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This is usually a bounds or projection issue.<br>
<br>
Make sure your map and datasource have the correct (preferably same)
coordinate system.<br>
Also make sure that the extent on the map is et correctly.<br>
<br>
The layer preview is known to be a bit shaky, because the data extents
are reported<br>
incorrectly by some FeatureProviders.<br>
<br>
Also, be sure to check the MapGuide error log for messages.<br>
<br>
<pre class="moz-signature" cols="72">Regards, Kenneth Skovhede, GEOGRAF A/S
</pre>
<br>
<br>
Andre Schoonbee skrev:
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<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Hi
List<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">I
have instelled MGOS 2.0.2, postgresql 8.3 and posgis 1.3.6 and
FDO postgis 3.3.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">I
had gps points in access, and imported that into a postgis
table. I then executed the following lines to generate the geometry
column.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal">SELECT AddGeometryColumn( 'public', ‘ruwis2’,
'the_geom', 4326, 'POINT', 2 );<o:p></o:p></p>
<p class="MsoNormal">UPDATE waterpoints2 SET the_geom =
PointFromText('POINT(' ||
gps_e || ' ' || gps_s || ')',4326);<o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">I
can connect to the database using maestro and have added the
points layer. When viewing the postgis data in QGis, it apreas fine.</span><span
style="font-size: 10pt; font-family: "Verdana","sans-serif";"> <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Now,
when trying to display this layer information in either the
layer preview, or in a map, nothing is displaying. Any ideas?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Andre<o:p></o:p></span></p>
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