tmgisdatavectorshp.h

/***************************************************************************
 tmgisdatavectorshp.h
 class for dealing with vector SHP data
 -------------------
 copyright : (C) 2007 CREALP Lucien Schreiber
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
// comment doxygen
 
#ifndef _TM_GISDATAVECTOR_SHP_H_
#define _TM_GISDATAVECTOR_SHP_H_
 
// For compilers that support precompilation, includes "wx/wx.h".
#include <wx/wxprec.h>
 
// Include wxWidgets' headers
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
#include "gdal_alg.h"
#include "gdal_priv.h"
#include "ogr_api.h"
#include "ogrsf_frmts.h"
#include "tmgisdatavector.h"
 
class tmGISDataVectorSHP : public tmGISDataVector {
  protected:
    GDALDataset* m_Datasource;
    OGRLayer* m_Layer;
    GDALDataset* m_RasterizeDataset;
    OGRFeature* m_Feature;
    int m_polyTotalRings;
    int m_MultiFeaturesIterator;
    int m_MultiFeaturesOid;
 
  public:
    tmGISDataVectorSHP();
 
    ~tmGISDataVectorSHP();
 
    // implementing vi±rtual function
    virtual bool Open(const wxString& filename, bool bReadWrite = FALSE);
 
    virtual bool Close();
 
    virtual tmRealRect GetMinimalBoundingRectangle();
 
    virtual TM_GIS_SPATIAL_TYPES GetSpatialType();
 
    // virtual function for getting data & drawing
    virtual bool SetSpatialFilter(tmRealRect filter, int type);
 
    virtual bool SetAttributeFilter(const wxString& query);
 
    virtual wxRealPoint* GetNextDataLine(int& nbvertex, long& oid, bool& isOver);
 
    virtual wxRealPoint* GetNextDataPoint(long& oid, bool& isOver);
 
    virtual int GetNextDataPolygonInfo(long& oid);
 
    virtual wxRealPoint* GetNextDataPolygon(int currentring, int& nbvertex);
 
    virtual OGRPolygon* GetNextDataOGRPolygon(long& oid);
 
    virtual OGRFeature* GetNextFeature();
 
    virtual bool ResetReading();
 
    virtual OGRFeature* GetFeatureByOID(long oid);
 
    bool SelectFeatureByOID(long oid);
 
    virtual OGRGeometry* GetNextGeometry(bool restart, long& oid);
 
    OGRLayer* GetLayerRef() {
        return m_Layer;
    }
 
    // virtual function for metadata
    virtual wxString GetMetaDataAsHtml();
 
    virtual wxString GetDataSizeAsHtml(int iPrecision = 2);
 
    // count
    virtual int GetCount();
 
    // fields functions
    virtual int GetFieldsCount();
 
    virtual bool GetFieldsName(wxArrayString& Fields, long oid = wxNOT_FOUND);
 
    virtual bool GetFieldsValue(wxArrayString& values, long oid);
 
    bool GetDistinctFieldsValue(const wxString& fieldname, wxArrayString& values);
 
    // searching data
    virtual wxArrayLong* SearchData(const tmRealRect& rect, int type);
 
    virtual wxArrayLong* GetAllData();
 
    virtual bool GetSnapCoord(const wxRealPoint& clickpt, double buffersize, wxArrayRealPoints& snapppts, int snaptype);
 
    // creating file & fields
    virtual bool CreateFile(const wxFileName& filename, int type);
 
    virtual bool AddFieldText(const wxString& fieldname, int size);
 
    virtual bool AddFieldNumeric(const wxString& fieldname, bool isfloat = false);
 
    virtual bool AddFieldDate(const wxString& fieldname);
 
    virtual long AddGeometry(OGRGeometry* Geom, const long& oid, int layertype = wxNOT_FOUND);
 
    virtual bool SetNextFeature(bool resetreading = false);
 
    virtual bool SetFieldValue(const wxString& value, int fieldtype, int iindex);
 
    virtual long GetActualOID();
 
    virtual void SetActualOID(long oid);
 
    virtual bool UpdateFeature();
 
    virtual void CloseGeometry();
 
    virtual bool GetFieldNumeric(const wxString& fieldname, int& fieldvalue);
 
    virtual bool SetFieldNumeric(const wxString& fieldname, int fieldvalue);
 
    // bool CreateSpatialIndex(int indexdepth = wxNOT_FOUND);
    bool ExecuteSQLQuery(const wxString& query);
 
    long GetFeatureIDIntersectedBy(OGRGeometry* geometry);
 
    long GetFeatureIDIntersectedOnRaster(OGRPoint* geometry);
 
    bool Rasterize(double rasterizefactor);
 
    void RemoveRasterizeFile();
 
    virtual bool DeleteFile(const wxString& layername);
 
    virtual bool CreateSpatialIndex(GDALProgressFunc progress, void* pfProgressData);
 
    virtual bool CopyToFile(const wxFileName& filename, const wxString& drivername, bool overwrite);
};
 
class tmGISDataVectorSHPMemory : public tmGISDataVectorSHP {
  private:
  public:
    tmGISDataVectorSHPMemory();
 
    ~tmGISDataVectorSHPMemory();
 
    virtual bool CreateFile(const wxFileName& filename, int type);
};
 
#endif