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sorry for actually not answering your questions. I give it a shot
now:<br>
<br>
(a) GeoServer should not transform your data into a different
system. When I look at my Chilean data ("Layers" list in GeoServer
> Native SRS), they are still in the uploaded CRS (EPSG 32719),
or in EPSG:4326 for data from OpenStreetMap.<br>
<br>
(b) it may be that GeoServer does not understand the EPSG you have
and therefore use another projection.<br>
<br>
(c) if you display your GeoNode data, the GeoExplorer client should
request the data in the Google Projection (forgo the EPSG code) to
be able to overlay it with the Tiles from base map providers. So,
the CRS that your data have when you request the data, depends on
your client / request to GeoServer.<br>
<br>
stefan<br>
<br>
<div class="moz-cite-prefix">On 06/16/2015 04:16 PM, Stefan
Steiniger wrote:<br>
</div>
<blockquote cite="mid:55807622.70904@geo.uzh.ch" type="cite">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
Hi Daniel (thanks for re-routing back to the list)<br>
<br>
If it is indeed the projection, then the problem is with GeoServer
and the projection library used (geotools?). <br>
So, I doubt that parsing the code is the problem, but the
parameters set in GeoServer, and not with GeoNode.<br>
<br>
see this too:<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://docs.geoserver.org/stable/en/user/advanced/crshandling/customcrs.html">http://docs.geoserver.org/stable/en/user/advanced/crshandling/customcrs.html</a>
<br>
<br>
cheers from Santiago de Chile,<br>
stefan<br>
<br>
<div class="moz-cite-prefix">On 06/16/2015 03:59 PM, Daniel
Victoria wrote:<br>
</div>
<blockquote
cite="mid:CA+irsJgrqYsBmKhgYTT5WAifwEz2_JgRdnnHfcVNNZzudpzOKA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>
<div>
<div>
<div>
<div>-- replying to the list --<br>
<br>
</div>
Hi Stefan,<br>
<br>
</div>
Thanks for the input. EPSG:4618 is a geographic
coordinate system based on the South American Datum. And
apparently somewhere GeoNode is not liking this
coordinate system. If I convert the data to EPSG:4326 in
QGis prior to uploading, it all works fine. Could it be
that QGIS understands the .prj file for the EPSG:4618
but GeoNode does not and assumes EPSG:4326?<br>
<br>
</div>
By looking at the ISO metadata from the EPSG:4618 layer,
it tells me that the data is in EPSG:4326. Does GeoNode
converts the SRS on layer upload? Or is that telling me
that my projection file was bogus?<br>
<br>
</div>
Thanks<br>
</div>
Daniel<br>
<div>
<div>
<div><br>
<br>
</div>
</div>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jun 16, 2015 at 2:29 PM,
Stefan Steiniger <span dir="ltr"><<a
moz-do-not-send="true" href="mailto:sstein@geo.uzh.ch"
target="_blank">sstein@geo.uzh.ch</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF"> perhaps a silly
question:<br>
<br>
(a) are you indeed having the same coordinate system
(same prj files?) for both shape files?<br>
(b) what happens if you not use epsg:4618 but some UTM?
(sorry can't figure exactly what 4618 is... it looks
like geographic coordinates, so perhaps a projection
makes sense)<br>
<br>
see also this: <a moz-do-not-send="true"
href="http://wiki.osgeo.org/wiki/Brazilian_Coordinate_Reference_Systems"
target="_blank">http://wiki.osgeo.org/wiki/Brazilian_Coordinate_Reference_Systems</a><br>
<br>
cheers,<br>
stefan
<div>
<div class="h5"><br>
<br>
<div>On 06/16/2015 11:26 AM, Daniel Victoria wrote:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div class="h5">
<div dir="ltr">
<div>
<div>
<div><span><br>
<div class="gmail_chip gmail_drive_chip"
style="width:396px;min-height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px
solid #ddd;line-height:1"><a
moz-do-not-send="true"
href="https://drive.google.com/file/d/0B5VE16NDdlfERE5yenZNaHY2bTA/edit?usp=drive_web"
style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px
0px;border:medium none;width:100%"
target="_blank"><img
moz-do-not-send="true"
style="vertical-align:bottom;border:none"
src="https://ssl.gstatic.com/docs/doclist/images/icon_10_generic_list.png"> <span
dir="ltr"
style="color:#15c;text-decoration:none;vertical-align:bottom">point_error.7z</span></a></div>
<br>
<div class="gmail_chip gmail_drive_chip"
style="width:396px;min-height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px
solid #ddd;line-height:1"><a
moz-do-not-send="true"
href="https://drive.google.com/file/d/0B5VE16NDdlfEaGNHZ2ZSU0RjMHM/edit?usp=drive_web"
style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px
0px;border:medium none;width:100%"
target="_blank"><img
moz-do-not-send="true"
style="vertical-align:bottom;border:none"
src="https://ssl.gstatic.com/docs/doclist/images/icon_9_archive_list.png"> <span
dir="ltr"
style="color:#15c;text-decoration:none;vertical-align:bottom">TC_AC_2010_00167.zip</span></a></div>
</span>I've got two shapefiles with
epsg:4618. One is a polygon layer with
loads of geometry errors and the second is
a point layer with the error location.
When I load both in QGIS, polygons and
errors are aligned (layers_qgis.png). I
then uploaded the layers to GeoNode
(2.4b24) and points and polygons have
shifted (layers_geonode.png).<br>
<br>
I then added back the two layers in QGis
using WMS services. The points layer
shifted a little (~8 meters -
point_error.png) but polygons shifted 69 m
(poly_error.png).<br>
<br>
Any idea what could be wrong?<br>
</div>
The shapefiles (poligon and points) can be
downloaded from the google drive links<br>
<br>
</div>
Thanks<br>
</div>
Daniel<br>
</div>
<br>
<fieldset></fieldset>
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