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191 lines
7.3 KiB
HTML
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191 lines
7.3 KiB
HTML
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<h1><span style="font-size: 14pt;"><font size=4 style="font-size:14pt;"><img src="files/salome2_sp3_transformationgui_functions_salome2_sp3_transformationgui_functions_image129.gif" width="20px" height="20px" border="0" class="img_whs1"> </font></span>Rotation</h1>
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<p class="whs2"><b style="font-weight: normal;">T</b>o produce
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a <span style="font-weight: bold;"><B>Rotation</B></span> in the Main Menu select
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<span style="font-weight: bold;"><B>Operations - > Transformation - >
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Rotation</B></span></p>
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<p class="whs2"> </p>
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<p class="whs2">This operation <span style="font-weight: bold;"><B>rotates</B></span>
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the initial shape. </p>
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<p class="whs2"> </p>
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<p class="whs2"><b style="font-weight: bold;"><span style="font-weight: normal;">The
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first</span> </b><span style="font-weight: bold;"><B>Rotation</B></span> algorithm
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needs you to define an <span style="font-weight: bold;"><B>Object</B></span>
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to be rotated,
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an <span style="font-weight: bold;"><B>Axis</B></span> of rotation and an <span
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style="font-weight: bold;"><B>Angle</B></span> of rotation.</p>
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<p class="whs2"><b style="font-weight: bold;">TUI Command:</b><i>
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</i><span style="font-style: italic;"><I>geompy.MakeRotation(Shape, Axis,
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Angle)</I></span> </p>
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<p class="whs2"><b style="font-weight: bold;">Arguments:</b>
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1 shape + 1 vector for direction of rotation + 1 angle.</p>
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<p class="whs3"> </p>
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<p class="whs3"><img src="pics/transformation4.png" x-maintain-ratio="TRUE" width="400px" height="388px" border="0" class="img_whs4"></p>
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<p class="whs3"> </p>
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<p class="whs5"><span style="font-weight: bold; font-size: 12pt;"><font size=3 style="font-size:12pt;"><B>Reverse
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<span style="font-weight: normal;">checkbox allows to specify the direction
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of rotation.</span></B></font></span></p>
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<p class="whs2"><span style="font-weight: bold;"><B>Create a copy
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</B></span>checkbox allows to keep the initial object, otherwise it will be
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removed.</p>
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<p class="whs2"><b style="font-weight: bold;"><span style="font-weight: normal;">The</span>
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Result <span style="font-weight: normal;">will be any</span> </b>GEOM_Object.</p>
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<p class="whs3"> </p>
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<p class="whs6">The second algorithm allows
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to define the rotated <span style="font-weight: bold;"><B>Object</B></span> by
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three points. Rotation axis will pass through the <span style="font-weight: bold;"><B>Central
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Point</B></span> and will be will be orthogonal to a plane defned by three
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points. In this case rotation <span style="font-weight: bold;"><B>Angle</B></span>
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is the angle between two vectors directed from the first point to the
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second and to the third.</p>
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<p class="whs6"><span style="font-weight: bold;"><B>TUI
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Command:</B></span> <span style="font-style: italic;"><I>geompy.MakeRotationThreePoints(Shape,
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CentralPoint, Point1, Point2).</I></span></p>
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<p class="whs6"><span style="font-weight: bold;"><B>Arguments:</B></span>
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1 shape + 3 points. </p>
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<p class="whs6"> </p>
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<p class="whs3"><img src="pics/transformation4a.png" x-maintain-ratio="TRUE" width="400px" height="432px" border="0" class="img_whs7"></p>
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<p class="whs3"> </p>
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<p class="whs2"><b style="font-weight: bold;">Example:</b></p>
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<p class="whs2"> </p>
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<p class="whs8"><img src="pics/rotationsn1.png" x-maintain-ratio="TRUE" width="247px" height="292px" border="0" class="img_whs9"> <img src="pics/rotationsn2.png" x-maintain-ratio="TRUE" width="257px" height="291px" border="0" class="img_whs10"></p>
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<p class="whs11"> </p>
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<p class="whs11"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">Our </font></span><span
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style="font-weight: bold;"><B>TUI Scripts</B></span><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">
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provide you with useful examples of the use of <a href="transformation_operations.htm#bookmark1">Transformation
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Operations</a>. </font></span></p>
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<p> </p>
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