About Plot Digitizer
Plot Digitizer is an app to extract numerical data from plot images. It is often necessary to obtain original (x, y) data from graphs, e.g. from scanned scientific plots, when data values are not available. Plot Digitizer...
Plot Digitizer is an app to extract numerical data from plot images. It is often necessary to obtain original (x, y) data from graphs, e.g. from scanned scientific plots, when data values are not available. Plot Digitizer allows you to easily get the numbers in such cases. Digitizing is a nine-step process: 1. Open a picture or take a photo of the plot; 2. Crop the picture to isolate the plot; 3. Align the plot, if required; 4. Do some fine-tuning cropping, if required; 5. Set the X and Y axes anchor points using your finger or an Apple Pencil; 6. Adjust the Axes Titles and anchor points; 7. Digitize the data series using your finger or an Apple Pencil; 8. Label the data series; 9. View, export the digitized data or view fitted equations. At the end of the process, you can copy the data to the clipboard, share it with another app, view a digital plot or fitted equations from the digitized data. Disclaimer: The plot image shown in the screnshots is taken from: A. Danesh, D.-H. Xu, D.H. Tehrani, A.C. Todd. Improving predictions of equation of state by modifying its parameters for super critical components of hydrocarbon reservoir fluids. Fluid Phase Equilibria 112 (1995) 45-61.
Version History bug fixes 1.4.1 06/26/2022 - Better visualization of fitted curves - Bug fixes 1.4.0 11/13/2021 Fixed processing of log graphs 1.3.0 11/04/2020 - Added High Precision Mode to axis anchor selection panel - Added a calculation feature to fitted chart curves - Minor adjustments and bug fixes 1.2.0 02/05/2020 - Added High Precision touch mode - Fixed logarithmic data extraction 1.1.0 02/04/2020 - Added Equation Fitting feature to digitized data series - Bug fixes 1.0.4 02/03/2020 - Fixed parsing of logarithmic axes - Minor bug fixes 1.0.3 01/31/2020 1.0.2 01/31/2020
Previous Versions
Here you can find the changelog of Plot Digitizer since it was posted on our website on 2024-11-20 16:17:10.
The latest version is 1.4.1 and it was updated on 2026-10-16 14:59:08. See below the changes in each version.
Plot Digitizer version 1.4.1
Updated At: 2026-10-13
Changes: Version History bug fixes 1.4.1 06/26/2022 - Better visualization of fitted curves
- Bug fixes 1.4.0 11/13/2021 Fixed processing of log graphs 1.3.0 11/04/2020 - Added High Precision Mode to axis anchor selection panel
- Added a calculation feature to fitted chart curves
- Minor adjustments and bug fixes 1.2.0 02/05/2020 - Added High Precision touch mode
- Fixed logarithmic data extraction 1.1.0 02/04/2020 - Added Equation Fitting feature to digitized data series
- Bug fixes 1.0.4 02/03/2020 - Fixed parsing of logarithmic axes
- Minor bug fixes 1.0.3 01/31/2020 1.0.2 01/31/2020
Plot Digitizer version 1.4.1
Updated At: 2022-06-26
Changes: bug fixes
Plot Digitizer version 1.4.1
Updated At: 2022-06-26
Changes: Jun 26, 2022
Version 1.4.1
bug fixes
Disclaimer
Official App Store Link
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