Salome HOME
Join modifications from branch BR_DEBUG_3_2_0b1
[modules/smesh.git] / doc / salome / gui / SMESH / files / removing_nodes_and_elements.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>Removing nodes and elements</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 ul.whs1 { list-style:disc; }\r
18 p.whs2 { margin-left:40px; font-weight:bold; }\r
19 p.whs3 { margin-left:40px; }\r
20 img_whs4 { border:none; width:27px; height:25px; border-style:none; }\r
21 img_whs5 { border:none; width:332px; height:231px; float:none; border-style:none; }\r
22 p.whs6 { margin-left:0px; }\r
23 img_whs7 { border:none; width:36px; height:38px; float:none; border-style:none; }\r
24 table.whs8 { x-cell-content-align:top; width:100%; border-spacing:0px; }\r
25 col.whs9 { width:31.569%; }\r
26 col.whs10 { width:68.431%; }\r
27 tr.whs11 { x-cell-content-align:top; }\r
28 td.whs12 { width:31.569%; padding-right:10px; padding-left:10px; border-right-style:none; border-left-style:none; border-top-style:none; border-bottom-style:none; }\r
29 img_whs13 { border:none; width:245px; height:289px; float:none; border-style:none; }\r
30 td.whs14 { width:68.431%; padding-right:10px; padding-left:10px; border-top-style:none; border-bottom-style:none; border-right-style:none; }\r
31 img_whs15 { border:none; width:252px; height:288px; float:none; border-style:none; }\r
32 table.whs16 { x-cell-content-align:top; width:55.882%; border-spacing:0px; }\r
33 col.whs17 { width:47.72%; }\r
34 col.whs18 { width:52.28%; }\r
35 td.whs19 { width:47.72%; padding-right:10px; padding-left:10px; border-right-style:none; border-left-style:none; border-top-style:none; border-bottom-style:none; }\r
36 img_whs20 { border:none; width:219px; height:210px; float:none; border-style:none; }\r
37 td.whs21 { width:52.28%; padding-right:10px; padding-left:10px; border-top-style:none; border-bottom-style:none; border-right-style:none; }\r
38 img_whs22 { border:none; float:none; width:240px; height:209px; border-style:none; }\r
39 -->\r
40 </style><script type="text/javascript" language="JavaScript">\r
41 <!--\r
42 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))\r
43 {\r
44   var strNSS = "<style type='text/css'>";\r
45   strNSS += "p.whs6 {margin-left:1pt; }";\r
46   strNSS +="</style>";\r
47   document.write(strNSS);\r
48 }\r
49 //-->\r
50 </script>\r
51 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">\r
52 <!--\r
53 function reDo() {\r
54   if (innerWidth != origWidth || innerHeight != origHeight)\r
55      location.reload();\r
56 }\r
57 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {\r
58         origWidth = innerWidth;\r
59         origHeight = innerHeight;\r
60         onresize = reDo;\r
61 }\r
62 onerror = null; \r
63 //-->\r
64 </script>\r
65 <style type="text/css">\r
66 <!--\r
67 div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }\r
68 p.WebHelpNavBar { text-align:right; }\r
69 -->\r
70 </style><script type="text/javascript" language="javascript1.2" src="../whmsg.js"></script>\r
71 <script type="text/javascript" language="javascript" src="../whver.js"></script>\r
72 <script type="text/javascript" language="javascript1.2" src="../whproxy.js"></script>\r
73 <script type="text/javascript" language="javascript1.2" src="../whutils.js"></script>\r
74 <script type="text/javascript" language="javascript1.2" src="../whtopic.js"></script>\r
75 <script type="text/javascript" language="javascript1.2">\r
76 <!--\r
77 if (window.gbWhTopic)\r
78 {\r
79         if (window.setRelStartPage)\r
80         {\r
81         addTocInfo("MESH module\nModifying meshes\nRemoving nodes and elements");\r
82 addButton("show",BTN_IMG,"Show","","","","",0,0,"../whd_show0.gif","../whd_show2.gif","../whd_show1.gif");\r
83 addButton("hide",BTN_IMG,"Hide","","","","",0,0,"../whd_hide0.gif","../whd_hide2.gif","../whd_hide1.gif");\r
84 \r
85         }\r
86 \r
87 \r
88         if (window.setRelStartPage)\r
89         {\r
90         setRelStartPage("../index.htm");\r
91 \r
92                 autoSync(1);\r
93                 sendSyncInfo();\r
94                 sendAveInfoOut();\r
95         }\r
96 \r
97 }\r
98 else\r
99         if (window.gbIE4)\r
100                 document.location.reload();\r
101 //-->\r
102 </script>\r
103 </head>\r
104 <body><script type="text/javascript" language="javascript1.2">\r
105 <!--\r
106 if (window.writeIntopicBar)\r
107         writeIntopicBar(4);\r
108 //-->\r
109 </script>\r
110 <h1>Removing nodes and elements</h1>\r
111 \r
112 <p>In MESH you can remove nodes and all types of cells of your mesh. </p>\r
113 \r
114 <p>&nbsp;</p>\r
115 \r
116 <ul type="disc" class="whs1">\r
117         \r
118         <li class=kadov-p><p class="whs2"><a \r
119  href="#remove_a_node"\r
120         style="font-weight: bold;"><span style="font-weight: bold;"><B>Nodes</a> \r
121  </B></span></p></li>\r
122         \r
123         <li class=kadov-p><p class="whs2"><a \r
124  href="#remove_an_element"\r
125         style="font-weight: bold;">Elements</a></p></li>\r
126 </ul>\r
127 \r
128 <p>&nbsp;</p>\r
129 \r
130 <p class=TODO><a name=remove_a_node>To remove a node:</a></p>\r
131 \r
132 <p class=TODO\r
133         style="margin-left: 40px;">&nbsp;</p>\r
134 \r
135 <p class="whs3">1. Select your mesh in the Object Browser \r
136  or in the 3D viewer.</p>\r
137 \r
138 <p class="whs3">&nbsp;</p>\r
139 \r
140 <p class="whs3">2. From the <span style="font-weight: bold;"><B>Modification \r
141  </B></span>menu choose <span style="font-weight: bold;"><B>Remove </B></span>and \r
142  from the associated submenu select the <span style="font-weight: bold;"><B>Remove \r
143  nodes</B></span>, or just click <img src="../image88.gif" width="27px" height="25px" border="0" class="img_whs4"> icon in the toolbar. The \r
144  following dialog box will appear:</p>\r
145 \r
146 <p>&nbsp;</p>\r
147 \r
148 <p class="whs3"><img src="../pics/removenodes.png" x-maintain-ratio="TRUE" width="332px" height="231px" border="0" class="img_whs5"></p>\r
149 \r
150 <p class="whs3">&nbsp;</p>\r
151 \r
152 <p class="whs3">In this dialog box you can specify one or \r
153  several nodes (with pressed Shift button) by choosing them in the 3D viewer.</p>\r
154 \r
155 <p class="whs3">&nbsp;</p>\r
156 \r
157 <p class="whs3">3. Click <span style="font-weight: bold;"><B>OK \r
158  </B></span>or <span style="font-weight: bold;"><B>Apply </B></span>&nbsp;to \r
159  confirm deletion of the specified nodes.</p>\r
160 \r
161 <p class="whs3">&nbsp;</p>\r
162 \r
163 <p class="whs6"><img src="../note1.gif" x-maintain-ratio="TRUE" width="36px" height="38px" border="0" class="img_whs7">Be careful while removing \r
164  nodes because if you remove a definite node of your mesh all adjacent \r
165  elements will be also deleted.</p>\r
166 \r
167 <p class="whs3">&nbsp;</p>\r
168 \r
169 <table x-use-null-cells cellspacing="0" width="100%" class="whs8">\r
170 <col class="whs9">\r
171 <col class="whs10">\r
172 \r
173 <tr valign="top" class="whs11">\r
174 <td width="31.569%" class="whs12">\r
175 <p><img src="../pics/remove_nodes1.png" x-maintain-ratio="TRUE" width="245px" height="289px" border="0" class="img_whs13"></td>\r
176 <td width="68.431%" class="whs14">\r
177 <p><img src="../pics/remove_nodes2.png" x-maintain-ratio="TRUE" width="252px" height="288px" border="0" class="img_whs15"></td></tr>\r
178 </table>\r
179 \r
180 <p class="whs6">&nbsp;</p>\r
181 \r
182 <p>&nbsp;</p>\r
183 \r
184 <p class=TODO><a name=remove_an_element>To remove an element:</a></p>\r
185 \r
186 <p class=TODO\r
187         style="margin-left: 40px;">&nbsp;</p>\r
188 \r
189 <p class="whs3">1. Select your mesh in the Object Browser \r
190  or in the 3D viewer.</p>\r
191 \r
192 <p class="whs3">&nbsp;</p>\r
193 \r
194 <p class="whs3">2. From the <span style="font-weight: bold;"><B>Modification \r
195  </B></span>menu choose <span style="font-weight: bold;"><B>Remove </B></span>and \r
196  from the associated submenu select the <span style="font-weight: bold;"><B>Remove \r
197  elements</B></span>, or just click <img src="../image88.gif" width="27px" height="25px" border="0" class="img_whs4"> icon in the toolbar. The \r
198  following dialog box will appear:</p>\r
199 \r
200 <p>&nbsp;</p>\r
201 \r
202 <p class="whs3"><img src="../pics/removeelements.png" x-maintain-ratio="TRUE" width="332px" height="231px" border="0" class="img_whs5"></p>\r
203 \r
204 <p class="whs3">&nbsp;</p>\r
205 \r
206 <p class="whs3">In this dialog box you can specify one or \r
207  several elements of your mesh (with pressed Shift button) by choosing \r
208  them in the 3D viewer.</p>\r
209 \r
210 <p class="whs3">&nbsp;</p>\r
211 \r
212 <p class="whs3">3. Click <span style="font-weight: bold;"><B>OK \r
213  </B></span>or <span style="font-weight: bold;"><B>Apply </B></span>&nbsp;to \r
214  confirm deletion of the specified elements.</p>\r
215 \r
216 <p class="whs3">&nbsp;</p>\r
217 \r
218 <table x-use-null-cells cellspacing="0" width="55.882%" class="whs16">\r
219 <col class="whs17">\r
220 <col class="whs18">\r
221 \r
222 <tr valign="top" class="whs11">\r
223 <td width="47.72%" class="whs19">\r
224 <p><img src="../pics/remove_elements1.png" x-maintain-ratio="TRUE" width="219px" height="210px" border="0" class="img_whs20"></td>\r
225 <td width="52.28%" class="whs21">\r
226 <p><img src="../pics/remove_elements2.png" x-maintain-ratio="TRUE" width="240px" height="209px" border="0" class="img_whs22"></td></tr>\r
227 </table>\r
228 \r
229 <p class="whs6">&nbsp;</p>\r
230 \r
231 <p>&nbsp;</p>\r
232 \r
233 <p>&nbsp;&nbsp;<span style="font-weight: bold;"><B>See \r
234  Also</B></span> a sample TUI Script of a <a href="../modifying_meshes.htm#bookmark1">Removing \r
235  Nodes and Elements</a> operation. &nbsp;</p>\r
236 \r
237 <p>&nbsp;</p>\r
238 \r
239 <script type="text/javascript" language="javascript1.2">\r
240 <!--\r
241 if (window.writeIntopicBar)\r
242         writeIntopicBar(0);\r
243 //-->\r
244 </script>\r
245 </body>\r
246 </html>\r