<div dir="auto">Have you tried a larger edge buffer? I suppose that’s tough to to test given the randomness. I’ll check my settings on a similar setup when I’m in the office tomorrow and let you know. It would be interesting to see the corresponding metatile to see if the label is whole there. I wouldn’t think so but having a reproducible test case would help immensely.</div><div dir="auto"><br></div><div dir="auto">Anyone know how to compute a metatile URL for a given tile x/y/z?</div><div dir="auto"><br></div><div dir="auto">—Steve</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 31, 2022 at 10:16 AM Thomas Ellett von Brasch <<a href="mailto:Thomas.Ellett@kartverket.no">Thomas.Ellett@kartverket.no</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span lang="EN-GB">Hi all,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">I'm really struggling to fix a longstanding issue with clipped labels in a couple of our wmts services.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">I've tried following the mapserver/mapcache docs and numerous variations of different attributes, but with no luck.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">The main problem bug fixing is that the issue seems to be quite random, just popping up here and there.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Examples can be seen in these urls:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><a href="https://norgeskart.no/#!?project=norgeskart&layers=1002&zoom=11&lat=6879652.31&lon=167744.51" target="_blank">https://norgeskart.no/#!?project=norgeskart&layers=1002&zoom=11&lat=6879652.31&lon=167744.51</a><u></u><u></u></span></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">(the 'Stor rar' and 'S' names in the centre of the map)</span><span lang="EN-GB"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><a href="https://norgeskart.no/#!?project=norgeskart&layers=1002&zoom=6&lat=6440416.41&lon=127931.07" target="_blank">https://norgeskart.no/#!?project=norgeskart&layers=1002&zoom=6&lat=6440416.41&lon=127931.07</a>
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">('Kristiansan' , which should be 'Kristiansand')<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have "labelcache_map_edge_buffer" "10" in the mapfile and <metabuffer>10</metabuffer> set in the mapcache file.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">In the source WMS, the placenames layers are line layers (with very small line geometries used just to give curved lines) and the layers (we have several name layers for the different zoom levels, but they're all set
up in the same way) look like (truncated):<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">LAYER<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">NAME "N100Stedsnavn" <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">PROCESSING "CLOSE_CONNECTION=DEFER" <u></u>
<u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">PROCESSING "LABEL_NO_CLIP=True"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">TYPE LINE<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> CLASS<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> NAME "N100 Stedsnavn"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> EXPRESSION ([fmx_rotation] != 0)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> LABEL<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> <b>PARTIALS FALSE<u></u><u></u></b></span></p>
<p class="MsoNormal"><span lang="EN-GB"> <b>ANGLE follow<u></u><u></u></b></span></p>
<p class="MsoNormal"><span lang="EN-GB"> ANTIALIAS TRUE<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> FONT "verdana"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> SIZE [fontsize]<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> COLOR [geodb_color]<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> ENCODING "UTF-8"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> PRIORITY [fontsize]<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> <b>FORCE FALSE<u></u><u></u></b></span></p>
<p class="MsoNormal"><span lang="EN-GB"> MINDISTANCE 50<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> OUTLINECOLOR 254 254 254
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> POSITION [horizontalalignment]<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> TYPE TRUETYPE<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> END <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> TEXT "[textstring]"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> END <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">END<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">And the tileset definition in the mapcache config file looks like:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><tileset name="norgeskart_bakgrunn"><u></u><u></u></p>
<p class="MsoNormal"> <source>norgeskart_bakgrunn</source><u></u><u></u></p>
<p class="MsoNormal"> <cache>norgeskart_bakgrunn</cache><u></u><u></u></p>
<p class="MsoNormal"> <metadata><u></u><u></u></p>
<p class="MsoNormal"> <title>Topografisk Norgeskart og dybdedata og svalbard minus matrikkel</title><u></u><u></u></p>
<p class="MsoNormal"> <span lang="EN-GB"><abstract>Cache for Norgeskart</abstract><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></metadata><u></u><u></u></p>
<p class="MsoNormal"> <grid>googlemaps</grid><u></u><u></u></p>
<p class="MsoNormal"> <grid>utm33n</grid><u></u><u></u></p>
<p class="MsoNormal"> <format>PNG</format><u></u><u></u></p>
<p class="MsoNormal"> <b><metatile>8 8</metatile><u></u><u></u></b></p>
<p class="MsoNormal"><b> </b><b><span lang="EN-GB"><metabuffer>10</metabuffer><u></u><u></u></span></b></p>
<p class="MsoNormal"><span lang="EN-GB"></tileset><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Is it possible the metatiles being used in the original seed job and later seeding jobs are different somehow?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Given that the labelcache_map_edge_buffer is set (along with metabuffer) and we have PARTIALS FALSE in the mapfile, I didn't think that cut labels would be possible?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Any thoughts or ideas would be great </span>
<span lang="EN-GB" style="font-family:Wingdings">J<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thanks in advance!</span><span lang="EN-GB" style="color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Tom<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
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<span style="color:#1f497d"><img border="0" src="cid:18435e751fb155f77111" alt="cid:image001.jpg@01D3A415.20CB4FE0" style="width:89px;max-width:100%"></span><span style="font-size:12.0pt;line-height:105%;color:#1f497d"><u></u><u></u></span></p>
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<b><span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040">Tom Ellett von Brasch</span></b><span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040"><br>
Sjefsingeniør<br>
<b>Geodatatjenester</b><u></u><u></u></span></p>
<p class="MsoNormal" style="line-height:105%">
<span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040">Direkte: 32 11 84 73
<u></u><u></u></span></p>
<p class="MsoNormal" style="line-height:105%">
<span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040">Mobil: 45806402<u></u><u></u></span></p>
<p class="MsoNormal" style="line-height:105%">
<span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040">E-post:
<a href="mailto:thomas.ellett@kartverket.no" target="_blank">thomas.ellett@kartverket.no</a><u></u><u></u></span></p>
<p class="MsoNormal" style="line-height:105%">
<span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040"><br>
Tlf. sentralbord: 32 11 80 00<br>
</span><a href="http://www.kartverket.no/" target="_blank"><span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:blue">www.kartverket.no</span></a><span style="font-size:8.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#404040"><u></u><u></u></span></p>
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