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Re: in plot_image how do we change the tick values [message #93545 is a reply to message #93495]

Tue, 16 August 2016 21:53

jai
Messages: 1
Registered: August 2016

Junior Member

On Saturday, August 6, 2016 at 8:11:57 PM UTC+5:30, sin wrote:
> hello,
> I am using plot_image xaxis is shown as pixels but in order to change to arcsec how do we give the values in xaxis instead of the pixel values.
>
> pls help me in this regard.
>
> thanks

I assume you are plotting the image from a fits file with a header. The header contains the keyword CDELT1 and CDELT2 these are the scales to be used along X and Y respectively. you can do something like this

plot_image,image,scale=[index.cdelt1,index.cdelt2]

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[Message index]

		in plot_image how do we change the tick values By: gunvicsin11 on Sat, 06 August 2016 07:41
		Re: in plot_image how do we change the tick values By: Markus Schmassmann on Mon, 08 August 2016 02:26
		Re: in plot_image how do we change the tick values By: jai on Tue, 16 August 2016 21:53
		Re: in plot_image how do we change the tick values By: gunvicsin11 on Tue, 16 August 2016 22:06

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