L_VecPhysicalToLogical

#include "ltvkrn.h"

L_LVKRN_API L_INT L_VecPhysicalToLogical(pVector, pDst, pSrc)

Converts a Windows 2D POINT into a 3D VECTORPOINT.

Parameters

const pVECTORHANDLE pVector

Pointer to a vector handle.

pVECTORPOINT pDst

Pointer to a VECTORPOINT structure to be updated with the logical 3 dimensional point converted from the 2 dimensional point in pSrc.

const L_POINT * pSrc

Pointer to a POINT structure that contains a 2 dimensional point to be converted into a 3 dimensional point.

Returns

Comments

Converts a given 2D physical point into a logical (with X, Y, Z coordinates), 3D point.

The Z value of the destination 3D point will not be changed.

Conversion will be based on the current view port and camera values set in the VECTORHANDLE.

Required DLLs and Libraries

• LTVKRN
• For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

L_LTVKRNTEX_API L_INT VecPhysicalToLogicalExample( 
   pVECTORHANDLE pVector, 
   POINT* ppt) 
{ 
   L_INT nRet; 
   VECTORPOINT Point; 
   L_TCHAR szBuffer[ 80 ]; 
 
   Point.z = 0.0; 
   nRet = L_VecPhysicalToLogical( pVector, &Point, ppt ); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   _stprintf_s( szBuffer,80,TEXT("%f, %f, %f"), Point.x, Point.y, Point.z ); 
   MessageBox( NULL, szBuffer, TEXT("Point"), MB_OK ); 
 
   return SUCCESS; 
}