Image::ExifTool::Plot(3) User Contributed Perl Documentation
NAME
Image::ExifTool::Plot - Plot tag values in SVG format
DESCRIPTION
Output plots in SVG format based on ExifTool tag information.
METHODS
new
Create a new Plot object.
$plot = Image::ExifTool::Plot->new;
Settings
Change plot settings.
Inputs:
0) Plot object reference
1) Comma-delimited string of options
Options:
"Type=Line" - plot type (Line, Scatter or Histogram)
"Style=Line" - data style (Line, Marker and/or Fill)
"NBins=20" - number of bins for histogram plot
"Size=800 600" - width,height of output image
"Margin=60 15 15 30" - left,top,right,bottom margins around plot area
"Legend=0 0" - x,y offset to shift plot legend
"TxtPad=10 10" - padding between text and x,y scale
"LineSpacing=20" - spacing between text lines
"Stroke=1" - plot stroke width and marker-size scaling factor
Title, XLabel, YLabel - plot title and x/y axis labels (no default)
XMin, XMax - x axis minimum/maximum (autoscaling if not set)
YMin, YMax - y axis minimum/maximum
Multi - flag to draw multiple plots, one for each dataset
Split - flag to split strings of numbers into lists
(> 1 to split into lists of N items)
"Grid=darkgray" - grid color
"Text=black" - color of text and plot border
"Bkg=" - background color (default is transparent)
"Cols=red green blue black orange gray fuchsia brown turquoise gold"
- colors for plot data
"Marks=circle square triangle diamond star plus pentagon left down right"
- marker-shape names for each dataset
AddPoints
Add points to be plotted.
Inputs:
0) Plot object reference
1) Tag information hash reference from ExifTool
2) List of tag keys to plot
Draw
Draw the SVG plot to the specified output file.
Inputs:
0) Plot object reference
1) Output file reference
Notes:
On return, the Plot Error and Warn members contain error or warning
strings if there were any problems. If an Error is set, then the
output SVG is invalid.
AUTHOR
Copyright 2003-2025, Phil Harvey (philharvey66 at gmail.com)
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
SEE ALSO
<https://exiftool.org/plot.html>
perl v5.34.3 2025-03-02 Image::ExifTool::Plot(3)
image-exiftool 13.220.0 - Generated Mon Mar 3 18:03:16 CST 2025