The smaller the scale factor, the more repetitions and the smaller the spacing in each linetype pattern. You can set the global scale factor by changing the LTSCALE system variable at the Command prompt or with the Linetype Manager. There are a number of scaling options that can affect how linetypes display and plot. Then when you create drawings from the template, the linetypes are already loaded. Autolisp Polyline Offset With Even Distance On Vertices Update Existing Polylines.How to automate this process? For example a lisp that would maybe take the original vertex points, add say maybe 3 (not too many) new ones between them, and then generate a spline while making sure the deviation is less than the set value of 1mm? I am using AutoCAD 2013.ĪutoCAD Civil 3D :: Draw Polyline From Point To Point Using Imported Points? Aug 16, 2013 However, some of my polys are really long, and it is very time-consuming to do this manually while measuring points along the entities to make sure the distance stays small enough. Also, I can add fit points between existing ones to drag the spline closer to the original 3D poly. Now, I can go and manually stretch the fit point to coincide with the vertex. I know I can change the knot parameterization of the spline, and this does work at some locations, but the difference increases at others.Why is there a 5.6 mm difference between the spline fit point and 3D polyline vertex, as measure in the attached drawing? You can see the original 3D polyline (green) and the resulting spline (magenta) in the attached drawing.When I zoom in and measure the distance between the two entities at different points along them, at some points the perpendicular distance exceeds 5 millimeters, and I want to ensure the deviation remains under 1 millimeter or even less. convert polyline to spline by typing spline -> object change polyline fit/smooth to cubic from properties Due to modeling purposes, I need to convert a 3D polyline to a spline.
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