DtWktHeaderParser.h

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/******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvTerrain/vrvTerrain.h>
#include <vrvCore/DtHeaderParser.h>

class OGRSpatialReference;

namespace makVrv
{
   class DT_DLL_VRVTERRAIN DtWktHeaderParser : public DtHeaderParser
   {

   public:

      DtWktHeaderParser(const std::string& filePath);

      virtual ~DtWktHeaderParser();

      virtual bool isValid();

   protected:

      virtual bool getWktString(std::string& wktString);

      virtual bool checkLz4Medf(std::fstream& f, std::string& decompressedString);

      virtual bool decompressLz4(std::istream& fin, std::string& target);

      virtual bool findWktString(std::istream &f, std::string &wktString);

      virtual bool getOrigin(const std::string& originLabel, double& val);

      virtual bool findOrigin(std::istream& decompressedStream, const std::string& originLabel, double& val);

      virtual bool parseWktString(
         const std::string& wktString, double xOrigin, double yOrigin);

      virtual bool parseGeocentric(
         const OGRSpatialReference& spatialRef, double xOrigin, double yOrigin);

      virtual bool parseLambert(
         const OGRSpatialReference& spatialRef, double xOrigin, double yOrigin);

      virtual bool parseUtm(
         const OGRSpatialReference& spatialRef, double xOrigin, double yOrigin);

      virtual bool parseFlat(
         const OGRSpatialReference& spatialRef, double xOrigin, double yOrigin);

      virtual bool convertCoordinates(
         const OGRSpatialReference& spatialRef,
         double x, double y, double& convX, double& convY, bool inDegrees);

      virtual bool usingDegrees(const OGRSpatialReference& spatialRef);


   };

   class DT_DLL_VRVTERRAIN DtWktHeaderParserCreator : public DtHeaderParserCreator
   {
   public:     

      DtWktHeaderParserCreator();

      virtual ~DtWktHeaderParserCreator();

      virtual DtHeaderParser* create(DtDe& de, const std::string& filePath) const;

   };
}