CAD tip # 5883:

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How to measure distance along a curve?

To measure the distance between two points (point and startpoint) measured along a given curve (polyline, arc, spline...) you can use the free LISP utility - ARKANCE LGC (command LGC).

The LGC2 command allows to select a curve (near one of its endpoints) and then it measures the distance of picked points on the curve to the selected endpoint of the curve.

The LGC3 command inserts label blocks (stations) at the picked points (you can also use the "Vertices" option to choose all vertices automatically). The "Relative" option will label releative distance from previous marked point. You can then extract their attributes or schedule them to a table.

The LGC4 command draws a dynamic label when you move your mouse along the selected curve.

You can download the LGC utility from Download and load it into your AutoCAD or AutoCAD LT with APPLOAD.

For advanced dimensioning of lengths and distances along curves, use the newer utilities TraceCurve and DimCurve (see Download and Tips).

ACADACLT

*CAD

4.12.2007 50574×

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this tip shared by ARKANCE experts applies to: AutoCAD · AutoCAD LT ·

See also:
Tip 14989:	How to draw a line from its midpoint in AutoCAD?
Tip 14946:	Dimensioning the arc length and radius at the same time.
Tip 14913:	Quick toolpath measurement in Autodesk Fusion.
Tip 14911:	Using symbolic variables to enter repeated values in AutoCAD.
Tip 14898:	AlignO - aligning selected entities in Corel style.

Selected tip: Is it possible to run a macro in the ACAD.PGP file?

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