Function of CAD Software Drawing of objects using various elements (1) CONSTRUCTION LINE Construction line creates a line of infinite length At the command prompt, enter XLINE Command : XLINE and press enter Specify a point or [Hor/Ver/Ang/Bisect/Offset : hor [ Type 'hor' for horizontal line] Specify through point : [Select a point on screen] Specify through point : [Select another point] The CONSTRUCTION LINE passes through the entire drawing area. Use: Projecting points from FRONT VIEW to TOP VIEW or SIDE VIEW (2) One can type LINETYPE at the command prompt to invoke the line type manager dialogue box. Select required LINETYPE and click OK (3)One can type LTSCALE at command prompt to change the LINETYPE scale. At the command prompt, enter LTSCALE Command : LTSCALE New scale factor <current >: Enter a positive real value or press enter
Status bar : Status bar accommodates following buttons, namely, 'SNAP, GRID, ORTHO etc......'. Click on 'GRID' button on status bar and one will see small dots appear in the drawing area. The drawing area provides cross hairs, which are the two lines at right angles and the crossing point is a point of selection. The cross hairs are connected to mouse and the crossing point can be scrolled up-down and right-left. The two black arrows in the left corner of the drawing area indicate user the X and Y direction. This icon is called ' co-ordinate system icon's. The present co-ordinate system is the 'World Co-ordinate System' ( WCS). WCS / World Co-ordinate System : WCS or World Co-ordinate System is a basic co-ordinate system that is default in the CAD software. GRID : An area covered with regularly spaced dots or lines to aid drawing. The grid spacing is adjustable. The grid dots are never plotted. Grid shall show one the dots at a specified distance. One c...
Comments
Post a Comment