Command line: zoom
Specify corner of window, enter a scale factor (nX or nXP), or
Zooms to display the entire drawing in the current viewport. In a plan view, AutoCAD® zooms to the grid limits or current extents, whichever is greater. In a 3D view, ZOOM All is equivalent to ZOOM Extents. The display shows all objects even if the drawing extends outside the grid limits.
In the illustration, LIMITS is greater than the extents of the drawing.
Zooms to display a window defined by a center point and a magnification value or height. A smaller value for the height increases the magnification. A larger value decreases the magnification.
Specify center point: Specify a point (1)
Enter magnification or height
: Enter a value or press
Zooms to display the generated portion of the drawing with a view box. The view box represents your viewport, which you can shrink or enlarge and move around the drawing. Positioning and sizing the view box pans or zooms to fill the viewport with the image inside the view box.
The panning view box is displayed first. Drag it to the location you want and click. The zooming view box is then displayed. Resize it and press ENTER to zoom, or click to return to the panning view box.
Press ENTER to fill the current viewport with the area currently enclosed by the view box.
Zooms to display the drawing extents and results in the largest possible display of all the objects.
Zooms the display at a specified scale factor.
Enter a scale factor (nX or nXP): Specify a value
Enter a value followed by x to specify the scale relative to the current view. For example, entering .5x causes each object to be displayed at half its current size on the screen.
Zooms to display an area specified by two opposite corners of a rectangular window.
Specify first corner: Specify a point (1)
Specify opposite corner: Specify a point (2)
Zooms to display one or more selected objects as large as possible and in the center of the drawing area. You can select objects before or after you start the ZOOM command.
The current drawing area is used to determine the zooming factor. ZOOM uses half of the window height to move to a zoom factor of 100%. Holding down the pick button at the midpoint of the window and moving vertically to the top of the window zooms in to 100%. Conversely, holding the pick button down at the midpoint of the window and moving vertically to the bottom of the window zooms out by 100%.
When you have reached the zoom-in limit, the plus sign in the cursor disappears, indicating that you can no longer zoom in. When you have reached the zoom-out limit, the minus sign in the cursor disappears, indicating that you can no longer zoom out.
When you release the pick button, zooming stops. You can release the pick button, move the cursor to another location in the drawing, and then press the pick button again and continue to zoom the display from that location.
To exit zooming at the new position, press ENTER or ESC.
Command line: pan
The cursor changes to a hand cursor. By holding down the pick button on the pointing device, you lock the cursor to its current location relative to the viewport coordinate system. The drawing display is moved in the same direction as the cursor.
When you reach a logical extent (edge of the drawing space), a bar is displayed on the hand cursor on that edge. Depending on whether the logical extent is at the top, bottom, or side of the drawing, the bar is either horizontal (top or bottom) or vertical (left or right side).
When you release the pick button, panning stops. You can release the pick button, move the cursor to another location in the drawing, and then press the pick button again to pan the display from that location.
To stop panning at any time, press ENTER or ESC.
REGEN regenerates the entire drawing and recomputes the screen coordinates for all objects in the current viewport. It also reindexes the drawing database for optimum display and object selection performance.
Command line: regen
Command line: circle
Specify center point for circle or [3P (Three Points)/2P (Two Points)/Ttr (tan tan radius)]: Specify a point or enter an option
Draws a circle based on a center point and a diameter or a radius.
Specify radius of circle or [Diameter]: Specify a point, enter a value, enter d, or press ENTER
Defines the radius of the circle. Enter a value, or specify a point (2). The distance between this point and the center point determines the radius of the circle.
Draws a circle using the center point and a specified distance for the diameter.
Specify diameter of circle
: Specify a point (2), enter a value, or press ENTER
3P (Three Points)
Draws a circle based on three points on the circumference.
Specify first point on circle: Specify a point (1)
Specify second point on circle: Specify a point (2)
Specify third point on circle: Specify a point (3)
2P (Two Points)
Draws a circle based on two endpoints of the diameter.
Specify first endpoint of circle's diameter: Specify a point (1)
Specify second endpoint of circle's diameter: Specify a point (2)
TTR (Tan, Tan, Radius)
Draws a circle with a specified radius tangent to two objects.
Specify point on object for first tangent of circle: Select a circle, arc, or line
Specify point on object for second tangent of circle: Select a circle, arc, or lineSpecify radius of circle
Command line: arc
Specify start point of arc or [CEnter]: Specify a point, enter ce, or press ENTER to start tangent to last line, arc, or polyline
Specifies the starting point of the arc.
Specify second point of arc or [CEnter/ENd]:
Draws an arc using three specified points on the arc's circumference. The first point is the start point (1). The third point is the endpoint (3). The second point (2) is a point on the circumference of the arc.
Specify end point of arc: Specify a point (3)
Specifies the center of the circle of which the arc is a part.
Specify center point of arc:
Specify end point of arc or [Angle/chord Length]:
Using the center point (2), draws an arc counterclockwise from the start point (1) to an endpoint that falls on an imaginary ray drawn from the center point through the third point (3).
Draws an arc counterclockwise from the start point (1) using a center point (2) with a specified included angle. If the angle is negative, AutoCAD draws a clockwise arc.
Specify included angle: Specify an angle
Draws either a minor or a major arc based on the distance of a straight line between the start point and endpoint.
If the chord length is positive, AutoCAD draws the minor arc counterclockwise from the start point. If the chord length is negative, AutoCAD draws the major arc counterclockwise.
Specify length of chord: Specify a length
Specifies the endpoint of the arc.
Specify end point of arc:
Specify center point of arc or [Angle/Direction/Radius]:
Draws an arc counterclockwise from the start point (1) to an endpoint that falls on an imaginary ray drawn from the center point (3) through the second point specified (2).
Draws an arc counterclockwise from the start point (1) to an endpoint (2), with a specified included angle. If the angle is negative, AutoCAD draws a clockwise arc.
Specify included angle: Enter an angle in degrees or specify an angle by moving the pointing device counterclockwise
Begins the arc tangent to a specified direction. It creates any arc, major or minor, clockwise or counterclockwise, beginning with the start point (1), and ending at an endpoint (2). AutoCAD determines the direction from the start point.
Specify tangent direction for the start point of arc:
Command line: ellipse
Specify axis endpoint of ellipse or [Arc/Center/Isocircle]: Specify a point or enter an option
Defines the first axis by its two endpoints. The angle of the first axis determines the angle of the ellipse. The first axis can define either the major or the minor axis of the ellipse.
Specify other endpoint of axis: Specify a point (2)
Specify distance to other axis or [Rotation]: Specify a distance by entering a value or locating a point (3), or enter r
Distance to Other Axis
Defines the second axis using the distance from the midpoint of the first axis to the endpoint of the second axis (3).
Creates the ellipse by appearing to rotate a circle about the first axis.
Specify rotation around major axis: Specify a point (3), or enter an angle value between 0 and 89.4
Move the crosshairs around the center of the ellipse and click. If you enter a value, the higher the value, the greater the eccentricity of the ellipse. Entering 0 defines a circular ellipse.
Command line: point
Specify a point:
Points can act as nodes to which you can snap objects. You can specify a full three-dimensional location for a point. The current elevation is assumed if you omit the Z coordinate value.
The PDMODE and PDSIZE system variables control the appearance of point objects. PDMODE values 0, 2, 3, and 4 specify a figure to draw through the point. A value of 1 specifies that nothing is displayed.
Specifying the value 32, 64, or 96 selects a shape to draw around the point, in addition to the figure drawn through it:
PDSIZE controls the size of the point figures, except for PDMODE values 0 and 1. A setting of 0 generates the point at 5 percent of the drawing area height. A positive PDSIZE value specifies an absolute size for the point figures. A negative value is interpreted as a percentage of the viewport size. The size of all points is recalculated when the drawing is regenerated.
After you change PDMODE and PDSIZE, the appearance of existing points changes the next time AutoCAD regenerates the drawing.
DIVIDE marks off a specified number of equal lengths on a selected object by placing point objects or blocks along the length or perimeter of the object. Objects that you can divide include arcs, circles, ellipses and elliptical arcs, polylines, and splines.
Draw menu: Point Divide
Command line: divide
Select object to divide: Use an object selection method
Enter number of segments or [Block]: Enter a value from 2 through 32,767, or enter b
Places point objects at equal intervals along the selected objects.
The illustration shows a polyline divided into five parts. Point Display mode ( PDMODE) has been set such that the points can be seen.
The points or blocks drawn by MEASURE are placed in the Previous selection set, so you can choose them all by entering p at the next Select Objects prompt. You can use the Node object snap to draw an object by snapping to the point objects. You can then remove the points by entering erase previous.
Command line: measure
Select object to measure:
Specify length of segment or [Block]: Specify a distance or enter b
Places point objects at the specified interval along the selected object, starting at the endpoint closest to the point you used to select the object.
Measurement of closed polylines starts at their initial vertex (the first one drawn).
Measurement of circles starts at the angle from the center set as the current snap rotation angle. If the snap rotation angle is 0, then the measurement of the circle starts to the right of center, on its circumference.
The illustration shows how MEASURE marks 0.5-unit distances along a polyline, with the PDMODE system variable set to 35.
Draw menu: Donut
Command line: donut
Specify inside diameter of donut
: Specify a distance or press
If you specify an inside diameter of 0, the donut is a filled circle.
Specify outside diameter of donut
: Specify a distance or
Specify center of donut or
: Specify a point (1) or press ENTER
to end the command
AutoCAD sets the location of the donut based on the center point. After you specify the diameters, AutoCAD prompts you for the locations at which to draw donuts. AutoCAD draws a donut at each point specified (2).
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