Quick question about lines and pen-down

[jkg]

I am using "pen-down" to draw the paths that agents take. My question is, can this line be changed to a dashed line, dotted line, circle chain line, etc? I need to distinguish between lines created by 5 agents and changing the color isn't sufficient.

thanks

[Aaron Andre Brandes]

Hi,

I don’t think you can directly make the line dotted etc, but you should be able to make 5 distinguishable paths.

 

You can change the thickness of the lines  e.g.

ask turtle 0 [ set color orange set pen-size 3 pen-down fd 10]

 

Thicker lines should be easier to distinguish by color, and different pen-sizes could help distinguish similar colors.

I also recommend the palette extension.

The palette:scale-scheme command lets you create a specified number of colors that can have properties such as"Divergent."

You can get more than 5 clearly distinguishable colors. You can explore the color options at http://www.colorbrewer.org.

 

If your turtles are making small moves, you might consider giving them different shapes, and making use of the stamp command to create a trail.

You can also combine pen lines with stamp(ing) to help distinguish your paths.

 

Happy trails,

Aaron

 

-- 

Aaron Brandes, Software Developer

Center for Connected Learning and Computer-Based Modeling

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[Stephen Guerin]

This is a follow on to Aaron's excellent suggestion of stamping turtle shapes if the turtles are making small moves. If the turtles are making big moves, you can stamp instead stamp *links* with different shapes including dashed and three lines. 

The hack is to have an invisible trailing turtle to make the link. You can also vary the link thickness.

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[Aaron Andre Brandes]

Very nice!

Aaron

 

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Aaron Brandes, Software Developer

Center for Connected Learning and Computer-Based Modeling

 

 

From: Stephen Guerin <stephen...@simtable.com>
Date: Thursday, February 18, 2021 at 11:48 PM
To: Aaron Andre Brandes <aaron....@northwestern.edu>, jkg <jkg...@yahoo.com>
Cc: netlogo-users <netlog...@googlegroups.com>
Subject: Re: [netlogo-users] Quick question about lines and pen-down

 

This is a follow on to Aaron's excellent suggestion of stamping turtle shapes if the turtles are making small moves. If the turtles are making big moves, you can stamp instead stamp *links* with different shapes including dashed and three lines. 

The hack is to have an invisible trailing turtle to make the link. You can also vary the link thickness.