Example #1
0
void QgsMssqlGeometryParser::ReadMultiLineString( int iShape )
{
  int i, iCount;
  iCount = nNumShapes - iShape - 1;
  if ( iCount <= 0 )
    return;
  // copy byte order
  CopyBytes( &chByteOrder, 1 );
  // copy type
  int wkbType;
  if ( chProps & SP_HASZVALUES )
    wkbType = QGis::WKBMultiLineString25D;
  else
    wkbType = QGis::WKBMultiLineString;
  CopyBytes( &wkbType, 4 );
  // copy length
  CopyBytes( &iCount, 4 );
  // copy linestrings
  for ( i = iShape + 1; i < nNumShapes; i++ )
  {
    if ( ParentOffset( i ) == ( unsigned int )iShape )
    {
      if ( ShapeType( i ) == ST_LINESTRING )
        ReadLineString( i );
    }
  }
}
mapnik::geometry::multi_line_string<double> sqlserver_geometry_parser::ReadMultiLineString(int iShape)
{
	mapnik::geometry::multi_line_string<double> geom;

    for (int i = iShape + 1; i < nNumShapes; i++) {
        if (ParentOffset(i) == (unsigned int)iShape) {
            if ( ShapeType(i) == ST_LINESTRING ) {
                geom.emplace_back(ReadLineString(i));
            }
        }
    }
    
    return geom;
}
Example #3
0
void QgsMssqlGeometryParser::ReadGeometryCollection( int iShape )
{
  int i;
  int iCount = nNumShapes - iShape - 1;;
  if ( iCount <= 0 )
    return;
  // copy byte order
  CopyBytes( &chByteOrder, 1 );
  // copy type
  int wkbType = QGis::WKBUnknown;;
  CopyBytes( &wkbType, 4 );
  // copy geom count
  CopyBytes( &iCount, 4 );
  for ( i = iShape + 1; i < nNumShapes; i++ )
  {
    if ( ParentOffset( i ) == ( unsigned int )iShape )
    {
      switch ( ShapeType( i ) )
      {
        case ST_POINT:
          ReadPoint( i );
          break;
        case ST_LINESTRING:
          ReadLineString( i );
          break;
        case ST_POLYGON:
          ReadPolygon( i );
          break;
        case ST_MULTIPOINT:
          ReadMultiPoint( i );
          break;
        case ST_MULTILINESTRING:
          ReadMultiLineString( i );
          break;
        case ST_MULTIPOLYGON:
          ReadMultiPolygon( i );
          break;
        case ST_GEOMETRYCOLLECTION:
          ReadGeometryCollection( i );
          break;
      }
    }
  }
}
Example #4
0
OGRGeometryCollection* OGRMSSQLGeometryParser::ReadGeometryCollection(int iShape)
{
    int i;
    OGRGeometryCollection* poGeomColl = new OGRGeometryCollection();
    OGRGeometry* poGeom;

    for (i = iShape + 1; i < nNumShapes; i++)
    {
        poGeom = NULL;
        if (ParentOffset(i) == (unsigned int)iShape)
        {
            switch (ShapeType(i))
            {
            case ST_POINT:
                poGeom = ReadPoint(i);
                break;
            case ST_LINESTRING:
                poGeom = ReadLineString(i);
                break;
            case ST_POLYGON:
                poGeom = ReadPolygon(i);
                break;
            case ST_MULTIPOINT:
                poGeom = ReadMultiPoint(i);
                break;
            case ST_MULTILINESTRING:
                poGeom = ReadMultiLineString(i);
                break;
            case ST_MULTIPOLYGON:
                poGeom = ReadMultiPolygon(i);
                break;
            case ST_GEOMETRYCOLLECTION:
                poGeom = ReadGeometryCollection(i);
                break;
            }
        }
        if ( poGeom )
            poGeomColl->addGeometryDirectly( poGeom );
    }

    return poGeomColl;
}
Example #5
0
OGRMultiLineString* OGRMSSQLGeometryParser::ReadMultiLineString(int iShape)
{
    int i;
    OGRMultiLineString* poMultiLineString = new OGRMultiLineString();
    OGRGeometry* poGeom;

    for (i = iShape + 1; i < nNumShapes; i++)
    {
        poGeom = NULL;
        if (ParentOffset(i) == (unsigned int)iShape)
        {
            if  ( ShapeType(i) == ST_LINESTRING )
                poGeom = ReadLineString(i);
        }
        if ( poGeom )
            poMultiLineString->addGeometryDirectly( poGeom );
    }

    return poMultiLineString;
}
mapnik::geometry::geometry_collection<double> sqlserver_geometry_parser::ReadGeometryCollection(int iShape)
{
    mapnik::geometry::geometry_collection<double> geom;

    for (int i = iShape + 1; i < nNumShapes; i++) {
        mapnik::geometry::geometry<double> shape = mapnik::geometry::geometry_empty();
        if (ParentOffset(i) == (unsigned int)iShape) {
            switch (ShapeType(i))
            {
            case ST_POINT:
                shape = ReadPoint(i);
                break;
            case ST_LINESTRING:
                shape = ReadLineString(i);
                break;
            case ST_POLYGON:
                shape = ReadPolygon(i);
                break;
            case ST_MULTIPOINT:
                shape = ReadMultiPoint(i);
                break;
            case ST_MULTILINESTRING:
                shape = ReadMultiLineString(i);
                break;
            case ST_MULTIPOLYGON:
                shape = ReadMultiPolygon(i);
                break;
            case ST_GEOMETRYCOLLECTION:
                shape = ReadGeometryCollection(i);
                break;
            }
        }
        geom.push_back(shape);
    }

  return geom;
}
Example #7
0
bool CModelFile::ReadTextModel(std::istream& stream)
{
    m_triangles.clear();

    NewModelHeader header;

    bool headOk = ReadLineValue<int>(stream, "version", header.version) &&
                  ReadLineValue<int>(stream, "total_triangles", header.totalTriangles);

    if (!headOk || !stream.good())
    {
        GetLogger()->Error("Error reading model file header\n");
        return false;
    }

    // New model version 1
    if (header.version == 1)
    {
        for (int i = 0; i < header.totalTriangles; ++i)
        {
            NewModelTriangle1 t;

            std::string p1Text, p2Text, p3Text;
            std::string matText;
            char varTex2Ch = 0;

            bool triOk = ReadLineString(stream, "p1", p1Text) &&
                         ReadTextVertexTex2(p1Text, t.p1) &&
                         ReadLineString(stream, "p2", p2Text) &&
                         ReadTextVertexTex2(p2Text, t.p2) &&
                         ReadLineString(stream, "p3", p3Text) &&
                         ReadTextVertexTex2(p3Text, t.p3) &&
                         ReadLineString(stream, "mat", matText) &&
                         ReadTextMaterial(matText, t.material) &&
                         ReadLineValue<std::string>(stream, "tex1", t.tex1Name) &&
                         ReadLineValue<std::string>(stream, "tex2", t.tex2Name) &&
                         ReadLineValue<char>(stream, "var_tex2", varTex2Ch) &&
                         ReadLineValue<int>(stream, "lod_level", t.lodLevel) &&
                         ReadLineValue<int>(stream, "state", t.state);

            if (!triOk || stream.fail())
            {
                GetLogger()->Error("Error reading model data\n");
                return false;
            }

            t.variableTex2 = varTex2Ch == 'Y';


            ModelTriangle triangle;
            triangle.p1 = t.p1;
            triangle.p2 = t.p2;
            triangle.p3 = t.p3;
            triangle.material = t.material;
            triangle.tex1Name = t.tex1Name;
            triangle.tex2Name = t.tex2Name;
            triangle.variableTex2 = t.variableTex2;
            triangle.state = t.state;

            switch (t.lodLevel)
            {
                case 0: triangle.lodLevel = LOD_Constant; break;
                case 1: triangle.lodLevel = LOD_Low;      break;
                case 2: triangle.lodLevel = LOD_Medium;   break;
                case 3: triangle.lodLevel = LOD_High;     break;
                default: break;
            }

            m_triangles.push_back(triangle);

            continue;
        }
    }
    else
    {
        GetLogger()->Error("Unknown model file version\n");
        return false;
    }

    for (int i = 0; i < static_cast<int>( m_triangles.size() ); ++i)
    {
        GetLogger()->Trace("ModelTriangle %d\n", i+1);
        std::string s1 = m_triangles[i].p1.ToString();
        GetLogger()->Trace(" p1: %s\n", s1.c_str());
        std::string s2 = m_triangles[i].p2.ToString();
        GetLogger()->Trace(" p2: %s\n", s2.c_str());
        std::string s3 = m_triangles[i].p3.ToString();
        GetLogger()->Trace(" p3: %s\n", s3.c_str());

        std::string d = m_triangles[i].material.diffuse.ToString();
        std::string a = m_triangles[i].material.ambient.ToString();
        std::string s = m_triangles[i].material.specular.ToString();
        GetLogger()->Trace(" mat: d: %s  a: %s  s: %s\n", d.c_str(), a.c_str(), s.c_str());

        GetLogger()->Trace(" tex1: %s  tex2: %s\n", m_triangles[i].tex1Name.c_str(), m_triangles[i].tex2Name.c_str());
        GetLogger()->Trace(" lod level: %d\n", m_triangles[i].lodLevel);
        GetLogger()->Trace(" state: %ld\n", m_triangles[i].state);
    }

    return true;
}
Example #8
0
unsigned char* QgsMssqlGeometryParser::ParseSqlGeometry( unsigned char* pszInput, int nLen )
{
  if ( nLen < 10 )
  {
    QgsDebugMsg( "ParseSqlGeometry not enough data" );
    DumpMemoryToLog( "Not enough data", pszInput, nLen );
    return NULL;
  }

  pszData = pszInput;
  nWkbMaxLen = nLen;

  /* store the SRS id for further use */
  nSRSId = ReadInt32( 0 );

  if ( ReadByte( 4 ) != 1 )
  {
    QgsDebugMsg( "ParseSqlGeometry corrupt data" );
    DumpMemoryToLog( "Corrupt data", pszInput, nLen );
    return NULL;
  }

  chProps = ReadByte( 5 );

  if ( chProps & SP_HASZVALUES && chProps & SP_HASMVALUES )
    nPointSize = 32;
  else if ( chProps & SP_HASZVALUES || chProps & SP_HASMVALUES )
    nPointSize = 24;
  else
    nPointSize = 16;

  /* store byte order */
  chByteOrder = QgsApplication::endian();

  pszWkb = new unsigned char[nLen]; // wkb should be less or equal in size
  nWkbLen = 0;

  if ( chProps & SP_ISSINGLEPOINT )
  {
    // single point geometry
    nNumPoints = 1;
    nPointPos = 6;

    if ( nLen < 6 + nPointSize )
    {
      delete [] pszWkb;
      QgsDebugMsg( "ParseSqlGeometry not enough data" );
      DumpMemoryToLog( "Not enough data", pszInput, nLen );
      return NULL;
    }

    CopyPoint( 0 );
  }
  else if ( chProps & SP_ISSINGLELINESEGMENT )
  {
    // single line segment with 2 points
    nNumPoints = 2;
    nPointPos = 6;

    if ( nLen < 6 + 2 * nPointSize )
    {
      delete [] pszWkb;
      QgsDebugMsg( "ParseSqlGeometry not enough data" );
      DumpMemoryToLog( "Not enough data", pszInput, nLen );
      return NULL;
    }

    // copy byte order
    CopyBytes( &chByteOrder, 1 );
    // copy type
    int wkbType;
    if ( chProps & SP_HASZVALUES )
      wkbType = QGis::WKBLineString25D;
    else
      wkbType = QGis::WKBLineString;
    CopyBytes( &wkbType, 4 );
    // copy point count
    int iCount = 2;
    CopyBytes( &iCount, 4 );
    // copy points
    CopyCoordinates( 0 );
    CopyCoordinates( 1 );
  }
  else
  {
    // complex geometries
    nNumPoints = ReadInt32( 6 );

    if ( nNumPoints <= 0 )
    {
      delete [] pszWkb;
      return NULL;
    }

    // position of the point array
    nPointPos = 10;

    // position of the figures
    nFigurePos = nPointPos + nPointSize * nNumPoints + 4;

    if ( nLen < nFigurePos )
    {
      delete [] pszWkb;
      QgsDebugMsg( "ParseSqlGeometry not enough data" );
      DumpMemoryToLog( "Not enough data", pszInput, nLen );
      return NULL;
    }

    nNumFigures = ReadInt32( nFigurePos - 4 );

    if ( nNumFigures <= 0 )
    {
      delete [] pszWkb;
      return NULL;
    }

    // position of the shapes
    nShapePos = nFigurePos + 5 * nNumFigures + 4;

    if ( nLen < nShapePos )
    {
      delete [] pszWkb;
      QgsDebugMsg( "ParseSqlGeometry not enough data" );
      DumpMemoryToLog( "Not enough data", pszInput, nLen );
      return NULL;
    }

    nNumShapes = ReadInt32( nShapePos - 4 );

    if ( nLen < nShapePos + 9 * nNumShapes )
    {
      delete [] pszWkb;
      QgsDebugMsg( "ParseSqlGeometry not enough data" );
      DumpMemoryToLog( "Not enough data", pszInput, nLen );
      return NULL;
    }

    if ( nNumShapes <= 0 )
    {
      delete [] pszWkb;
      return NULL;
    }

    // pick up the root shape
    if ( ParentOffset( 0 ) != 0xFFFFFFFF )
    {
      delete [] pszWkb;
      QgsDebugMsg( "ParseSqlGeometry corrupt data" );
      DumpMemoryToLog( "Not enough data", pszInput, nLen );
      return NULL;
    }

    // determine the shape type
    switch ( ShapeType( 0 ) )
    {
      case ST_POINT:
        ReadPoint( 0 );
        break;
      case ST_LINESTRING:
        ReadLineString( 0 );
        break;
      case ST_POLYGON:
        ReadPolygon( 0 );
        break;
      case ST_MULTIPOINT:
        ReadMultiPoint( 0 );
        break;
      case ST_MULTILINESTRING:
        ReadMultiLineString( 0 );
        break;
      case ST_MULTIPOLYGON:
        ReadMultiPolygon( 0 );
        break;
        //case ST_GEOMETRYCOLLECTION:
        //ReadGeometryCollection(0);
        //break;
      default:
        delete [] pszWkb;
        QgsDebugMsg( "ParseSqlGeometry unsupported geometry type" );
        DumpMemoryToLog( "Unsupported geometry type", pszInput, nLen );
        return NULL;
    }
  }

  return pszWkb;
}
Example #9
0
OGRErr OGRMSSQLGeometryParser::ParseSqlGeometry(unsigned char* pszInput,
        int nLen, OGRGeometry **poGeom)
{
    if (nLen < 10)
        return OGRERR_NOT_ENOUGH_DATA;

    pszData = pszInput;

    /* store the SRS id for further use */
    nSRSId = ReadInt32(0);

    if ( ReadByte(4) != 1 )
    {
        return OGRERR_CORRUPT_DATA;
    }

    chProps = ReadByte(5);

    if ( chProps & SP_HASMVALUES )
        nPointSize = 32;
    else if ( chProps & SP_HASZVALUES )
        nPointSize = 24;
    else
        nPointSize = 16;

    if ( chProps & SP_ISSINGLEPOINT )
    {
        // single point geometry
        nNumPoints = 1;
        nPointPos = 6;

        if (nLen < 6 + nPointSize)
        {
            return OGRERR_NOT_ENOUGH_DATA;
        }

        if (nColType == MSSQLCOLTYPE_GEOGRAPHY)
        {
            if (chProps & SP_HASZVALUES)
                *poGeom = new OGRPoint(ReadY(0), ReadX(0), ReadZ(0));
            else
                *poGeom = new OGRPoint(ReadY(0), ReadX(0));
        }
        else
        {
            if (chProps & SP_HASZVALUES)
                *poGeom = new OGRPoint(ReadX(0), ReadY(0), ReadZ(0));
            else
                *poGeom = new OGRPoint(ReadX(0), ReadY(0));
        }
    }
    else if ( chProps & SP_ISSINGLELINESEGMENT )
    {
        // single line segment with 2 points
        nNumPoints = 2;
        nPointPos = 6;

        if (nLen < 6 + 2 * nPointSize)
        {
            return OGRERR_NOT_ENOUGH_DATA;
        }

        OGRLineString* line = new OGRLineString();
        line->setNumPoints(2);

        if (nColType == MSSQLCOLTYPE_GEOGRAPHY)
        {
            if ( chProps & SP_HASZVALUES )
            {
                line->setPoint(0, ReadY(0), ReadX(0), ReadZ(0));
                line->setPoint(1, ReadY(1), ReadX(1), ReadZ(1));
            }
            else
            {
                line->setPoint(0, ReadY(0), ReadX(0));
                line->setPoint(1, ReadY(1), ReadX(1));
            }
        }
        else
        {
            if ( chProps & SP_HASZVALUES )
            {
                line->setPoint(0, ReadX(0), ReadY(0), ReadZ(0));
                line->setPoint(1, ReadX(1), ReadY(1), ReadZ(1));
            }
            else
            {
                line->setPoint(0, ReadX(0), ReadY(0));
                line->setPoint(1, ReadX(1), ReadY(1));
            }
        }

        *poGeom = line;
    }
    else
    {
        // complex geometries
        nNumPoints = ReadInt32(6);

        if ( nNumPoints <= 0 )
        {
            return OGRERR_NONE;
        }

        // position of the point array
        nPointPos = 10;

        // position of the figures
        nFigurePos = nPointPos + nPointSize * nNumPoints + 4;

        if (nLen < nFigurePos)
        {
            return OGRERR_NOT_ENOUGH_DATA;
        }

        nNumFigures = ReadInt32(nFigurePos - 4);

        if ( nNumFigures <= 0 )
        {
            return OGRERR_NONE;
        }

        // position of the shapes
        nShapePos = nFigurePos + 5 * nNumFigures + 4;

        if (nLen < nShapePos)
        {
            return OGRERR_NOT_ENOUGH_DATA;
        }

        nNumShapes = ReadInt32(nShapePos - 4);

        if (nLen < nShapePos + 9 * nNumShapes)
        {
            return OGRERR_NOT_ENOUGH_DATA;
        }

        if ( nNumShapes <= 0 )
        {
            return OGRERR_NONE;
        }

        // pick up the root shape
        if ( ParentOffset(0) != 0xFFFFFFFF)
        {
            return OGRERR_CORRUPT_DATA;
        }

        // determine the shape type
        switch (ShapeType(0))
        {
        case ST_POINT:
            *poGeom = ReadPoint(0);
            break;
        case ST_LINESTRING:
            *poGeom = ReadLineString(0);
            break;
        case ST_POLYGON:
            *poGeom = ReadPolygon(0);
            break;
        case ST_MULTIPOINT:
            *poGeom = ReadMultiPoint(0);
            break;
        case ST_MULTILINESTRING:
            *poGeom = ReadMultiLineString(0);
            break;
        case ST_MULTIPOLYGON:
            *poGeom = ReadMultiPolygon(0);
            break;
        case ST_GEOMETRYCOLLECTION:
            *poGeom = ReadGeometryCollection(0);
            break;
        default:
            return OGRERR_UNSUPPORTED_GEOMETRY_TYPE;
        }
    }

    return OGRERR_NONE;
}
mapnik::geometry::geometry<double> sqlserver_geometry_parser::parse(unsigned char* pszInput, int nLen)
{
    if (nLen < 10) {
        throw sqlserver_geometry_parser_exception("not enough data, nLen < 10");
    }
    
    pszData = pszInput;
    
    /* store the SRS id for further use */
    nSRSId = ReadInt32(0);
    
    if ( ReadByte(4) != 1 )
    {
        throw sqlserver_geometry_parser_exception("corrupt data, ReadByte(4) != 1");
    }

    chProps = ReadByte(5);

    if ( chProps & SP_HASMVALUES )
        nPointSize = 32;
    else if ( chProps & SP_HASZVALUES )
        nPointSize = 24;
    else
        nPointSize = 16;

    mapnik::geometry::geometry<double> geom;
    if ( chProps & SP_ISSINGLEPOINT )
    {
        // single point geometry
        nNumPoints = 1;
        nPointPos = 6;

        if (nLen < 6 + nPointSize)
        {
            throw sqlserver_geometry_parser_exception("not enough data, nLen < 6 + nPointSize");
        }
        
        mapnik::geometry::point<double> point;
        
        if (colType == Geography)
        {
            point.x = ReadY(0);
            point.y = ReadX(0);
        }
        else
        {
            point.x = ReadX(0);
            point.y = ReadY(0);
        }
        geom = point;
    }
    else if ( chProps & SP_ISSINGLELINESEGMENT )
    {
        // single line segment with 2 points
        nNumPoints = 2;
        nPointPos = 6;

        if (nLen < 6 + 2 * nPointSize)
        {
            throw sqlserver_geometry_parser_exception("not enough data, nLen < 6 + 2 * nPointSize");
        }

        mapnik::geometry::line_string<double> line;

        if (colType == Geography)
        {
            line.emplace_back(ReadY(0), ReadX(0));
            line.emplace_back(ReadY(1), ReadX(1));
        }
        else
        {
            line.emplace_back(ReadX(0), ReadY(0));
            line.emplace_back(ReadX(1), ReadY(1));
        }
        geom = line;
        
    }
    else
    {
        // complex geometries
        nNumPoints = ReadInt32(6);

        if ( nNumPoints <= 0 )
        {
            throw sqlserver_geometry_parser_exception("negative number of points, nNumPoints <= 0");
        }

        // position of the point array
        nPointPos = 10;

        // position of the figures
        nFigurePos = nPointPos + nPointSize * nNumPoints + 4;
        
        if (nLen < nFigurePos)
        {
            throw sqlserver_geometry_parser_exception("not enough data, nLen < nFigurePos");
        }

        nNumFigures = ReadInt32(nFigurePos - 4);

        if ( nNumFigures <= 0 )
        {
            throw sqlserver_geometry_parser_exception("negative number of figures, nNumFigures <= 0");
        }
        
        // position of the shapes
        nShapePos = nFigurePos + 5 * nNumFigures + 4;

        if (nLen < nShapePos)
        {
            throw sqlserver_geometry_parser_exception("not enough data, nLen < nShapePos");
        }

        nNumShapes = ReadInt32(nShapePos - 4);

        if (nLen < nShapePos + 9 * nNumShapes)
        {
            throw sqlserver_geometry_parser_exception("not enough data, nLen < nShapePos + 9 * nNumShapes");
        }

        if ( nNumShapes <= 0 )
        {
            throw sqlserver_geometry_parser_exception("negative number of shapes, nNumShapes <= 0");
        }

        // pick up the root shape
        if ( ParentOffset(0) != 0xFFFFFFFF)
        {
            throw sqlserver_geometry_parser_exception("corrupt data, ParentOffset(0) != 0xFFFFFFFF");
        }

        // determine the shape type
        switch (ShapeType(0))
        {
        case ST_POINT:
            geom = ReadPoint(0);
            break;
        case ST_LINESTRING:
            geom = ReadLineString(0);
            break;
        case ST_POLYGON:
            geom = ReadPolygon(0);
            break;
        case ST_MULTIPOINT:
            geom = ReadMultiPoint(0);
            break;
        case ST_MULTILINESTRING:
            geom = ReadMultiLineString(0);
            break;
        case ST_MULTIPOLYGON:
            geom = ReadMultiPolygon(0);
            break;
        case ST_GEOMETRYCOLLECTION:
            geom = ReadGeometryCollection(0);
            break;
        default:
            throw sqlserver_geometry_parser_exception("unsupported geometry type");
        }
    }

    return geom;
}