BC Big Tree Database in Google Earth - ClubTread Community

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post #1 of (permalink) Old 03-30-2010, 05:55 PM Thread Starter
Headed for the Mountains
 
Join Date: Aug 2007
Location: Courtenay, BC, Canada.
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Default BC Big Tree Database in Google Earth



I've been playing with Google Earth for a few years now and some time ago I downloaded the provincial Big Tree database and converted it into KML.

I stumbled across it a couple of days ago on my drive and thought I might clean it up and share it with others that might be interested.

You can download a the Google Earth KMZ file here. Post me a note if you find problems.

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post #2 of (permalink) Old 03-30-2010, 08:40 PM
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Location: Forest Gnome Cabin, , Canada.
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Thank you for the heads up, this will come in handy!
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post #3 of (permalink) Old 03-31-2010, 05:33 PM
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Cool - thanks!
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post #4 of (permalink) Old 03-31-2010, 07:50 PM
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Ooh, new toy in GE

-Ryan
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post #5 of (permalink) Old 03-31-2010, 11:22 PM
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Nice. Do you know how accurate the locations are?
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post #6 of (permalink) Old 04-01-2010, 08:13 AM Thread Starter
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quote:Originally posted by NS Explorer

Nice. Do you know how accurate the locations are?
That is a point I should have made. The source shape file indicates an occurrence with a circular polygon having a radius of about 100m. In some instances a record represents a group of trees so the polygon representing the area is much larger.

For ease of plotting (read lazyiness) I calculated the centeroid of each polygon and fixed a placemark at that location. For clarity I perhaps should have plotted the full polygon.

Give that many of the first observations predate wide availability of highly portable GPS equipment and certainly predate the May 1st 2000 removal of ‘selective availability' I wouldn't consider the location information to be highly accurate.

Consider it a treasure hunt.

The data is also available as a layer in iMapBC

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