What are Absolute coordinates?Absolute coordinates mean the Cartesian System, which consists of the xaxis, yaxis, and zaxis. This cartesian system measures the distance from the intersection of the xaxis, yaxis, and zaxis called the origin. The absolute coordinates are then used to specify the object location concerning the origin (0, 0). Consider the above figure, which represents the twodimensional cartesian system divided into four quadrants, namely quadrant 1, quadrant 2, quadrant 3, and quadrant 4. Quadrant 1 contains only the positive axis. Whereas Quadrant 3 contains only a negative axis. When we consider the below image, the origin is the intersection of both the x and yaxis. It is denoted as "0, 0" points, and the absolute coordinate measured from the origin is "7,6," which is 7 units through the xaxis and 6 units through the yaxis. The absolute coordinates are useful while giving the data inputs to the CAD program. To draw a line(indicated in blue) as shown in the above image, the user should give input in the form (x, y) form. The x and y values represent the distance of the line, which is x units away from the origin on the Xaxis and y units on the Yaxis. The (1,4) input makes a line 1 unit to the right and four units above from the origin. When the user wants to draw a shape in a threedimensional plane, input three values in the format (x, y, z) representing the distance away from the origin in the X, Y, and Z axis, respectively. The point (1,2,3) draws a line 1unit above the Xaxis and 2 units right to Yaxis and 3 units from the origin in the Zaxis. AutoCAD:Can absolute coordinates be negative?In AutoCAD, the location of a point is specified from 0X, 0Y, 0Z(0, 0, 0) point. The absolute coordinates do not include negative dimensions because absolute coordinates include only Quadrant 1 in a cartesian plane. In the AutoCAD software, the absolute coordinates mean only positive values of the axis. Uses of the absolute coordinates
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