![]() ENGAUGE_USERMANUAL If set, this specifies the directory containing the user manual. Debugging ¶ -pixels Show cursor location in pixel coordinates rather than graphĬoordinates -ctor Trace constructor calls -dtor Trace destructor calls -curvecmb Trace curve combobox operations -measurecmb Trace measure combobox operations -refresh Trace screen refreshes -scanning Trace image scanning Environment variables ¶ ENGAUGE_BROWSER To start up the date/time converter from within Engauge Digitizer, thisĮnvironment variable must be set to the shell command that runs a ![]() There are problems with one or more settings. Way to restore all settings to a useful configuration, especially when Fortunately, there are some tricks to improve the accuracy. That is a constraint imposed by the graphics library that is used in Engauge Digitizer. Settings ¶ -reset Reset all settings to the factory defaults. It is not possible to define points that are 'between' pixels, even by zooming in closer. Documents may alsoīe exported manually using the menu. Shutdown ¶ -export FILE Automatically export the active document at shutdown. Graphs have either points or curves grid display Grid lines may be added to a graph after the axis points have been defined. Until either the Segments dialog is used, or the Segment Fill button is Three axis points define the scales in the two coordinate directions, and the location of the origin. Click on the maximum of the y-axis (upper left corner), then the maximum of the x-axis (lower right corner). Usually that's (0,0) but can be anything. The axis points may also be digitized manually using the DigitizeĪxis Points mode -lazysegments Postpone scanning for segments that is normally performed during startup, Click Axis Point in the toolbar: and click on the origin (lower left corner) of the graph and enter the x,y values for the origin in the units of the graph (not pixels). When using Perl or other scripts to digitize many images with known axes The digitized points may require adjustment. For speed, no attempt to rotate the image if it is sideways, so The X axis is assumed to be near theīottom of the image, and the Y axis is assumed to be on the left side of Thenĭigitize axis points assuming the X axis ranges from XMIN to XMAX, and the axes XMIN XMAX YMIN YMAX Scan the imported file at startup, and locate the X and Y axes. Installed in /usr/share/doc/engauge-digitizer/usermanual and should need Window and exit -manual DIRECTORY Look for the HTML user guide in the specified directory. Document files may also be opened manually using the menu -help Display a list of command line options similar to this manpage in an X Image files mayĪlso be imported manually using the menu -open FILE Automatically open the specified Engauge Digitizer document file at Startup ¶ -import FILE Automatically import the specified image file at startup. There may be some issues with the software that are expected. Define the coordinate system of the image: Digitize Axis point. This manual page documents briefly the engauge command from the Unstable Version Warning You are using a beta version of WebPlotDigitizer. Main steps in using Engauge Digitizer (note that Help User Manual also gives some. ![]() Engauge-digitizer - interactively convert a bitmap graph or map into numbers ![]()
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