Jacqueline
Have you considered using Vertical Mapper to contour the slope grid. Try
producing region contours at 0, 15 , 20 degrees etc. That should give you
MI regions for each slope range, directly from VM.
... Ken Moule, www.geobasemap.com
At 17:36 06/07/99 +1000, you wrote:
>>>>
Hi Everyone,
I need some assistance with Vertical Mapper. At the moment my colleague is
trying to produce a slope class map. He's produced a height grid from a
contour map, and then produced a slope grid using the inbuilt function.
Which he then exports into MI and then carries out Nearest Neighbour
Analysis to produce slope polygons. He is then querying the resultant
table to fit into allocated slope classes eg. <15 degrees, 15-20 degrees.
and then updating the corresponding table column.
Is there an easier way of achieving this as the computational times are
horrendous particularly for the Nearest Neighbour Analysis stage (in the
region of 4 hours for a 10 m grid)?
Any ideas would be great.
Cheers Jacqui.
Jacqueline Sloggett
Plantation Analyst
Hancock Victorian Plantations
P.O. Box 534
Collins St West
Melbourne
Victoria 3000
Australia
E-mail: [EMAIL PROTECTED]
"We don't see things as they are, we see them as we are" - Anais Nin
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