Re: [circos] Show half of a circle

[Martin Krzywinski]

Adjust the spacing parameter in the <ideogram> block between the first and last ideograms. Make it as large as 1/2 of the circle - make it the same size as the total size of all ideograms, to divide the figure into halves.

I've attached examples that show how to do this with one ideogram, or multiple ideograms. The ideogram.conf contains the relevant spacing parameters.

If you want the ideograms that start at a different position in the circle, adjust angle_offset in the <image> block, which is -90 by default.

<image>

<<include etc/image.conf>>

# override default imported from file above

angle_offset* = 0

</image>

Martin Krzywinski

science + art

http://mkweb.bcgsc.ca

On Mon, Feb 25, 2013 at 12:41 PM, Carl <carl.va...@ugent.be> wrote:

Hi,
I visualized my data in a complete circle but want to show the entire data in only half a circle (from 180° to 0°). I saw a graph where they did this, read the tutorials but haven't been able to figure out how to do this (I may have overlooked it...).

I'm thinking of making up 'artificial' data, not show it and use that to fill the other half? Or is there a more professional way to do this?
With spacing-parameters?

Carl

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[Carl]

Thanks Martin!!
Carl

Op maandag 25 februari 2013 21:41:18 UTC+1 schreef Carl het volgende:

[Erica]

Hi everyone!

I have a naive question regarding this: how do I calculate the size of my ideograms, to adjust the spacing in the <ideogran> block of the config file?

Cheers,

Erica

[Martin]

You can use relative spacing. See "relative spacing" at

https://circos.ca/documentation/tutorials/ideograms/spacing_breaks/

This will make the spaces relative to the total size of the ideograms.