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Transparent Box From nh88 at leicester.ac.uk Thu May 30 11:21:03 2019
From: nh88 at leicester.ac.uk (Hartell, Nick (Prof.))
Date: Thu, 30 May 2019 18:21:03 +0000


Subject: Transparent Box
In-Reply-To: <23A2FBE1-AE82-47D5-90DB-2E6A2AC2DD6C@caltech.edu>
References: <36D013BB-349D-4D5C-8ACC-7F64B4E03843@le.ac.uk>
<23A2FBE1-AE82-47D5-90DB-2E6A2AC2DD6C@caltech.edu>
Message-ID: <02EBE54B-BEEC-43F4-9231-ED3C63326750@le.ac.uk>

Thank you Daniel,
Can this be done with Igor 7? I think the fillgc in Windows 7 only allows rgb without setting an alpha vaue.
B
Nick

?On 30/05/2019, 19:11, "Info-igor on behalf of Silevitch, Daniel M." <info-igor-bounces at lists.info-igor.org on behalf of dmsilev at caltech.edu> wrote:

Draw the rectangle in the UserFront layer, set it to solid fill, and choose a fill color with some intermediate alpha (transparency) value, e.g.
SetDrawEnv fillfgc= (1,1,65535,32768)

> On May 30, 2019, at 10:31 AM, Hartell, Nick (Prof.) <nh88 at leicester.ac.uk> wrote:
>
> Dear List,
> I am sure I have done this before but can?t recall how to do this.
> I want to draw a rectangular box over a graph that is coloured but partially opaque. Can someone remind me how to do this? The standard drawing tools don?t seem to have this option or if they do, I can?t see it.
> Thanks,
> B
> Nick
>
> Professor Nicholas Hartell
> Chair of Neuroscience
> Department of Neuroscience, Psychology & Behaviour,
> University of Leicester, University Road, Leicester, LE1 9HN, UK
> t: +44 (0)116 252 3301
> m: +44 (0)775 1088686
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