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<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>If you are planning to load the National Hydrographic Network (NHN)
data from GeoBase into OSM please be aware that the data is NOT distributed on
a map sheet basis, like the road network. The NHN data is distributed on
a watershed basis and I recommend that, if possible, you keep the watersheds intact
during a load. This will greatly minimise the number of junctions you
will need to manage given that, by definition, hydrographic features do not
cross watershed boundaries, except at the entrance and exist for the watershed.
An index map of the watersheds is available at http://www.geobase.ca/geobase/en/data/nhn/national-index.html<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Mike Mepham<o:p></o:p></span></font></b></p>
<p class=MsoAutoSig><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Federal/Provincial/Territorial Liaison<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>GeoConnections Program<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Natural Resources <st1:country-region w:st="on"><st1:place
w:st="on">Canada</st1:place></st1:country-region><o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><b><font size=3 face="Arial Narrow"><span lang=FR-CA
style='font-size:12.0pt;font-family:"Arial Narrow";font-weight:bold'>E-Mail:</span></font></b><font
face=Arial><span lang=FR-CA style='font-family:Arial'> <a
href="mailto:MMepham@NRCan.gc.ca">MMepham@NRCan.gc.ca</a> <br>
<br>
<o:p></o:p></span></font></p>
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size=1 face=Arial><span style='font-size:8.0pt;font-family:Arial'><o:p></o:p></span></font></u></p>
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<p class=MsoAutoSig style='margin-top:3.0pt'><b><font size=1 face=Arial><span
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<p class=MsoAutoSig style='margin-top:3.0pt'><font size=1 face=Arial><span
style='font-size:8.0pt;font-family:Arial'>(613) 992-8549<o:p></o:p></span></font></p>
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<p class=MsoAutoSig style='margin-top:3.0pt'><font size=1 color=black
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780-3634</span></font><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'><o:p></o:p></span></font></p>
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<p class=MsoAutoSig style='margin-top:3.0pt'><font size=1 face=Arial><span
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<p class=MsoAutoSig style='margin-top:3.0pt'><font size=1 color=black
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780-5191<o:p></o:p></span></font></p>
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<p class=MsoAutoSig style='margin-top:3.0pt'><font size=1 color=black
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color:black'><o:p></o:p></span></font></p>
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color=black face=Arial><span style='font-size:8.0pt;font-family:Arial;
color:black'>Ottawa</span></font></st1:City><font size=1 color=black
face=Arial><span style='font-size:8.0pt;font-family:Arial;color:black'>, <st1:State
w:st="on">ON</st1:State> <st1:country-region w:st="on">Canada</st1:country-region>
<st1:PostalCode w:st="on">K1A 0E9</st1:PostalCode></span></font></st1:place><font
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<p class=MsoAutoSig style='margin-top:3.0pt'><st1:Street w:st="on"><st1:address
w:st="on"><font size=1 color=black face=Arial><span style='font-size:8.0pt;
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color:black'><o:p></o:p></span></font></p>
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color:black'><o:p></o:p></span></font></p>
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color=black face=Arial><span style='font-size:8.0pt;font-family:Arial;
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face=Arial><span style='font-size:8.0pt;font-family:Arial;color:black'>, <st1:State
w:st="on">SK</st1:State> <st1:country-region w:st="on">Canada</st1:country-region>
<st1:PostalCode w:st="on">S4P 2J6</st1:PostalCode></span></font></st1:place><font
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<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-US
style='font-size:10.0pt'>-----Original Message-----<br>
From: talk-ca-bounces@openstreetmap.org
[mailto:talk-ca-bounces@openstreetmap.org] On Behalf Of Sam Vekemans<br>
Sent: January 11, 2009 19:05<br>
To: crschmidt@metacarta.com; talk-ca@openstreetmap.org;
talk-us@openstreetmap.org<br>
Subject: [Talk-ca] NHD (<st1:country-region w:st="on">usa</st1:country-region>)
NHN <st1:country-region w:st="on"><st1:place w:st="on">canada</st1:place></st1:country-region></span><o:p></o:p></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Hi,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>I might be able to help (or confuse) :)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>By taking the converted gov'nt data shape files (as a ready OSM file)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>and slice it into 16 squares, then compare each square to the existing<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>OSM data square, and only those squares that have no 'natural=water
&<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>similar tags' you would import the data. Then square it off again and<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>import the 'no OSM Data areas'.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>So then your left with only a few small squares that need to be traced.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Does this make sence?<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Cheers,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Sam Vekemans<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Across Canada Trails<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>_______________________________________________<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Talk-ca mailing list<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Talk-ca@openstreetmap.org<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>http://lists.openstreetmap.org/listinfo/talk-ca<o:p></o:p></span></font></p>
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