Image::ExifTool::Plot(3) User Contributed Perl Documentation Image::ExifTool::Plot(3)

# [NAME](#NAME)

Image::ExifTool::Plot - Plot tag values in SVG format

# [DESCRIPTION](#DESCRIPTION)

Output plots in SVG format based on ExifTool tag information.

# [METHODS](#METHODS)

## [new](#new)

Create a new Plot object.

```
    $plot = Image::ExifTool::Plot->new;
```

## [Settings](#Settings)

Change plot settings.

[Inputs:](#Inputs:)

0\) Plot object reference

1\) Comma-delimited string of options

[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                 - number of columns when drawing multiple plots,
                          followed optional number of datasets for each
                          plot (1 by default) using any separator
  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](#AddPoints)

Add points to be plotted.

[Inputs:](#Inputs:~2)

0\) Plot object reference

1\) Tag information hash reference from ExifTool

2\) List of tag keys to plot

## [Draw](#Draw)

Draw the SVG plot to the specified output file.

[Inputs:](#Inputs:~3)

0\) Plot object reference

1\) Output file reference

[Notes:](#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](#AUTHOR)

Copyright 2003-2026, 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](#SEE_ALSO)

<https://exiftool.org/plot.html>

2026-10-09 perl v5.44.0

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Document: Image::ExifTool::Plot(3pm) from exiftool 13.59-r3 (Chainguard OS)
Source: https://github.com/exiftool/exiftool