[gradsusr] Maskout two different fields

Andrew Friedman andfried at gmail.com
Mon Oct 2 06:52:54 EDT 2017


Hi Daniel,
Could it be an issue with contour shading? If you pick a point where you know there is a value, is the output correct?
Andrew

> On Oct 2, 2017, at 9:00 AM, Daniel Nairn <dannairn at gmail.com> wrote:
> 
> Hello Andrew
> 
> Yes I simplified the script as suggested at that does look much better, thank you. Not quite sure what I've done wrong with the const loops though.
> 
> On 1 October 2017 at 21:55, Andrew Friedman <andfried at gmail.com> wrote:
> Hi Daniel,
> 
> What if you simplify it by just looking at the inner loop: maskout(cape,myhel-100)? Does the output look correct? Then you can build on it by adding the successive const loops.
> 
> Andrew
> 
> > On Oct 1, 2017, at 12:59 PM, Daniel Nairn <dannairn at gmail.com> wrote:
> >
> > Hello
> >
> > I am trying to plot a chart (from one ensemble member) that displays SBCAPE where 0-1km helicity is greater than 100. This is how my current script looks
> >
> > 'define cape = capesfc(e=2)'
> > 'define myhel = HLCY0_1000m(e=2)'
> > 'define capehel = const(const(maskout(cape,myhel-100),1),0.0,-u)'
> > 'd capehel'
> >
> > I'm not convinced this is correct as my final image output does not show any CAPE values where expected. Can anybody help at all?
> >
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