<p class="MsoNormal"><span lang="EN-US">Hi Group!</span></p>
<p class="MsoNormal"><span lang="EN-US">I will
begin this post with a disclaimer. This is no advertisement, or endorsed
statement. I intend it as friendly advice to fellow professionals, for the good
of the industry and our reputation.</span></p>
<p class="MsoNormal"><span lang="EN-US"><br></span></p><p class="MsoNormal"><span lang="EN-US">Many posts
on this list come from users who struggle to move geodata between software
systems or projections and coordinate systems. Several times a week or even per
day, more or less tricky conversion problems are aired. This is a good thing.
It shows that more people are using more geodata, and wants to combine data
from various sources. This is one important purpose of a GIS.</span></p>
<p class="MsoNormal"><span lang="EN-US"><br></span></p><p class="MsoNormal"><span lang="EN-US">However,
format conversion and coordinate transformation can be tricky business. If
performed improperly, or with inadequate tools, mistakes can result in loss of
information, or distorted or misplaced features. Such errors may be apparent, but
can also go unnoticed, and later reflect badly on the person or institution
that supplied the data.</span></p>
<p class="MsoNormal"><span lang="EN-US">While I
appreciate that all data handling tips on this list are given in good faith, I
have seen those that are outright wrong, difficult or even dangerous, and not
in line with what I judge to be Good Practice of our trade.</span></p><p class="MsoNormal"><span lang="EN-US"><br> </span></p>
<p class="MsoNormal"><span lang="EN-US">There is
really only one professional and system independent tool for all kinds of
spatial data conversion, and that is FME from Safe Software. I would recommend
no other. Only FME can safely handle the multitude of coordinate systems and
the ever-evolving types and versions of file formats. Add to that the ability
to extract, validate and combine data from different sources into a single workflow.
The Workbench, where you graphically build your workflow is one of the best
GUI:s I know.<span> </span>You can build very
complicated workflows and save them for later use. For recurring conversion
tasks, this ensures that each data transfer is performed exactly like
before.<span> </span>Workbench files can be built by
FME and GIS pros, and distributed for the use of others who just needs a task
done. </span></p>
<p class="MsoNormal"><span lang="EN-US"><br></span></p><p class="MsoNormal"><span lang="EN-US">Quality
does not come cheap, and I realize that the cost of FME can seem prohibitive. However,
if you take into account the time and effort that people must use to try to
tweak this tool here, or find that script there, with perhaps unpredictable results;
you may find that the money for an FME license is well spent. On the other hand,
consider the risk that lost or distorted information leads to costly damage
further on in the chain.</span></p>
<p class="MsoNormal"><span lang="EN-US">Whenever I
attend a seminar or conference on GIS/GIT/mapping and surveying, people mention
FME as an everyday tool:<span> </span>“Oh, and then
we of course have some FME scripts to process the data.” </span></p>
<p class="MsoNormal"><span lang="EN-US">The support
from Safe Software is excellent. They depend on that their tools can be used,
so problems and suggestions for improvement are dealt with promptly and kindly.
There is always a fresh beta build available to try out the latest fixes or
additions.</span></p>
<p class="MsoNormal"><span lang="EN-US">Visit <a href="http://www.safe.com" target="_blank">www.safe.com</a><span onmouseout="cancel = false; window.setTimeout(WRCHideContent, 1000); clearTimeout(showTimer);" onmouseover=" var self = this; showTimer = window.setTimeout(function(){WRCShowContent({'rating':{'value':-1,'weight':-1},'flags':{'shopping':null,'social':null,'news':null,'it':null,'corporate':null,'pornography':null,'violence':null,'gambling':null,'drugs':null,'illegal':null},'single':true,'ttl':null}, self.className)},600);" class="wrc0" style="padding-right:16px;width:16px;height:16px"></span> to find out more, and note that any
flavor of FME Desktop can be downloaded for a free 14 day trial.</span></p>
<p class="MsoNormal"><span lang="EN-US"></span></p>
<br>Best Regards, Mats.E<br>______________________________________________<br>GisKraft, GIS och webkonsult<br>Mats Elfström, Väpplingvägen 21, SE-227 38 LUND, Sweden<br>tel: <a href="tel:%2B46%2070%20595%2039%2035" value="+46705953935" target="_blank">+46 70 595 39 35</a> / web: <a href="http://www.giskraft.com" target="_blank">www.giskraft.com</a><span onmouseout="cancel = false; window.setTimeout(WRCHideContent, 1000); clearTimeout(showTimer);" onmouseover=" var self = this; showTimer = window.setTimeout(function(){WRCShowContent({'rating':{'value':-1,'weight':-1},'flags':{'shopping':null,'social':null,'news':null,'it':null,'corporate':null,'pornography':null,'violence':null,'gambling':null,'drugs':null,'illegal':null},'single':true,'ttl':null}, self.className)},600);" class="wrc0" style="padding-right:16px;width:16px;height:16px"></span><br>
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