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From: Jeong Dal <haksan@me.com>
Newsgroups: gmane.comp.tex.context
Subject: Re: background color of text in contour(former:
 ntg-context Digest, Vol 186, Issue 61)
Date: Sun, 29 Dec 2019 22:33:00 +0900
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Dear Hans,

I run the following code which is in page 24,25 luametafun.pdf.

1. adding \starttext and \stoptext, it works fine. No overlapping.=20
Also, functionstyle =3D =E2=80=9Cmath=E2=80=9D is working nicely.

2. removing \starttext and \stoptext, then functionstyle =3D=E2=80=9Cmath=E2=
=80=9D invoked an error.

3. removing \starttext, \stoptext, and functionstyle=3D=E2=80=9Cmath=E2=80=
=9D, it worked. However the caption=20
=E2=80=9Cx=3D[=E2=80=A6]; 	y=3D[=E2=80=A6.]=E2=80=9D is overlapped.

%\starttext
\startMPcode{doublefun}=20
draw lmt_contour [
xmin =3D 0, xmax =3D 4*pi, xstep =3D .05,
ymin =3D -6, ymax =3D 6, ystep =3D .05,
levels =3D 7,
height =3D 5cm,
preamble =3D "local sin, cos =3D math.sin, math.cos",
function =3D "cos(x)+sin(y)",
%functionstyle =3D "math",
background =3D "bitmap",
foreground =3D "edge",
linewidth =3D 1/2,
cache =3D true,
];=20
\stopMPcode
%\stoptext


Thank you so much.

Best regards,

Dalyoung


--Apple-Mail=_D306A789-B05C-4354-AEF1-9B744A62CF1A
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

<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 =
Hans,<div class=3D""><br class=3D""></div><div class=3D"">I run the =
following code which is in page 24,25 luametafun.pdf.</div><div =
class=3D""><br class=3D""></div><div class=3D"">1. adding \starttext and =
\stoptext, it works fine. No overlapping.&nbsp;</div><div class=3D"">Also,=
 functionstyle =3D =E2=80=9Cmath=E2=80=9D is working nicely.</div><div =
class=3D""><br class=3D""></div><div class=3D"">2. removing \starttext =
and \stoptext, then functionstyle =3D=E2=80=9Cmath=E2=80=9D invoked an =
error.</div><div class=3D""><br class=3D""></div><div class=3D"">3. =
removing \starttext, \stoptext, and functionstyle=3D=E2=80=9Cmath=E2=80=9D=
, it worked. However the caption&nbsp;</div><div =
class=3D"">=E2=80=9Cx=3D[=E2=80=A6];&nbsp;<span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span>y=3D[=E2=80=A6.]=E2=80=9D is =
overlapped.</div><div class=3D""><br class=3D""></div><div class=3D""><div=
 style=3D"color: rgb(0, 0, 0); background-color: rgb(207, 207, 207); =
font-family: Menlo, Monaco, &quot;Courier New&quot;, monospace; =
font-size: 14px; line-height: 21px; white-space: pre;" class=3D""><div =
class=3D""><span style=3D"color: #7f7f00;" class=3D"">%</span><span =
style=3D"color: #007f7f;font-weight: bold;" =
class=3D"">\starttext</span></div><div class=3D""><span =
style=3D"font-weight: bold;" class=3D"">\startMPcode{</span><span =
style=3D"color: #b07f00;" class=3D"">doublefun</span><span =
style=3D"font-weight: bold;" class=3D"">}</span> </div><div =
class=3D""><span style=3D"color: #4f4f4f;font-weight: bold;" =
class=3D"">draw</span> lmt_contour <span style=3D"color: #00007f;" =
class=3D"">[</span></div><div class=3D"">xmin <span style=3D"color: =
#00007f;" class=3D"">=3D</span> <span style=3D"color: #007f7f;" =
class=3D"">0</span>, xmax <span style=3D"color: #00007f;" =
class=3D"">=3D</span> <span style=3D"color: #007f7f;" =
class=3D"">4</span><span style=3D"color: #7f7f00;" =
class=3D"">*</span><span style=3D"color: #007f00;font-weight: bold;" =
class=3D"">pi</span>, xstep <span style=3D"color: #00007f;" =
class=3D"">=3D</span> .<span style=3D"color: #007f7f;" =
class=3D"">05</span>,</div><div class=3D"">ymin <span style=3D"color: =
#00007f;" class=3D"">=3D</span> <span style=3D"color: #007f7f;" =
class=3D"">-6</span>, ymax <span style=3D"color: #00007f;" =
class=3D"">=3D</span> <span style=3D"color: #007f7f;" class=3D"">6</span>,=
 ystep <span style=3D"color: #00007f;" class=3D"">=3D</span> .<span =
style=3D"color: #007f7f;" class=3D"">05</span>,</div><div =
class=3D"">levels <span style=3D"color: #00007f;" class=3D"">=3D</span> =
<span style=3D"color: #007f7f;" class=3D"">7</span>,</div><div =
class=3D"">height <span style=3D"color: #00007f;" class=3D"">=3D</span> =
<span style=3D"color: #007f7f;" class=3D"">5</span><span style=3D"color: =
#4f4f4f;font-weight: bold;" class=3D"">cm</span>,</div><div =
class=3D"">preamble <span style=3D"color: #00007f;" class=3D"">=3D</span> =
<span style=3D"color: #00007f;" class=3D"">"</span><span style=3D"color: =
#7f007f;" class=3D"">local sin, cos =3D math.sin, math.cos</span><span =
style=3D"color: #00007f;" class=3D"">"</span>,</div><div class=3D""><span =
style=3D"color: #007f00;font-weight: bold;" class=3D"">function</span> =
<span style=3D"color: #00007f;" class=3D"">=3D</span> <span =
style=3D"color: #00007f;" class=3D"">"</span><span style=3D"color: =
#7f007f;" class=3D"">cos(x)+sin(y)</span><span style=3D"color: #00007f;" =
class=3D"">"</span>,</div><div class=3D""><span style=3D"color: =
#7f7f00;" class=3D"">%functionstyle =3D "math",</span></div><div =
class=3D""><span style=3D"color: #4f4f4f;font-weight: bold;" =
class=3D"">background</span> <span style=3D"color: #00007f;" =
class=3D"">=3D</span> <span style=3D"color: #00007f;" =
class=3D"">"</span><span style=3D"color: #7f007f;" =
class=3D"">bitmap</span><span style=3D"color: #00007f;" =
class=3D"">"</span>,</div><div class=3D"">foreground <span style=3D"color:=
 #00007f;" class=3D"">=3D</span> <span style=3D"color: #00007f;" =
class=3D"">"</span><span style=3D"color: #7f007f;" =
class=3D"">edge</span><span style=3D"color: #00007f;" =
class=3D"">"</span>,</div><div class=3D"">linewidth <span style=3D"color: =
#00007f;" class=3D"">=3D</span> <span style=3D"color: #007f7f;" =
class=3D"">1</span><span style=3D"color: #7f7f00;" =
class=3D"">/</span><span style=3D"color: #007f7f;" =
class=3D"">2</span>,</div><div class=3D"">cache <span style=3D"color: =
#00007f;" class=3D"">=3D</span> <span style=3D"color: =
#00007f;font-weight: bold;" class=3D"">true</span>,</div><div =
class=3D""><span style=3D"color: #00007f;" class=3D"">];</span> =
</div><div class=3D""><span style=3D"font-weight: bold;" =
class=3D"">\stopMPcode</span></div><div class=3D""><span style=3D"color: =
#7f7f00;" class=3D"">%</span><span style=3D"color: #007f7f;font-weight: =
bold;" class=3D"">\stoptext</span></div><br class=3D""></div><div><br =
class=3D""></div><div>Thank you so much.</div></div><div><br =
class=3D""></div><div>Best regards,</div><div><br =
class=3D""></div><div>Dalyoung</div><div><br =
class=3D""></div></body></html>=

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