<div>antialiasing true/off works well, and what you have to do are:</div>
<div>&nbsp;</div>
<div>1. comment your &quot;OUTPUTFORMAT...END&quot;ONJECT, add &quot;IMAGETYPE PNG24&quot;</div>
<div>2. set &quot;TRANSPARENCY ALPHA&quot; in your layer object</div>
<div>3. set &quot;ANTIALIAS TRUE&quot; in style object.</div>
<div>&nbsp;</div>
<div>that's all!</div>
<div>&nbsp;</div>
<div>zhonghai</div>
<div>&nbsp;</div>
<div>17.05.2006<br>&nbsp;</div>
<div><span class="gmail_quote">On 5/17/06, <b class="gmail_sendername">Doyon, Jean-Francois</b> &lt;<a href="mailto:Jean-Francois.Doyon@ccrs.nrcan.gc.ca">Jean-Francois.Doyon@ccrs.nrcan.gc.ca</a>&gt; wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Interesting ... My reading of the docs suggests that TRANSPARENCY ALPHA<br>should only respect the alpha channel in pixmap symbols ...
<br><br>Yet apparently rendered line work (which isn't pixmap based) is also<br>&quot;smoothed&quot;?&nbsp;&nbsp;Is that right?<br><br>J.F.<br><br>-----Original Message-----<br>From: UMN MapServer Users List [mailto:<a href="mailto:MAPSERVER-USERS@lists.umn.edu">
MAPSERVER-USERS@lists.umn.edu</a>] On<br>Behalf Of ramesh karra<br>Sent: May 16, 2006 6:07 PM<br>To: <a href="mailto:MAPSERVER-USERS@lists.umn.edu">MAPSERVER-USERS@lists.umn.edu</a><br>Subject: Re: [UMN_MAPSERVER-USERS] Anti Aliasing
<br><br>Thanks steve!<br><br>I have upgraded to 4.8.3 and the roads/lines are smooth... Looks really<br>good.<br><br>Thanks<br>Ramesh<br><br>--- Steve Lime &lt;<a href="mailto:Steve.Lime@DNR.STATE.MN.US">Steve.Lime@DNR.STATE.MN.US
</a>&gt; wrote:<br><br>&gt; You need 4.8 or later to use antialiasing... ;-)<br>&gt;<br>&gt; &gt;&gt;&gt; ramesh karra &lt;<a href="mailto:karrarm@yahoo.com">karrarm@yahoo.com</a>&gt; 5/16/2006<br>&gt; 1:35:15 PM &gt;&gt;&gt;
<br>&gt; Thanks steve!<br>&gt;<br>&gt; I made the changes you suggested but I started getting script errors.<br>&gt; It looks like the errors are due to 'PNG24'. I am using Mapserver 4.6.<br>&gt; Do I need to use<br>&gt; 
4.8 or later to successfully use PNG24?<br>&gt;<br>&gt; Thanks<br>&gt; Krishna<br>&gt;<br>&gt; --- Steve Lime &lt;<a href="mailto:Steve.Lime@DNR.STATE.MN.US">Steve.Lime@DNR.STATE.MN.US</a>&gt; wrote:<br>&gt;<br>&gt; &gt; You need a couple of other things:
<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp; - a 24-bit output format (e.g. IMAGETYPE PNG24)<br>&gt; &gt;&nbsp;&nbsp; - alpha blending turned on for the layer (e.g.<br>&gt; &gt; TRANSPARENCY ALPHA)<br>&gt; &gt;<br>&gt; &gt; That should get it working...
<br>&gt; &gt;<br>&gt; &gt; Steve<br>&gt; &gt;<br>&gt; &gt; Stephen Lime<br>&gt; &gt; Data &amp; Applications Manager<br>&gt; &gt;<br>&gt; &gt; Minnesota DNR<br>&gt; &gt; 500 Lafayette Road<br>&gt; &gt; St. Paul, MN 55155<br>
&gt; &gt; 651-259-5473<br>&gt; &gt; &gt;&gt;&gt; ramesh karra &lt;<a href="mailto:karrarm@YAHOO.COM">karrarm@YAHOO.COM</a>&gt; 05/15/06 6:49<br>&gt; &gt; PM &gt;&gt;&gt;<br>&gt; &gt; Hi,<br>&gt; &gt;<br>&gt; &gt; I have added 'ANTIALIAS TRUE' to all my STYLE objects but I do not
<br>&gt; &gt; see any difference in the map that's displayed. I was hoping to see<br>&gt; &gt; smooth lines but there was no difference in the way<br>&gt; &gt; lines(representing<br>&gt; &gt; roads)<br>&gt; &gt; are drawn with or without anti-aliasing. Is this
<br>&gt; the<br>&gt; &gt; expected behavior? How can I get smooth lines?<br>&gt; &gt;<br>&gt; &gt; My layer is defined as follows:<br>&gt; &gt;<br>&gt; &gt; LAYER<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; NAME&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; roads<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; DATA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; droad1
<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; STATUS&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; OFF<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; TYPE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LINE<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; PROJECTION<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;init=epsg:4326&quot;<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; END<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; CLASS<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &quot;Roads&quot;
<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MAXSCALE&nbsp;&nbsp;&nbsp;&nbsp; 80000<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MINSCALE&nbsp;&nbsp;&nbsp;&nbsp; 20000<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; STYLE<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; ANTIALIAS&nbsp;&nbsp;&nbsp;&nbsp;TRUE<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; COLOR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;150 150 150<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; WIDTH&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; END
<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; STYLE<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; ANTIALIAS&nbsp;&nbsp;&nbsp;&nbsp;TRUE<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; COLOR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;255 255 255<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; WIDTH&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; END<br>&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; END<br>&gt; &gt; END<br>&gt; &gt;<br>&gt; &gt; __________________________________________________
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