Autodesk Autosketch 9 Upgrade (EN) 00309-091408-9300 Manuale Utente
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00309-091408-9300
Basic Features and Functionality
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Example of detailed Help for a tool
Basic Features and Functionality
Before you use AutoSketch, there are important features and functionality
that you should understand. Understanding the concepts in the following
sections is the key to a successful experience of doing this book’s exercises. It
is strongly recommended that you read this material carefully. Each concept
is briefly defined here and described in detail afterward.
that you should understand. Understanding the concepts in the following
sections is the key to a successful experience of doing this book’s exercises. It
is strongly recommended that you read this material carefully. Each concept
is briefly defined here and described in detail afterward.
■
Entity. A single object, such as a line, polygon, or symbol.
■
Properties. An item of information assigned to an entity. Properties
include geometry, layer, pen, pattern, and so on.
include geometry, layer, pen, pattern, and so on.
■
Scale. The ratio between the size of an entity in its scaled output and the
size of the real-world object it represents. For example, if an entity that is
1/4 inch long in its scaled output represents a real-world object that is 1
foot long, the drawing scale is 1/4"=1'0".
size of the real-world object it represents. For example, if an entity that is
1/4 inch long in its scaled output represents a real-world object that is 1
foot long, the drawing scale is 1/4"=1'0".
■
Coordinates. A pair of numbers that together specify the location of a
point in your drawing.
point in your drawing.
■
Drawing Origin. The point that serves as a location reference for all
entities in the drawing. The x- and y-axes cross at the drawing origin. The
coordinates of the drawing origin are 0,0.
entities in the drawing. The x- and y-axes cross at the drawing origin. The
coordinates of the drawing origin are 0,0.
■
Reference Grid. An on-screen drawing aid consisting of a snap grid and a
pattern of lines, crosses, or dots that visually represent the grid.
pattern of lines, crosses, or dots that visually represent the grid.
■
Grid Origin. The point from which the axes of the reference grid extend
outward.
outward.
■
Snap. A means of entering points using the mouse or keyboard. You can
change the snap at any time during most Draw and Edit operations by typ-
ing the appropriate keyboard shortcut.
change the snap at any time during most Draw and Edit operations by typ-
ing the appropriate keyboard shortcut.
■
Lock Modifiers. Four modifications that you can apply to a snap. Lock
modifiers align input with the last point and are applied after the snap.
modifiers align input with the last point and are applied after the snap.
For detailed information about these concepts, see the Help system.