* at the section with index theSectionIndex. -1 is returned if error is occurred.
*/
HYDRODATA_EXPORT double GetDistance( const int theSectionIndex,
const int thePointIndex ) const;
* at the section with index theSectionIndex. -1 is returned if error is occurred.
*/
HYDRODATA_EXPORT double GetDistance( const int theSectionIndex,
const int thePointIndex ) const;