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 48881×

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applies to: AutoCAD · AutoCAD LT ·

See also:
Tip 14598:	Thread machining in Autodesk Fusion.
Tip 14454:	How to hide dimensions with zero- or small length?
Tip 14427:	Set the number or description of the COGO point according to the nearest text.
Tip 14361:	Extended ATTOUT/ATTIN for block attribute management in Excel (also for LT).
Tip 14271:	How to use the STRETCH command to resize an object to a specific size?

Selected tip: How to measure Inventor parts without Inventor?

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