getProjCsn(), getUnitType(), getXRes(), getYRes(), ossimEpsgProjectionFactory::instance(), ossimMapProjection::isGeographic(), isOpen(), ossimDpt::lat, ossimDpt::lon, m_projection, ossimDpt::makeNan(), MTRS_PER_FT, OSSIM_FEET, OSSIM_US_SURVEY_FEET, ossimMapProjection::setDecimalDegreesPerPixel(), ossimMapProjection::setMetersPerPixel(), ossimMapProjection::setUlTiePoints(), ossimDrect::ul(), US_METERS_PER_FT, ossimRefPtr< T >::valid(), ossimDpt::x, and ossimDpt::y.

Referenced by ossimGdalTileSource::getExternalImageGeometryFromXml(), ossimGeneralRasterTileSource::getImageGeometry(), and ossimGdalOgrVectorAnnotation::loadExternalImageGeometryFromXml().

{
   if ( (m_projection.valid() == false) && isOpen() )
   {
      ossimString projName;
      if ( getProjCsn(projName) )
      {
         if (!projName.empty())
         {
            m_projection = ossimEpsgProjectionFactory::instance()->createProjection(projName);
            
            if ( m_projection.valid() )
            {
               ossimDpt gsd;
               gsd.makeNan();
               ossim_float64 d;
               if ( getXRes(d) )
               {
                  gsd.x = std::fabs(d);
               }
               if ( getYRes(d) )
               {
                  gsd.y = std::fabs(d);
               }
               ossimMapProjection* mapProj = dynamic_cast<ossimMapProjection*>(m_projection.get());
               if (mapProj)
               {
                  ossimDrect rect;
                  getBoundingBox(rect);
                  if (mapProj->isGeographic())
                  {
                     ossimGpt tie(rect.ul().lat, rect.ul().lon);
                     mapProj->setUlTiePoints(tie);
                     mapProj->setDecimalDegreesPerPixel(gsd);
                  }
                  else
                  {
                     ossimDpt tie(rect.ul().x, rect.ul().y);
                     ossimUnitType unitType = getUnitType();
                     if ( unitType == OSSIM_US_SURVEY_FEET)
                     {
                        gsd = gsd * US_METERS_PER_FT;
                        tie = tie * US_METERS_PER_FT;
                     }
                     else if ( unitType == OSSIM_FEET )
                     {
                        gsd = gsd * MTRS_PER_FT;
                        tie = tie * MTRS_PER_FT;
                     }
                        
                     mapProj->setUlTiePoints(tie);
                     mapProj->setMetersPerPixel(gsd);
                  }
               }
            }
         }
      }
   }
   return m_projection;
}

getUnitType()

ossimUnitType ossimFgdcXmlDoc::getUnitType

(

)

const

Returns

Unit type. Note meters is the default if not found in doc.

Definition at line 131 of file ossimFgdcXmlDoc.cpp.

References ossimString::contains(), ossimString::downcase(), getPlanarDistantUnits(), OSSIM_FEET, OSSIM_METERS, and OSSIM_US_SURVEY_FEET.

Referenced by getProjection().

{
   ossimUnitType result = OSSIM_METERS; // default
   ossimString units;
   if ( getPlanarDistantUnits(units) )
   {
      units.downcase();
      if ( units.contains("feet") )
      {
         if ( units.contains("international") )
         {
            result = OSSIM_FEET;
         }
         else
         {
            result = OSSIM_US_SURVEY_FEET; // Default for feet.
         }
      }
   }
   return result;
}

getUtmFalseNorthing()

bool ossimFgdcXmlDoc::getUtmFalseNorthing

(

ossimString &

s

)

const

Get UTM false Northing.

Path: "/metadata/spref/horizsys/planar/gridsys/utm/transmer/fnorth"

Returns

Text for path.

Definition at line 307 of file ossimFgdcXmlDoc.cpp.

References getPath().

{
   ossimString xpath = "/metadata/spref/horizsys/planar/gridsys/utm/transmer/fnorth";
   return getPath(xpath, s); 
}

getUtmZone()

bool ossimFgdcXmlDoc::getUtmZone

(

ossimString &

s

)

const

Get UTM zone.

Path: "/metadata/spref/horizsys/planar/gridsys/utm/utmzone"

Domain: 1 <= UTM Zone Number <= 60 for the northern hemisphere; -60 <= UTM Zone Number <= -1 for the southern hemisphere

Returns

Text for path.

Definition at line 313 of file ossimFgdcXmlDoc.cpp.

References getPath().

{
   ossimString xpath = "/metadata/spref/horizsys/planar/gridsys/utm/utmzone";
   return getPath(xpath, s); 
}

getXRes()

bool ossimFgdcXmlDoc::getXRes ( ossim_float64 &  v ) const

private

Definition at line 319 of file ossimFgdcXmlDoc.cpp.

References getPath().

Referenced by getProjection().

{
   ossimString xpath = "/metadata/spdoinfo/rastinfo/rastxsz";
   if (getPath(xpath, v) == false)
   {
      xpath = "/metadata/spref/horizsys/planar/planci/coordrep/absres";
   }
   return getPath(xpath, v);
}

getYRes()

bool ossimFgdcXmlDoc::getYRes ( ossim_float64 &  v ) const

private

Definition at line 329 of file ossimFgdcXmlDoc.cpp.

References getPath().

Referenced by getProjection().

{
   ossimString xpath = "/metadata/spdoinfo/rastinfo/rastysz";
   if (getPath(xpath, v) == false)
   {
      xpath = "/metadata/spref/horizsys/planar/planci/coordrep/ordres";
   }
   return getPath(xpath, v);
}

isOpen()

bool ossimFgdcXmlDoc::isOpen

(

)

const

Returns

true if m_xmlDocument is open; false if not.

Definition at line 153 of file ossimFgdcXmlDoc.cpp.

References m_xmlDocument, and ossimRefPtr< T >::valid().

Referenced by getBoundingBox(), getProjection(), and open().

{
   return m_xmlDocument.valid();
}

open()

bool ossimFgdcXmlDoc::open

(

const ossimFilename &

xmlFileName

)

Open method.

Returns

true on success, false on error.

Definition at line 42 of file ossimFgdcXmlDoc.cpp.

References close(), isOpen(), m_xmlDocument, m_xmlFilename, ossimString::size(), and ossimRefPtr< T >::valid().

Referenced by ossimGdalTileSource::getExternalImageGeometryFromXml(), ossimGeneralRasterTileSource::getImageGeometry(), ossimGeneralRasterTileSource::getXmlInfo(), ossimGeneralRasterInfo::initializeFromXml(), and ossimGdalOgrVectorAnnotation::loadExternalImageGeometryFromXml().

{
   bool result = false;
   if ( isOpen() )
   {
      close();
   }
   
   if (xmlFileName.size())
   {
      m_xmlDocument = new ossimXmlDocument(xmlFileName);
      if ( m_xmlDocument.valid() )
      {
         // May want to add a test for valid FGDC here??? (drb)
         m_xmlFilename = xmlFileName;
         result = true;
      }
   }
   return result;
}

Member Data Documentation

m_boundInDegree

bool ossimFgdcXmlDoc::m_boundInDegree

mutableprivate

Definition at line 185 of file ossimFgdcXmlDoc.h.

Referenced by getBoundingBox().

m_projection

ossimRefPtr<ossimProjection> ossimFgdcXmlDoc::m_projection

private

Definition at line 184 of file ossimFgdcXmlDoc.h.

Referenced by close(), and getProjection().

m_xmlDocument

ossimRefPtr<ossimXmlDocument> ossimFgdcXmlDoc::m_xmlDocument

private

Definition at line 183 of file ossimFgdcXmlDoc.h.

Referenced by close(), getImageSize(), getPath(), isOpen(), and open().

m_xmlFilename

ossimFilename ossimFgdcXmlDoc::m_xmlFilename

private

Definition at line 182 of file ossimFgdcXmlDoc.h.

Referenced by close(), and open().

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The documentation for this class was generated from the following files:

• ossimFgdcXmlDoc.h
• ossimFgdcXmlDoc.cpp