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How to draw a line using polar co-ordinate system.

we can use absolute or relative polar coordinates (distance and angle) to locate points when creating objects.



The polar coordinate system is a two-dimensional coordinate system in which each point P on a plane is determined by the length of its position vector r and the angle q between it and the positive direction of the x-axis.




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Draw a line using polar co-ordinate system in AutoCAD

1. Open AutoCAD software from desktop short cut or from start menu.   2. Now type "LINE" and press ENTER KEY. Then enter 0,0 as first point of the line.   3. Then type 5<30 as second point of the line. This "<" symbol is used for the line point moves to 30 degrees from positive x-axis. 4.  Now again type 2.45<270 as next point of the line. 5. After generating the line press <Esc> key from key board to exit from line command. The lines shown like below image. BACK to Day-1 Lessions CLICK HERE to get CAD HOME Work help or project help (paid)
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step by step procedure to locking and unlocking layers in AutoCAD

1. a)Open AutoCAD application from desktop shortcut menu. b)Select new document icon from quick access toolbar and open “ansi-a” template. c)Now click on model layout tab. d)Click on “LINE” command from draw panel. e)Now move the cursor to 4 units in X axis and 2 units in Y axis and pick the line stating point. f)Now move the cursor 2 units horzontally rights side and pick another point of the line. g)Like wise above steps move the cursor or cross hair to required points shown bellow image and pick the points to get the required shape. h)Finally enter “C” to close the line. i)And draw circle by using Circle command. j)And draw the center lines. k)Then apply it’s layers accordingly. Now select layers drop down arrow to see the total layer types. Now click on Lock icon of object layer and we can observe lock to be closed. See the image bellow. 2.Now double click circle element then AutoCAD shows the quick properties dailog box. 3.Now click on radius box in quick properti...
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Step by step procedure to extract attributes in AutoCAD

1. a)Open AutoCAD application from desktop shortcut icon or start menu. b)Click on “open icon” and select “EX16-8” file then click on “Open” button. 2.Type “DATAEXTRACTION” command and press ENTER KEY then add the extracted data by using below shown steps. 3.Save the document by clicking on quick save icon from quick access tool bar.
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Step by step procedure to move the objects in AutoCAD 2015

1. a)Open AutoCAD application from desktop shortcut menu. b)Select new document icon from quick access toolbar and open “ansi-a” template. c)Now click on model layout tab. d)Click on “LINE” command from draw panel. e)Now move the cursor to 4 units in X axis and 2 units in Y axis and pick the line stating point. f)Now move the cursor 2 units horzontally rights side and pick another point of the line. g)Like wise above steps move the cursor or cross hair to required points shown bellow image and pick the points to get the required shape. h)Finally enter “C” to close the line. i)And draw circle by using Circle command. j)And draw the center lines. k)Then apply it’s layers accordingly. Turn ON the Object snap and Polar Tracking options by clicking the icons from status bar. 2.Now click on Home tab menu to view the modify panel. 3.Now click on move command icon from modify panel. 4.Select the circle element. 5.Now select the center line elements also and press key. 6....
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Procedure to insert drawing file from windows explorer in AutoCAD

1. a)Open AutoCAD application from desktop shortcut icon or start menu. b)Click on “open icon” and select “CH16_EXERCISE2” file then click on “Open” button to open previously saved document. 2.Type “EXPLORER” and press ENTER KEY to view windows explorer. 3.Adjust the explorer window to visible both AutoCAD and explorer visible. 4.Locate the file “EX16-5.DWG” from standard drawings. 5.Select the drawing by using left mouse button. 6.Now the selected drawing by pressing right mouse button to workspace area. 7.Now select “Insert Here” option to inserting the dragged drawing. 8.Pick a point to insert the drawing and press ENTER KEY three times. 9.Save the drawing by clicking on quick save icon from quick access tool bar.
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Procedure to nonuniformly scaled unit blocks in AutoCAD

1. a)Open AutoCAD application from desktop shortcut icon or start menu. b)Click on “New icon” and select “acad” template file then click on “Open” button to start new document. 2.Create a unit square by using LINE command. 3.Create a STUD named block by using “BLOCK” command with square line elements. 4.Type “INSERT” and press ENTER KEY to view “INSERT” dialog box. 5.Select “STUD” block from block list. 6.Make sure to uncheck the “Specify on-Screen” check box. 7.Type “2” as scale value in X direction. 8.Type “4” as scale value in “Y” direction and click on “OK” button. 9.Pick anywhere in the workspace to insert the scaled block. 10.Again type “INSERT” and press ENTER KEY. 11.Select “STUD” from insert block’s list. 12.Enter “2” as scale value in X direction. 13.Enter “8” as scale value in Y direction. 14.Then click on “OK” button and place the scaled block in the workspace. 15.Type “INSERT” and press ENTER KEY. 16.Select “STUD” from insert block list. 17.Enter “2” as s...
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Step by step procedure to create blocks in AutoCAD

1. a)Open AutoCAD application from desktop shortcut icon or start menu. b)Click on “New icon” and select “acad” template file then click on “Open” button to start new document. 2.Type “LAYER” command and press ENTER KEY. Create two layers with given settings like shown below. 3.Select “Layer 0” and create “A” letter and a circle rounded with it. 4.Select “WINTAB-B” layer form layer list and create “B” letter with surrounded circle. 5.Select “Layer 0” and create “C” letter with surrounded circle. 6.Type “BLOCK” and press ENTER KEY. 7.Create “WINTAG-A” as block name. 8.Click on “Pick point” button from Base point area. 9.Pick center point of the circle surrounded with “A” and press ENTER KEY. 10.Click on “Select objects” button from objects area. 11.Select both “A” and surrounded circle and press ENTER KEY. 12.Now turn on “Convert to block” radio button. 13.Tick mark ON for “Annotation” check box. 14.Then click on “OK” button. 15.Again do the steps like shown below. 16...
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Procedure to use zoom previous tool in AutoCAD 2015

1. a)Open AutoCAD application from desktop shortcut menu. b)Select open document icon from quick access toolbar and open “Willhome” from student files. 2.Now click on Extents option from Navigate panel. After selecting Zoom extents we can see the drawing like below. 3.Now click on window option from navigate panel. And pick a point like shown below and move the cursor right downwards. Then pick another point as zoom window opposite corner. Now we can see the zoomed area in the workspace. 4.Now click on Undo icon from quick access tool bar. 5.Now we can observe the view comes back to previous view. 6.Now continue to clicking on undo icon until the icon not activate positon.
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Procedure to publish the drawing set in AutoCAD

1. a)Open AutoCAD application from desktop shortcut icon or start menu. b)Click on “Open icon” and select “welding_fx” file from database files then click on “Open” button to open the document. 2.Type “PUBLISH” command and press ENTER KEY. 3.Select “Welding_fix-Model” from sheet name list and click on “Remove” button. 4.Select “DWF” option from Publish to list. 5.Click on “Publish options” button. 6.Make sure “Multi-sheet file” as Type and “Include” as Layer information for general dwf options. 7.Click on Preview button to preview the drawing and click on close preview button. 8.Click on “Publish” button and give name as “CH15_EXERCISE5” and press ok button. 9.Click on “NO” button.
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Step by step procedure to select an object in AutoCAD 2015

1. a)Open AutoCAD application from desktop shortcut menu. b)Select new document icon from quick access toolbar and open “ansi-a” template. c)Now click on model layout tab. d)Click on “LINE” command from draw panel. e)Now move the cursor to 4 units in X axis and 2 units in Y axis and pick the line stating point. f)Now move the cursor 2 units horzontally rights side and pick another point of the line. g)Like wise above steps move the cursor or cross hair to required points shown bellow image and pick the points to get the required shape. h)Finally enter “C” to close the line. i)And draw circle by using Circle command. j)And draw the center lines. k)Then apply it’s layers accordingly. Pick a point (point 1 shown in below iamge) above the circle element and move the cursor left downwards. 2.Now we can observe the dashed rectangle filled with green color. 3.Now pick another point of selection below the circle. 4.Select Erase tool from modify panel. 5.Now click on Undo ic...
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