---
name: "Image::ExifTool::Plot"
section: "3pm"
platform: "linux"
package: "perl-image-exiftool"
version: "13.55-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/Image::ExifTool::Plot"
---

# Image::ExifTool::Plot(3pm)

Plot tag values in SVG format

## 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                 - 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

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 2003-2026, 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

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