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holsteinson

How can I generate a vector map in VW Landmark?

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you can do a flow analysis map like this through the DTM feature, i havent done one in ages, but im pretty sure its the same. i think you can generate it through the 'graphic properties' window

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The VW DTM will produce flow arrows indicating the flow direction across a site model but afaik provides no indication of magnitude.

Create DTM:Site Model Settings:2D display options:Show Flow Arrows.

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DTM>2D Flow Arrows utilize the equal distance between the 2D contours...

hence there's no need for magnitude just the average direction of the flow.

Therefore, to show magnitude the arrow vectors would need to be in 3D space.

Then, when viewed from above the shorter the arrow the steeper the slope...

which is exactly what the contours display ... narrower distance between contours = steeper slope.

3D arrows can be generated from 3D sections via annotations of the slope.

IMHO...in normal practice a fully 3D vectorized contour map is not required.

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