See attached image.
Any thoughts on how we might do this in QGIS?
Grant
Perth Western Australia
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Message: 1
Date: Sat, 15 Jun 2024 16:51:57 -0500
From: Drew French <fullboarf...@gmail.com>
To: QGIS List <qgis-user@lists.osgeo.org>
Subject: [Qgis-user] Triangular Legend
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<CAA0tCbAuVg=PCV02W+7HFpbjkXyeSozKP=sH4J8gj=otmdg...@mail.gmail.com>
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Do you have a sample image?
On Sat, Jun 15, 2024 at 2:00?PM <qgis-user-requ...@lists.osgeo.org> wrote:
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> Message: 1
> Date: Sat, 15 Jun 2024 14:26:06 +0800
> From: <box...@iinet.net.au>
> To: <qgis-user@lists.osgeo.org>
> Subject: [Qgis-user] Triangular Legend
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> I am producing ternary radiometric images where potassium is shown in
> red, thorium shown in green and uranium shown in blue. In geophysical
> maps, they commonly have a triangular legend with potassium at the
> apex and the green and blue at the lower points of the triangle. Hs
> anyone ever created a triangular legend for an RGB image?
>
> Cheers Grant
>
> Perth Western Australia
>
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Message: 2
Date: Sun, 16 Jun 2024 18:00:10 +1000
From: "Phil Wyatt" <p...@wyatt-family.com>
To: "'Drew French'" <fullboarf...@gmail.com>, "'QGIS List'"
<qgis-user@lists.osgeo.org>
Subject: Re: [Qgis-user] Triangular Legend
Message-ID: <001301dabfc3$3c7290c0$b557b240$@wyatt-family.com>
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I suspect this is typical of what is required (maybe not with the text?)
https://vro.agriculture.vic.gov.au/dpi/vro/vroimages.nsf/Images/landform_rad
io5/$File/radio_pyrmid.jpg
From: QGIS-User <qgis-user-boun...@lists.osgeo.org> On Behalf Of Drew French
via QGIS-User
Sent: Sunday, June 16, 2024 7:52 AM
To: QGIS List <qgis-user@lists.osgeo.org>
Subject: [Qgis-user] Triangular Legend
Do you have a sample image?
On Sat, Jun 15, 2024 at 2:00?PM <qgis-user-requ...@lists.osgeo.org
<mailto:qgis-user-requ...@lists.osgeo.org> > wrote:
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Date: Sat, 15 Jun 2024 14:26:06 +0800
From: <box...@iinet.net.au <mailto:box...@iinet.net.au> >
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Subject: [Qgis-user] Triangular Legend
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I am producing ternary radiometric images where potassium is shown in red,
thorium shown in green and uranium shown in blue. In geophysical maps, they
commonly have a triangular legend with potassium at the apex and the green
and blue at the lower points of the triangle. Hs anyone ever created a
triangular legend for an RGB image?
Cheers Grant
Perth Western Australia
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