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7.7 KiB
HTML
208 lines
7.7 KiB
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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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<p class="whs2"> </p>
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<p class="whs2">You can enter the values of X, Y, and Z coordinates
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of origin in the corresponding fields of the dialog box, or select a point
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in the object browser or 3D viewer, in this case the coordinates of origin
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are automatically filled in with the coordinates of the selected point.
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</p>
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<p class="whs2">The user then specifies components of X and
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Y axes direction.</p>
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<p class="whs2">Preview of the new LCS (small trihedron located
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and oriented according to parameters of LCS) is displayed in the 3D viewer
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and updated as soon as the user modifies some parameter. </p>
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<p class="whs2">Then the user presses <20>OK<4F> or <20>Apply<6C> button
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to create an LCS at the location with the specified coordinates. The new
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object is shown in the Object Browser and in 3D viewer.</p>
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<p class="whs2"> </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"> </p>
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<p class="whs2"> </p>
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<p class="whs2"><b style="font-weight: bold;">Arguments:</b>
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</p>
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<ul>
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<li class=kadov-p><p class="whs2"><b style="font-weight: bold;">1st
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Constructor :</b> Name + Coordinates of origin, X axis direction, Y axis
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direction</p></li>
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<li class=kadov-p><p class="whs2"><b style="font-weight: bold;">2nd
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Constructor :</b> Name + reference object.</p></li>
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<li class=kadov-p><p class="whs2"><b style="font-weight: bold;">3rd
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Constructor :</b> Name + 1 point of origin + X axis direction, Y axis
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direction.</p></li>
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</ul>
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<p class="whs2"> </p>
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<p class="whs2">.</p>
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<p class="whs2"> </p>
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<p class="whs2"><b style="font-weight: bold;">Dialog Box:</b></p>
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<p class="whs2"> </p>
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<table x-use-null-cells cellspacing="0" width="63.512%" class="whs3">
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<col class="whs4">
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<col class="whs5">
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<col class="whs6">
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<tr valign="top" class="whs7">
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<td width="49.962%" class="whs8">
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<p class="whs9"><img src="pics/neo-localcs1.png" x-maintain-ratio="TRUE" width="312px" height="391px" border="0" class="img_whs10"></td>
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<td width="45.348%" class="whs11">
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<p class="whs9"><img src="pics/neo-localcs2.png" x-maintain-ratio="TRUE" width="312px" height="289px" border="0" class="img_whs12"></td>
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<td width="4.69%" class="whs13">
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<p class="whs9"><img src="pics/neo-localcs3.png" x-maintain-ratio="TRUE" width="312px" height="359px" border="0" class="img_whs14"></td></tr>
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</table>
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<p class="whs15"> </p>
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<p class="whs16"><span style="font-weight: bold;
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margin-left: 80px;
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text-indent: -80px;
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font-size: 12pt;"><font size=3 style="font-size:12pt;"><B>Example:</B></font></span></p>
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<p class="whs17"> </p>
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<p class="whs18"><img src="image145.jpg" width="200px" height="219px" border="0" class="img_whs19"></p>
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<p class="whs18"> </p>
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<p> </p>
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