Autocad and its applications basics 2015 pdf

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autocad and its applications basics 2015 pdf

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Drafting Symbols

This command is used for creating a block, the properties of the block can be defined using the block definition window. Using this command you can open text style window which controls properties of the default AutoCAD text style. This command can be used to explode objects like Polyline to simple lines, an array or a block to a simple geometry etc. This command can be used to add rounded corners to the sharp edges of the geometry, these round corners are also called fillets.

This command can be used to add slant edges to the sharp corners, these slant edges are also called chamfers. This command can be used to open layer properties manage palette which is a tool for creating and managing layers in a drawing. Keyboard shortcuts or hotkeys are the shortest and quickest way of activating some of the common AutoCAD operations or commands. In this list I have included some of the most frequently used and useful keyboard shortcuts.

Clears screen to show only the drawing area and hides palettes and tabs. Press it again to reset default AutoCAD interface. You can use this palette to modify most of the properties of the object too.

You can also use PR command to open the property palette. You can use it to open design center palette which contains many AutoCAD blocks that can be used directly in your drawing.

You can use this keyboard shortcut to toggle the visibility of the command line. If for some reason your command line is hidden from the drawing area, then use this keyboard shortcut to bring it back. To paste the copied objects of the clipboard in the drawing keeping their original properties, you can use this keyboard shortcut. To paste the copied objects as a block you can use this keyboard shortcut, the block thus created will have a random set of characters as is name. You can use this keyboard shortcut to make blocks quickly without going through the create block window.

This keyboard shortcut can be used to undo last action in your drawing. You can press this shortcut key multiple times to undo many actions. You can activate or deactivate status bar icons using keyboard shortcuts, commands or by clicking on its respective icon. In this section, I have listed the most frequently used status bar options along with their properties and uses. This status bar tool will toggle the visibility of background grid which is often visible in your drawing area.

Toggle Snap mode, when snap mode is active AutoCAD cursor will jump to specific points in the drawing area which is defined in snap mode. By default the value of this system variable is set to -3 which keeps it off you change this system variable to 3 to make dynamic input active.

Dynamic input allows you to add information dynamically on the cursor tooltip. When ortho mode is on you can make lines either horizontally or vertically only. With polar tracking active you can make lines inclined to any angle which is defined in the polar tracking increment angle. Using this toggle you can activate the isometric drawing plane in AutoCAD. You can also toggle between different isoplanes using F5 function key. Using this option you can track snap points of geometries like center, midpoint, endpoint etc and make geometries with their reference.

One the most important status bar toggles. This option allows you to make precise AutoCAD drawings. This system variable toggles the visibility of lineweight in a drawing. The default value of this system variable is OFF which keeps the lineweight display off you can change its value to ON to keep lineweight visible in the drawing area.

Just like lineweight this status variable allows you to toggle the visibility of transparency of an object. You change the value of this system variable to 1 to make transparency visible or 0 if you want to make it invisible. Using this system variable you can select overlapping objects very easily.

When the value of this system variable is set to 2, an overlapping icon and a menu containing a list of overlapping objects appear and you can select the required object from this list. If you set the value of this system variable to 1, only the overlap icon appears not the menu. You can turn this off by changing the value of this system variable to 0. Dynamic UCS can be activated or deactivated using this function key. Using this status bar option you can open Graphics configuration window which is used to change settings related to display and graphics properties of AutoCAD.

These are some of the commands which can be frequently used in your drawing workflow to improve your overall efficiency. This command is useful for counting the number of blocks in your drawing. To count the block it should be visible in the drawing area.

Using this command you can convert single line as well as multiline text into geometries. Using this command you can make infinite lines starting from the point of selection.

When you trim or break this infinite line to a finite length it becomes a simple line geometry. This command makes a single point geometry in the drawing. To modify the type of point created by this command you can use PTYPE command and choose the desired point type from Point Style window. You can make a freehand sketch using this command. You can use Line, Polyline or Spline as the object type for making this freehand sketch.

To cancel repetition of command press ESC key. Using this subcommand you can perform calculations directly on the AutoCAD command line even when you are in the middle of a command. Explodes the block containing attributes retaining the attribute setting and its layer definition.

This is especially helpful if you want to retain the text of attribute after exploding the block. This command can be used to write arc aligned text in AutoCAD. You can use this command to even write text aligned to a circle. More about this command can be found in this related article. This command can be used to restore the last deleted object in your drawing. After deleting an object if you made many other changes in the drawing and realized that you might need to restore the deleted object then simply type OOPS and press enter.

This command can be used to change the space of an object from model space to paper space and vice versa. See the animated image shown below for reference. You can use this command to divide any 2D geometry into many equal parts.

At each point of division, a point geometry will be added on the 2D curve. It is helpful if you want to break a curve at the point of intersection with other curve or if you want to create a gap by breaking a part of the geometry. Using this command you can find a lot of information about your drawing like the date when the drawing was created and total editing time consumed on the drawing.

This command can be used to make the selection from your drawing with filters. As an example, you can use quick select to make a selection set containing all circles of the drawing with the radius of a particular value. You can paste the copied objects from clipboard to your drawing using this command. Using this command you can find lots of properties of an object like the layer they are on, area, length or radius, perimeter or circumference and a lot more.

To use this command simply type LIST on the command line then press enter and select the object from drawing area about which you want to know and press enter again.

This command was introduced in AutoCAD version and it can be used to make most of the dimensions like Linear, aligned, radius, diameter and baseline.

Using this command you can change the scale of existing Text or Mtext object in the drawing. When the scale of these text entities are changed the base point will remain fixed.

Using this command you can change the base point of a drawing without changing its origin. This is especially helpful in the situation where you want to insert the drawing into another as a Xref. By default, AutoCAD takes origin as the base point which can be modified using this command without changing the origin.

Using this command you can change the text justification of Text and Mtext elements in the drawing. Using this command you can set the drawing units and other settings like the precision of linear and angular dimensions and default rotation angle. Using this command you can make a multiline geometry which contains multiple parallel lines. I have made a simple table by importing blocks of design center as shown in the image below. To know more about finding the area in AutoCAD drawings refer to this related article.

Using this command you can reorient text entities in a best readable position. In image A below the text is oriented at different angles and in some of the situations, the text is not properly readable. This command can be used to find the coordinate values of a point in AutoCAD drawing. Using this command you can insert existing blocks of a drawing as a rectangular array component. Using this command you can extract closed boundaries from any enclosed area.

This boundary can be used to find the area of the enclosed region or for many other applications. This command can be used to make a dimension line inclined to a particular angle with respect to the positive side of the X-axis.

You can use this tool to make a Breakline symbol on a line. Using this command you can convert a text object into a Mtext object and you can also combine multiple separate Mtext objects into a single Mtext unit. As the name suggests this command can be used to save all of the open drawings in AutoCAD window.

There are many best practices that you follow to keep your AutoCAD software and PC in great working condition and there are also many inbuilt tools and commands in AutoCAD that help you in keeping the performance of your software properly optimized. In this section, you will find all those performance and optimization related commands which you can use in your daily workflow.

This command can be used to remove unused named objects like layers, blocks and dimension styles from the drawing. This command can also remove Defpoints layer and also layer containing objects but I would not recommend that.

Using this system variable you can turn off or on the visibility of filled area in hatches or wide polylines by changing its value to 0 or 1 respectively.

Goodheart-Willcox - AutoCAD and Its Applications Basics

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AutoCAD and Its Applications—Basics provides complete instruction for mastering fundamental AutoCAD commands and drawing techniques. The text.


Goodheart-Willcox - AutoCAD and Its Applications Basics

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