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All about images
AutoCAD is essentially a vector drawing
application. However, there are occasions when it would be useful to
display raster images as part of your drawing. It would also be useful
if you could make basic modifications to images and to be able to scale
them. Using such tools, you could use an image to trace some base
information.
(Added: 17-Jan-2001 Hits: 375 Rating: 1.00 Votes: 1)
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AutoCAD Boolean Operations
Working in 3D usually involves the use of solid
objects. At times you may need to combine multiple parts into one, or
remove sections from a solid. AutoCAD has some commands that make this
easy for you.
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Basic 3D
Covers: DDVPOINT, the properties command, Moving
in the Z Direction, The 3D Face Command, Drawing the Table, 3D Objects
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Changing an Object's Properties in AutoCAD
It is very common in AutoCAD to change the
properties of an object after you have created it. An example would be
offsetting a line and then changing it to a different layer. Every
object has properties. Some are common to all objects, such as layer,
linetype and color. Other object has very specific properties such as
text or blocks. Since there are many types of objects, there are also
many ways of modifying their properties.
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Creating Blocks in AutoCAD
In this lesson you will be introduced to blocks.
By definition, a BLOCK is a collection of simple entities (lines, arcs,
circles, text, etc.) that form a more complex entity that normally
represents an object in the real world, e.g. a door, a chair, a window,
a computer.
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Defining Attributes in AutoCAD
AutoCAD is also a database of information. Most
of that database contains the information for reproducing what you have
drawn, but you can also add information that is non-graphical. One of
the easiest ways of adding non-graphical information is to use
attributes. An attribute is text that can be attached to a block to
convey more information than just the geometry on its own could convey.
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Editing and Modifying With Grips
By now you should be familiar with grips. These
are the ‘blue squares’ that get highlighted when you select an object
outside of a command. Grips are handles that allow you to manipulate the
object without entering a command directly.
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Editing Graphics
In this tutorial you will learn how to edit
graphics and about setting model space limits.
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Hatching in AutoCAD
Hatching in AutoCAD is a way of filling in areas
of your drawing with a pre-formatted pattern to represent certain
materials. It is usually used in sectional views. With AutoCAD release
14, you can now use a solid fill to completely fill in areas such as
walls in a floor plan.
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Object Snap
The Object Snaps (Osnaps for short) are drawing
aids which are used in conjunction with other commands to help you draw
accurately.
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Units and Scales
Among the most important concepts that newcomers
to AutoCAD need to get to grips with are those of drawing scale and
drawing units. You cannot start creating sensible drawings with AutoCAD
until you are familiar with scale, units and the commands you use to
control them. This tutorial discusses these concepts, starting with the
two most commonly asked questions in this subject area.
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Using Co-ordinates
A good understanding of how co-ordinates work in
AutoCAD is absolutely crucial if you are to make the best use of the
program. If you are not familiar with co-ordinates and co-ordinate
systems, take some time to familiarise yourself with the basic concepts.
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