## Lesson17- Relative Polar Coordinates

The @X,Y format for entering relative coordinates is also referred to as cartesian relative coordinates. when drawings involve angles other than multiples of 90 degrees it can be awkward to work with cartesian coordinates. Sometimes it is easier to work with relative coordinates that use distances and angles instead of X and Y ordinates. these are called relative polar coordinates and you enter them on the command line when prompted for points by typing @R<A. @R<A can be interpreted as Read More...

## Lesson16- Relative Cartesian Coordinates

It is inefficient to work with absolute coordinates all of the time. you are normally more concerned about where a coordinate is  relative to other coordinates. for example, when you draw a LINE you would want to specify the length of the LINE relative to the starting point. You can specify a point relative to your last point by typing the @ character before you type the X & Y ordinates. you normally enter relative coordinates in a command after Read More...

## Lesson15- Absolute Coordinates

You eventually supply at least one point when you use most commands in AutoCAD so it is practical to learn basic options for inputting points. You have already supplied points to commands (perhaps without even realizing it) by just clicking with your left mouse button. for example, picking two points when you use Zoom Window is an example of inputting points in AutoCAD. Other typical prompts for points are shown below. Specify first point:  Specify next point or [Undo]: Specify first corner:  Specify opposite Read More...

## Lesson14- Making New Drawings From Templates

You were able to quickly set up drawings in the previous exercise after creating a New drawing from scratch but you did not complete the setup by adding layers, dimension styles, text styles and adjusting other preferences. these additional steps can be time consuming to repeat every time you start a new drawing. One way to save time is to Saveas a drawing that has already been completely set up as a template file. template files are identical to drawing Read More...

## Lesson13- Starting Drawings From Scratch

One way to create a new drawing is to use the New command and select the Start from Scratch button there are no objects & no custom definitions (e.g. layers, dimension styles, text styles etc..) when you start from scratch. If you select English (feet and inches) for Default Settings the new drawing is appropriate for models created in inches. English drawings are similar to drawings created from the Acad.dwt template file. English drawings can also be used with Architectural & Read More...

## Lesson11- Saving & Restoring Views

It can be time consuming to compose the desired view on screen from scratch every time use View to make a New named view of the current display. then you can use View to Restore the desired named view. Practice with Saving & Restoring Views Continue with the same drawing from the previous exercise 2- Pick View + Named Views. Then pick the New button in this dialogue box 3- Enter Laundry Room as the View name and pick OK without Read More...

## Lesson12- Drawing Setup Overview

Drawing setup is very important when you create new drawings using AutoCAD 2000. if you organize drawing setup properly you will save time later on and your drawings will have a more consistent appearance. This section is an overview of drawing setup concepts and you should not be concerned if you are (initially) confused. the many aspects involved in setting up a drawing to suit your application can be overwhelming when you are new to AutoCAD. drawing setup will make Read More...

## Lesson10- ZOOM & PAN In Real Time

Zoom Realtime lets you watch your view magnification change as you drag your cursor in real time. in other words, this feature is like Zoom Scale in real time. Press <enter> at the first Zoom prompt to use <real time> you can also invoke this mode directly from the View + Zoom  pulldown menu or from the Zoom toolbar (or Standard toolbar). Pick & drag (with the left mouse button) upwards to increase the view magnification while you drag. Pan lets you Read More...

## Lesson 9- ZOOM Scale

You can specify a relative change in view magnification by using Zoom Scale and typing a factor followed by the X character. the view center remains in the center of the display window. scale factors larger than 1.0 have a zoom in effect while factors less than 1.0 have a zoom out effect. Zoom In (2X) and Zoom Out (0.5X) use the Scale option of Zoom. you will find these 2 menu options in the View + Zoom pulldown Read More...

## Lesson 8- ZOOM Extents

The extents of your drawing could be defined as the drawing area occupied by objects on thawed layers. this means your extents may change when you add or delete objects and when you freeze or thaw layers. you will learn more about how to add & delete objects and how to freeze & thaw layers later in the course (not in this document). Use the Extents option of Zoom to display your current drawing extents such that it just fits Read More...

## Lesson 7- Zoom previous

AutoCAD keeps track of displayed views in the current drawing session up to a maximum of 10 previous views. use the Previous option of Zoom to restore the previous view. Practice with ZOOM Previous 1) Continue with the same drawing from the previous exercise. 2- Pick the Zoom Previous button from the Standard toolbar. AutoCAD remembers the view that was displayed last and the Zoom Previous option takes you back to this view. 3- Right-click in the drawing area to invoke a shortcut menu Read More...

## Lesson 6- ZOOM Window

Use the Window option of Zoom to see a selected area of your drawing displayed at a larger magnification. pick two corner points to define a box (window) around the area to be enlarged on-screen. the area inside the specified window is displayed at the highest magnification that will fit in your AutoCAD drawing window. Command: ZOOM ↵ Specify corner of window, enter a scale factor (nX or nXP), or [All/Center/Dynamic/Extents/Previous/Scale/Window] <real time>: W ↵ Specify first corner: (pick near Read More...

## Lesson 5- Drawing Scale & View Magnification

When creating drawings manually on a drafting board you must select a sheet size  select a drawing scale  select a place to begin drawing on the sheet Usually these decisions must be made before you have enough information to arrive at the best end results. Manual drawings often require more than one attempt because sheet sizes are inappropriate for the selected drawing scale drawings are not properly centered on the sheet  errors are made in scaling These routine problems are a constant Read More...

## Lesson 4- Quick Tour Exercise

1- Launch AutoCAD by double-clicking on the shortcut (if there is one) or by using the Start button. 2- Pick the Open a Drawing task button and then pick the Browse button to invoke the Select File dialogue box. 3- Navigate to your personal folder. Select the T101_1.dwg drawing file and pick the Open button to open this drawing. Throughout this course you will be instructed to open drawings or use other files that are stored in your personal folder. illustrations in Read More...

## Lesson 3- Getting Out Of Trouble

You may invoke a command and then realize that you are not using the right command for the desired task. you can press the <Esc> key to cancel a command that is currently running or you can right-click in the drawing area to invoke a shortcut menu & pick Cancel. you may have to canceltwice in some situations to return back to the “Command:” prompt. For example, if you invoke Line you could press <Esc> at the first (or any Read More...

## Lesson 2- Communicating With AutoCAD

Most tasks in AutoCAD involve commands that are explicitly invoked by selecting an option from a menu. for example, you could pick Draw in the pulldown menu and then pick Line to invoke the Line command.   You should always keep an eye on the command line because this is where AutoCAD communicates with you. for example, when you invoke the Line command AutoCAD will prompt you to “Specify first point”.     In some cases you respond to prompts by selecting an object Read More...

## Lesson 1- Starting & Closing AutoCAD

You can launch AutoCAD using the Start button like other Windows applications. pick the Start button in the Windows task bar, select Programs and look for AutoCAD. You can also double-click on a shortcut to launch AutoCAD (if there is one on your system). shortcuts can be customized to use a specific user profile and start in a specific default folder (right-click on shortchut). Closing AutoCAD You can Close AutoCAD using standard Windows methods and you will be prompted to save changes Read More...
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