Re: [ferret_users] Bug with annotate command

To: ferret_users@xxxxxxxx
Subject: Re: [ferret_users] Bug with annotate command
From: "Ansley C. Manke" <ansley.b.manke@xxxxxxxx>
Date: Fri, 19 Apr 2019 11:21:59 -0700
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Title: Signature

Hi Bruno,
Thank you for writing. This problem is fixed in the upcoming Ferret/PyFerret release. The evaluation of numbers such as `10*1.1*COS(270*3.14159/180)` returns an unfortunately large number of digits and an internal issue came up with how the annotate command handles that. It is now handled in a more robust way.

Ansley

On 4/19/2019 5:24 AM, Bruno Levier wrote:

Hi

This is my script:

Plot /Nolab /i=1:10 /Hlim=-10:10 /Vlim=-10:10 i
Annotate/Xpos=`10*1.1*COS(270*3.14159/180)`/Ypos=`10*1.1*SIN(270*3.14159/180)`/Halign=0/Valign=0/Size=0.20 "S"

Ferret is frozen.

Using less precision, it works:
Annotate/Xpos=`10*1.1*COS(270*3.14159/180),P=-4`/Ypos=`10*1.1*SIN(270*3.14159/180)`/Halign=0/Valign=0/Size=0.20 "S"

I use Ferret v7.43.

Bruno

--

--
Ansley Manke
NOAA/PMEL Science Data Integration Group
7600 Sand Point Way NE
206-526-6246

References:
- [ferret_users] Bug with annotate command
  - From: Bruno Levier

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