doc/salome/gui/GEOM/point.htm

   1 <!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">\r
   2 \r
   3 <html>\r
   4 \r
   5 <head>\r
   6 <title>Point</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
  10 <!--\r
  11 if (navigator.appName !="Netscape")\r
  12 {   document.write("<link rel='stylesheet' href='default.css'>");}\r
  13 //-->\r
  14 </script>\r
  15 <style type="text/css">\r
  16 <!--\r
  17 img_whs1 { width:20px; height:20px; border-style:none; }\r
  18 p.whs2 { font-size:12pt; }\r
  19 img_whs3 { border:none; width:312px; height:332px; float:none; border-style:none; }\r
  20 p.whs4 { font-size:12pt; margin-left:120px; }\r
  21 img_whs5 { border:none; width:312px; height:473px; float:none; border-style:none; }\r
  22 p.whs6 { font-size:12pt; margin-left:0px; }\r
  23 p.whs7 { font-size:12pt; font-style:italic; margin-left:0px; }\r
  24 img_whs8 { border:none; width:312px; height:421px; float:none; border-style:none; }\r
  25 p.whs9 { font-size:12pt; color:#000000; }\r
  26 p.whs10 { color:#808080; font-size:12pt; }\r
  27 img_whs11 { border:none; width:354px; height:326px; float:none; border-style:none; }\r
  28 p.whs12 { color:#808080; font-size:12pt; margin-left:40px; }\r
  29 -->\r
  30 </style><script type="text/javascript" language="JavaScript">\r
  31 <!--\r
  32 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))\r
  33 {\r
  34   var strNSS = "<style type='text/css'>";\r
  35   strNSS += "p.whs6 {margin-left:1pt; }";\r
  36   strNSS += "p.whs7 {margin-left:1pt; }";\r
  37   strNSS +="</style>";\r
  38   document.write(strNSS);\r
  39 }\r
  40 //-->\r
  41 </script>\r
  42 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">\r
  43 <!--\r
  44 function reDo() {\r
  45   if (innerWidth != origWidth || innerHeight != origHeight)\r
  46      location.reload();\r
  47 }\r
  48 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {\r
  49         origWidth = innerWidth;\r
  50         origHeight = innerHeight;\r
  51         onresize = reDo;\r
  52 }\r
  53 onerror = null; \r
  54 //-->\r
  55 </script>\r
  56 <style type="text/css">\r
  57 <!--\r
  58 div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }\r
  59 -->\r
  60 </style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>\r
  61 <script type="text/javascript" language="javascript" src="whver.js"></script>\r
  62 <script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>\r
  63 <script type="text/javascript" language="javascript1.2" src="whutils.js"></script>\r
  64 <script type="text/javascript" language="javascript1.2" src="whtopic.js"></script>\r
  65 </head>\r
  66 <body><script type="text/javascript" language="javascript1.2">\r
  67 <!--\r
  68 if (window.gbWhTopic)\r
  69 {\r
  70         if (window.addTocInfo)\r
  71         {\r
  72         addTocInfo("GEOM module\nCreating geometrical objects\nCreation of Basic Geometric Objects\nPoint");\r
  73 addButton("show",BTN_TEXT,"Show","","","","",0,0,"","","");\r
  74 \r
  75         }\r
  76         if (window.writeBtnStyle)\r
  77                 writeBtnStyle();\r
  78 \r
  79         if (window.writeIntopicBar)\r
  80                 writeIntopicBar(1);\r
  81 \r
  82         if (window.setRelStartPage)\r
  83         {\r
  84         setRelStartPage("geom.htm");\r
  85 \r
  86                 autoSync(1);\r
  87                 sendSyncInfo();\r
  88                 sendAveInfoOut();\r
  89         }\r
  90 }\r
  91 else\r
  92         if (window.gbIE4)\r
  93                 document.location.reload();\r
  94 //-->\r
  95 </script>\r
  96 <h1><b style="font-weight: bold;"><span style="font-size: 14pt;"><font size=4 style="font-size:14pt;"><img src="files/salome2_sp3_basicgui_functions_salome2_sp3_basicgui_functions_image27.gif" width="20px" height="20px" border="0" class="img_whs1"> </font></span></b>Point</h1>\r
  97 \r
  98 <p>To create a <span style="font-weight: bold;"><B>Point</B></span> in the <span \r
  99  style="font-weight: bold;"><B>Main Menu</B></span> select <span style="font-weight: bold;"><B>New \r
 100  Entity - &gt; Basic - &gt; Point</B></span></p>\r
 101 \r
 102 <p>&nbsp;</p>\r
 103 \r
 104 <p>There are three algorithms to <span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">create \r
 105  a </font></span><span style="font-size: 12pt; font-weight: bold;"><font size=3 style="font-size:12pt;"><B>Point</B></font></span><span \r
 106  style="font-size: 12pt;"><font size=3 style="font-size:12pt;"> in the 3D space.</font></span></p>\r
 107 \r
 108 <p class="whs2"><b style="font-weight: bold;"><span style="font-weight: normal;">Each \r
 109  time the</span> Result <span style="font-weight: normal;">of the operation \r
 110  will be a</span></b> GEOM_Object (vertex).</p>\r
 111 \r
 112 <p class="whs2">&nbsp;</p>\r
 113 \r
 114 <p class="whs2"><b style="font-weight: bold;"><span style="font-weight: normal;">Firstly, \r
 115  we can define a point by </span><span style="font-weight: normal;">and \r
 116  setting its X, Y and Z </span><span style="font-weight: bold;"><B>C</B></span></b><b><span \r
 117  style="font-weight: bold;"><B>oordinates</B></span><span style="font-weight: normal;">.</span> \r
 118  </b></p>\r
 119 \r
 120 <p class="whs2"><b style="font-weight: bold;">TUI Command :</b> \r
 121  &nbsp;&nbsp;<span style="font-style: italic;"><I>g</I></span>eompy.MakeVertex(X, \r
 122  Y, Z) </p>\r
 123 \r
 124 <p class="whs2"><b style="font-weight: bold;">Arguments: </b>Name \r
 125  <b><span style="font-weight: normal;">(Vertex_n by default) </span></b>+ \r
 126  X, Y and Z coordinates of the point.</p>\r
 127 \r
 128 <p class="whs2">&nbsp;</p>\r
 129 \r
 130 <p class="whs2"><img src="pics/point1.png" x-maintain-ratio="TRUE" width="312px" height="332px" border="0" class="img_whs3"></p>\r
 131 \r
 132 <p class="whs2">&nbsp;</p>\r
 133 \r
 134 <p class="whs2">Secondly, &nbsp;we \r
 135  can define a point by a <span style="font-weight: bold;"><B>Reference</B></span> \r
 136  to another point and the shift of the coordinates of the new point regarding \r
 137  the coordinates of the old one. </p>\r
 138 \r
 139 <p class="whs2"><b style="font-weight: bold;">TUI Command :</b> \r
 140  &nbsp;&nbsp;<span style="font-style: italic;"><I>g</I></span><span \r
 141  style="margin-left: 120px;">eompy.MakeVertexWithRef(Reference, X, Y, Z)</span></p>\r
 142 \r
 143 <p class="whs2"><span style="margin-left: 120px;"><b style="font-weight: bold;">A</span>rguments: \r
 144  </b>Name + 1 reference point + 3 coordinates defining the position of \r
 145  this point regarding the reference one</p>\r
 146 \r
 147 <p class="whs4">&nbsp;</p>\r
 148 \r
 149 <p class="whs2"><span style="font-size: 12pt; margin-left: 120px;"><font size=3 style="font-size:12pt;"><img src="pics/neo-point2.png" x-maintain-ratio="TRUE" width="312px" height="473px" border="0" class="img_whs5"></font></span></p>\r
 150 \r
 151 <p class="whs4">&nbsp;</p>\r
 152 \r
 153 <p class="whs6">Finally, we can define a \r
 154  point by an <span style="font-weight: bold;"><B>Edge</B></span> and a <span style="font-weight: bold;"><B>Parameter</B></span> \r
 155  &nbsp;indicating \r
 156  its position on the Edge. For example, 0.5 means that the point is located \r
 157  in the middle of the edge. </p>\r
 158 \r
 159 <p class="whs7"><b style="font-weight: bold; font-style: normal;">TUI \r
 160  Command :</b> &nbsp;&nbsp;geompy.MakeVertexOnCurve(Edge, \r
 161  Parameter) </p>\r
 162 \r
 163 <p class="whs2"><b style="font-weight: bold;">Arguments:<span> \r
 164  N</b>ame + 1 edge &nbsp;+ \r
 165  1 Parameter defining the position of the point on the given edge.</span></p>\r
 166 \r
 167 <p class="whs2">&nbsp;</p>\r
 168 \r
 169 <p class="whs2"><b style="font-weight: bold;"><img src="pics/point3.png" x-maintain-ratio="TRUE" width="312px" height="421px" border="0" class="img_whs8"></b></p>\r
 170 \r
 171 <p class="whs2">&nbsp;</p>\r
 172 \r
 173 <p class="whs9"><span style="font-size: 12pt; color: #000000;"><font size=3 color=black style="font-size:12.000000pt;"><b \r
 174  style="font-weight: bold;"><b style="font-weight: bold;">E</b>xample:</b></font></span></p>\r
 175 \r
 176 <p class="whs10">&nbsp;</p>\r
 177 \r
 178 <p class="whs2"><b style="font-weight: bold;"><img src="pics/points.png" x-maintain-ratio="TRUE" width="354px" height="326px" border="0" class="img_whs11"></b></p>\r
 179 \r
 180 <p class="whs12">&nbsp;</p>\r
 181 \r
 182 <p class="whs2">Our <span style="font-weight: bold;"><B>TUI Scripts</B></span> \r
 183  provide you with useful examples of creation of <a href="basic_geometrical_objects.htm#bookmark">Basic \r
 184  Geometric Objects</a>. </p>\r
 185 \r
 186 <script type="text/javascript" language="javascript1.2">\r
 187 <!--\r
 188 if (window.writeIntopicBar)\r
 189         writeIntopicBar(0);\r
 190 //-->\r
 191 </script>\r
 192 </body>\r
 193 </html>\r