- better smoothing algorithm (smoothn.m) if supported (otherwise gaussian kernel is used)
- removed several known bugs/ pitfalls
- added a feature to extract tangential velocity along a series of circles with increasing radius (useful to calculate vortex circulation)
- added a feature to extract circulation via integrating the vorticity over area for a series of an increasing area
- added a feature to calculate the weighted centroid of derived parameters
- improvements in the particle image generation algorithm
- added several flow simulations (including Hamel-Oseen vortices and vortex pairs)
- vector width is user selectable
developed by Dipl. Biol. William Thielicke and Prof. Dr. Eize J. Stamhuis
programmed with MATLAB 7.1.0.246 (R14) Service Pack 3 (August 02, 2005)
first released: March 09, 2010
Published under the BSD license,
contact: PIVlab @ g m x . c o m
Main Features:
| * completely GUI based PIV tool * multi-pass, multi-grid window deformation technique * import bmp/ tiff/ jpeg image pairs/ series * multiple image sequencing styles * individual image masking and region of interest |
* image pre-processing * two different sub-pixel estimators * multiple vector validation methods * magnitude/ vorticity/ divergence/ shear / ... * data smoothing, vector field highpass * multiple colormaps |
* streamlines * extensive data extraction tools * statistics * synthetic PIV image generator * Many data export features * main features accessible via comand line scripting |
Thursday, November 18, 2010
PIVlab 1.1 released
PIVlab v 1.1, added features / improvements:
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