Click on the centerline of Rose Drive, the magenta polyline. LenB (vlax-curve-getDistAtParam 3DplB (vlax-curve-getEndParam 3DplB))ģDpl1 (if (here<, could be made for 3DPolylines. Run the Measure-Object command to create points. LenA (vlax-curve-getDistAtParam 3DplA (vlax-curve-getEndParam 3DplA))
(= (cdr (assoc 100 (reverse (entget (ssname ss 1))))) "AcDb3dPolyline") (= (cdr (assoc 100 (reverse (entget (ssname ss 0))))) "AcDb3dPolyline") vehicle appears to be on the wrong roadway for the data point nearest the intersection. (prompt "\nTo draw a Center-Line between two 3D Polylines,") GIS Tool to Measure Performance of Winter Highway Operations. (defun C:3DCL (/ ss 3DplA 3DplB lenA lenB 3Dpl1 3Dpl2 n vert1 pt2) The Legend in the 3D Centerline command dialog is incorrect. Isolate Object of Feature Creates too many Points. I thought of having it find the nearest vertex, but that could cause trouble where there isn't one close to across-the-road.īut if that's close enough for you, it does follow the Z-coordinate variability in the 3D-ness of the source Polylines. A command, expression or variable that contains the object (s). An operation was attempted on an invalid or unsuitable OM object. Draw the upper lid crease touching the top of the larger circle at some point. failed a the point of choke when pulled to. Add lines to determine the center of the face and the position of the eyes. Recall Job Road Files: This command only applies to Stakeout Centerline. Where the shorter one that it's stepping along is the lower red one, the dotted line is reaching across to the closest point on the longer one above, and the vertex on the new 3DPolyline is the midpoint between those locations, not the midpoint between roughly-across-from-each-other vertices. Wire rope strength is usually measured in tons of 2,000 pounds. command, clicking on a point also allows you to Re-Measure a point location or. At the left end, it does this because of the little perpendicular leg:Īnd since it finds the closest point on the across-the-road 3DPolyline, not necessarily the closest vertex across the road, this kind of thing happens: Autodesk Inventor uses a default unit of measurement for every part and. It doesn't account for places where there isn't a vertex on the shorter one approximately "lined up with" or "across from" one on the longer one, but in the sample drawing, there's only one such location, and in a pretty straight stretch, so the effect on the result is minimal. Options panel > Document Settings command, and on the Sketch tab of the Document. This traces along the shorter of the two 3DPolylines selected, and at each vertex, finds the closest point on the other one, calculates the point halfway between them, and it draws a 3DPolyline through the halfway-between locations. Well, I thought of something, though it may not be quite what you need.
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