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<div class="moz-cite-prefix">Hi Philippe<br>
<br>
In the nightly build, it is possible to have a composer scale bar
in km for maps in degrees. The scalebar however only shows the
scale near the bottom left of the composer map (the scale is not
constant in maps in degrees, as others already noted).<br>
<br>
Regards,<br>
Marco<br>
<br>
Am 16.04.2013 22:01, schrieb Philippe Puig:<br>
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<p class="MsoNormal">I am the poster of this question and I want
to thank all those who took the time to answer it.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">My problem is not trivial for two reasons:</p>
<p class="MsoListParagraph"><span>-<span> </span></span>I
work in the Northern Territory (NT), in Australia. The western
part of the NT is in UTM zone 52 and the eastern part in UTM
zone 53;</p>
<p class="MsoListParagraph"><span>-<span> </span></span>maps
I create often straddle the zone 52/zone 53 boundary and
cannot be in m using our standard projections; </p>
<p class="MsoListParagraph"><span>-<span> </span></span>most
baseline GIS work in the Northern Territory is carried out by
the Government in ArcGIS. ArcGIS allows to display a scale
bar in km on a map in degrees and therefore most map users
here expect to have a km scale bar on degrees maps.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I work for a small independent organisation
focused on natural resource management. </p>
<p class="MsoNormal">I decided that our GIS would be entirely
based on freeware.</p>
<p class="MsoNormal">I chose QGIS as our main GIS software.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">As I am often expected to emulate ArcGIS,
the scale bar issue matters to me. </p>
<p class="MsoNormal">Now I know that QGIS does not offer the km
scale bar possibility offered by ArcGIS.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I will therefore use a work around
consisting in creating grids of suitable mesh size (eg 100
km) in both UTM 52 and UTM 53. I will then reproject them in
DA94 (the Australian standard degrees CRS) and merge them in
GA 94 as a single grid which I will use as a guide to create
(approximate) km scale bars in my GDA94 maps. </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Philippe</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
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<br>
<br>
<pre class="moz-signature" cols="72">--
Dr. Marco Hugentobler
Sourcepole - Linux & Open Source Solutions
Weberstrasse 5, CH-8004 Zürich, Switzerland
<a class="moz-txt-link-abbreviated" href="mailto:marco.hugentobler@sourcepole.ch">marco.hugentobler@sourcepole.ch</a> <a class="moz-txt-link-freetext" href="http://www.sourcepole.ch">http://www.sourcepole.ch</a>
Technical Advisor QGIS Project Steering Committee</pre>
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