From: Peter Rolf <indiego@gmx.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: MP bounding box
Date: Wed, 12 Mar 2014 14:38:54 +0100 [thread overview]
Message-ID: <5320636E.6020303@gmx.net> (raw)
[-- Attachment #1: Type: text/plain, Size: 713 bytes --]
Hi,
I run into a problem with the bounding box calculation of a MP graphic.
Seems like very small values are represented in scientific notation and
MP can't handle those.
Example attached.
[..]
<to be read again>
e
<to be read again> e
-
<argument> 6.103515625e-
005
\setMPboundingbox #1#2#3#46-\global \MPllx #1
\onebasepoint \global
\MPlly #2...
\startMPLIBtoPDF ...MPboundingbox {#1}{#2}{#3}{#4}
\setbox \MPbox \vbox
\bgro...
l.13 }
...
l.50 \useMPgraphic{path:ivy}
! ==> Fatal error occurred, no output PDF file produced!
mtx-context | fatal error: return code: 1
[fin]
Greetings, Peter
[-- Attachment #2: test.mkiv --]
[-- Type: text/plain, Size: 2767 bytes --]
\startuseMPgraphic{path:ivy}
%drawoptions (withcolor (0.792157,0.831373,0.654902));
linecap := butt;
linejoin := mitered;
path p;
p:= (176.858994,1.214840)..controls (166.410004,16.378901) and (164.914001,36.269501)..(152.785004,50.542999)
..controls (139.113007,74.707001) and (135.578003,102.433998)..(131.085999,129.313004)
..controls (125.551003,147.983994) and (134.164001,171.214996)..(120.188004,186.914001)
..controls (106.214996,204.207001) and (85.527298,188.098007)..(68.574203,192.397995)
..controls (50.648399,197.593994) and (33.652302,206.375000)..(16.855499,214.477005)
..controls (-2.886720,220.117004) and (-7.417970,244.410004)..(14.824200,250.953003)
..controls (32.433601,258.414001) and (47.558601,274.097992)..(67.972702,271.871002)
..controls (81.707001,271.468994) and (108.027000,276.070007)..(93.878899,294.792999)
..controls (88.523399,309.914001) and (81.296898,327.058990)..(87.390602,343.101990)
..controls (93.996101,355.484009) and (114.109001,346.003998)..(123.848000,339.429993)
..controls (139.315994,329.394989) and (156.770004,320.003998)..(163.925995,301.812988)
..controls (174.339996,292.378998) and (167.679993,267.875000)..(180.132996,264.121002)
..controls (184.688004,279.511993) and (183.315994,298.941010)..(196.539001,311.601990)
..controls (210.559006,328.757996) and (230.438004,338.562988)..(247.210999,352.546997)
..controls (257.906006,358.035004) and (266.890991,373.410004)..(270.281006,353.472992)
..controls (274.277008,332.484009) and (279.863007,308.898010)..(266.949005,289.789001)
..controls (254.492004,275.625000) and (267.703003,259.843994)..(281.632996,253.897995)
..controls (296.359009,246.020004) and (310.902008,235.281006)..(328.187988,231.324005)
..controls (347.582001,224.386993) and (355.777008,203.496002)..(372.128998,192.190994)
..controls (385.386993,185.054993) and (395.425995,157.820007)..(370.398010,163.953003)
..controls (344.117004,166.574005) and (317.691010,164.313004)..(291.351990,166.102005)
..controls (273.718994,160.414001) and (249.440994,182.781006)..(237.477005,164.309006)
..controls (229.477005,147.417999) and (230.983994,128.108994)..(224.882996,110.519997)
..controls (222.667999,92.656303) and (210.332001,79.105499)..(204.438004,62.742199)
..controls (205.897995,43.285198) and (196.070007,26.058599)..(185.500000,10.480500)
..controls (183.128998,8.304690) and (181.695007,-3.820310)%..(176.858994,1.214840)
% --cycle;
..cycle;
w:= xpart urcorner boundingbox p;
f:= 50mm/w; % lower then 60mm raises error
p:= p scaled f;
fill p;
passvariable("ivy",p);
setbounds currentpicture to boundingbox(p);
\stopuseMPgraphic
\starttext
\useMPgraphic{path:ivy}
\stoptext
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next reply other threads:[~2014-03-12 13:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-12 13:38 Peter Rolf [this message]
2014-03-12 16:05 ` Hans Hagen
2014-03-12 16:25 ` Peter Rolf
2014-03-12 17:15 ` Hans Hagen
2014-03-12 18:16 ` Peter Rolf
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