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65 lines
3.3 KiB
Plaintext
65 lines
3.3 KiB
Plaintext
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/*!
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\page managing_dimensions_page Manage Dimensions
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\image html dimensions_preview.png
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Dimensions of sub-elements can be measured for a geometrical object representing a shape.
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There are three types of dimensions available
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<ul>
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<li>Length.</li>
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<li>Diameter.</li>
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<li>Angle.</li>
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</ul>
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Measurement units and group of presentation attributes for the measurement dimensions can be seen and changed from the \ref geometry_preferences_page "geometry preference dialog".
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The application entities, representing the dimensions, are associated with the geometrical object for which its elements are measured. The dimensions follow their associated object on show/hide, transformation and deletion operations.
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Each dimension instance has its <i>local visibility</i> flag intended for showing/hiding it among other dimensions of the associated object.
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\image html manage_dimensions.png
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This dialog allows managing list of dimensions for the selected geometrical object.
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It shows the list and provides dimension creation and removal, modification of name and visibility, along with the interactive modification of dimension's geometrical properties.
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The list view groups dimension objects by their type: "Distances", "Diameters", "Angles". This view allows selection of the dimensions and lets user to change the dimension's name and visibility.
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The buttons located at the right side of the dialog have the following purposes:
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<ul>
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<li>"Add" - opens \ref add_dimension_page "Add Dimension" dialog for interactive specification of a new dimension for the selected object.</li>
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<li>"Remove" - removes selected instance of dimension.</li>
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<li>"Show All" / "Hide All" - turn on/off local visibility flags of all dimensions presented in the list.</li>
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</ul>
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\image html interact_with_dimensions.png
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Geometrical properties of the selected dimension become interactively editable in viewer.
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When hovering with mouse, the element of dimension become highlighted.
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This means that the element is ready for interactive operations.
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The following interactive operations are allowed:
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<ul>
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<li>Modification of flyout length. By dragging the flyout with left mouse button the user is allowed to change its length without changing its plane (direction).</li>
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<li>Modification of flyout length & plane (direction). If dimension is viewed at least slightly from side, then dragging the flyout with holding <i>ctrl</i> key additionally enables modification of the flyout plane.</li>
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<li>Modification of label alignment. By dragging the label the user is allowed to change its alignment. </li>
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</ul>
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The following horizontally aligned positions can be specified:
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<ul>
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<li>Left. Label is located outside of the left flyout line.</li>
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<li>Right. Label is located outside of the right flyout line.</li>
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<li>Center. Label is centered among of the flyout lines.</li>
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</ul>
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The following vertically aligned positions can be specified:
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<ul>
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<li>On flyout line. The label is located at the side of flyout line, which is farther from the measured geometry.</li>
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<li>Under flyout line. The label is located at the side of flyout line, which is closer to the measured geometry.</li>
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<li>In center of flyout line.</li>
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</ul>
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All of the modifications to the dimensions, until applied, are temporary. The "Apply" and "Apply and Close" buttons save the changes.
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*/
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