AutoCAD 2009 Essential

AutoCAD Free Trial

2009-03-26T04:19:00.001-07:00

AutoCAD Software

PC requirements:

Intel® Pentium® 4 processor or AMD® Athlon

2.2 GHz or greater

RAM
1 GB (Windows XP SP2)

2 GB or greater (Windows Vista)
Graphic Card
1280 x 1024 32-bit color video display adapter (True Color)
RAM 128 MB or greater

OpenGL®, or Direct3D® capable workstation class graphics card

Operation System

Windows XP Home, Service Pack 2
Windows XP Professional, Service Pack 2
Windows Vista Enterprise

Windows Vista Business

Windows Vista Ultimate

Windows Vista Home Premium

Drawing Template 模板

2009-03-21T23:45:00.000-07:00

A collection of standard predefined settings, such as units, title blocks, layers, text styles, and dimension styles

Store standards or guidelines in the form of drawing properties and other settings

Ensure a consistent look and functionality

Drawing template files have a .dwt file extension

Properties and Settings

1. Units settings

2. Layers

3. Dimension Styles

4. Text Styles

5. Linetype

6. Table Styles

7. Layout

8. Page Setup

9. Title Block

Plotting 打印

2009-03-21T22:27:00.000-07:00

Plot from Layout

1. Click to active the layout

2. Plotting Paper

3. Printable Area

4. Viewports

5. Paperspace icon

Plot from Model space

1. Click to activate Model space

2. UCS icon

Select "Window" from the list

Click a point to another point to specify the area

Plot result

Publish

Publishing gives the ability to create a list of drawings to plot, select what to plot from multiple files

Save the selected information as a Drawing Set Descriptions (DSD) file

DSD file can easily open and plot the data from the drawing list without having to reiterate 重复 what and how to plot

Plot Preview 打印预览

Review a full-page version of how the final plot will appear on the printed sheet or in the electronic file

Page Setup 页面设置

2009-03-21T05:48:00.000-07:00

Easily plotting a layout in different ways and for quickly configuring a layout

Page Setup Manager

Activate a page setup for a layout by Set Current or modify your page setups

Create new page setups, and import a page setup from a different drawing file

Activate Page Setup from Quick View Layouts

1. Click Quick View Layouts

2. Select the layout

3. Right-click - Page Setup Manager

Table 表格

2009-03-19T21:49:00.000-07:00

Organize data into columns and rows

Table Style 表格样式

Control the appearance of tables

4. Select Cell styles (Data, Header, Title)

5. Set properties for each cell styles

Insert Table

1. Select the Table Style

4. Set the number of Column and Row

5. Set the cell styles

Entering Table Data

Use arrow key to navigate between cells

Enter standard spreadsheet-style formulas

Use Auto-Fill grip to copy a formula

Single-click a cell to access the Table formatting options

Ellipse 椭圆

2009-03-19T21:26:00.000-07:00

A circle tilted on a plane at a specified rotation angle

A closed curve generated by four fixed points defining major and minor axes and crossing at right angles through the center point

Ellipse Arc 椭圆弧

Creates a section of an ellipse

Spline 样条曲线

2009-03-19T20:24:00.000-07:00

Curves which fit through control points using nonuniform rational B-splines (NURBS)

A smooth free-form line or edge that cannot be defined with straight lines and arcs, such as the curved edge

Curve elements of splines are not true arcs nor polylines

Create Spline

Open Spline

Spline Edit 编辑样条曲线

Edit by grips

Explode 分解

2009-03-19T20:16:00.000-07:00

Convert a polyline into its most basic shapes such as lines and arcs

Explode a polyline, all the attributes associated with polylines, such as width, are lost and a separate object is created for each segment

Polyline 多段线

2009-03-19T07:38:00.000-07:00

Polylines are special types of entities that incorporate segments such as lines and arcs into a single object

Use polylines can easily calculate a perimeter distance or the area of an irregular shape

Sharp corners are maintained in the offset

Polylines also have special properties:

■ Global Width

■ Start Segment Width

■ End Segment Width

Create Polyline

Create line and arc segments as a continuous single object

Pline - Arc - Line - Width (start, end width)

Polyline Edit 编辑多段线

Change certain characteristics of a polyline

Double-click on polyline to edit mode

Open

Join

Convert a line or arc into a polyline

Width

Tool Palettes 工具窗口

2009-03-19T06:40:00.000-07:00

Organize and access the tools you use most often

Tool Palettes window contains a tab for each tool palette

Add tools to Palette

2 ways:

■ Drag blocks or drawing files from DesignCenter

■ Right-click and drag a single piece of geometry from the drawing to a palette

Insert objects from Tool Palette

Click an object and insert into the drawing

DesignCenter 设计中心

2009-03-19T01:54:00.000-07:00

Reuse data from another drawing in the active drawing

Saves design time and helps ensure consistency across designs and among designers

Tree View

Preview

Description

Tree View, Preview, Description can be turn off

Insert blocks from DesignCenter

2 ways:

1. Drag the block from DesignCenter into the drawing

2. Double-click on the block

Can set the Scale, Rotation angle

Insert Block 插入图块

2009-03-19T01:20:00.000-07:00

Insert blocks from drawing database or any location in the hard disk

1. Specify the name of a block to insert

2. Select a drawing file to insert as a block

3. Preview of the selected block

4. Specify the insertion point on-screen

5. X, Y scaling factors

Different X, Y scale, the block will scaled proportionately

6. Specify the rotation angle of the block

Insert a drawing file, the drawing geometry references will come with it

Create Blocks 创建图块

2009-03-18T23:45:00.000-07:00

Creates a single object out of multiple objects so they appear and behave like a single piece of geometry

Block Definition: Block stored in the drawing database

Block Reference: A visible block definition in a drawing

1. Name: Specify the Block name

2. Base point: Click the button to define the Base point (insert point)

It's important to specify the base point for the block, otherwise the base point will be 0,0,0

3. Select the options

Retain: left as individual objects

Create a similar block

Convert to block

Using now

Delete

Pre-create all blocks, use later

4. Behavior

Annotative: Display same size in the different viewport scale

Scale uniformly: Same scale on both X, Y axis

Allow exploding

5. Description

6. Select objects

Block 图块

2009-03-17T22:35:00.000-07:00

A collection of objects grouped together into a single object

A object form by individual lines, arcs, and polylines, and repeating use in same drawing or other drawing, it's good to convert it to block

Block Behave

1. Retain Original Properties

Create blocks on any layer other than "0" layer

Do not use ByBlock or ByLayer for the properties

Create layer: Screw_T

Color: Blue

Linetype: Continuos

Lineweight: 0.3

Insert layer: Assembly

Color: Green

Linetype: Dashed

Lineweight: Default

2. Inherit Properties from Current Layer

Create blocks on "0" layer

Use ByLayer for the properties

Create layer: 0 layer

Color: Black

Linetype: Continuos

Lineweight: Default

Insert Layer: Assembly

Color: Green

Linetype: Dashed

Lineweight: Default

3. Inherit Properties from Current Property Settings

Create blocks on any layer

Use ByBlock for the properties

Create layer: Screw_T

Color: Black

Linetype: Continuos

Lineweight: 0.3

Insert layer: Assembly

Color: Green

Linetype: Dashed

Lineweight: Default

Hatch Edit 图案填充剪辑

2009-03-17T22:13:00.000-07:00

Remove Boundaries

Ignore selected boundaries

Recreate Boundary

Create a polyline or region around the selected hatch or fill

Double-click on the hatch pattern to the edit mode

Advanced Options

2009-03-17T07:31:00.000-07:00

Islands 孤岛

Detect boundaries that are inside the define boundary

Normal

Hatch - Ignore pattern

Outer

Stop hatching when detect the 1st island

Ignore

Ignore all the islands

Similar with Select objects

Island detection is useful when hatching areas contain text

Boundary Retention

A new object is created representing the defined boundary

Region: object cannot be reshape

Polyline: object can be reshape

Boundary Set

Determine the boundaries manually

Click New to set the boundaries

Gap Tolerance

Set the gap tolerance to allow any gap that is equal to or smaller than the tolerance to be ignored

If a gap exists in the boundary, the hatch pattern will not be associative

Inherit Options

Control the location of the hatch origin

Boundaries 边界

2009-03-17T06:34:00.000-07:00

Boundaries 边界

A closed area

Add Pick points: Pick internal point inside a boundary

For closed area form by overlap objects

Add Select objects: Select a closed object as boundary

Options

Associative: associative with the boundary

Create separate hatches: individual hatch for each boundary when select multiple boundaries

Draw Order: determines the pattern or gradient's position behind or in front of other objects

Inherit Properties

Retrieve the properties of an existing hatch pattern

Useful when the hatch pattern from web site or other source

Gradient 渐变色

2009-03-17T06:06:00.001-07:00

Color: One Color, Two Color

Orientation: Center, Angle

Hatch 图案填充

2009-03-17T03:47:00.001-07:00

Click the arrow to access the advanced hatch options

Type and Pattern 类型和图案

Type: Predefined, User defined, Custom

Pattern: Pattern list

Swatch: Visual swatch

Angle and Scale 角度和比例

Angle: Relative to default hatch angle

Default angle 45°, set Angle to 45° will become 90°

Hatch Origin

Use current origin: UCS origin

Specified origin: Controlling where the pattern begins

Pattern and Fill 样式与填充

2009-03-17T00:54:00.000-07:00

Hatch Pattern

Hatching is used across all design disciplines to enhance drawing view, clarify design features, and to show areas that were modified in drawings

Represent materials, special regions, or textures

Fill

Coloring in an area by Solid or Gradient

Boundary

Any combination of selected objects, such as lines, polylines, circles and arcs that create an enclosed area

Associative

Hatched object is edited, the hatch adjusts to the new shape

Dimension Edit 标注剪辑

2009-03-16T22:52:00.000-07:00

Align Text

1. Restore Default Text Position

2. Text Angle

3. Left Justify

4. Center Justify

5. Right Justify

Oblique

Oblique the extension line angle

DDEDIT

Add Text

Move cursor after dimension

Key-in any additional notations

Change to Text

Delete dimension

Key-in the new text

Multileaders

2009-03-16T22:14:00.000-07:00

Leader-based annotation

A style-based associative leader object that combines several different common elements such as lines and text into a single associative object

Enable to connect features on geometry to notes, balloon callouts, or other objects

Multileader Style

Block: Circle, Slot, Triangle

MText

None

Add Leader

Adds leader lines to existing multileader objects

Remover Leader

Removes leader lines

Align Multileaders

Aligns multileaders horizontally or vertically

Collect Multileaders

Collects multiple multileaders and combines them into a single multileader object

Make Multileaders annotative, the size will remain in different viewport scale as one object

Tolerances Tab - Dim Style

2009-03-16T02:21:00.000-07:00

Method

Symmetrical: Upper value same with lower value

Deviation: Upper value different with lower value

Limits: Show result of both tolerances

Basic: Box All dimensions

Alternate Units - Dim Style

2009-03-16T01:25:00.000-07:00

Show 2 measurement units, Metric and Imperial

Primary Units Tab - Dim Style

2009-03-16T01:17:00.001-07:00

Precision: 0.00

Scale factor: 1

Change the measurement scale factor if not draw in full scale

Zero suppression

Trailing: After the decimal point