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Adding hatching

 

When you add hatching to a drawing, CAD.direct 2019 fills entities or enclosed areas with a pattern. You can choose a predefined hatch pattern, or you can create your own hatch pattern.

 

First you specify the hatch pattern and other options, and then you choose which entities

or enclosed areas that you want to hatch.

 

Hatch patterns are memory intensive.

Because hatch patterns can take a considerable amount of time to draw and display,

you may want to add hatching during the last steps of drawing creation or insert hatches on a separate layer that you can freeze as you continue to work on your drawing.

 

Specifying a hatch pattern

 

A hatch pattern consists of a repeating pattern of lines, dashes, and dots. You can

select a hatch pattern from a set of predefined patterns, or you can define a pattern of

your own. The hatch pattern you used most recently is the default pattern the next

time you add hatching.

 

The program supplies predefined standard hatch patterns, which are stored in the following hatch pattern library files:

 

• icad.pat — American National Standards Institute (ANSI)-compliant patterns.

• icadiso.pat — International Standards Organization (ISO)-compliant patterns.

 

You can use other external hatch pattern libraries, such as an office standard library,

customized patterns, and libraries available from vendors or standards organizations.

 

Selecting entities for hatching

 

You can add hatching to any entity that forms a closed boundary, for example, a circle

or rectangle. You can assign hatching to a single entity or several entities at the same time.

 

Existing hatches can be modified.

Type HATCHEDIT to modify existing hatches.

 

Hatch patterns are memory intensive.

Because hatch patterns can take a considerable amount of time to draw and display,

you may want to add hatching during the last steps of drawing creation or insert hatches on a separate layer that you can freeze as you continue to work on your drawing.

Selecting areas for hatching

 

You can add hatching to an area enclosed by selected entities to form the hatch

boundary. The hatch is formed in the enclosed area, not the entities themselves.

 

After CAD.direct 2019 draws the hatch, the entire hatch is treated as a single

entity and it is is either associative or independent of the hatch boundary entities.

 

Existing hatches can be modified.

Type HATCHEDIT to modify existing hatches.

 

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