[Mapserver-users] WMS Label Strangenss
craig.gould at bt.com
craig.gould at bt.com
Thu Apr 22 09:35:40 PDT 2004
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Stepan,
The labels disappear completely when I use the ANTIALIAS FALSE option
Craig.
-----Original Message-----
From: Stepan Kafka [mailto:stepan.kafka at centrum.cz]=20
Sent: 22 April 2004 15:16
To: Gould,CR,Craig,XGH6A C; mapserver-users at lists.gis.umn.edu
Subject: RE: [Mapserver-users] WMS Label Strangenss
=09
=09
Your layer uses anti-aliased fonts (to be smoother) as default option. =
Try set ANTIALIAS FALSE in the LABEL object:
=20
LABEL =20
FONT "arial"=20
TYPE TRUETYPE=20
SIZE 10=20
COLOR 0 0 0=20
POSITION cc=20
OFFSET 0 0
ANTIALIAS FALSE=20
END=20
=09
Stepan Kafka
Help Service Remote Sensing
tel: +420-327514118
mailto:kafka at email.cz
ICQ: 294002967
http://www.bnhelp.cz <http://www.bnhelp.cz/>=20
=09
-----P=F9vodn=ED zpr=E1va-----
Od: mapserver-users-admin at lists.gis.umn.edu =
[mailto:mapserver-users-admin at lists.gis.umn.edu]za u=BEivatele =
craig.gould at bt.com
Odesl=E1no: 22. dubna 2004 14:57
Komu: mapserver-users at lists.gis.umn.edu
P=F8edm=ECt: [Mapserver-users] WMS Label Strangenss
=09
=09
Folks,=20
Excuse me if I'm being daft here as I'm pretty new to this WMS stuff.=20
I have some layer labels coming through a WMS server that when =
displayed on the client map lose their focus and become off colour and =
fuzzy. They are supposed to be black, but appear in the final image as a =
mix of grey/white/black. Hopefully my image attachments will appear on =
the list. If not then please mail me for them if you know anything about =
this.
The WMS server is passing an image that looks just as it should, e.g.=20
<<1082638016134960.png>>=20
However, when this is placed on the client map the labels appear like =
this:=20
<<DEMO108263801613496.gif>>=20
Both maps are using the British National Grid projection epsg:27700.=20
My client map layer looks like this:=20
LAYER=20
NAME OS=20
TYPE RASTER=20
OFFSITE 0 0 0=20
STATUS DEFAULT=20
MAXSCALE 50000=20
MINSCALE 0 =20
CONNECTIONTYPE WMS=20
CONNECTION =
"http://132.146.248.79/OSMapServer/OSWMSMap.asp?map=3DC:\Inetpub\WWWRoot\=
OSMapServer\OS.map& =
<http://132.146.248.79/OSMapServer/OSWMSMap.asp?map=3DC:\Inetpub\WWWRoot\=
OSMapServer\OS.map&> "=20
METADATA=20
"wms_title" "OS"=20
"wms_name" "OS_Road"=20
"wms_server_version" "1.1.0"=20
"wms_srs" "epsg:27700"=20
"wms_format" "image/png"=20
"wms_map" "C:\Inetpub\WWWRoot\OSMapServer\OS.map"=20
END=20
END=20
[ For the sharp eyed among you, you may notice this is directed to an =
asp page. This redirects the request to the mapserv cgi-bin script with =
all the same parameters but without the epsg parameter as this is the =
only way I can get a client using projection 27700 and a server using =
the same projection to respond with a map. Mapserver crashes with a page =
fault otherwise! This is not restricted to just epsg 27700 - if the =
server/client has the same family of projection as 27700 this page fault =
will occurr. Not knowing enough about the projection code and being too =
dum to get it to compile on my own windoze machine I've failed to trace =
what's causing this problem ]
My server map layer looks like this:=20
LAYER=20
NAME "OS_Text"=20
TYPE POINT=20
CONNECTIONTYPE OGR=20
CONNECTION "C:\OS_Maps\SO\SOText.Tab"=20
STATUS DEFAULT=20
MAXSCALE 4000=20
LABELITEM 'Name'=20
METADATA=20
WMS_TITLE "OS_Text"=20
WMS_SRS "EPSG:27700"=20
END =20
CLASS=20
NAME "OS_Text"=20
COLOR 0 0 0=20
LABEL =20
FONT "arial"=20
TYPE TRUETYPE=20
SIZE 10=20
COLOR 0 0 0=20
POSITION cc=20
OFFSET 0 0=20
END=20
END=20
PROJECTION=20
"init=3Depsg:27700"=20
END=20
END=20
Many thanks=20
Craig.=20
Craig Gould
BT Exact
__________________________________________
British Telecommunications plc
Registered office: 81 Newgate Street London EC1A 7AJ
Registered in England no. 1800000=20
This electronic message contains information from British =
Telecommunications plc which may be privileged and confidential. The =
information is intended to be for the use of the individual(s) or entity =
named above. If you are not the intended recipient, be aware that any =
disclosure, copying, distribution or use of the contents of this =
information is prohibited. If you have received this electronic message =
in error, please notify us by telephone or email (to the number or =
address above) immediately.=20
Activity and use of the British Telecommunications plc email system is =
monitored to secure its effective operation and for other lawful =
business purposes. Communications using this system will also be =
monitored and may be recorded to secure effective operation and for =
other lawful business purposes
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<HTML><HEAD><TITLE>Message</TITLE>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-2">
<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR></HEAD>
<BODY>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D171163516-22042004>Stepan,</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
class=3D171163516-22042004>The=20
labels disappear completely when I use the ANTIALIAS FALSE=20
option</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D171163516-22042004>Craig.</SPAN></FONT></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr =
align=3Dleft><FONT=20
face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B> =
Stepan Kafka=20
[mailto:stepan.kafka at centrum.cz] <BR><B>Sent:</B> 22 April 2004=20
15:16<BR><B>To:</B> Gould,CR,Craig,XGH6A C;=20
mapserver-users at lists.gis.umn.edu<BR><B>Subject:</B> RE: =
[Mapserver-users] WMS=20
Label Strangenss<BR><BR></FONT></DIV>
<DIV>
<DIV><SPAN class=3D492331114-22042004><FONT face=3DArial><FONT =
color=3D#0000ff><FONT=20
size=3D2>Your layer <SPAN class=3D30021314-22042004>uses =
</SPAN>anti-aliased=20
fonts (to be smoother)<SPAN class=3D30021314-22042004> as default =
option</SPAN>.=20
Try set ANTIALIAS FALSE in the LABEL object<SPAN=20
class=3D30021314-22042004>:</SPAN></FONT></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=3D492331114-22042004><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN=20
=
class=3D492331114-22042004> &nbs=
p; =20
<FONT face=3D"Courier New" size=3D2>LABEL =20
</FONT><BR> =20
=20
<FONT face=3D"Courier New"=20
size=3D2>FONT "arial"</FONT> =
<BR> =20
=20
<FONT face=3D"Courier New"=20
size=3D2>TYPE TRUETYPE</FONT> =
<BR> =20
=20
<FONT face=3D"Courier New"=20
size=3D2>SIZE 10</FONT> <BR> =
=20
<FONT face=3D"Courier New"=20
size=3D2>COLOR 0 0 0</FONT> =
<BR> =20
=20
<FONT face=3D"Courier New"=20
size=3D2>POSITION cc</FONT> =
<BR> =20
=20
<FONT face=3D"Courier New"=20
size=3D2>OFFSET 0 0</FONT></SPAN></DIV>
<DIV><SPAN class=3D492331114-22042004><SPAN =
class=3D30021314-22042004><FONT=20
face=3D"Courier New"=20
=
size=3D2> &nbs=
p; <FONT=20
color=3D#ff0000>ANTIALIAS=20
=
FALSE</FONT></FONT></SPAN> <BR> &=
nbsp; =20
<FONT face=3D"Courier New" size=3D2>END</FONT> <BR></DIV></SPAN>
<DIV><SPAN class=3D492331114-22042004><FONT face=3DArial =
color=3D#0000ff size=3D2>
<P><FONT size=3D2>Stepan Kafka<BR>Help Service Remote Sensing<BR>tel:=20
+420-327514118<BR><A href=3D"mailto:kafka at email.cz"=20
target=3D_blank>mailto:kafka at email.cz</A><BR>ICQ: 294002967<BR><A=20
href=3D"http://www.bnhelp.cz/"=20
=
target=3D_blank>http://www.bnhelp.cz</A><BR></FONT></P></FONT></SPAN></DI=
V></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid">
<DIV class=3DOutlookMessageHeader><FONT face=3D"Times New Roman"=20
size=3D2>-----P=F9vodn=ED zpr=E1va-----<BR><B>Od:</B>=20
mapserver-users-admin at lists.gis.umn.edu=20
[mailto:mapserver-users-admin at lists.gis.umn.edu]<B>za =
u=BEivatele</B>=20
craig.gould at bt.com<BR><B>Odesl=E1no:</B> 22. dubna 2004 =
14:57<BR><B>Komu:</B>=20
mapserver-users at lists.gis.umn.edu<BR><B>P=F8edm=ECt:</B> =
[Mapserver-users] WMS=20
Label Strangenss<BR><BR></FONT></DIV><!-- Converted from text/rtf =
format -->
<P><FONT face=3DArial size=3D2>Folks,</FONT> </P>
<P><FONT face=3DArial size=3D2>Excuse me if I'm being daft here as =
I'm pretty=20
new to this WMS stuff.</FONT> </P>
<P><FONT face=3DArial size=3D2>I have some layer labels coming =
through a WMS=20
server that when displayed on the client map lose their focus and =
become off=20
colour and fuzzy. They are supposed to be black, but appear in the =
final=20
image as a mix of grey/white/black. Hopefully my image attachments =
will=20
appear on the list. If not then please mail me for them if you know =
anything=20
about this.</FONT></P>
<P><FONT face=3DArial size=3D2>The WMS server is passing an image =
that looks=20
just as it should, e.g.</FONT> <BR><FONT face=3DArial =
color=3D#000000=20
size=3D2><<1082638016134960.png>> </FONT></P>
<P><FONT face=3DArial size=3D2>However, when this is placed on the =
client map=20
the labels appear like this:</FONT> <BR><FONT face=3DArial =
color=3D#000000=20
size=3D2><<DEMO108263801613496.gif>> </FONT></P>
<P><FONT face=3DArial size=3D2>Both maps are using the British =
National Grid=20
projection epsg:27700.</FONT> </P>
<P><FONT face=3DArial size=3D2>My client map layer looks like =
this:</FONT> </P>
<P><FONT face=3D"Courier New" size=3D2>LAYER </FONT><BR><FONT =
face=3D"Courier New"=20
size=3D2> NAME OS</FONT> <BR><FONT face=3D"Courier =
New"=20
size=3D2> TYPE RASTER</FONT> <BR><FONT =
face=3D"Courier New"=20
size=3D2> OFFSITE 0 0 0</FONT> <BR><FONT =
face=3D"Courier New"=20
size=3D2> STATUS DEFAULT</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>MAXSCALE 50000</FONT> =
<BR> =20
<FONT face=3D"Courier New" size=3D2>MINSCALE 0 =20
</FONT><BR><FONT face=3D"Courier New" size=3D2> =
CONNECTIONTYPE=20
WMS</FONT> <BR><FONT face=3D"Courier New" =
size=3D2> CONNECTION=20
"</FONT><A=20
=
href=3D"http://132.146.248.79/OSMapServer/OSWMSMap.asp?map=3DC:\Inetpub\W=
WWRoot\OSMapServer\OS.map&"><U><FONT=20
face=3D"Courier New" color=3D#0000ff=20
=
size=3D2>http://132.146.248.79/OSMapServer/OSWMSMap.asp?map=3DC:\Inetpub\=
WWWRoot\OSMapServer\OS.map&</FONT></U></A><FONT=20
face=3D"Courier New" size=3D2>"</FONT> <BR><FONT face=3D"Courier =
New"=20
size=3D2> METADATA</FONT> <BR><FONT =
face=3D"Courier New"=20
size=3D2> "wms_title" "OS"</FONT> =
<BR><FONT=20
face=3D"Courier New" size=3D2> =
"wms_name"=20
"OS_Road"</FONT> <BR><FONT face=3D"Courier New"=20
size=3D2> "wms_server_version" =
"1.1.0"</FONT>=20
<BR><FONT face=3D"Courier New" =
size=3D2> "wms_srs"=20
"epsg:27700"</FONT> <BR><FONT face=3D"Courier New"=20
size=3D2> "wms_format" =
"image/png"</FONT>=20
<BR><FONT face=3D"Courier New" =
size=3D2> "wms_map"=20
"C:\Inetpub\WWWRoot\OSMapServer\OS.map"</FONT> <BR><FONT =
face=3D"Courier New"=20
size=3D2> END</FONT> <BR><FONT face=3D"Courier =
New"=20
size=3D2>END</FONT> </P>
<P><FONT face=3DArial size=3D2>[ For the sharp eyed among you, you =
may notice=20
this is directed to an asp page. This redirects the request to the =
mapserv=20
cgi-bin script with all the same parameters but without the epsg =
parameter=20
as this is the only way I can get a client using projection 27700 =
and a=20
server using the same projection to respond with a map. Mapserver =
crashes=20
with a page fault otherwise! This is not restricted to just epsg =
27700 - if=20
the server/client has the same family of projection as 27700 this =
page fault=20
will occurr. Not knowing enough about the projection code and being =
too dum=20
to get it to compile on my own windoze machine I've failed to trace =
what's=20
causing this problem ]</FONT></P><BR>
<P><FONT face=3DArial size=3D2>My server map layer looks like =
this:</FONT> </P>
<P><FONT face=3D"Courier New" size=3D2>LAYER</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>NAME =
=20
"OS_Text"</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>TYPE =
=20
POINT</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>CONNECTIONTYPE OGR</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>CONNECTION =20
=
"C:\OS_Maps\SO\SOText.Tab"</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>STATUS =20
DEFAULT</FONT> <BR> <FONT=20
face=3D"Courier New" =
size=3D2>MAXSCALE =20
4000</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>LABELITEM =20
'Name'</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>METADATA</FONT> =
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>WMS_TITLE "OS_Text"</FONT>=20
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>WMS_SRS "EPSG:27700"</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>END =20
</FONT><BR> <FONT=20
face=3D"Courier New" size=3D2>CLASS</FONT>=20
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>NAME "OS_Text"</FONT> =
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>COLOR 0 0 0</FONT> =
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>LABEL =
</FONT><BR> =20
=20
<FONT face=3D"Courier =
New"=20
size=3D2>FONT "arial"</FONT> =
<BR> =20
=20
<FONT face=3D"Courier =
New"=20
size=3D2>TYPE TRUETYPE</FONT> =
<BR> =20
=20
<FONT face=3D"Courier =
New"=20
size=3D2>SIZE 10</FONT> =
<BR> =20
=20
<FONT face=3D"Courier =
New"=20
size=3D2>COLOR 0 0 0</FONT> =
<BR> =20
=20
<FONT face=3D"Courier =
New"=20
size=3D2>POSITION cc</FONT> =
<BR> =20
=20
<FONT face=3D"Courier =
New"=20
size=3D2>OFFSET 0 0</FONT> =
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>END</FONT> <BR> =
<FONT=20
face=3D"Courier New" size=3D2>END</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>PROJECTION</FONT> =
<BR> =20
<FONT face=3D"Courier =
New"=20
size=3D2>"init=3Depsg:27700"</FONT>=20
<BR> <FONT face=3D"Courier =
New"=20
size=3D2>END </FONT><BR><FONT face=3D"Courier New" =
size=3D2>END</FONT> </P><BR>
<P><FONT face=3DArial size=3D2>Many thanks</FONT> <BR><FONT =
face=3DArial=20
size=3D2>Craig.</FONT> </P><BR><BR><BR>
<P><SPAN lang=3Den-gb><B><FONT face=3D"Times New Roman" =
size=3D2>Craig Gould<BR>BT=20
Exact<BR></FONT></B><FONT face=3D"Times New Roman"=20
=
size=3D2>__________________________________________<BR></FONT><B><FONT=20
face=3D"Times New Roman" size=3D2>British Telecommunications =
plc<BR>Registered=20
office: 81 Newgate Street London EC1A 7AJ<BR>Registered in England =
no.=20
1800000</FONT></B> </SPAN><BR><SPAN lang=3Den-gb><B><FONT=20
face=3D"Times New Roman" size=3D2>This electronic message contains =
information=20
from British Telecommunications plc which may be privileged and=20
confidential. The information is intended to be for the use of the=20
individual(s) or entity named above. If you are not the intended =
recipient,=20
be aware that any disclosure, copying, distribution or use of the =
contents=20
of this information is prohibited. If you have received this =
electronic=20
message in error, please notify us by telephone or email (to the =
number or=20
address above) immediately.</FONT><FONT face=3D"Times New =
Roman"></FONT></B>=20
</SPAN></P>
<P><SPAN lang=3Den-gb><B><FONT face=3D"Times New Roman" =
size=3D2>Activity and use=20
of the British Telecommunications plc email system is monitored to =
secure=20
its effective operation and for other lawful business purposes.=20
Communications using this system will also be monitored and may be =
recorded=20
to secure effective operation and for other lawful business=20
=
purposes</FONT></B></SPAN></P><BR></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML=
>
=00
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