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Technical Articles

Application Notes for specific cases and general hardware set-up

  • Log4j and our products

    Many people are concerned about the recently announced Log4j vulnerability.  None of Correlated Solutions' software uses this library and the vulnerability does not affect any of our acquisition or an...

  • Running Python Scripts from anywhere under Windows

    To make Python scripts runnable from any location under Windows: To call python scripts directly from the anaconda console command prompt, e.g., to invoke the script “foo.py” by typing:  > foo.py  ins...

  • Strain Tensors and Criteria in Vic

    When comparing strain values obtained from DIC to analytical results or to strain results obtained from other measurement methods, it's important to select the strain tensor which matches your expecte...

  • Projection Error: Explanation and Causes

    Introduction When running a correlation in Vic-3D, one of the values given for each image is the Projection error. This article will explain how the projection error is calculated and what can cause a...

  • Output Variables in Vic-2D and Vic-3D

    During correlation and optional post-processing, Vic presents a wide range of output data available for 3D and contour plotting, extraction, and export. This application note gives an overview of comm...

  • Subset, Step Size and Strain Filter Selection

    Summary and Overview Here we will discuss subset size, step size and strain filter selection.  In short, you want your subset to be larger than your speckle sizes and for most applications your step s...

  • Installing VicPy

    The VicPy Python module for manipulating Vic-3D data is now available. For consistency and ease of installation, we are using the Anaconda® platform.  To install VicPy: Download Anaconda from this lin...

  • Speckle Pattern Fundamentals

    In digital image correlation, the quality of the data is often dependent on the quality of the speckle pattern.  Using an optimal speckle pattern is one of the most important factors in reducing measu...

  • Vic-Suite Licensing

    Most Vic Turn-key systems come with two types of keys: 1. The acquisition license, which is located inside the PC and enables Vic-Snap (possibly Vic-Gauge, if purchased), Vic-2D, and Vic-3D (if purcha...

  • Troubleshooting Calibration Problems

    Calibration in Vic-3D is well automated but certain situations can lead to problems with either high calibration scores, or a failure to calibrate at all. This article lists some common causes for eac...