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2005-11-24 20:34:00 +05:00
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<h1><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><img src="image35.gif" width="16px" height="16px" border="0" class="img_whs1"></font></span>Local Coordinate
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System</h1>
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<p>To create a <span style="font-weight: bold;"><B>Local Coordinate System</B></span>
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in the <span style="font-weight: bold;"><B>Main Menu</B></span> select <span
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style="font-weight: bold;"><B>New Entity - > Basic - > Local Coordinate
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System</B></span></p>
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2006-02-07 20:58:35 +05:00
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<p class="whs2">There are three algorithms to choose from.</p>
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<p class="whs2"> </p>
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2006-05-06 14:44:32 +06:00
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<p class="whs2">Firstly, you can define the values of X, Y,
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and Z coordinates of origin and the directions of X and Y axes directly
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in the menu.</p>
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<p class="whs2"><span style="font-weight: bold;"><B>TUI command:</B></span>
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<span style="font-style: italic;"><I>geompy.MakeMarker(OX, OY, OZ, XDX, XDY,
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XDZ, YDX, YDY, YDZ)</I></span>, where OX, OY, OZ are coordinates of the origin
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of LCS, XDX, XDY, XDZ is a vector of OX direction
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of the LCS and YDX, YDY, YDZ is a a vector of OY direction of the LCS.</p>
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<p class="whs2"><b style="font-weight: bold;">Arguments:</b>
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Name + Coordinates of origin, X axis direction, Y axis direction.</p>
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<p class="whs2"> </p>
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<p class="whs3"><img src="pics/neo-localcs1.png" x-maintain-ratio="TRUE" width="312px" height="391px" border="0" class="img_whs4"></p>
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<p class="whs5"> </p>
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<p class="whs6">Secondly, you can simply
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select any object in the object browser or 3D viewer, in this case the
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coordinates of origin and axes direction of the LCS are calculated automatically
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basing on the selected object. </p>
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<p class="whs6"><b style="font-weight: bold;">Arguments:
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</b>Name + reference object.</p>
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<p class="whs6"> </p>
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<p class="whs3"><img src="pics/neo-localcs2.png" x-maintain-ratio="TRUE" width="312px" height="289px" border="0" class="img_whs7"></p>
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<p class="whs2"> </p>
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2006-08-01 13:08:38 +06:00
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<p class="whs2">The last algorithm of LCS construction allows
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to define the coordinates of origin by a point and axes directions by
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a line or a vector. </p>
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<p class="whs8"><b style="font-weight: bold;">Arguments:</b>
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<span style="font-weight: normal;">Name + 1 point of origin + X axis direction,
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Y axis direction.</span></p>
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<p class="whs2"> </p>
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<p class="whs3"><img src="pics/neo-localcs3.png" x-maintain-ratio="TRUE" width="312px" height="359px" border="0" class="img_whs9"></p>
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<p class="whs2"> </p>
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2006-02-07 20:58:35 +05:00
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<p class="whs2">Press <20>OK<4F> or <20>Apply<6C> button to create an LCS
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at the location with the specified coordinates. The new object is shown
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in the Object Browser and in 3D viewer.</p>
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<p class="whs10"> </p>
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<p class="whs11">Example:</p>
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<p class="whs12"><img src="image145.jpg" width="200px" height="219px" border="0" class="img_whs13"></p>
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<p class="whs12"> </p>
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<p> </p>
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