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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>an image interpretation of the flooded
area of Haut-Richelieu has been uploaded, replacing the first work done by <st1:City
w:st="on">Pierre</st1:City> (Thanks to <st1:City w:st="on"><st1:place w:st="on">Pierre</st1:place></st1:City>)
.It's time to put our boots on the ground - in the water?!!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Daniel<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<hr size=2 width="100%" align=center tabindex=-1>
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<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><b><font size=2
color=black face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:
Tahoma;color:windowtext;font-weight:bold'>From:</span></font></b><font size=2
color=black face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:
Tahoma;color:windowtext'> Jean-Guilhem Cailton [mailto:jgc@arkemie.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> May-28-11 07:07<br>
<b><span style='font-weight:bold'>To:</span></b> Daniel Begin; Pierre Beland<br>
<b><span style='font-weight:bold'>Cc:</span></b> 'HOT Openstreetmap'; 'talk-ca'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Talk-ca] [HOT]
Flooding in <st1:place w:st="on"><st1:City w:st="on">Richelieu River</st1:City>,
<st1:State w:st="on">Quebec</st1:State>, <st1:country-region w:st="on">Canada</st1:country-region></st1:place>
:Follow-up(Complement of information)</span></font><font color=black><span
lang=EN-US style='color:windowtext'><o:p></o:p></span></font></p>
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style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>Hi,<br>
<br>
Great find Daniel !<br>
<br>
To use directly the GeoTiff images in JOSM, you could try the
ImportImagePlugin, but I haven't tried it.<br>
<br>
I put the EO1-ALI images from Earth Observatory online, in WMS and TMS, with
the coordinates included in the GeoTiff files. <br>
<br>
Apparently, they were not georeferenced in relation to ground control points,
but with the imagery layer shift option included in Josm, it is not too
difficult to align them to existing data. For example, a shift of "197;
-514" quickly adjusted over Venise-en-Québec seems to give a reasonable
alignment in other areas of the images too.<br>
<br>
We could try to improve the georeferencing of the original images with ground
control points, but for now it seems that having a try at mapping the flood
extent with the current setup has higher priority. Let me know if you think
more work on georeferencing would be useful.<br>
<br>
<br>
URLs:<br>
<br>
For the natural color image in TMS (recommended over WMS), use the following
link in Josm:<br>
tms:<a href="http://osm.arkemie.org/cgi-bin/tiles/1.0.0/hautrichelieu_coulnat/">http://osm.arkemie.org/cgi-bin/tiles/1.0.0/hautrichelieu_coulnat/</a>{zoom}/{x}/{y}.jpg<br>
<br>
For the shortwave infrared image in TMS:<br>
tms:<a href="http://osm.arkemie.org/cgi-bin/tiles/1.0.0/hautrichelieu_swir/">http://osm.arkemie.org/cgi-bin/tiles/1.0.0/hautrichelieu_swir/</a>{zoom}/{x}/{y}.jpg<br>
<br>
<br>
The base WMS URL is : <br>
<a href="http://osm.arkemie.org/cgi-bin/osm_wms?map=/mapsite/hautrichelieu.map">http://osm.arkemie.org/cgi-bin/osm_wms?map=/mapsite/hautrichelieu.map</a><br>
<br>
Thus, for the natural color image in WMS, use the following link in Josm:<br>
wms:<a
href="http://osm.arkemie.org/cgi-bin/osm_wms?map=/mapsite/hautrichelieu.map&FORMAT=image/jpeg&VERSION=1.1.1&SERVICE=WMS&REQUEST=GetMap&Layers=hautrichelieu20110508_natcol&">http://osm.arkemie.org/cgi-bin/osm_wms?map=/mapsite/hautrichelieu.map&FORMAT=image/jpeg&VERSION=1.1.1&SERVICE=WMS&REQUEST=GetMap&Layers=hautrichelieu20110508_natcol&</a><br>
<br>
For the shortwave infrared image in WMS:<br>
wms:<a
href="http://osm.arkemie.org/cgi-bin/osm_wms?map=/mapsite/hautrichelieu.map&FORMAT=image/jpeg&VERSION=1.1.1&SERVICE=WMS&REQUEST=GetMap&Layers=hautrichelieu20110508_swir&">http://osm.arkemie.org/cgi-bin/osm_wms?map=/mapsite/hautrichelieu.map&FORMAT=image/jpeg&VERSION=1.1.1&SERVICE=WMS&REQUEST=GetMap&Layers=hautrichelieu20110508_swir&</a><br>
<br>
<br>
Now on to OSM-style-collaborative-iterative flood extent mapping, without - and
probably then with - boots :)<br>
<br>
Best wishes,<br>
<br>
Jean-Guilhem<br>
<br>
<br>
Le 28/05/2011 05:53, Daniel Begin a écrit : <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="country-region"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="State"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"><!--[if gte mso 9]><xml>
<u1:shapedefaults u2:ext="edit" spidmax="1026"/>
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</xml><![endif]-->Hi all,<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>I've tried to "put my boots on the ground" without
going there !-). I found a pretty clear satellite image of the
river at its max level (30-31m) - which doesn't really changed since ...<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><a
href="http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=50577">http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=50577</a><u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>I made few geometric adjustments to the image and compare the
result with 30m GeoBase and SRTM contours. Geobase contours gives better
results between St-Jean and L'Île aux Noix but from there to the <st1:country-region u4:st="on"><st1:place u4:st="on"><st1:country-region
w:st="on"><st1:place w:st="on">US</st1:place></st1:country-region></st1:place></st1:country-region>
boundary, neither GeoBase nor SRTM is right.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>I'm trying to produce a flooded area from DEM data while I'm
looking at an image that contains what I'm looking for - the flooded
area! Why not mapping from it? I understand the image can be used - <a
href="http://earthobservatory.nasa.gov/ImageUse/">http://earthobservatory.nasa.gov/ImageUse/</a><u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Any idea on how I can use this GeoTiff image in JOSM?<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Cheers,<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Daniel<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
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lang=EN-US style='font-size:12.0pt;color:windowtext'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
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text-align:center'><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><font size=3
color=black face="Times New Roman"><span style='font-size:12.0pt'><br>
</u1:smarttagtype></u1:smarttagtype></u1:smarttagtype></u1:smarttagtype><br>
<br>
<o:p></o:p></span></font></p>
<pre><font size=2 color=black face="Courier New"><span style='font-size:10.0pt'>-- <o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>pgp 0x5939EAE2<o:p></o:p></span></font></pre></div>
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