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SUPERHATCH-Express-Tool

SUPERHATCH (Express Tool)

    SUPERHATCH (Express Tool)

    Hatches an area using a selected image, block, xref, or wipeout object.

    Find

    SUPERHATCH displays the SuperHatch dialog box.

    Dialog Box Options

    Image Opens the Attach Image dialog box for specifying the image for the superhatch pattern.

    Block Opens a dialog box for specifying the block for the superhatch pattern.
    Xref Attach Opens the Xref File Name dialog box for specifying an xref file for the superhatch
    pattern.
    Wipeout Uses a wipeout object for the superhatch pattern.
    Select Existing Selects an existing image, block, xref, or wipeout object for the superhatch pattern.

    Curve Error Tolerance Specifies the error tolerance for the vector approximation of curved superhatch boundaries.

    You can use the Block option to create hatch patterns on-the-fly; you can created
    blocks with different layers, colors, and linetypes to create hatch patterns that
    react to layer states and plot with a variety of line weights. You can use hatch images
    on surfaces to get a rendered effect. Use 3D blocks as hatch patterns to place repeating
    items such as bricks, roof tiles, or fence fills in 3D drawings.

    NOTE: Because some objects are not supported by the BOUNDARY command, SUPERHATCH cannot
    use them as boundary edges. These objects include splines (although splined polylines
    work), circles in non-uniformly scaled blocks, ellipses within blocks, and text and
    mtext objects within blocks.

    Prompts

    For images:

    Insertion point <0,0: Specify an insertion point

    Base image size: Width: 1.00, Height: 0.24 <Unitless

    Scale factor <1: Specify a scale factor

    For blocks and xrefs:

    Insertion point: Specify an insertion point

    X scale factor <1 / Corner / XYZ: Specify the X scale factor

    Y scale factor (default=X): Specify the Y scale factor

    Rotation angle <0: Specify the rotation angle

    Specify a window around the block to define column and row tile distances.

    Specify block [Extents] First corner <magenta rectang: Specify a tiling (tesselation) frame, and press Enter

    Specify an option [Advanced options] <Internal point: Specify an internal point for hatch boundary, or enter A for advanced options, and
    press Enter

    For images and wipeout objects:

    Use TFRAMES to turn on and off the object frames.

    Error tolerance for curves:

    SUPERHATCH makes hatching to curved boundaries possible by traversing arc segments
    with a series of short straight segments. SUPERHATCH lets you to control the precision
    with which it traverses arc segments by allowing you to specify the maximum distance
    between the midpoint of any given segment and the arc. (See the Curve Error Tolerance
    option described in the Dialog Box Options above.)

    Maximum error distance for resolution of arcs:

    Entering a large error value results in fewer segments and faster performance, but
    arcs appear less smooth. Conversely, entering a very small value results in smooth
    hatching along arcs but places more of a processing burden during regeneration of
    a drawing.

    Example

    In this example, a block is used to create a superhatch pattern.

    Insert the block:

    Specify the framing around the block:

    Specify the boundary:

    Finished superhatch:

    Modifying a Superhatch

    Superhatch objects are glued together using unnamed groups. Therefore, they are not
    associative. If you want to modify a single object that is part of a superhatch, you
    can use the GROUP command to turn off selection of the group as follows:

    1) Start the group command.

    Command: group

    2) Make sure that the Include Unnamed check box is selected.

    3) Select the group. Note that “superhatch” appears in the description field for groups
    created by SUPERHATCH.

    4) Click Selectable.

    5) Choose OK.

    The individual objects can now be modified separately.

    File

    sprhatch.lsp

    Learning AutoCad

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