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From: Jean-Philippe Rey via ntg-context <ntg-context@ntg.nl>
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Subject: Re: Problem with log coordinates in metafun graph
 module
Date: Fri, 10 Dec 2021 08:34:26 +0100
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Dear list,

I dived into m-grap.mpiv and found that "log" coordinates are now called =
"logarithmic". So

   setcoords(logarithmic, linear)

is the new way and it works with the last ConTeXt version.

Jean-Philippe,

> Le 8 d=C3=A9c. 2021 =C3=A0 11:49, Jean-Philippe Rey via ntg-context =
<ntg-context@ntg.nl> a =C3=A9crit :
>=20
> Dear list,
>=20
> Log coordinates seem to be broken in the last version of =
ConTeXt/metafun/graph.
>=20
> Here is my failing example
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> \usemodule[graph]
> \starttext
> \startMPcode{graph}
> draw begingraph(100mm, 100mm);
> 	setcoords(log, linear);   % works fine with setcoords(linear, =
linear);
> 	gdraw (1e-3, 10) -- (10, 30);
> 	endgraph;
> \stopMPcode
> \stoptext
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
> which produces nothing but works with ConTeXt  ver: 2021.01.05 10:45 =
LMTX.
>=20
> You will find attached the log file which contains
>=20
> metafun         > log > error: A primary expression can't begin with =
','
>=20
> Thank you for your help.



--Apple-Mail=_B8CD7A80-AF4E-4B41-AC13-4F52CD341DF9
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Dear =
list,<div class=3D""><br class=3D""></div><div class=3D"">I dived into =
m-grap.mpiv and found that "log" coordinates are now called =
"logarithmic". So</div><div class=3D""><br class=3D""></div><div =
class=3D"">&nbsp; &nbsp;setcoords(logarithmic, linear)</div><div =
class=3D""><br class=3D""></div><div class=3D"">is the new way and it =
works with the last ConTeXt version.</div><div class=3D""><br =
class=3D""></div><div class=3D"">Jean-Philippe,<br class=3D""><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">Le 8 =
d=C3=A9c. 2021 =C3=A0 11:49, Jean-Philippe Rey via ntg-context &lt;<a =
href=3D"mailto:ntg-context@ntg.nl" class=3D"">ntg-context@ntg.nl</a>&gt; =
a =C3=A9crit :</div><br class=3D"Apple-interchange-newline"><div =
class=3D""><div class=3D"">Dear list,<br class=3D""><br class=3D"">Log =
coordinates seem to be broken in the last version of =
ConTeXt/metafun/graph.<br class=3D""><br class=3D"">Here is my failing =
example<br class=3D""><br =
class=3D"">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br =
class=3D"">\usemodule[graph]<br class=3D"">\starttext<br =
class=3D"">\startMPcode{graph}<br class=3D"">draw begingraph(100mm, =
100mm);<br class=3D""><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span>setcoords(log, linear); =
&nbsp;&nbsp;% works fine with setcoords(linear, linear);<br =
class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>gdraw (1e-3, 10) -- (10, 30);<br class=3D""><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>endgraph;<br class=3D"">\stopMPcode<br class=3D"">\stoptext<br =
class=3D"">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br class=3D""><br =
class=3D"">which produces nothing but works with ConTeXt &nbsp;ver: =
2021.01.05 10:45 LMTX.<br class=3D""><br class=3D"">You will find =
attached the log file which contains<br class=3D""><br class=3D"">metafun =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; log &gt; error: A =
primary expression can't begin with ','<br class=3D""><br class=3D"">Thank=
 you for your help.<br class=3D""></div></div></blockquote></div><br =
class=3D""><div class=3D"">
<div style=3D"color: rgb(0, 0, 0); letter-spacing: normal; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;" class=3D""><div style=3D"color: rgb(0, 0, 0); =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><span class=3D"Apple-style-span" style=3D"color: rgb(0, 0, =
0); font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-ligatures: normal; font-variant-caps: normal; =
font-variant-east-asian: normal; font-variant-position: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
border-collapse: separate; border-spacing: 0px;"><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;" class=3D""><span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; orphans: 2; widows: 2; =
border-spacing: 0px;"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><span class=3D"Apple-style-span" style=3D"border-collapse: =
separate; border-spacing: 0px;"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><span class=3D"Apple-style-span" style=3D"border-collapse: =
separate; border-spacing: 0px;"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><span class=3D"Apple-style-span" style=3D"border-collapse: =
separate; border-spacing: 0px;"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><span class=3D"Apple-style-span" style=3D"border-collapse: =
separate; border-spacing: 0px;"><span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; border-spacing: 0px;"><div =
class=3D""><br =
class=3D""></div></span></span></div></span></div></span></div></span></di=
v></span></div></span></div></div></div></div></body></html>=

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