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Re: Point Spread Function Simulation [message #68215 is a reply to message #68211]

Thu, 24 September 2009 08:35

pgrigis
Messages: 436
Registered: September 2007

Senior Member

On Sep 24, 11:23 am, Jacob Mendez <jake.men...@gmail.com> wrote:
> Hello, I'm trying to generate a simulated 2D point spread function to
> test a program that I am writing and I am wondering what might be a
> good way to do this.

It's pretty easy:

nx=512;dimensions of images
ny=512
sigma=10;width of psf

x=findgen(nx)-nx/2;x axis of image
y=findgen(ny)-ny/2

xx=x#(x*0+1);create 2D coordinates
yy=(y*0+1)#y

zz=exp(-0.5*(xx^2+yy^2)/sigma^2);compute PSF

Ciao,
Paolo

>
> My program will take 2D point spread functions and generate 1D line
> spread functions at incremental rotations of the 2D PSF.
>
> Thanks

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		Re: Point Spread Function Simulation By: Dan Larson on Fri, 25 September 2009 06:48
		Re: Point Spread Function Simulation By: pgrigis on Thu, 24 September 2009 08:35

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