ntf_estlayers.cpp

GIS系统支持库Geospatial Data Abstraction Library代码.GDAL is a translator library for raster geospatial dat

    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // LINE_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // Geometry
    int         nGeomId;
    
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1],
                                                             &nGeomId));

    // GEOM_ID
    poFeature->SetField( 2, nGeomId );

    // Attributes
    poReader->ApplyAttributeValues( poFeature, papoGroup,
                                    "FC", 1, "OM", 3, "RN", 4, "TR", 5,
                                    "RI", 6, "LC", 7, "RC", 8, "LD", 9,
                                    "RD", 10, 
                                    NULL );

    return poFeature;
}

/************************************************************************/
/*                      TranslateMeridian2Point()                       */
/************************************************************************/

static OGRFeature *TranslateMeridian2Point( NTFFileReader *poReader,
                                            OGRNTFLayer *poLayer,
                                            NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) < 2
        || papoGroup[0]->GetType() != NRT_POINTREC
        || papoGroup[1]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // POINT_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // Geometry
    int         nGeomId;
    
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1],
                                                             &nGeomId));

    // GEOM_ID
    poFeature->SetField( 1, nGeomId );

    // Attributes
    poReader->ApplyAttributeValues( poFeature, papoGroup,
                                    "FC", 2, "PN", 3, "OD", 4, "PO", 5, 
                                    "JN", 6, "RT", 7, "SN", 7, "SI", 8, 
                                    "PN", 9, "PI", 10, "NM", 11, "DA", 12, 
                                    "WA", 13, "HT", 14,
                                    NULL );

    return poFeature;
}

/************************************************************************/
/*                       TranslateMeridian2Line()                       */
/************************************************************************/

static OGRFeature *TranslateMeridian2Line( NTFFileReader *poReader,
                                           OGRNTFLayer *poLayer,
                                           NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) < 2
        || papoGroup[0]->GetType() != NRT_LINEREC
        || papoGroup[1]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // LINE_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // Geometry
    int         nGeomId;
    
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1],
                                                             &nGeomId));

    // GEOM_ID
    poFeature->SetField( 2, nGeomId );

    // Attributes
    poReader->ApplyAttributeValues( poFeature, papoGroup,
                                    "FC", 1, "OD", 3, "PO", 4, "RN", 5, 
                                    "TR", 6, "PN", 7, "RI", 8, "LC", 9,
                                    "RC", 10, "LD", 11, "RD", 12, "WI", 14,
                                    NULL );


    return poFeature;
}

/************************************************************************/
/*                       TranslateStrategiNode()                        */
/*                                                                      */
/*      Also used for Meridian, Oscar and BaseData.GB nodes.            */
/************************************************************************/

static OGRFeature *TranslateStrategiNode( NTFFileReader *poReader,
                                          OGRNTFLayer *poLayer,
                                          NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) != 1 
        || papoGroup[0]->GetType() != NRT_NODEREC )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // NODE_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // GEOM_ID_OF_POINT
    poFeature->SetField( 1, atoi(papoGroup[0]->GetField( 9, 14 )) );

    // NUM_LINKS
    int         nNumLinks = atoi(papoGroup[0]->GetField( 15, 18 ));
    
    if( nNumLinks > MAX_LINK )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
                  "MAX_LINK exceeded in ntf_estlayers.cpp." );

        return poFeature;
    }
    
    poFeature->SetField( 2, nNumLinks );

    // DIR
    int         i, anList[MAX_LINK];

    for( i = 0; i < nNumLinks; i++ )
        anList[i] = atoi(papoGroup[0]->GetField( 19+i*12, 19+i*12 ));

    poFeature->SetField( 3, nNumLinks, anList );

    // GEOM_ID_OF_POINT
    for( i = 0; i < nNumLinks; i++ )
        anList[i] = atoi(papoGroup[0]->GetField( 19+i*12+1, 19+i*12+6 ));

    poFeature->SetField( 4, nNumLinks, anList );

    // LEVEL
    for( i = 0; i < nNumLinks; i++ )
        anList[i] = atoi(papoGroup[0]->GetField( 19+i*12+11, 19+i*12+11 ));

    poFeature->SetField( 5, nNumLinks, anList );
    
    // ORIENT (optional)
    if( EQUAL(poFeature->GetDefnRef()->GetFieldDefn(6)->GetNameRef(),
              "ORIENT") )
    {
        double  adfList[MAX_LINK];

        for( i = 0; i < nNumLinks; i++ )
            adfList[i] =
                atoi(papoGroup[0]->GetField( 19+i*12+7, 19+i*12+10 )) * 0.1;

        poFeature->SetField( 6, nNumLinks, adfList );
    }

    return poFeature;
}

/************************************************************************/
/*                       TranslateStrategiText()                        */
/*                                                                      */
/*      Also used for Meridian, BaseData and Generic text.              */
/************************************************************************/

static OGRFeature *TranslateStrategiText( NTFFileReader *poReader,
                                          OGRNTFLayer *poLayer,
                                          NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) < 4
        || papoGroup[0]->GetType() != NRT_TEXTREC
        || papoGroup[1]->GetType() != NRT_TEXTPOS 
        || papoGroup[2]->GetType() != NRT_TEXTREP 
        || papoGroup[3]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // POINT_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // FONT
    poFeature->SetField( 2, atoi(papoGroup[2]->GetField( 9, 12 )) );

    // TEXT_HT
    poFeature->SetField( 3, atoi(papoGroup[2]->GetField( 13, 15 )) * 0.1 );

    // DIG_POSTN
    poFeature->SetField( 4, atoi(papoGroup[2]->GetField( 16, 16 )) );

    // ORIENT
    poFeature->SetField( 5, atoi(papoGroup[2]->GetField( 17, 20 )) * 0.1 );

    // TEXT_HT_GROUND
    poFeature->SetField( 7, poFeature->GetFieldAsDouble(3)
                         * poReader->GetPaperToGround() );

    // Geometry
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[3]));

    // Attributes
    poReader->ApplyAttributeValues( poFeature, papoGroup,
                                    "FC", 1, "TX", 6,
                                    NULL );

    return poFeature;
}

/************************************************************************/
/*                      TranslateStrategiPoint()                        */
/************************************************************************/

static OGRFeature *TranslateStrategiPoint( NTFFileReader *poReader,
                                           OGRNTFLayer *poLayer,
                                           NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) < 2
        || papoGroup[0]->GetType() != NRT_POINTREC
        || papoGroup[1]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // POINT_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // Geometry
    int         nGeomId;
    
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1],
                                                             &nGeomId));

    // GEOM_ID
    poFeature->SetField( 10, nGeomId );

    // Attributes
    poReader->ApplyAttributeValues( poFeature, papoGroup,
                                    "FC", 1, "PN", 2, "NU", 3, "RB", 4,
                                    "RU", 5, "AN", 6, "AO", 7, "CM", 8,
                                    "UN", 9, 
                                    NULL );

    return poFeature;
}

/************************************************************************/
/*                       TranslateStrategiLine()                        */
/************************************************************************/

static OGRFeature *TranslateStrategiLine( NTFFileReader *poReader,
                                          OGRNTFLayer *poLayer,
                                          NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) < 2
        || papoGroup[0]->GetType() != NRT_LINEREC
        || papoGroup[1]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // LINE_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // Geometry
    int         nGeomId;
    
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1],
                                                             &nGeomId));

    // GEOM_ID
    poFeature->SetField( 3, nGeomId );

    // Attributes
    poReader->ApplyAttributeValues( poFeature, papoGroup,
                                    "FC", 1,
                                    "PN", 2,
                                    NULL );

    return poFeature;
}

/************************************************************************/
/*                      TranslateLandrangerPoint()                      */
/************************************************************************/

static OGRFeature *TranslateLandrangerPoint( NTFFileReader *poReader,
                                             OGRNTFLayer *poLayer,
                                             NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) != 2
        || papoGroup[0]->GetType() != NRT_POINTREC
        || papoGroup[1]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // POINT_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // FEAT_CODE
    poFeature->SetField( 1, papoGroup[0]->GetField( 17, 20 ) );

    // HEIGHT
    poFeature->SetField( 2, atoi(papoGroup[0]->GetField( 11, 16 )) );
    
    // Geometry
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1]));

    return poFeature;
}

/************************************************************************/
/*                      TranslateLandrangerLine()                       */
/************************************************************************/

static OGRFeature *TranslateLandrangerLine( NTFFileReader *poReader,
                                            OGRNTFLayer *poLayer,
                                            NTFRecord **papoGroup )

{
    if( CSLCount((char **) papoGroup) != 2
        || papoGroup[0]->GetType() != NRT_LINEREC
        || papoGroup[1]->GetType() != NRT_GEOMETRY )
        return NULL;
        
    OGRFeature  *poFeature = new OGRFeature( poLayer->GetLayerDefn() );

    // LINE_ID
    poFeature->SetField( 0, atoi(papoGroup[0]->GetField( 3, 8 )) );

    // FEAT_CODE
    poFeature->SetField( 1, papoGroup[0]->GetField( 17, 20 ) );

    // HEIGHT
    poFeature->SetField( 2, atoi(papoGroup[0]->GetField( 11, 16 )) );

    // Geometry
    poFeature->SetGeometryDirectly(poReader->ProcessGeometry(papoGroup[1]));

    return poFeature;
}

/************************************************************************/
/*                       TranslateProfilePoint()                        */
/************************************************************************/

static OGRFeature *TranslateProfilePoint( NTFFileReader *poReader,
                                          OGRNTFLayer *poLayer,
                                          NTFRecord **papoGroup )