1 <!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
\r
6 <title>Local Coordinate System</title>
\r
7 <meta http-equiv="content-type" content="text/html; charset=windows-1252">
\r
8 <meta name="generator" content="RoboHelp by eHelp Corporation www.ehelp.com">
\r
9 <link rel="stylesheet" href="default_ns.css"><script type="text/javascript" language="JavaScript" title="WebHelpSplitCss">
\r
11 if (navigator.appName !="Netscape")
\r
12 { document.write("<link rel='stylesheet' href='default.css'>");}
\r
15 <style type="text/css">
\r
17 img_whs1 { border:none; width:16px; height:16px; border-style:none; }
\r
18 p.whs2 { font-size:12pt; }
\r
19 p.whs3 { font-weight:bold; font-size:14pt; margin-left:40px; }
\r
20 img_whs4 { border:none; width:312px; height:391px; float:none; border-style:none; }
\r
21 p.whs5 { font-weight:bold; font-size:14pt; }
\r
22 p.whs6 { font-size:12pt; font-weight:normal; }
\r
23 img_whs7 { border:none; width:312px; height:289px; float:none; border-style:none; }
\r
24 p.whs8 { font-size:12pt; font-weight:bold; }
\r
25 img_whs9 { border:none; width:312px; height:359px; float:none; border-style:none; }
\r
26 p.whs10 { font-weight:bold; text-indent:-40px; font-size:14pt; margin-left:40px; }
\r
27 p.whs11 { font-weight:bold; margin-left:80px; text-indent:-80px; font-size:12pt; }
\r
28 p.whs12 { font-weight:bold; text-indent:-80px; font-size:12pt; margin-left:120px; }
\r
29 img_whs13 { border:none; width:200px; height:219px; border-style:none; }
\r
31 </style><script type="text/javascript" language="JavaScript">
\r
33 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))
\r
35 var strNSS = "<style type='text/css'>";
\r
36 strNSS += "p.whs10 {text-indent:1pt; }";
\r
37 strNSS += "p.whs11 {text-indent:1pt; }";
\r
38 strNSS += "p.whs12 {text-indent:1pt; }";
\r
39 strNSS +="</style>";
\r
40 document.write(strNSS);
\r
44 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">
\r
47 if (innerWidth != origWidth || innerHeight != origHeight)
\r
50 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {
\r
51 origWidth = innerWidth;
\r
52 origHeight = innerHeight;
\r
58 <style type="text/css">
\r
60 div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }
\r
61 p.WebHelpNavBar { text-align:right; }
\r
63 </style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>
\r
64 <script type="text/javascript" language="javascript" src="whver.js"></script>
\r
65 <script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>
\r
66 <script type="text/javascript" language="javascript1.2" src="whutils.js"></script>
\r
67 <script type="text/javascript" language="javascript1.2" src="whtopic.js"></script>
\r
68 <script type="text/javascript" language="javascript1.2">
\r
70 if (window.gbWhTopic)
\r
72 if (window.setRelStartPage)
\r
74 addTocInfo("Geometry module\nCreating geometrical objects\nCreating Basic Geometric Objects\nLocal Coordinate System");
\r
75 addButton("show",BTN_IMG,"Show","","","","",0,0,"whd_show0.gif","whd_show2.gif","whd_show1.gif");
\r
76 addButton("hide",BTN_IMG,"Hide","","","","",0,0,"whd_hide0.gif","whd_hide2.gif","whd_hide1.gif");
\r
81 if (window.setRelStartPage)
\r
83 setRelStartPage("index.htm");
\r
93 document.location.reload();
\r
97 <body><script type="text/javascript" language="javascript1.2">
\r
99 if (window.writeIntopicBar)
\r
100 writeIntopicBar(4);
\r
103 <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
\r
106 <p>To create a <span style="font-weight: bold;"><B>Local Coordinate System</B></span>
\r
107 in the <span style="font-weight: bold;"><B>Main Menu</B></span> select <span
\r
108 style="font-weight: bold;"><B>New Entity - > Basic - > Local Coordinate
\r
109 System</B></span></p>
\r
111 <p class="whs2">There are three algorithms to choose from.</p>
\r
113 <p class="whs2"> </p>
\r
115 <p class="whs2">Firstly, you can define the values of X, Y,
\r
116 and Z coordinates of origin and the directions of X and Y axes directly
\r
119 <p class="whs2"><span style="font-weight: bold;"><B>TUI command:</B></span>
\r
120 <span style="font-style: italic;"><I>geompy.MakeMarker(OX, OY, OZ, XDX, XDY,
\r
121 XDZ, YDX, YDY, YDZ)</I></span>, where OX, OY, OZ are coordinates of the origin
\r
122 of LCS, XDX, XDY, XDZ is a vector of OX direction
\r
123 of the LCS and YDX, YDY, YDZ is a a vector of OY direction of the LCS.</p>
\r
125 <p class="whs2"><b style="font-weight: bold;">Arguments:</b>
\r
126 Name + Coordinates of origin, X axis direction, Y axis direction.</p>
\r
128 <p class="whs2"> </p>
\r
130 <p class="whs3"><img src="pics/neo-localcs1.png" x-maintain-ratio="TRUE" width="312px" height="391px" border="0" class="img_whs4"></p>
\r
132 <p class="whs5"> </p>
\r
134 <p class="whs6">Secondly, you can simply
\r
135 select any object in the object browser or 3D viewer, in this case the
\r
136 coordinates of origin and axes direction of the LCS are calculated automatically
\r
137 basing on the selected object. </p>
\r
139 <p class="whs6"><b style="font-weight: bold;">Arguments:
\r
140 </b>Name + reference object.</p>
\r
142 <p class="whs6"> </p>
\r
144 <p class="whs3"><img src="pics/neo-localcs2.png" x-maintain-ratio="TRUE" width="312px" height="289px" border="0" class="img_whs7"></p>
\r
146 <p class="whs2"> </p>
\r
148 <p class="whs2">The last algorithm of LCS construction allows
\r
149 to define the coordinates of origin by a point and axes directions by
\r
150 a line or a vector. </p>
\r
152 <p class="whs8"><b style="font-weight: bold;">Arguments:</b>
\r
153 <span style="font-weight: normal;">Name + 1 point of origin + X axis direction,
\r
154 Y axis direction.</span></p>
\r
156 <p class="whs2"> </p>
\r
158 <p class="whs3"><img src="pics/neo-localcs3.png" x-maintain-ratio="TRUE" width="312px" height="359px" border="0" class="img_whs9"></p>
\r
160 <p class="whs2"> </p>
\r
162 <p class="whs2">Press «OK» or «Apply» button to create an LCS
\r
163 at the location with the specified coordinates. The new object is shown
\r
164 in the Object Browser and in 3D viewer.</p>
\r
166 <p class="whs10"> </p>
\r
168 <p class="whs11">Example:</p>
\r
170 <p class="whs12"><img src="image145.jpg" width="200px" height="219px" border="0" class="img_whs13"></p>
\r
172 <p class="whs12"> </p>
\r
176 <script type="text/javascript" language="javascript1.2">
\r
178 if (window.writeIntopicBar)
\r
179 writeIntopicBar(0);
\r