Correct Transformation for WGS84 to NAD83 in British Columbia

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11-03-2010 02:52 PM
RobKay
by
New Contributor II
Hi there,
I want to reproject a few raster datasets from GCS_WGS_1984 to NAD_1983.  The data is for the province of British Columbia in Canada.  Could someone help me choose the correct transformation?  My options range for NAD_1983_To_WGS_1984_(1 through 8).  There is no mention of British Columbia in this ESRI document (http://resources.arcgis.com/content/kbase?fa=articleShow&d=24159) describing each of these transformations.
Thanks,
Rob
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MelitaKennedy
Esri Notable Contributor
Hi there,
I want to reproject a few raster datasets from GCS_WGS_1984 to NAD_1983.  The data is for the province of British Columbia in Canada.  Could someone help me choose the correct transformation?  My options range for NAD_1983_To_WGS_1984_(1 through 8).  There is no mention of British Columbia in this ESRI document (http://resources.arcgis.com/content/kbase?fa=articleShow&d=24159) describing each of these transformations.
Thanks,
Rob


Hi Rob,

What's the cell size on the rasters? If they're more than 1m, don't worry about it. If they're significantly less, try using NAD_1983_To_WGS_1984_5.

Melita
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