Primitive Commands of CADD

Line commands	Ø  Randomly select points Ø  set a specific value for the snap function, Ø  select points  using the snap spacing value Ø  entre the coordinate value for the start & end points Ø  use relative inputs & specify the start point Ø   the length, the direction of line
Erase commands	Ø  Select individual lines Ø  window a group of line
Construction line	Ø  Basic /hor/ver/ang
Circle command	Ø  To draw a circle-radius Ø  To draw a circle-diameter Ø  To draw a circle 2 point Ø  to draw a circle-3point Ø  To draw a circle-Tangent tangent radius Ø  Quadrant-Sensitive application (TTR)
Circle centerlines	Ø  Redefine the dimcen system variable Ø  use the centre mark option found on the dimension toolbar
Polylines	Ø  To draw a polylines: Arc /close/halfwidth/length/width Ø  To Verify that a polyline is a single entity Ø  To draw different lines thickness.
Spline	Ø  draw a Spline: Arc /close/halfwidth/length/width, To draw different lines thickness.
Ellipse	Ø  To draw an ellipse- axis end, Ø  To draw an ellipse-Centre Ø  To draw an ellipse- arc Ø  To draw an ellipse by defining its angle of rotation about the major axis
Rectangle	Ø  By point fixing method (by point fixing through mouse) Ø   through coordinate systems (absolute ,polar, relative )
Polygen	Ø  To draw a polygon –centre point Ø   To draw a polygon-edge distance
Point	Ø  To change the shape of a point Ø  To change the size of a points Ø  Including all options
Text	Ø  To use the Dtext command Ø  To use the text tool (mtext) Ø  the multiline text editor dialog box options Ø  To change the text justification Ø  To use the Symbol option, other options
move	Ø  To move a line Ø  to move a object Ø  to move a some part of a object
copy	Ø  To draw a Single copy of a object Ø   To draw a multiple copies
offset	Ø  To offset a line Ø  To offset a object
Mirror	Ø  Mirror a line Ø  mirror a object