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wind / gust problem

Posted: Tue Apr 19, 2011 8:00 pm
by Rheintalwetter
some days ago I detected that there seems to be a problem with wind / gust.

in this graph there is much lower gust as in the wswin graph:

https://www.meteoplug.com/cgi-bin/meteo ... ddd9c4d0f6
Image

where is the problem? how could I change it?

Re: wind / gust problem

Posted: Wed Apr 20, 2011 8:37 pm
by admin
this is an issue with your meteoplug graph definition.
Meteoplug graphing should be discussed in "forum.meteoplug.com".

However, reason is that you did forget to add "sfactorx_y=3.6" in
your wind definition statement. Please also consult "wiki.meteoplug.com"
to get familiar how to define graphs.

Re: wind / gust problem

Posted: Thu Apr 21, 2011 7:56 am
by Rheintalwetter
Thanks for your answer, I also thought it. But I'm wondering about this because I never changed anything there...

Re: wind / gust problem

Posted: Thu Apr 21, 2011 8:04 am
by Rheintalwetter
gtitle3=Wind
gheight3=150 gwidth3=700 glunit3=km/h gtype3=line
sid3_0=wind* ssmooth3_0=1 sname3_0=Wind scolor3_0=000088 sfill3_0=10 ssel3_0=wind
sid3_1=wind* ssmooth3_1=1 sname3_1=Gust_Max scolor3_1=0000FF sfill3_1=10 sline3_1=80 ssel3_1=gustmax

This is the text in the Wind section. So I'm not sure, but why do I have this problem? gunit is km/h, so do I have to multiply by 3.6?

Re: wind / gust problem

Posted: Thu Apr 21, 2011 8:16 am
by Rheintalwetter
ok, I fixed it. but I'm still wondering why I have to add the sfactor here...

Re: wind / gust problem

Posted: Thu Apr 21, 2011 2:58 pm
by wfpost
Rheintalwetter wrote:ok, I fixed it. but I'm still wondering why I have to add the sfactor here...
m/s convert to km/h ??

Re: wind / gust problem

Posted: Thu Apr 21, 2011 8:11 pm
by admin
"glunit" just defines a text to be displayed at the y-axis. it does not trigger any conversion.
wind speed data always comes as m/s. To have the values converted to km/h you need factor 3.6.