geom/doc/salome/gui/GEOM/input/common_operation.doc

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/*!
\page common_operation_page Common
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\b Common operation cuts the common part of a list of shapes and transforms it into an independent geometrical object.
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To produce it, select in the main menu <b>Operations - > Boolean - > Common</b>.
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\image html bool2.png "Common dialog"
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In this dialog:
- Input or accept the default \b Name of the resulting shape.
- Click the arrow button and select in the Object Browser or in the Viewer the <b>Objects</b> the common part which of should be found.
- Activate the corresponding check-box if you wish to <b> Detect Self-intersections </b>
- Activate \ref restore_presentation_parameters_page "Advanced options" if required.
- Press "Apply" or "Apply & Close" button to get the result (GEOM_Object).
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\note This algorithm does not find all types of self-intersections. It is tuned
to detect vertex/vertex, vertex/edge, edge/edge, vertex/face and edge/face
intersections. Face/face intersections detection is switched off as it
is a time-consuming operation that gives an impact on performance. To find
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all self-intersections use \ref check_self_intersections_page
"Detect Self-intersection tool".
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This operation can be performed using a <b>TUI Command:</b>
<em>geompy.MakeCommonList(theShapesList, checkSelfInte)</em>
<b>Arguments:</b> Name + a list of shapes + an optional flag for self-intersection check.
There is also a special <b>TUI Command</b> for the Common operation on two shapes :
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<em>geompy.MakeCommon(s1, s2, checkSelfInte)</em>
<b>Arguments:</b> Name + 2 shapes + an optional flag for self-intersection check.
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<b>Example:</b>
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\image html fusesn1.png "The initial shapes"
\image html commonsn.png "The resulting object"
Our <b>TUI Scripts</b> provide you with useful examples of the use of
\ref tui_common "Boolean Operations".
<b> More details </b>
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Please, refer to <a href="SALOME_BOA_PA.pdf">this document</a> for a detailed description of Boolean operations.
It provides a general review of the Partition and Boolean
operations algorithms, describes the usage methodology and highlights
major limitations of these operations.
*/