MantisBT - VTK

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Date Submitted

Last Update

0004422

VTK

(No Category)

public

2007-02-07 08:19

2016-08-12 09:54

Reporter

Lin BI

Assigned To

Will Schroeder

Priority

high

Severity

major

Reproducibility

always

Status

closed

Resolution

moved

Platform

OS Version

Product Version

Target Version

Fixed in Version

Project

Type

Summary

0004422: bug about vtkDelaunay2D (sourcecode)

Description

int vtkDelaunay2D::RecoverEdge(vtkIdType p1, vtkIdType p2)
{
    ....................................
    ....................................

  // We found initial triangle; begin to track triangles containing edge. Also,
  // the triangle defines the beginning of two "chains" which form a boundary of
  // enclosing triangles around the edge. Create the two chains (from p1 to p2).
  // (The chains are actually defining two polygons on either side of the edge.)
  //
  tris->InsertId(0, cellId);
  rightChain->InsertId(0, p1); rightChainX->InsertPoint(0, p1X);
  leftChain->InsertId(0, p1); leftChainX->InsertPoint(0, p1X);
  if ( signX1 > 0 )
    {
    rightChain->InsertId(1, v1); rightChainX->InsertPoint(1, x1);
    leftChain->InsertId(1, v2); leftChainX->InsertPoint(1, x2);
    }
  else
    {
    leftChain->InsertId(1, v1); leftChainX->InsertPoint(1, x1);
    rightChain->InsertId(1, v2); rightChainX->InsertPoint(1, x2);

    //===================================
    //where the bug :
    //Modify:Now have to exchange the v1 and v2
    int temp = 0;
    temp = v1; v1 = v2; v2 = temp;
    //===================================
    }

  // Walk along triangles (edge neighbors) towards point p2.
...........................................................
...........................................................
}

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