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AutoCAD 2008 to create surface patterns to fill the domain with

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Chapter 8 to create surface Patterns to fill the domain with

Domain refers to the surface with the plane boundary region, it is a surface object can contain an internal hole. Judging from the exterior face of the closure of the domain and the general frame is no different, but the actual top of the domain did not like the thickness of a sheet of paper, in addition to including the borders, but also including the borders of the plane.

Filling pattern is a pattern using the specified lines, full of color to the operation of designated areas, often for the expression of different types of cutting surface and the appearance of objects, texture objects, are widely used in mechanical drawing plans, building plans and geological structure plans and so on type of graph.

Teaching focus and difficult

Will be converted to surface domain graphics

The use of fill patterns

Circle drawing wide lines filled with two-dimensional graphics

8.1 will be converted to surface domain graphics

In autocad 2008, you can be surrounded by some of the closed object into a surface region domain, such an enclosed area can be round, oval, closed two-dimensional multi-segment lines and closed objects, such as spline curves, as well as by the arc , linear, two-dimensional multi-segment lines, elliptical arc, spline curves, such as object consisting of an enclosed area.

The creation of surface domain

Opposite Boolean domain

Extract data from the surface domain

8.1.1 the creation of surface domain

To create a surface domain, you can select "graphics" | "Surface domain" command (REGION), or in the "panel" option board "two-dimensional graphics," Regional Options, click "surface field" button and then select a or more used to convert the closed surface domain graphics, when pressing the Enter key They can be converted to surface domain. Because the yen, such as closed polygon graphics are wireframe model, and the surface domain model are entities, they demonstrated in the form selected is not the same.

AutoCAD 2008 to create surface patterns to fill the domain with

8.1.2 Boolean opposite domains

Boolean is a mathematical logic operations, drawing in the AutoCAD drawing to improve the efficiency of a great role, especially when the complexity of the graphics rendering when. Boolean operators include only the target entities and a total surface of the surface domain, the general lines of graphic object can not use the Boolean operation.

AutoCAD 2008 to create surface patterns to fill the domain with

8.1.3 Extracting data from the surface domain

Surface domain object in addition to general attributes of graphical objects, but also with the properties of the object surface, which is an important quality characteristics of properties.

In AutoCAD 2008, select the "Tools" | "query" | "Surface domain / quality characteristics" command (MASSPROP), and select data to extract the surface domain object, and then press the Enter key, the system will automatically switch to the "AutoCAD text window ", and display selected data on surface properties of the object domain.

AutoCAD 2008 to create surface patterns to fill the domain with

8.2 Use Pattern Filling

Multi-draw some designs to fill a region of graphics in order to express the characteristics of the region, such as fill pattern fill operation. Filling pattern is widely used, for example, in mechanical engineering drawings, you can use a cutting expression patterns to fill the region, can also be filled with different patterns to express different parts or materials.

Set pattern to fill

Set Gudao

The use of gradient fill color graphics

Edit Pattern Filling

Decomposition patterns

8.2.1 Setting Pattern Filling

Select "graphics" | "pattern fill" command (BHATCH), or in the "panel" option board "two-dimensional graphics," Regional Options, click "fill pattern" button, open the "pictorial and Gradient fill color" dialog box "pattern fill" tab, you can set the type of when filling patterns and designs, and other characteristics of perspective and proportion.

AutoCAD 2008 to create surface patterns to fill the domain with

8.2.2 Set Gudao

Click the "pictorial and Gradient fill color" button the lower right corner of the dialog box will display more options, such as islands and border set to retain information.

AutoCAD 2008 to create surface patterns to fill the domain with

8.2.3 the use of gradient fill color graphics

The use of "pattern and gradient fill color" dialog box of "Graduated Tint" tab to create one or two colors to form the gradient colors, and patterns to fill.

AutoCAD 2008 to create surface patterns to fill the domain with

8.2.4 Editor filling pattern

Created a pattern fill, if necessary to amend or modify the filling pattern of the pattern of regional borders, choose "Edit" | "object" | "pattern fill" command, and then click in the graphics window to fill the needs of editorial design, at this time will be Open the "Edit HATCHEDIT" dialog box.

AutoCAD 2008 to create surface patterns to fill the domain with

8.2.5 Decomposition of design

Pattern is a special kind of block, referred to as "anonymous" block, no matter how complicated the shape, it is a separate object. Can use the "modified" | "break down" order to break down a pre-existing patterns of association.

After the pattern is broken down, it will no longer be a single object, but as patterns of lines. At the same time, after the decomposition patterns and graphics have lost relevance, therefore, will not be able to use the "modified" | "object" | "pattern fill" command to edit.

Circle 8.3 Drawing wide lines filled with two-dimensional graphics

Circle, filled with wide-line and two-dimensional graphical objects are filled with graphics. If you want to show the effect of fill, you can use the FILL command, and fill mode is set to "open (ON)".

Drawing Circle

Wide line drawn

Filled two-dimensional graphics rendering

8.3.1 Draw Circle

Drawing filled circle is to create a round circle or entity to fill a short-cut. In AutoCAD, the ring actually has a line width of the multi-stage formed closed.

To create a circle, can enroll in the "graphics" | "circle" command (DONUT), assigned to it by the diameter and the diameter, and then specify a different center to create a continuous circle diameter than the same object, until by the Enter key the end of the command. If you want to create entity filled circle diameter values should be designated as 0.

8.3.2 Draw line width

Drawing wide lines need to use the TRACE command, and its use with the "straight line" command is similar to drawing a wide line of graphics similar to filling quadrilateral.

8.3.3-filled two-dimensional graphics rendering

In AutoCAD 2008, select the "graphics" | "surface" | "Two-dimensional filling" command (SOLID), can draw a triangle and the quadrilateral region colored filling.

Drawing a triangle fill area, select "graphics" | "surface" | "Two-dimensional fill" command, followed by the specified angle triangle of three points, press the Enter key until the exit command.

Similarly, the use of "graphics" | "surface" | "Two-dimensional filling" command can also draw filled quadrilateral region, but if the first 3:00 and 4:00 of the order of the different, the shape of the graphics will be different.

AutoCAD 2008 to create surface patterns to fill the domain with

AutoCAD 2008 to create surface patterns to fill the domain with

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