Creation of geometries by Coordinate system methods using AutoCad

AIM: To create Geometries using cartesian system methods, using line and circle tool.

There are mainly 4 types of cartesian methods

• Absolute Coordinates
• Relative Rectangular Coordinates
• Relative Polar Coordinates
• Direct Distance Entry

P1

Procedure:

Absolute coordinates system:

• Click on the AutoCad application to run the application
• Type QNEW in the command bar and enter
• Select default setting as Imperial (feet and inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Second point to be given is 8,1
• Third point to be given is 8,2
• Fourth point to given is 8,2
• Fifth point is 3,2
• Sixth point is 3,6
• Seventh point is 8,6
• Eighth point is 8,7
• Ninth point is 2,7
• Type CLOSE or 2,1 in specify next point to complete the geometry.

Relative Rectangular Coordinates:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Type @6,0 (Dx=6, Dy=0)
• Next, type @0,1 (Dx=0, Dy=1)
• Next, type @-5,0 (Dx=5, Dy=0)
• Next, type @0,4 (Dx=0, Dy=4)
• Next, type @5,0 (Dx=5, Dy=0)
• Next, type @0,1 (Dx=0, Dy=1)
• Next, type @-6,0 (Dx=-6, Dy=0)
• Next, type CLOSE or @0,-6 (Dx=0, Dy=-6)
• The Geometry is done.

Relative Polar Coordinates:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Type @6<0 (towards east)
• Next, type @1<90 (towards north)
• Next, type @5<180 (towards west)
• Next, type @4<90 (towards north)
• Next, type @5<0 (towards east)
• Next, type @1<90 (towards north)
• Next, type @6<180 (towards west)
• Next, type CLOSE or @6<270 (towards south)
• The Geometry is completed.

Direct Distance Entry:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Press 6 and keep cursor towards east
• Press 1 and keep cursor towards north
• Press 5 and keep cursor towards west
• Press 4 and keep cursor towards north
• Press 5 and keep cursor towards east
• Press 1 and keep cursor towards north
• Press 6 and keep cursor towards west
• Type CLOSE or press 6 and keep cursor towards south
• The required Geometry is completed.

Result:

P2

Procedure:

Absolute Coordinates system:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Second point to be given is 5,1
• Third point to be given is 5,5
• Fourth point to be given is 6,5
• Fifth point to be given is 6,1
• Sixth point to be given is 9,1
• Seventh point to be given is 7,8
• Eighth point to be given is 4,8
• Now type CLOSE or give ninth point as 2,1 to get the given geometry.

Relative Rectangular Coordinates:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Next, type @3,0 (Dx=3, Dy=0)
• Next, type @0,4 (Dx=0, Dy=4)
• Next, type @1,0 (Dx=1, Dy=0)
• Next, type @0,-4 (Dx=0, Dy=-4)
• Next, type @3,0 (Dx=3, Dy=0)
• Next, type @-2,7 (Dx=-2, Dy=7)
• Next, type @-3,0 (Dx=3, Dy=0)
• Next, type CLOSE or @-2,-7 (Dx=2, Dy=7) to complete the Geometry.

Relative Polar Coordinates:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify next point simultaneously after each next point entered
• Type @3<0 (towards east)
• Next, type @4<90 (towards north)
• Next, type @1<0 (towards east)
• Next, type @4<270 ( towards south)
• Next, type @3<0 (towards east)
• Next, type @7<90 (towards north)
• Next, type @2<180 (join point U and point V through line and erase line UA and line AV)
• After erasing, again take line command and take start point as V.
• Next, type @3<180 ( towards west)
• From W to P close the geometry through line and the required geometry is done.

Direct Distance Entry:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify the next point simultaneously after each next point entered
• Press 3 and keep the cursor towards east
• Press 4 and keep the cursor towards north
• Press 1 and keep the cursor towards east
• Press 4 and keep the cursor towards north
• Press 3 and keep the cursor towards east
• Press 7 and keep the cursor towards north
• Press 2 and keep the cursor towards west
• join point U and point V through line and erase line UA and line VA
• Again take line command and start through point V
• Press 3 and keep the cursor towards west
• The required geometry is available.

Result:

P3

Absolute Coordinate System

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify the next point simultaneously after each next point entered
• Next point is 3,1
• Next point is 3,5
• Next point is 5,3
• Next point is 7,5
• Next point is 7,1
• Next point is 8,1
• Next point is 8,8
• Next point is 7,8
• Next point is 5,5
• Next point is 3,8
• Next point is 2,8
• Type CLOSE or 2,1 to complete the geometry.

Result:

P4

Relative Polar Coordinate System

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify the next point simultaneously after each next point entered
• Type @8<90
• Next type @7<0
• Next type @8<270
• Next type @4<180
• Next type @1<90
• Next type @3<0
• Next type @6<90
• Next type @5<180
• Next type @7<270
• Type CLOSE or @1<180 to complete the Geometry.

Result:

P5

Relative Polar Coordinate System

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,1. It asks to specify the next point simultaneously after each next point entered
• Type @8<0
• Next type @6<90
• Next type @8<180
• Type CLOSE
• In Command box type LINE, asks to specify the first point
• Specify first point 3,2
• Next type @2<0
• Next type @3<90
• Next type @2<180
• Type CLOSE
• In Command box type LINE, asks to specify the first point
• Specify first point 6,2
• Next type @2<0
• Next type @3<90
• Next type @2<180
• Type CLOSE to get the desired Geometry.

Result:

P6

Relative Polar Coordinate System

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 0,0. It asks to specify the next point simultaneously after each next point entered
• Type @2<90
• Next type @4<0
• Next type @4<90
• Next type @3<180
• Next type @2<90
• Next type @6<0
• Next type @2<270
• Next type @3<180
• Next type @4<270
• Next type @4<0
• Next type @2<270
• Type CLOSE or @10<180 to complete the Geometry given.

Result:

P7

Absolute Coordinate system

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 1,1. It asks to specify next point simultaneously after each next point entered
• Specify point 6,1
• Next, specify point 6,3
• Next, specify point 3,3
• Next, specify point 3,2
• Next, specify point 2,2
• Next, specify point 2,4
• Next, specify point 5,4
• Next, specify point 5,6
• Next, specify point 1,8
• Now type CLOSE or specify point 1,1 to complete the given Geometry.

Result:

P8

Relative Polar Coordinate System

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 1,1. It asks to specify the next point simultaneously after each next point entered
• Type @7<90
• Next type @5<0
• Next type @4<270
• Next type @3<180
• Next type @3<270
• Next type @2<180 or CLOSE
• In Command box type LINE, asks to specify the first point
• First point to be given is 2,5. It asks to specify the next point simultaneously after each next point entered
• Type @2<90
• Next type @3<0
• Next type @2<270
• Next type @3<180 or CLOSE to get the give Geometry.

Result:

P9 Profile Wood

Absolute Coordinate system

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 0,0. It asks to specify next point simultaneously after each next point entered
• Specify point 10,0
• Specify point 10,1
• Specify point 8,1
• Specify point 8,5
• Specify point 10,5
• Specify point 10,6
• Specify point 5,9
• Specify point 0,6
• Specify point 2,6
• Specify point 2,1
• Specify point 0,1
• Type CLOSE
• In home tab click on Circle (centre and radius)
• Then command bar asks to specify centre point of circle
• Type 5,4
• Command bar asks to specify radius of circle
• Type 2 and the desired Geometry is done.

Result:

P10 Queen Post Truss:

Relative Polar Coordinate System

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 1,1. It asks to specify the next point simultaneously after each next point entered
• Type @4<90
• Next type @7<0
• Next type @4<270
• Press enter
• Again take line command
• Specify first point as 1,5
• type @5<45
• Press Enter
• Again take line command
• Specify point 8,5
• type @5<135
• Next type @3.5<270
• Press Enter
• Again take line command
• Specify first point as 1,5
• Then type @1<0
• Next type @1<90
• Join line HF
• Press Enter
• Again take line command
• Specify first point as 8,5
• Then type @1<180
• Next type @1<90
• Join line JF and the required Geometry is done.

Result:

P11 Mono Pitch

Absolute Coordinate system

Procedure:

• Click on AutoCad application to run the application.
• Type QNEW in command bar and enter
• Select default setting as Imperial (feet or inches)
• In the default setting, click on use a wizard, and in that advance setting, set the unit as decimal and precision as 0 and press next
• Set angle as decimal degree and precision as 0 then click next
• Set angle measure as east and next step
• Angle direction to be set in Counter-Clockwise direction
• Area to be given as length 10 and width 10
• Finish, then the new workspace appears
• In Command box type LINE, asks to specify the first point
• First point to be given is 1,1. It asks to specify next point simultaneously after each next point entered
• Specify point 3,1
• Specify point 5,1
• Specify point 7,1
• Specify point 7,3
• Type CLOSE
• Select LINE option from home tab.
• Command bar asks to specify first point
• Specify point 3,1
• Specify point 3, 1.667
• Specify point 5,1
• Specify point 5, 2.333
• Specify point 7,1
• The required Geometry is done.

Result:

THANK YOU.