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engauge-digitizer - Convert graphs or map files into numbers
- Description:
Engauge 7 is rewritten with Qt5.
This digitizing software converts an image file
showing a graph or map, into numbers.
The image file can come from a scanner, digital camera
or screen-shot. The numbers can be read on the screen,
and written or copied to a spreadsheet.
The process starts with an image file containing a graph or map.
The final result is digitized data that can be used by other tools
such as Gnumeric.
New features already added to Engauge:
- Older Engauge files (before version 6) can be loaded
- Undo/redo of all operations means recovering from mistakes and experimenting
with options is painless
- Wizard provides an interactive tutorial to explain the basic steps
- Wizard creates a checklist guide to interactively leads user through steps
from file import to file export
- Cubic spline interpolation between points gives more accurate curves with
fewer points
- Axes Checker briefly highlights the axes when they are defined or modified,
to reveal entry mistakes
- Graph coordinates can be specified as date and time value, or as degrees,
minutes and seconds
- All settings dialogs are resizable so they can be enlarged as necessary to
display more information
- Import by drag-and-drop
- Replacement of Qt3 (which is at its end of life) by Qt5
- Much better zooming, with a fill mode that automatically zooms in on image
features, and rezooms when the application window is resized
- Color picking straight from the original image
- Uploadable error report generated when a programming error is encountered,
for identifying problems and improving user support
- Test suite for regression testing minimizes code breakage
as new features are added
- Multiple coordinate systems in the same image can be digitized in advanced mode
- Axes with only one known coordinate (floating axes) can be digitized in advanced mode
- File import by pasting
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