automeris-io / WebPlotDigitizer

Computer vision assisted tool to extract numerical data from plot images.
https://automeris.io
GNU Affero General Public License v3.0
2.58k stars 354 forks source link

Allow adjustment by fractional pixels #299

Open jason-s opened 1 year ago

jason-s commented 1 year ago

Sometimes when I put a marker on a point in my graph, and adjust it by one pixel at a time, it is slightly too low or too high and I would like it to be between positions.

From user manual:

After the measurement is made, you can adjust the highlighted (green) point using the cursor keys on the keyboard (use Shift for faster movement).

Could you also add a more fine-grained adjustment (1/2 pixel?) by making some change in a global setting, or using another modifier key (e.g. Ctrl-cursor moves by 1/2 pixel) ?