Smoother Tools

Overview

The OpenMesh library provides tools for smoothing Triangle- and Polymeshes

1. Smoother:
   1. OpenMesh::Smoother::SmootherT
   2. OpenMesh::Smoother::LaplaceSmootherT
   3. OpenMesh::Smoother::JacobiLaplaceSmootherT

Usage

The smoothers directly work on an OpenMesh. The following example shows how to use them:

#include <OpenMesh/Tools/Smoother/JacobiLaplaceSmootherT.hh>

// Initialize smoother with input mesh
OpenMesh::Smoother::JacobiLaplaceSmootherT<MyMesh> smoother(mesh);

smoother.initialize( Tangential_and_Normal,   //Smooth direction
                     C0)                      //Continuity
  
// Execute 3 smooth steps
smoother.smooth(3);

Options

Continuity

• C0: shape is continuous, but not the tangent
• C1: shape and tangent are continuous
• C2: preserves curvature

Component

• Tangential: Smooth in tangential direction
• Normal: Smooth in normal direction
• Tangential_and_Normal: Smooth in tangential and normal direction

Local Error

By default, this option is disabled. You can set local max. local errors (absolute or relative) via following functions:

void OpenMesh::Smoother::SmootherT<Mesh>::set_relative_local_error(Scalar _err);
void OpenMesh::Smoother::SmootherT<Mesh>::set_absolute_local_error(Scalar _err);
void OpenMesh::Smoother::SmootherT<Mesh>::disable_local_error_check();