If you are trying to translate code from Matlab, you might want to take a look at PDL. There is even a guide for MATLAB users.

Using Prima, I was able to put together a simple app that loads and displays an image. When one clicks on the image, the coordinates are given in a popup message box. This code doesn't use PDL, but if you wanted to process the image in some way before displaying it you would likely find PDL to be useful (and Prima works well with PDL).

#!/usr/bin/env perl

use strict;
use warnings;

use Prima qw(Application MsgBox ImageViewer);

# Example image taken from the "Astronomy Picture of the Day Archive"
# http://apod.nasa.gov/apod/archivepix.html

# Picture of the day May 13, 2016
# http://apod.nasa.gov/apod/ap160513.html

my $im = Prima::Image->load('mercury-transit-2016-50legaultc.jpg');

my $sf = 1.2; # scaling factor
my $w = $im->width; # image width
my $h = $im->height; # image height

my $wDisplay = Prima::MainWindow->create(
    text  => 'Image Viewer',
    size  => [ $sf*$w, $sf*$h ],
);

$wDisplay->insert(
    'Prima::ImageViewer',
    size => [ $w, $h ],
    image => $im,
    autoZoom => 1,
    onMouseDown => sub {
        my ( $self, $button, $mod, $x, $y) = @_;
        message("You clicked me at: $x:$y!");
    }
);

run Prima;
[download]

• Prima::tutorial (an intro to Prima that shows an example of using the onMouseDown event)
• Prima::ImageViewer (documentation for the ImageViewer widget)
• Prima::image-load and Prima::Image

I don't know Matlab and these functions, but you might be interested searching for perl tk canvas image

There is plenty of sample code online.

HTH! =)

First, we need to see what you currently have. Your sample data and code should go into <code></code> tags. Second, it would be appreciated if you could show what you've tried.

We don't do free work here upon request. You need to show at least some effort.

Come on, you are a bit too harsh, he's basically asking how to show images and plot points in Perl.

What kind of code can he possibly show?

Cheers Rolf
_{(addicted to the Perl Programming Language and ☆☆☆☆ :)
Je suis Charlie!}

I feel I'm one of the more lenient and accepting Monks... I often respond with code to even homework questions. In this case, I have no clue what the OP is trying to do. I responded with a generic, typically accepted response to a post that contains no information. Not everyone knows that the post translates into image requirements.

LanX to stevieb: Come on, you are a bit too harsh, ...

Doctor take own medicine please