Groups > comp.graphics.apps.gnuplot > #3948

Re: Can use unwrap with input data associated with a function?

Path	csiph.com!weretis.net!feeder4.news.weretis.net!feeder5.news.weretis.net!news.solani.org!.POSTED!not-for-mail
From	Karl Ratzsch <mail.kfr@gmx.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: Can use unwrap with input data associated with a function?
Date	Fri, 25 May 2018 09:46:02 +0200
Organization	solani.org
Lines	26
Message-ID	<pe8evr$ogc$1@solani.org> (permalink)
References	<alpine.WNT.2.20.1805250905200.11560@dhcp3-6>
Mime-Version	1.0
Content-Type	text/plain; charset=utf-8
Content-Transfer-Encoding	7bit
X-Trace	solani.org 1527234363 25100 eJwFwQkBwDAIA0BLLeWLnAHBv4Td2fPrHermamtbx4nhhDgHac1ZkTmttz9wgX7FRK6wEfUDObMSRA== (25 May 2018 07:46:03 GMT)
X-Complaints-To	abuse@news.solani.org
NNTP-Posting-Date	Fri, 25 May 2018 07:46:03 +0000 (UTC)
User-Agent	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0
In-Reply-To	<alpine.WNT.2.20.1805250905200.11560@dhcp3-6>
Cancel-Lock	sha1:5D/1qGAJFP58zUx40qrGFU3dNVc=
Content-Language	de-DE-1901
X-User-ID	eJwNxMEBwCAMAsCVGhNAx1Fq9h+hvcchGbSKYKHR7zPpTGn1rIPD3C1L/kcO+UbH2pd+HDX8ARrTET0=
X-NNTP-Posting-Host	eJwFwQERADEIAzBLv4MWKucZ4F/CEhgPbzhBx2KLvBtdsPQxZR+/HRRGo/rtU7SHctAOYR8hPxEI
Xref	csiph.com comp.graphics.apps.gnuplot:3948

Show key headers only | View raw

Am 25.05.2018 um 09:15 schrieb Jean-Pierre Coulon:
> My input file "phasedata.txt" contains:
> 1e3 -10
> 3e3 -38
> 1e4 -40
> 3e4 -78 1e5 -80
> 
> My gnuplot file is:
> reset; set log x; set nolog y; set angle degrees; set grid
> set xrange [1e3:1e5]; set yrange [-180:180]; jay = {0,1}; p(x) = jay*x
> other(x) = 1/((1 + p(x)/1e4)*(1 + p(x)/1e4)*(1 + p(x)/1e4))
> set format y "%.0f%c\260"
> set ytics 90; set mytics 2
> plot "phasedata.txt" with lines title "simple input data",\
> arg(other(x)) title "other function",\
> "phasedata.txt" us 1:($2 +arg(other($1))) with lines title "with other
> function, as is",\
> "phasedata.txt" us 1:($2 +arg(other($1))) with lines  title
> "unwrapped"
> 
> My 3rd plot is correct by my 4th plot is not, even in the [1000:10000]
> domain, where no unwrap job is required. Why?


I'd say thats a bug. Looks like "smooth unwrap" does not like the "angle
degree" setting.

Back to comp.graphics.apps.gnuplot | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Can use unwrap with input data associated with a function? Jean-Pierre Coulon <coulon@cacas.pam.obs-nice.fr> - 2018-05-25 09:15 +0200
  Re: Can use unwrap with input data associated with a function? Karl Ratzsch <mail.kfr@gmx.net> - 2018-05-25 09:46 +0200
    Re: Can use unwrap with input data associated with a function? Jean-Pierre Coulon <coulon@cacas.pam.obs-nice.fr> - 2018-05-25 10:10 +0200
      Re: Can use unwrap with input data associated with a function? Karl Ratzsch <mail.kfr@gmx.net> - 2018-05-25 11:24 +0200

csiph-web