WEM Overview

Introduction

The acronym WEM stands for Winged Edge Mesh.

The WEM library provides data structures and modules for the generation, processing, and rendering of surface representations. By writing WEM modules for MeVisLab, developers can focus on specific tasks, such as smoothing a surface, reducing the faces of a surface mesh, or rendering data in a specialized manner. Several WEM-related modules can be connected to form mesh-processing pipelines, helping to solve problems that arise in the processing and visualization of medical data.

The library provides a foundation for handling common tasks. It allows for generating an isosurface at a certain threshold from images, reducing the resulting surface’s number of primitives, or smoothing it using various algorithms. For rendering, the surface can be colored to reflect specific additional information or according to a flexible coloring scheme derived from the image data itself. All generated and modified surfaces can be saved and loaded in a variety of file formats that are compliant with standard 3D applications.

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