Dynamic True North in AutoCAD Automatic North Arrow Using AutoLISP
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Dynamic True North in AutoCAD Automatic North Arrow Using AutoLISP
73 просмотра · 7 дней назад
EduCad
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73 просмотра · 7 дней назад
How to Set Dynamic True North in AutoCAD | Automatic North Arrow Using AutoLISP
In this tutorial, I will show you how to create and set a Dynamic True North in AutoCAD using AutoLISP.
Unlike a simple North Arrow that always points upward, this method calculates the True North direction based on Easting, Northing and UTM coordinates and creates a professional True North symbol directly inside AutoCAD.
🔧 In this video, you will learn:
• How to set True North in AutoCAD
• How to calculate True North using UTM coordinates
• How to use Easting & Northing from a drawing
• How to calculate Grid Convergence
• How to create a Dynamic North Arrow using AutoLISP
• How to create a professional True North symbol
• How to insert the North symbol as an AutoCAD block
• Difference between True North and Grid North
• How to update the North direction after changing drawing orientation
• How AutoLISP can simplify survey and civil engineering drawings
This method can be useful for Surveying, Civil Engineering, Topographic Survey, Road Design, Bridge Design, Site Plans and GIS-related CAD drawings.
Link of the AutoLISP File: https://drive.google.com/file/d/15P-L...
If you work with UTM coordinates, Total Station survey data, AutoCAD or Civil 3D, this tutorial may be especially useful for you.
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