[gradsusr] Combining two shaded variables.

Stephen McMillan smcmillan at planalytics.com
Wed Aug 5 11:09:26 EDT 2015

1.  Display first variable then save to an image file
2.  Clear screen, then display second variable
3.  Save to another file using first file as background (-b option) and
specify an appropriate transparent color (-t option)

Resulting saved map should be without the rough, pixelated edges

Stephen Mc

On Wed, Aug 5, 2015 at 10:04 AM, Chorley Weather <
weatherstu at chorleyweather.com> wrote:

> Hi guys,
> I have been trying to combine two shaded variables in one image, for
> example precip & cloud cover. I have tried the maskout function but the
> output looks to rough and pixelated. Can anybody suggest a better way to
> get a smoother result.
> Many thanks in advance
> Stuart.
> --
> Chief Forecaster & Owner
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> gradsusr at gradsusr.org
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