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villbri

Snap to 3d polygon

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The digital maps usually contains both 2d lines and 2d and 3d polygons. Some times I need the map to draw 2d plans. It is very annoying that I can not draw a 2d polyline snapping to a 3d polygon, like an edge of a road. Is there a solution to this?

Mvh

Edited by villbri

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Well, I tried to export the file as VW 2009 and opened it in VW 2009 and then the snap to 3D function works. This tells me that it might be something with my 2010 version?

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Yes it is inconvenient!

Some times I need to redraw 3d polygons to edit them in a 2d drawing with colours hatches etc. Some times I just need to follow a line (like a road) to make a boarder. The easiest would be if it was possible to convert 3d polys to 2d polys!

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Are you sure you have the correct layer/class visibility settings ie. greyed, snap, modify. All layers aligned etc.

Edited by Vincent C

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Yes I am sure that I have the correct settings- when I am in "active layer only" and "show /snap /modify other classes" it still does not snap to 3d polygons in VW 2010 but it does in VW 2009. Strange.....

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In VW2010, enter the Snap dialog (dbl click any box on the Snap Palette), select Object, check the Nearest Point on Edge option. With that one checked, the cursor reads 3d edges as objects allowing snap of 2d or 3d line or other object to any point on the 3d edge.

-B

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