[Plplot-general] Re : png poor quality

[<bp...@ne...>]

=0A=20Hi=20all,=0A=0AAs=20Alan=20said,=20the=20remaining=20misalignment=20issue=20=
is=20due=20to=20the=20misalignement=20of=20the=20glyphs=20inside=20the=0ADebian=20=
FreeSerif=20Font.=20Using=20ForgeFont:=0A=0Ahttp://fontforge.sourceforge.net/=0A=
FontForge=20--=20An=20outline=20font=20editor=0A=20=20that=20lets=20you=20create=
=20your=20own=20postscript,=20truetype,=20opentype,=20cid-keyed,=0A=20=20multi-m=
aster,=20cff,=20svg=20and=20bitmap=20(bdf,=20FON,=20NFNT)=20fonts,=20or=20edit=20=
existing=0A=20=20ones.=20Also=20lets=20you=20convert=20one=20format=20to=20anoth=
er.=20FontForge=20has=20support=0A=20=20for=20many=20macintosh=20font=20formats.=
=0A=0AI=20have=20modified=20the=20FreeSerif.ttf=20font=20in=20order=20to=20prope=
rly=20align=20a=20part=20of=20the=20glyphs:=20the=20symbol=0Aplotted=20with=20pl=
poin=20are=20now=20well=20aligned.=20(I'm=20not=20aware=20of=20the=20copyrights,=
=20but=20I=20can=20obviously=20share=20this=20new=20=0A"FreeSerif_plplot.ttf"=20=
TrueType=20font=20;-)=20).=20=0A=0ABut,=20we've=20encoutered=20a=20new=20problem=
:=20when=20plotting=20inside=20a=20png=20file,=20using=20the=20gd=20driver,=20th=
e=20symbol=0Aare=20not=20clipped=20(is=20that=20the=20right=20word?)=20when=20ly=
ing=20outside=20the=20range=20of=20the=20axis.=20That=20is,=20symbols=20may=20be=
=20plotted=20outside=20the=20box=20(when=20the=20data=20lie=20outside=20the=20x/=
y=20min/max=20of=20the=20axes).=0A=0AIn=20our=20sense,=20it=20seems=20to=20be=20=
a=20problem=20with=20the=20gd=20driver,=20since=20it=20does=20not=20occur=20when=
=20plotting=20to=20the=20screen=0A(xwin)=20or=20to=20a=20postscript=20(ps).=0A=0A=
Has=20anyone=20faced=20such=20an=20issue?=20Any=20idea?=0A=0A=0Aregards,=0ABruno=
=20&=20Nicolas=0A=0A=0A=0A=0A=20=0A=0A=0A=20=0A=0A-----E-mail=20d'origine-----=0A=
De=20:=20b...@ne...=0AA=20:=20p...@li...=0ACc=20:=
=20n...@cl...;=20b...@cl...=0AEnvoy=C3=A9=20le=20:=20Mercredi=2018=20Ju=
il=202007=2012:01=0ASujet=20:=20Re:=20[Plplot-general]=20png=20poor=20quality=0A=
=0A=0A=0A=0A=0A=0A=0A=0A=0AAlan=20wrote:=0A=0ANow=20to=20deal=20with=20the=20spe=
cifics=20of=20your=20question,=20our=20best=20demonstration=20of=0A=0A=0Aexample=
s=206=20and=207=20(and=20also=20example=2023=20at=0A=0A=0Ahttp://plplot.sourcefo=
rge.net/examples/demo23.php=20which=20shows=20a=20subset=20of=0A=0A=0Athe=20larg=
e=20number=20of=20unicode=20mathematical=20symbol=20possibilities=20that=20are=0A=
=0A=0Aaccessible=20with=20TrueType=20fonts)=20was=20done=20with=20the=20Debian=20=
ttf-freefont=0A=0A=0Apackage=20which=20is=20described=20as=20follows:=0A=0A=0A=0A=
=0A=0A=0A=0AThanks=20Alan!=20The=20Debian=20ttf-freefont=20is=20great=20and=20no=
w,=20I=20can=20access=20to=20the=20same=20table=20than=20with=0A=0Athe=20Hershey=
=20font=20(and=20plplot=20looks=20nicer=20than=20ever)=0A=0A=0A=0AA=20last=20iss=
ue:=20the=20alignment=20of=20the=20font=20seems=20different=20(by=20default)=20t=
han=20with=20Hershey:=20the=20symbols=0A=0Ado=20not=20seem=20to=20be=20center=20=
in=20the=20$,$y=20position=20and=20the=20x/ylabel=20of=20written=20over=20the=20=
ticks....=20?=0A=0A(this=20is=20a=20tiny=20effect)=0A=0A=0A=0A=0A=0AIs=20there=20=
here=20again=20an=20environment=20variable=20to=20set?=0A=0A=0A=0ARegards,=0A=0A=
Bruno=0A=0A=0A=0A=0A=0A=20=0A=0A=