Search for Python

For effective software development, the edit-compile-test cycle should run quickly.  In order to get a better understanding of ITK‘s test times, we created a Python script that visualizes CTest test times with VTK‘s TreeMapView. ITK test times. Tests that run longer have a proportionally larger area.  With the visualization, it is clear that there are some tests […]

I’m excited to announce the release of VeloView 1.0!  VeloView is an open-source application designed for visualization and analysis of point cloud data generated by the Velodyne HDL lidar sensor.  VeloView is the result of a collaborative effort between Velodyne Lidar and Kitware, Inc. About the Velodyne HDL Sensor The HDL sensor is famous for […]

The Python Programmable Filter is a powerful tool for data analysis in ParaView, as it enables you to implement ParaView readers and filters using Python. Developing filters with Python has several advantages– it's fast to prototype and easy to share, since there's no compiled code. You can use the convenient features of the standard Python […]

ParaView 4.0.1 was released in mid-June, marking the first major change in version number since 2007. This release also marks a milestone in the gradual progression of the user interface and framework, and addresses more than 130 issues since the release of ParaView 3. ParaView 4.0.1 is based on VTK 6.0, and includes all related […]

In late June, the VTK community released VTK 6.0, the first major release since 5.0 in December 2005! This release includes significant refactoring of VTK’s pipeline and build system. Pipeline changes have cleanly separated the Algorithm, DataObject, and Executive classes. Build system changes automate and simplify intra-library build time dependency analysis. Together these changes facilitate […]

VTK 5.10.0 was tagged on May 12, 2012, with a bug fix release made on October 15. For many months, we worked on the modularization of VTK using a set of tools to automate the file moves and maintain a testing tree that was parallel to the current master. A lot of that work was […]

Motivation Observations unequivocally show that the global climate is changing, caused over the past 50 years primarily by human-induced emissions of heat-trapping gases. The dramatic effects of climate change include increases in water temperature, reduced frost days, a rise in sea level, and reduced snow cover. As the pace of climate change is expected to […]

We have written about the Open Chemistry project in a previous Source article [1], and MoleQueue [2] in a more recent article. Now we will focus on Avogadro 2, and the Avogadro libraries being developed to support the Open Chemistry [3] project. The project recently made its first release [4], tagging version 0.5.0 of all […]

Bender Moves the Visible Man Bender, Kitware’s new open-source toolkit for repositioning voxelized anatomical models, was introduced in late April. Bender is used to reposition 3D labelmap models for use in computing voxel-level Specific Absorption Rates (SAR), the rates at which energy is absorbed by the body when it is exposed to radiofrequency electromagnetic fields […]

The scientific computing in Python community has been rapidly blossoming over the years thanks to its ability to quickly analyze data in an interactive way, and for its ability to act a glue language that integrates code and data from a variety of environments. The SciPy conference started off as a gathering for developers of scientific packages […]

Using the current leading edge supercomputers, it’s not uncommon to generate terabytes of data or more from a single simulation run. For time dependent simulations this can result in several gigabytes of data per time step along with thousands or more time steps that are saved out. Of course this is usually just raw data […]

The C++11 standard has plenty of new goodies that make programmer’s life easier without sacrificing rigor. Here is a neat example from the book “The C++ Programming Language” by Bjarne Stroustrup, that in its 4th edition covers the C++11 standard. Found in Page 107,  Section 4.5.3 Stream Iterators. Let’s consider the tasks of: Reading a […]

Ever wondered why opening the Python shell in ParaView for the very first time, or doing "from paraview.simple import *" in pvpython shell makes your disk spin? It's because of the loading of shared libraries and *.py files related to both, ParaView modules as well as Python itself (including optional dependencies such as numpy and […]

Kitware and the VTK team are happy to announce that VTK 6.0.0 is available for download at:  http://www.vtk.org/VTK/resources/software.html 6.0 is the first major release since 5.0 in December 2005. The great extent of refactoring that went into VTK’s pipeline and build system is what makes this a major release. The pipeline changes cleanly separate the […]

ParaView 4.0.1 is now available for download. This release marks the first change in the major version number since 2007. Unlike the change from 2 to 3, however, this release is not a major departure from the 3 series, but marks a milestone in the gradual progression of ParaView UI and framework since 2007. These […]

The VTK 6.0 release candidate stream continues! You can find thesource here: http://vtk.org/VTK/resources/software.html#cand Thank you everyone who tried release candidate 2. In rc2 the community found several bugs related to building and packaging VTK with CMake option selections than were not well tested on the VTK dashboard. There were also issues exposed in ParaView 4.0’s […]

The second stop of our ITK Spring workshop series is University of North Carolina at Chapel Hill. Cory Quammen from the Computer Science Department of UNC was our local host. We have about 45~50 attendees in total, who are mostly researchers and graduate students from the Biomedical Research Imaging Center, the Biostatistics Department and the […]

The three of us, Matt McCormick, Luis Ibanez and Xiaoxiao Liu, visited the Montreal Neurology Institue (MNI) of  McGill University in Montreal on May 21st and successfully held the ITK workshop and hackathon event with our local host Dr. Louis Collins and his lab from MNI. We had an extraordinary turnout of 70 people attending […]