hetriang.cpp File Reference

#include <ttl/halfedge/hetriang.h>
#include <ttl/halfedge/hetraits.h>
#include <ttl/ttl.h>
#include <algorithm>
#include <fstream>
#include <limits>
#include <memory>

Go to the source code of this file.

Functions
static EDGE_PTR	getLeadingEdgeInTriangle (const EDGE_PTR &aEdge)
static void	getLimits (NODES_CONTAINER::iterator aFirst, NODES_CONTAINER::iterator aLast, int &aXmin, int &aYmin, int &aXmax, int &aYmax)

Function Documentation

getLeadingEdgeInTriangle()

static EDGE_PTR getLeadingEdgeInTriangle ( const EDGE_PTR &  aEdge )

static

Definition at line 69 of file hetriang.cpp.

{
    EDGE_PTR edge = aEdge;

    // Code: 3EF (assumes triangle)
    if( !edge->IsLeadingEdge() )
    {
        edge = edge->GetNextEdgeInFace();

        if( !edge->IsLeadingEdge() )
            edge = edge->GetNextEdgeInFace();
    }

    if( !edge->IsLeadingEdge() )
    {
        return EDGE_PTR();
    }

    return edge;
}

Referenced by hed::TRIANGULATION::RemoveTriangle(), and hed::TRIANGULATION::ReverseSplitTriangle().

getLimits()

static void getLimits ( NODES_CONTAINER::iterator  aFirst, NODES_CONTAINER::iterator  aLast, int &  aXmin, int &  aYmin, int &  aXmax, int &  aYmax  )

static

Definition at line 91 of file hetriang.cpp.

{
    aXmin = aYmin = std::numeric_limits<int>::min();
    aXmax = aYmax = std::numeric_limits<int>::max();

    NODES_CONTAINER::iterator it;

    for( it = aFirst; it != aLast; ++it )
    {
        aXmin = std::min( aXmin, ( *it )->GetX() );
        aYmin = std::min( aYmin, ( *it )->GetY() );
        aXmax = std::max( aXmax, ( *it )->GetX() );
        aYmax = std::max( aYmax, ( *it )->GetY() );
    }
}

References max, and min.

Referenced by hed::TRIANGULATION::InitTwoEnclosingTriangles().