Modelling with AutoCAD 2004 phần 1 potx

[...]... Task 2 1 Still with the SE Isometric viewpoint displayed 2 Set the elevation to 0 and the thickness to 10 0 3 With Draw-Rectangle create a rectangle anywhere on the screen 4 With Draw-Ellipse-Center create an ellipse anywhere on the screen 5 Both the rectangle and the ellipse will be displayed without any thickness, although the thickness was set to 10 0 in step 2 11 12 Modelling with AutoCAD 2004 6... dist distϽangle 1 angle 2 Absolute 10 0 ,15 0 ,12 0 15 0Ͻ55 ,12 0 80Ͻ30Ͻ50 Relative @300, 10 0,Ϫ50 @75Ͻ 15 , 12 0 @12 0Ͻ 10 Ͻ75 To investigate the different types of co-ordinate input we will draw some objects on the screen We will also investigate the effect of the icon position on the co-ordinate entries 1 Close any existing drawings 2 Open your 3DSTDA3 template file and refer to Fig 3.7 3 Menu bar with View-Display-UCS... b) height: 20 with 0 rotation c) item: AutoCAD WCS 4 a) With ELEV at the command line, set the current elevation to 0 and the current thickness to 50 b) Draw a line from 60,70 to @15 0,0,0 5 Set the elevation and thickness values back to 0 21 22 Modelling with AutoCAD 2004 B) UCS entry 1 Menu bar with Tools-New UCS-Origin and: prompt Specify new origin point enter 300 ,10 0,0 ϽRϾ 2 Menu bar with Tools-New... style 10 3D co-ordinate input can be: a) Cartesian, e.g 10 ,20,30 b) Cylindrical, e.g 10 Ͻ20,30 c) Spherical, e.g 10 Ͻ20Ͻ30 11 Both absolute and relative modes of input are possible with the three ‘types’ of co-ordinates, e.g a) absolute cylindrical: 10 0Ͻ200,50 b) relative cylindrical: @10 0Ͻ200,50 12 3D co-ordinate input can be relative to the current UCS position or to the WCS, e.g a) 10 0,200 ,15 0 for... AutoCAD 2004 Drawing (*.dwg) 4 pick Save 14 Menu bar with File-Save As and: prompt Save Drawing As dialogue box respond 1 scroll at Files of type 2 pick AutoCAD Drawing Template File (*.dwt) 3 scroll and pick named folder 4 enter File name as: 3DSTDA3 5 pick Save prompt Template Description dialogue box respond 1 Enter: This is my 3D standard sheet 2 pick OK 3 4 Modelling with AutoCAD 2004 15 The created... pattern 21 2D models Step 4: the top 1 Set the elevation to 13 0 and the thickness to 15 2 Draw a circle, centred on 10 0 ,10 0 with radius of 50 3 Using the pickbox: a) pick the circle then the Properties icon b) set the colour to green Step 5: the 3D viewpoint 1 Menu bar with View-3D Views-SE Isometric 2 The model is displayed in 3D but appears rather ‘cluttered’ Step 6: hiding the model 1 Menu bar with. .. models 10 Menu bar with View-Zoom-All and pan to suit 11 Make layer MODEL current 12 Set variables to your own requirements, e.g GRIPS, PICKFIRST, etc While I generally work with these off, there will be occasions when they will be toggled on 13 Menu bar with File-Save As and: prompt Save Drawing As dialogue box respond 1 scroll and pick named folder (MODR2004) 2 enter File name: 3DSTDA3 3 file type: AutoCAD. .. paper space effect with U ϽRϾ to restore the icon as Fig 3.5(a) 21 Enter/select the following sequences: a) Menu bar with Tools-New UCS-Origin and enter 10 0 ,10 0 to display the icon as Fig 3.5(c) b) enter VPOINT ϽRϾ then R ϽRϾ with angles of 20 and 20 and the icon will be displayed as Fig 3.5(j) c) enter VPOINT ϽRϾ then 1, 1, 1 to give the icon as Fig 3.5(k) d) enter VPOINT ϽRϾ then R ϽRϾ with angles of... entry exercise A) WCS entry 1 With layer L1 current, use the LINE icon and draw: First point 0, 0, 0 ϽRϾ Next point 15 0, 10 0, 80 ϽRϾ absolute Next point @50,80,90 ϽRϾ relative absolute Next point @10 0Ͻ30, 10 0 ϽRϾ relative cylindrical Next point @12 0Ͻ40Ͻ؊20 ϽRϾ relative spherical Next point right-click and pick Enter line 1W line 2W line 3W line 4W 2 Draw a circle, centre: 0,0,0 with radius: 50 3 Add the... Menu bar with View-Regen to ‘restore’ the original model 7 8 Modelling with AutoCAD 2004 Step 6: another viewpoint 1 At the command line enter VPOINT ϽRϾ and: prompt Specify a viewpoint or [Rotate] enter R ϽRϾ – the rotate option prompt Enter angle in XY plane from X axis and enter: 315 ϽRϾ prompt Enter angle in XY plane and enter: 10 ϽRϾ 2 The model will be displayed from a different viewpoint without . ISBN 0 340 74053 1 Modelling with AutoCAD R14 for Windows NT and Windows 95 ISBN 0 340 7 316 1 3 An Introduction to AEC 5 .1 with AutoCAD R14 ISBN 0 340 7 418 5 6 Modelling with AutoCAD 2004 Bob McFarlane MSc,. 84 Chapter 12 Updating the A3 standard sheet 92 Chapter 13 Surface modelling 10 1 Chapter 14 3DFACE and PFACE 10 2 Chapter 15 3DMESH 11 1 Chapter 16 Ruled surface 11 4 Chapter 17 Tabulated surface 12 2 Chapter. w0 h1" alt="" Modelling with AutoCAD 2004 Other titles from Bob McFarlane Beginning AutoCAD ISBN 0 340 585 71 4 Progressing with AutoCAD ISBN 0 340 6 017 3 6 Introducing 3D AutoCAD ISBN 0 340 614 56