Load Image File
Choose Plot Type
X and Y Axes Calibration
Enter X-values of the two points clicked on X-axis and Y-values of the two points clicked on Y-axes
|Point 1||Point 2||Log Scale|
*For dates, use yyyy/mm/dd format (e.g. 2013/10/23 or 2013/10). For exponents, enter values as 1e-3 for 10^-3.
Select Range of Variables
Range of Variables
0 to 1
0 to 100
Sort by: Order:
Date Formattng: X Y
Variables: x, y
Copy and Paste to a file with .CSV extension or graph in Plotly*
*Plotly is a secure data analysis and graphing site with data sharing and access controls.
Visit http://plot.ly for details.
Align X-Y Axes
Click four known points on the axes in the order shown in red. Two on the X axis (X1, X2) and two on the Y axis (Y1, Y2).
Align Map To Scale Bar
Click on the two ends of the scale bar on the map.
Align Polar Axes
Click on the center, followed by two known points.
Align Ternary Axes
Click on the three corners in the order shown above.
Specify Plot (Foreground) Color
R: G: B:
Specify Background Color
R: G: B:
Please align the axes before acquiring data.
X Step With Actual Units.
This algorithm is applicable to XY plots only. Other plots may be supported in future versions.
One of the values entered were invalid. Please check the values entered for axes calibration.
WebPlotDigitizer v2.6 - Web Based Plot Digitizer
Instructions and Video Tutorials
This program is distributed under the GNU General Public License Version 3.
Copyright 2010-2013 Ankit Rohatgi <email@example.com>
Detection Mode: Foreground Background