WEM Overview

Introduction

The acronym WEM stands for Winged Edge Mesh.

The WEM library provides data structures and modules for the generation, the processing and the rendering of surface representations. By writing WEM modules for MeVisLab, developers can focus on certain tasks like the smoothing of a surface, the reduction of faces of a surface mesh, or the special rendering of data. Several WEM-related modules can be connected in order to form mesh-processing pipelines. This helps solving certain problems arising in the processing and the visualization of medical data.

The library provides a basis for dealing with common tasks. It allows to generate an isosurface at a certain threshold out of images, to reduce the resulting surface in its amount of primitives, or to smooth it using different algorithms. For rendering, the surface can be colored in order to reflect certain additional information or according to a flexible coloring scheme out of the image data itself. All the generated and modified surfaces can be saved and loaded with a variety of different file formats that are compliant with standard 3D applications.

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