<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
I will be away for a while so I cannot do that right now. However, I can do that probably early next week.</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
If it helps, I just tried WMS request to generate both png and mvt and I got the similar result:</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
1. WMS request with FORMAT set to image/png </div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span> - I got a png image with 50k points drawn)</span></div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span><br>
</span>
<div>mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&layers=nodes&width=800&height=600&srs=epsg:3857&STYLES=&bbox=-8979930,4769116,-8362889,5173075&FORMAT=image/png<br>
</div>
<div><br>
</div>
<div>2. <span style=" background-color: rgb(255, 255, 255); display: inline !important">WMS request with application/x-protobuf</span></div>
<div><span style=" background-color: rgb(255, 255, 255); display: inline !important"> - got the same result like the following:</span></div>
<div><span style=" background-color: rgb(255, 255, 255); display: inline !important"> <span><br>
</span><span> nodesIdName(€ x</span></span></div>
<div><br>
</div>
<span><a href="http://xxx.com/cgi-bin/mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&layers=nodes&width=800&height=600&srs=epsg:3857&STYLES=&bbox=-8979930,4769116,-8362889,5173075&FORMAT=application/x-protobuf" id="LPlnk113228">mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&layers=nodes&width=800&height=600&srs=epsg:3857&STYLES=&bbox=-8979930,4769116,-8362889,5173075&FORMAT=application/x-protobuf</a></span><br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Thanks,</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Caleb</div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Rahkonen Jukka (MML) <jukka.rahkonen@maanmittauslaitos.fi><br>
<b>Sent:</b> Wednesday, August 8, 2018 12:00 PM<br>
<b>To:</b> Caleb Lee; mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> Re: Getting an empty MVT output for a point layer</font>
<div> </div>
</div>
<meta content="text/html; charset=iso-8859-1">
<meta name="x_Generator" content="Microsoft Word 15 (filtered medium)">
<style>
<!--
@font-face
{font-family:"Cambria Math"}
@font-face
{font-family:Calibri}
p.x_MsoNormal, li.x_MsoNormal, div.x_MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman",serif}
a:x_link, span.x_MsoHyperlink
{color:#0563C1;
text-decoration:underline}
a:x_visited, span.x_MsoHyperlinkFollowed
{color:#954F72;
text-decoration:underline}
p
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman",serif}
span.x_Shkpostityyli18
{font-family:"Calibri",sans-serif;
color:#1F497D}
.x_MsoChpDefault
{font-size:10.0pt}
@page WordSection1
{margin:70.85pt 2.0cm 70.85pt 2.0cm}
div.x_WordSection1
{}
-->
</style>
<div lang="FI" link="#0563C1" vlink="#954F72">
<div class="x_WordSection1">
<p class="x_MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Hi,</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">We do not have your data for testing but please modify your mapfile a bit and make it to work with some public dataset, like Natural Earth populated
places <a href="https://www.naturalearthdata.com/http/www.naturalearthdata.com/download/110m/cultural/ne_110m_populated_places.zip">
https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/cultural/ne_110m_populated_places.zip</a>?</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">-Jukka Rahkonen.</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"> </span></p>
<div>
<div style="border:none; border-top:solid #E1E1E1 1.0pt; padding:3.0pt 0cm 0cm 0cm">
<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Lähettäjä:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> mapserver-users [mailto:mapserver-users-bounces@lists.osgeo.org]
<b>Puolesta </b>Caleb Lee<br>
<b>Lähetetty:</b> 8. elokuuta 2018 17:47<br>
<b>Vastaanottaja:</b> mapserver-users@lists.osgeo.org<br>
<b>Aihe:</b> [mapserver-users] Getting an empty MVT output for a point layer</span></p>
</div>
</div>
<p class="x_MsoNormal"> </p>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">I am using MapServer 7.2.0 to generate mvt for two layers (one line layer and one point layer). I am able to generate mvt output for a line layer but is having problem with a
point layer. The mvt output is kind of empty (just contains layer name and column names). I am getting correct geojson outputs for both layers using WFS.</span></p>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">Here is the URL that I use to get MVT output:</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&mode=tile&tilemode=gmap&tile=18+24+6&layers=nodes&map.imagetype=mvt</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">Here is the map file:</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">MAP</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> EXTENT -9036156 4707746 -8243569 5174793</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> CONFIG "PROJ_LIB" "D:\proj\SHARE"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> NAME "TestMap"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> WEB</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> METADATA</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "ows_enable_request" "*"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> PROJECTION</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "init=epsg:3857"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> OUTPUTFORMAT</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> NAME "mvt"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> DRIVER MVT</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> FORMATOPTION "EDGE_BUFFER=20"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> LAYER</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> NAME "nodes"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> TYPE POINT</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> STATUS DEFAULT</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> CONNECTIONTYPE PLUGIN</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> PLUGIN "msplugin_mssql2008.dll"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> CONNECTION "Connection to SQL Server Spatial"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> DATA "GeomCol from MyTable USING UNIQUE id USING SRID=3857"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> CLASS</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> STYLE</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> COLOR 0 0 0</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> PROJECTION</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "+init=epsg:3857"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> METADATA</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "wfs_title" "WFS service for Nodes"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "wfs_srs" "EPSG:3857 EPSG:4326"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "wfs_abstract" "WFS service for Nodes"
</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "wfs_enable_request" "*" </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> "gml_include_items" "all"</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">END</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">With almost an identical map file and an url (layer name and table name differ), I am getting a good mvt output for my line layer.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black"> </span></p>
</div>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif; color:black">Any suggestions would be greatly appreciated.</span></p>
</div>
</div>
</div>
</body>
</html>