← Back to Tutorials How to Digitize a Scanned Graph (Scan Prep Guide) ⚡ Quick Answer To digitize a scanned graph well: scan at 300–600 DPI, straighten any tilt in a free image editor before importing, boost contrast (threshold to black-and-white if the auto-tracer struggles), and erase gridline segments that cross your curve. Ten minutes…
← Back to Tutorials How Does a Graph Digitizer Work? (Explained Simply) ⚡ Quick Answer A graph digitizer works in three steps: (1) import an image of the graph; (2) calibrate the axes — you click known axis positions and type their values, so the software learns the pixel-to-data mapping (linear or logarithmic); (3) trace…
← Back to Tutorials How to Read Values Off a Graph Accurately ⚡ Quick Answer To read values off a graph accurately: use the highest-resolution image available, calibrate the axes on labeled gridlines while zoomed in (misplaced axis points are the #1 error source), and use digitizing software instead of eyeballing for anything beyond one…
← Back to Tutorials Engauge Digitizer Troubleshooting: 5 Common Problems & Fixes ⚡ Quick Answer Most Engauge Digitizer problems have known fixes: missing points on export → switch the curve from Function to Relation; freezes on log-axis export → export linear and convert in your spreadsheet; shifted dates → digitize on a numeric axis and…
← Back to Tutorials How to Export Engauge Digitizer Data to Excel, CSV & Python ⚡ Quick Answer Go to File > Export to save your digitized points as CSV. The file opens directly in Excel or Google Sheets. If you are in Europe, check the decimal separator setting first. Multiple curves export as separate…
← Back to Tutorials Auto-Trace Curves in Engauge Digitizer: Segment Fill & Point Match ⚡ Quick Answer Filter by color first (the step most people skip), then pick your tool: Segment Fill for solid continuous lines, Point Match for dashed or thin lines. Click on the curve to seed the tool, let it trace, then…
← Back to Tutorials How to Digitize Logarithmic & Polar Plots in Engauge Digitizer ⚡ Quick Answer In the Axis Wizard, set each axis scale to Logarithmic instead of Linear — X and Y are independent, so semi-log and log-log plots both work. Place your three axis points exactly on labeled grid lines (e.g. 100,…
← Back to Tutorials How to Install Engauge Digitizer on Windows, Mac & Linux ⚡ Quick Answer On Windows, download the portable ZIP, extract it, and run engauge.exe — no installation needed. On macOS, install via MacPorts (sudo port install engauge-digitizer). On Linux, install from your distribution’s repository or compile the latest v12.9.1 source from…
