AutoCAD 5- . .
, Circle . . .
1. . . , . , , . (20, 30) 50 :
Command: _circle Specify center point for circle or [3P/2P/Ttr
(tan tan radius)]:20,30
Specify radius of circle or [Diameter]: 50
2. . . , Diameter . (40, 50) 120, - :
Command: _circle Specify center point for circle or [3P/2P/Ttr
(tan tan radius)]: 40,50
Specify radius of circle or [Diameter] <50.0000>: D
Specify diameter of circle <100.0000>: 120
3. (3P). , . . . ( ):
Command: _circle Specify center point for circle or [3P/2P/Ttr
(tan tan radius)]: 3P
Specify first point on circle:
Specify second point on circle:
Specify third point on circle:
4. (2P). . . , (50,70) (150,170), :
Command: _circle Specify center point for circle or [3P/2P/Ttr
(tan tan radius)]: 2P
Specify first end point of circle's diameter: 50,70
Specify second end point of circle's diameter: 150,170
5. , , (Ttr). , . , 1. 60, .
Command: _circle Specify center point for circle or [3P/2P/Ttr
(tan tan radius)]: t
Specify point on object for first tangent of circle:
Specify point on object for second tangent of circle:
Specify radius of circle <80.0000>: 60
21. ,
, . , , .
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. , .
Arc. ( ).
Command: _arc Specify start point of arc or [CEnter]:
Specify second point of arc or [CEnter/ENd]:
Specify end point of arc:
AutoCAD , . . , AutoCAD.
:
CEnter ,
ENd ,
Angle ,
chord Length ,
Direction , ,
Radius .
, .
Specify start point of arc .
Specify second point of arc .
Specify end point of arc .
Specify included angle .
.
Specify length of chord .
, , , , , , . . , . .
1. , , (. 22.1).
Command: arc
Specify start point of arc or [CEnter]: 40,110
Specify second point of arc or [CEnter/ENd]: CE
Specify center point of arc: 30,90
Specify end point of arc or [Angle/chord Length]: 20,110
2. , , . (70,90), (60,110), 180 (. 2.2).
Command: arc
Specify start point of arc or [CEnter]: CE
Specify center point of arc: 70,90
Specify start point of arc: 60,110
Specify end point of arc or [Angle/chord Length]: A
Specify included angle: 180
3. , , (100,85), (120,95), 30 (. 2.3).
Command: ARC Specify start point of arc or [CEnter]: CE
Specify center point of arc:100,85
Specify start point of arc: 120,95
Specify end point of arc or [Angle/chord Length]: L
Specify length of chord: 30.
4. , , . (135,70), (160,105), 25:
Command: _arc Specify start point of arc or [CEnter]:
135,70
Specify second point of arc or [CEnter/ENd]: EN
Specify end point of arc: 160,105
Specify center point of arc or [Angle/Direction/Radius]: R
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Specify radius of arc: 25
2.
( 1 2 )
, AutoCAD . , 2 (. 22.2) , +180 , , .
AutoCAD , . . , .
, Ellipse .
, 23, :
Command: _ellipse
Specify axis endpoint of ellipse or [Arc/Center]: 10,70
Specify other endpoint of axis: 60,70
Specify distance to other axis or [Rotation]: 10
Center, , ( ), .
Ellipse Arc AutoCAD. , .
. , (170,70) (120,70), 16 ( , .. 8) 0 200.
Command: _ellipse
Specify axis endpoint of ellipse or [Arc/Center]: A
Specify axis endpoint of elliptical arc or [Center]: 170,70
Specify other endpoint of axis: 120,70
Specify distance to other axis or [Rotation]: 8
Specify start angle or [Parameter]: 0
Specify end angle or [Parameter/Included angle]: 200
23.
, .
, .
AutoCAD , . 4.4.1. , 0, (. 4.2).
24.
, . , Donut .
. , 10, 20, (40,50).
Command: donut
Specify inside diameter of donut <5.0000>: 10
Specify outside diameter of donut <15.0000>: 20
Specify center of donut or <exit>: 40,50
AutoCAD , .. . Esc Enter.
, (. 25). . , . , .
, .
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, Donut .
. , 10, 20, (40,50).
Command: donut
Specify inside diameter of donut <5.0000>: 10
Specify outside diameter of donut <15.0000>: 20
Specify center of donut or <exit>: 40,50
AutoCAD , .. . Esc Enter.
, (. 25). . , . , .
Spline .
( ), Enter, .
. 25.1 ( , Enter).
Command: _spline
Specify first point or [Object]:
Specify next point:
Specify next point or [Close/Fit tolerance] <start tangent>:
Specify next point or [Close/Fit tolerance] <start tangent>:
Specify next point or [Close/Fit tolerance] <start tangent>:
Specify next point or [Close/Fit tolerance] <start tangent>:
Specify start tangent:
Specify end tangent:
25. .
. , , 0 N+1.
25.2 , . 0
N+1=3+1=4.
, Enter. Spline : Object . ; Close . AutoCAD ; Fit tolerance . 0 . , AutoCAD , .
, AutoCAD
(. 26). , . , , , , Esc Enter. .
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26.
Pline . . Arc, .