rvc/opviewshed.h

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#ifndef  INC_RVC_OPVIEWSHED_H
#define  INC_RVC_OPVIEWSHED_H

#ifndef  INC_MI32_POINT_H
#include <mi32/point.h>
#endif

#ifndef  INC_MI32_DOUBLEAR_H
#include <mi32/doublear.h>
#endif

#ifndef  INC_MEMORY_H
#define  INC_MEMORY_H
#include <memory.h>
#endif


#ifndef GENERATING_DOXYGEN_OUTPUT
namespace RVC {
   class OBJITEM;
   }
#endif


namespace RVC {
namespace OP {

class VIEWSHED {
   public:
      enum FLAGS {
         FLAG_None = 0x0000,
         FLAG_EarthCurvature = 0x0001,
         FLAG_InvertTransparency = 0x0002
         };

      struct VIEWPOINTINFO {
         DPOINT3D m_Point;
         double m_Height;           
         double m_Distance;         
         DRANGE m_HrzAngle;         
         DRANGE m_VrtAngle;         
         VIEWPOINTINFO (
            ) { memset(this, 0, sizeof(*this)); }
         };

      VIEWSHED () { }

      static ERRVALUE Compute (
         const RVC::OBJITEM& SrcItem,           
         RVC::OBJITEM& DestItem,                
         DOUBLE_ARRAY<RVC::OP::VIEWSHED::VIEWPOINTINFO>& ViewpointInfo,  
         double zscale,                         
         UINT8 enviewpts,                       
         FLAGS flags = FLAG_None                
         );

      static ERRVALUE Compute (
         const RVC::OBJITEM& SrcItem,     
         RVC::OBJITEM& DestItem,          
         const LPOINT2D *viewpts,         
         double height,                   
         double zscale,                   
         UINT8 numviewpts,                
         UINT8 enviewpts,                 
         double maxdistance,              
         DRANGE hrzAngle,                 
         DRANGE vrtAngle,                 
         FLAGS flags = FLAG_None          
         );
   };

#ifndef GENERATING_DOXYGEN_OUTPUT
DEFINE_ENUM_OP_BITWISE(OP::VIEWSHED::FLAGS)
#endif

}  // end namespace OP
}  // end namespace RVC

#endif  // INC_RVC_OPVIEWSHED_H

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