[Mapserver-users] would like some help to dynamically change the size of TTF fonts using php mapscript
Stephen Clark
stephen.clark at focus.ca
Tue Feb 3 20:03:30 EST 2004
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Hi all,
Below is a piece of code that I am working on to change the size of =
labels. The label size does not change using either condition:
1. $new_label_size =3D $label_size * 2;
or
2. $new_label_size =3D 40;
Is there some function I am missing like a set(...) function ??
if (some condition)
{
print " <i> The layer is : $layer->name </i> <br>";
$class =3D $layer->getClass(0);
$label_size =3D $class->label->size;
print " <i> The old label size is : $label_size </i> <br>";
//$new_label_size =3D $label_size * 2;
$new_label_size =3D 40;
$class->label->size =3D $new_label_size;
print " <i> The new label size is : $new_label_size </i> <br>";
}
The layer :
LAYER
NAME "my_text"
STATUS OFF
DATA "d:/layer/TEXT_text"
TYPE ANNOTATION
LABELITEM "TEXTSTRING"
CLASS
COLOR 255 255 0
LABEL
MINFEATURESIZE 40
MINDISTANCE 150
POSITION CC
COLOR 255 255 0
FONT arial
TYPE truetype
SIZE 10
FORCE TRUE
END
END
METADATA
WMS_TITLE "Miscellaneous Text"
WMS_ABSTRACT "N/A"
WMS_SRS "EPSG:26910"
END
END
thanks
Stephen
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.2800.1276" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY>
<DIV><FONT face=3DArial size=3D2>Hi all,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Below is a piece of code that I am =
working on to=20
change the size of labels. The label size does not change using =
either=20
condition:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>1. $new_label_size =3D $label_size * =
2;</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>or</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>2. $new_label_size =
=3D=20
40;</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Is there some function I am missing =
like a set(...)=20
function ??</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT><FONT face=3DArial =
size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT><FONT face=3DArial =
size=3D2></FONT> </DIV>
<DIV>
<P><FONT face=3DArial size=3D2>if (some condition)</FONT></P>
<P><FONT face=3DArial size=3D2>{</FONT></P>
<P><FONT face=3DArial size=3D2> print " <i> The =
layer is :=20
$layer->name </i> <br>";</FONT></P>
<P><FONT face=3DArial size=3D2> $class =3D=20
$layer->getClass(0);</FONT></P>
<P><FONT face=3DArial size=3D2> $label_size =3D=20
$class->label->size;</FONT></P>
<P><FONT face=3DArial size=3D2> print " <i> The =
old label=20
size is : $label_size </i> <br>";</FONT></P>
<P><FONT face=3DArial size=3D2> //$new_label_size =3D =
$label_size *=20
2;</FONT></P>
<P><FONT face=3DArial size=3D2> $new_label_size =3D =
40;</FONT></P>
<P><FONT face=3DArial size=3D2> =
$class->label->size =3D=20
$new_label_size;</FONT></P>
<P><FONT face=3DArial size=3D2> print " <i> The =
new label=20
size is : $new_label_size </i> <br>";</FONT></P>
<P><FONT face=3DArial size=3D2>}</FONT></P>
<P><FONT face=3DArial size=3D2></FONT> </P>
<P><FONT face=3DArial size=3D2>The layer :</FONT></P>
<P><FONT face=3DArial size=3D2></FONT> </P>
<P><FONT face=3DArial size=3D2>LAYER<BR> NAME =
"my_text"<BR><BR> STATUS=20
OFF<BR> DATA "d:/layer/TEXT_text"<BR> TYPE =
ANNOTATION<BR> =20
LABELITEM "TEXTSTRING"<BR> CLASS<BR> COLOR 255 =
255=20
0<BR> LABEL<BR> =
MINFEATURESIZE=20
40<BR> MINDISTANCE=20
150<BR> POSITION=20
CC<BR> COLOR 255 255 0</FONT></P>
<P><FONT face=3DArial size=3D2> FONT=20
arial<BR> TYPE=20
truetype<BR> SIZE=20
10<BR> FORCE TRUE<BR> =20
END<BR> END</FONT></P>
<P><FONT face=3DArial size=3D2> METADATA<BR> =
WMS_TITLE=20
"Miscellaneous Text"<BR> WMS_ABSTRACT=20
"N/A"<BR> WMS_SRS "EPSG:26910"<BR> =
END</FONT></P><FONT=20
face=3DArial size=3D2>
<P><BR>END</P>
<P> </P>
<DIV><FONT face=3DArial size=3D2>thanks</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Stephen</FONT></DIV>
<P></FONT> </P></DIV></BODY></HTML>
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