VTK

The Visualization ToolKit (VTK) is an open source, freely available software system for 3D computer graphics, image processing, and visualization used by thousands of researchers and developers around the world. VTK consists of a C++ class library, and several interpreted interface layers including Tcl/Tk, Java, and Python. Professional support and products for VTK are provided by Kitware, Inc. (www.kitware.com) VTK supports a wide variety of visualization algorithms including scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques such as implicit modelling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation. In addition, dozens of imaging algorithms have been directly integrated to allow the user to mix 2D imaging / 3D graphics algorithms and data.

These are fully independent, compilable examples. There is significant overlap in the square examples, but they are each intended to illustrate a different concept.

Example Usage (C++)

Working with PolyData

• Which Libraries Do I Link To?
• Which Header Files Do I Include?
• Useful Classes
• Write a VTP file
• Read a VTP file
• Write a file of the four corners of a square
• Write a file of a triangulated square
• Write a file of the four corners of square, each with a different color
• Write a file of a triangulated square, each corner with a different color
• Write a file of a triangulated square, each triangle with a different color
• Write a sphere to a VTP file
• Write a plane to a VTP file
• Write two cubes to a VTP file
• Add Normals to a Polydata
• Point and Cell Normals
• Add Miscellaneous Data to Points in a Polydata
• Add Miscellaneous Data to Cells in a Polydata
• Add Global Miscellaneous Data to a Polydata
• Extract Normals from a Polydata

Other File Types

• Write a VTU file
• Read a VTU file
• Read an OBJ File
• Convert a series of DICOM files into a VTI File

Data Structures

• KDTree
• Octree

Filters

• Apply a Transformation to Points
• Landmark Transform
• Iterative Closest Points (ICP) Transform
• Triangulate a Terrain Map

Administrative Topics

• Where can I find more information about VTK?

• VTK 5.4 Release Planning

• Where can I download VTK?

• Where can I download a tarball of the nightly HTML documentation?

• Where can I get VTK Datasets?

• Extending VTK

• VTK Coding Standards

• VTK cvs commit Guidelines

• VTK Patch Procedure -- merge requests for the current release branch

• Extending VTK with Scripts

• VTK-Based Tools and Applications

• What are some projects using VTK?

• Proposed Changes to VTK

• Frequently asked questions (FAQ)

• Common OpenGL troubles

• VTK Related Job Opportunities

• Writing VTK files using python

• Geometric mesh quality

• VTK XML Format Details

• VTK 3rd Party Library Patrol

• Python Wrapping FAQ

Current Projects

• VTK Graph Layout
• VTK Java Wrapping
• Composite Data Redesign
• VTK Widget Redesign
• Shaders in VTK
• VTK with Matlab
• VTK Time support
• VTK Depth Peeling
• VTK Multi-Pass Rendering
• Using VTK with JRuby
• Painters
• Cray XT3 Compilation
• Statistics
• Array Refactoring
• Multicore and Streaming

External Links

• IMTEK Mathematica Supplement (IMS), the Open Source IMTEK Mathematica Supplement (IMS) interfaces VTK and generates ParaView batch scripts
• [1], VTK examples in C# (Visual Studio 5.0 and .NET 2.0)

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