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CAD tip CAD tip # 11025:

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Q - question

How to create an axis of two curves? (average curve)

A - answer To create an axis geometry in a middle of two general curves (lines, polylines, splines) - e.g. a river axis, minor contour etc. - you can use the free LISP utility CurveAxis.

Download the VLX file from www.cadstudio.cz/download, load it into AutoCAD with APPLOAD and type the command CURVEAXIS. Select both border curves and specify the requested precision (number of axis segments). You can create the centerline axis as a polyline, a 3D polyline or a spline. The resulting polyline can be then simplified e.g. with PLdiet.

ACAD
100% *  CAD 
29.7.2016    4127×  
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applies to: AutoCAD ·

See also:
Tip 11989:How to dimension an ellipse in AutoCAD?
Tip 11522:How to create 3D splines in Fusion 360 - e.g. for pipe axes?
Tip 9829:DrGrid - parametric grid for AutoCAD drawings.
Tip 9302:How to change elevation units in a map or GIS source?
Tip 9042:Random scatter of AutoCAD drawing objects - SCATTER.


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