progeCAD Professional manual The low-cost alternative to AutoCAD

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Creating complex entities - Adding hatching

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 progeCAD draws the hatch, the entire hatch is treated as a single entity and it is either associative or independent of the hatch boundary entities.

To select an area for hatching
  1. Do one of the following:
  2. Choose Draw > Hatch.
  3. On the Draw toolbar, click the Hatch tool (
    4. ).
  • Type bhatch and then press Enter.
  • From the Boundary Hatch dialog box, see Island Detection and choose an option:
  • Nested Islands The outer entity and all its islands are considered for hatching.
  • Outer Only Only the outer entity and its outer island are considered for hatching.
  • Ignore Islands Only the outer entity is considered for hatching.
    •  

    Nested islands ( A ), with outer island ( B ), and with ignore islands ( C ).

  • To keep any new entities that are created for drawing the boundary hatch, select the Retain Boundaries check box. Existing entities are always retained.
  • Specify the entities that you want made available for boundary hatching by doing one of the following:
  • Current viewport Select All Visible Entities to have all entities in the drawing considered when creating the boundary hatch.
  • Existing Set: Define only specific areas to be considered when creating the boundary hatch, which can improve system performance if you are working with a complex drawing.
  • NOTE You can alternate between All Visible Entities and Current Selection Set without having to select entities again using the Select Boundary Set button. The Current Selection Set option uses the last set of entities you selected with the Select Boundary Set button.
  1. At Boundary item click Add: pick points.
  2. In the drawing, click inside the closed perimeter of a boundary, not on the boundary itself. If desired, continue clicking inside additional closed perimeters.
  3. To complete the selection, press Enter.
  4. In the Boundary Hatch dialog box, click OK.
 
 
  1. Opens the drawing area for selection of enclosed areas to be hatched.
  2. Determines how hatching interacts with islands.
  3. Mark the check box to keep any new entities that are created to draw the boundary hatch. Existing entities are always retained.
  1. (Display only) Indicates the boundary is created as a polyline
  2. Choose to consider all visible entities when creating the boundary hatch.