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Chapter Tree Drawing Commands

Chapter Tree Drawing Commands. 3.1 Line 3.2 Ray 3.3 Construction Line 3.4 Rectangle 3.5 Polygon 3.6 Arc 3.7 Circle 3.8 Donut 3.9 Ellipse 3.10 Block 3.11 Insert.

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Chapter Tree Drawing Commands

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  1. Chapter Tree Drawing Commands • 3.1 Line • 3.2 Ray • 3.3 Construction Line • 3.4 Rectangle • 3.5 Polygon • 3.6 Arc • 3.7 Circle • 3.8 Donut • 3.9 Ellipse • 3.10 Block • 3.11 Insert

  2. Mastering：The CIRCLE Command；The ELLIPSE Command；The POLYLINE Command；Object Snap(OSNAP);The ARC Command; The SPLINE Command • Focus and Difficulty：The POLYLINE Command； • The SPLINE Command; • The ARC Command

  3. 3.1 Line • Main Commands • Line、Ray、Construction Line、Rectangle、Polygon、Arc、 Circle、Donut、Ellipse、Block、Insert。

  4. Drawing Toolbar Drawing Menu

  5. Draw→Line • (1) 画一条竖线。 • Command: _line Specify first point: 10,30 • Specify next point or [Undo]: @0,20 • Specify next point or [Undo]: 

  6. (2) 画一条水平线。 • Command: _line Specify first point: 22,78 • Specify next point or [Undo]: @20,0 • Specify next point or [Undo]: 

  7. (3) 画一条斜线。 • Command:  • LINE Specify first point: • Specify next point or [Undo]: @20<45 • Specify next point or [Undo]: 

  8. (4) 画一条连续的折线。 • Command:  • LINE Specify first point: 90,210 • Specify next point or [Undo]: @20<75 • Specify next point or [Close/Undo]: @0,10 • Specify next point or[Close/Undo]: u • Specify next point or [Close/Undo]: @10,0 • Specify next point or[Close/Undo]: @5<－30 • Specify next point or [Close/Undo]: @0,－20 • Specify next point or [Close/Undo]: 

  9. 3.2 Ray • Draw→Ray • Command: _ray • Specify start point: • Specify through point: @20,0  • Specify through point: @0,20  • Specify through point: @5,5 • Specify through point: @5,3  • Specify through point: 

  10. 3.3 Construction Line • Draw→Construction Line • (1) 过点绘制构造线。 • Command: _xline Specify a point or [Hor /Ver • /Ang/Bisect/Offset]: 45,100 • Specify through point: 50,100 • Specify through point: 45,110 • Specify through point: 100,200 • Specify through point: 

  11. (2) 绘制一条或几条水平的构造线。 • Command: _xline Specify a point or • [Hor/Ver/Ang/Bisect/Offset]: h • Specify through point: • Specify through point: • Specify through point: 

  12. (3) 绘制一条或几条垂直的构造线。 • Command:  • XLINE Specify a point or [Hor/Ver/Ang • /Bisect/Offset]: v • Specify through point: • Specify through point: • Specify through point: 

  13. (4) 绘制一条或几条已知角度的构造线。 • Command: _xline Specify a point or [Hor/Ver • /Ang/Bisect/Offset]: a • Enter angle of xline (0) or [Reference]: 45 • Specify through point: • Specify through point: • Specify through point: 

  14. 3.4 Rectangle • Draw→Rectangle • (1) 绘制一般矩形。 • Command: _rectang • Specify first corner point or [Chamfer/Elevation/Fillet • /Thickness/Width]: • Specify other corner point or [Dimensions]: @50,25

  15. (2) 绘制正方形。 • Command: _rectang • Specify first corner point or [Chamfer/Elevation/Fille • /Thickness/Width]: • Specify other corner point or [Dimensions]: @40,40 

  16. (3) 绘制具有倒角的矩形。 • Command: _rectang • Specify first corner point or [Chamfer/Elevation/Fillet • /Thickness/Width]: c • Specify first chamfer distance for rectangles<0.0>: 6 • Specify second chamfer distance for rectangles<6.0>: • Specify first corner point or [Chamfer/Elevation/Fillet • /Thickness/Width]: • Specify other corner point or [Dimensions]: @40,30

  17. (4) 绘制具有圆角的矩形。 • Command: _rectang • Current rectangle modes: Chamfer=6.0 x 6.0 • Specify first corner point or [Chamfer/Elevation/Fillet • /Thickness/Width]: f • Specify fillet radius for rectangles <6.0>: • Specify first corner point or [Chamfer/Elevation/Fillet • /Thickness/Width]: • Specify other corner point or [Dimensions]: @40,30

  18. 3.5 Polygon • Draw→Polygon • Command: _polygon • (1) 已知外接圆半径绘制多边形。 • Enter number of sides <4>: 6 • Specify center of polygon or [Edge]: • Enter an option [Inscribed in circle • /Circumscribed about circle] <I>: • Specify radius of circle: 10

  19. (2) 已知内切圆半径绘制多边形。 • Command: • POLYGON Enter number of sides <6>: • Specify center of polygon or [Edge]: • Enter an option [Inscribed in circle • /Circumscribed about circle] <I>: c • Specify radius of circle: 10

  20. (3) 已知多边形的边长绘制多边形。 • Command: _polygon • Enter number of sides <6>: • Specify center of polygon or [Edge]: e • Specify first endpoint of edge: • Specify second endpoint of edge: @10,0 

  21. 3.6 Arc Arc Menu

  22. Draw→Arc • (1) 已知三点绘制圆弧。 • Command: _arc Specify start point of arc • or [Center]: • Specify second point of arc or [Center/End]: • Specify end point of arc:

  23. (2) 已知起点、中心和角度绘制圆弧。 • Command: _arc • Specify start point of arc or [Center]: • Specify second point of arc or [Center/End]: _c • Specify center point of arc: • Specify end point of arc or [Angle/chord Length]: _a • Specify included angle: 90

  24. (3) 已知起点、终点和半径绘制圆弧。 • Command: _arc • Specify start point of arc or [Center]: • Specify second point of arc or [Center/End]: _e • Specify end point of arc: • enter point of arc or[Angle/Direction/Radius]: _r • Specify radius of arc: 20 

  25. 3.7 Circle Drawing Circle Menu

  26. Draw→Circle • (1) 已知中心、半径绘制圆 • Draw→Circle→Center, Radius • Command: _circle • Specify center point for circle or [3P/2P/Ttr (tan tan • radius)]: 20,20 • Specify radius of circle or [Diameter]: 10 

  27. (2) 已知中心、直径绘制圆 • Draw→Circle→Center, Diameter • Command: _circle Specify center point for circle or/ • [3P/2P/Ttr (tan tan radius)]: • Specify radius of circle or [Diameter] : _d • Specify diameter of circle : 12

  28. (3) 已知两点绘制圆 • Draw→Circle→2 Points • Command: _circle Specify center point for circle or • [3P/2P/Ttr (tan tan radius)]: _2p • Specify first end point of circle's diameter: • Specify second end point of circle's diameter:

  29. (4) 与两线相切且已知半径绘制圆 • Draw→Circle→Tan, Tan, Radius • Command: _circle Specify center point for circle or/ [3P/2P/Ttr (tan tan radius)]: _ttr • Specify point on object for first tangent of circle: • Specify point on object for second tangent of circle: • Specify radius of circle <60.0>: 8

  30. (5) 与三线相切绘制圆 • Draw→Circle→Tan, Tan, Tan Command: _circle Specify center point for circle or • [3P/2P/Ttr (tan tan radius)]: _3p • Specify first point on circle: _tan to • Specify second point on circle: _tan to • Specify third point on circle: _tan to

  31. 3.8 Donut • Draw→Donut • (1) 绘制一般圆环 • Command: _donut • Specify inside diameter of donut <10>: 16  • Specify outside diameter of donut <20>: 26  • Specify center of donut or <exit>: • Specify center of donut or <exit>: 

  32. (2) 绘制实心圆 • Command: _donut • Specify inside diameter of donut <2.0>:0  • Specify outside diameter of donut <6.0>: 8 • Specify center of donut or <exit>: • Specify center of donut or <exit>: • Specify center of donut or <exit>: 

  33. 3.9 Ellipse • Draw→Ellipse • (1) 已知椭圆的两个端点绘制椭圆Command: _ellipse • Specify axis endpoint of ellipse or [Arc/Center]: • Specify other endpoint of axis: @26,0 • Specify distance to other axis or [Rotation]: @0,6

  34. (2) 已知圆心及一个端点绘制椭圆 • Command: _ellipse • Specify axis endpoint of ellipse or [Arc/Center]: _c • Specify center of ellipse: • Specify endpoint of axis: @13,0 • Specify distance to other axis or [Rotation]: @0,6

  35. (3) 绘制椭圆弧 • Command: _ellipse • Specify axis endpoint of ellipse or [Arc/Center]: _a • Specify axis endpoint of elliptical arc or [Center]: • Specify other endpoint of axis: @26,0 • Specify distance to other axis or [Rotation]: @ 0,6  • Specify start angle or [Parameter]: 120  • Specify end angle or [Parameter/Included angle]: 290 

  36. 3.10 Block Block Definition dialog box

  37. Draw→Block→Make • Command: _block • Select objects: Specify opposite corner: • 1 found • Select objects: 

  38. 3.11 Insert • Insert→Block • Command: _insert • Specify insertion point or [Scale/X/Y/Z/Rotate • /PScale/PX/PY/PZ/PRotate]:

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