From the course: AutoCAD 2015 Essential Training
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Understanding coordinate systems
From the course: AutoCAD 2015 Essential Training
Understanding coordinate systems
In this video I'll discuss coordinate systems. Coordinate systems are used to measure objects. And there are two primary systems that we use in AutoCAD. Cartesian, named after Rene Descartes the famous Enlightenment philosopher and mathematician. And Polar, AutoCAD also supports cylindrical and spherical coordinate systems. These are only used in 3D modeling, we use Cartesian and polar coordinates all the time. In fact, they're both operative when you do something as simple as draw a line. Click the Line tool and turn on dynamic input down here on the status bar if it's not already on. What you're seeing here are two numbers representing x and y coordinates. This is the Cartesian system. Rene Descartes came up with this idea that we could represent any point in space as a combination of these two values, x for the horizontal axis and y for the vertical axis. In AutoCAD we can use dynamic input to see those graphically or to type in numbers directly. I'll type in 15 tab 10 to specify…
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Contents
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Using Grid and Snap4m 6s
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Making isometric drawings3m 54s
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Understanding coordinate systems5m 48s
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Using polar tracking3m 29s
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Enabling the heads-up display4m 13s
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Working with object snaps9m 47s
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Using the From command6m 43s
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Employing object-snap tracking2m 26s
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Creating coordinate systems of your own6m 38s
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