Salome HOME
Fix for Bug12383
[modules/visu.git] / doc / salome / gui / GAUSS / salome_visu_preferences_picking.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>Salome-Visu preferences picking</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 { border:none; width:32px; height:37px; float:none; border-style:none; }\r
18 img_whs2 { border:none; width:8px; height:9px; float:none; border-style:none; }\r
19 p.whs3 { font-style:normal; x-text-underline:normal; text-decoration:underline; }\r
20 ul.whs4 { list-style:disc; }\r
21 p.whs5 { text-align:center; }\r
22 img_whs6 { border:none; width:207px; height:192px; border-style:none; }\r
23 p.whs7 { text-align:center; font-size:8pt; }\r
24 img_whs8 { border:none; width:300px; height:392px; float:none; border-style:none; }\r
25 ul.whs9 { list-style:circle; }\r
26 p.whs10 { font-style:italic; }\r
27 p.whs11 { margin-left:40px; font-style:italic; }\r
28 -->\r
29 </style><script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">\r
30 <!--\r
31 function reDo() {\r
32   if (innerWidth != origWidth || innerHeight != origHeight)\r
33      location.reload();\r
34 }\r
35 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {\r
36         origWidth = innerWidth;\r
37         origHeight = innerHeight;\r
38         onresize = reDo;\r
39 }\r
40 onerror = null; \r
41 //-->\r
42 </script>\r
43 <style type="text/css">\r
44 <!--\r
45 div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }\r
46 -->\r
47 </style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>\r
48 <script type="text/javascript" language="javascript" src="whver.js"></script>\r
49 <script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>\r
50 <script type="text/javascript" language="javascript1.2" src="whutils.js"></script>\r
51 <script type="text/javascript" language="javascript1.2" src="whtopic.js"></script>\r
52 </head>\r
53 <body><script type="text/javascript" language="javascript1.2">\r
54 <!--\r
55 if (window.gbWhTopic)\r
56 {\r
57         if (window.addTocInfo)\r
58         {\r
59         addTocInfo("Picking\nSalome-Visu preferences");\r
60 addButton("show",BTN_TEXT,"Show","","","","",0,0,"","","");\r
61 \r
62         }\r
63         if (window.writeBtnStyle)\r
64                 writeBtnStyle();\r
65 \r
66         if (window.writeIntopicBar)\r
67                 writeIntopicBar(1);\r
68 \r
69         if (window.setRelStartPage)\r
70         {\r
71         setRelStartPage("gauss_points_viewer.htm");\r
72 \r
73                 autoSync(1);\r
74                 sendSyncInfo();\r
75                 sendAveInfoOut();\r
76         }\r
77 }\r
78 else\r
79         if (window.gbIE4)\r
80                 document.location.reload();\r
81 //-->\r
82 </script>\r
83 <h1>Salome-Visu preferences</h1>\r
84 \r
85 <p><img src="info_blue.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"> The \91<span style="font-weight: bold;"><B>Preferences</B></span>\91 \r
86  menu of VISU is modified as follow:</p>\r
87 \r
88 <p>&nbsp;</p>\r
89 \r
90 <p>Choose <span style="font-weight: bold;"><B>Post-pro &#9658; Gauss Points \r
91  &#9658; Picking</B></span> &nbsp;<img src="purple_right_sm.jpg" x-maintain-ratio="TRUE" width="8px" height="9px" border="0" class="img_whs2"> &nbsp;<span style="font-style: italic;"><I>Displays \r
92  a dialog to customize the picking parameters.</I></span></p>\r
93 \r
94 <p>&nbsp;</p>\r
95 \r
96 <p class="whs3">Description \r
97  of the dialog and associated parameters:</p>\r
98 \r
99 <p>&nbsp;</p>\r
100 \r
101 <ul type="disc" class="whs4">\r
102         \r
103         <li class=kadov-p><p><span style="font-weight: bold;"><B>Height of the \r
104  pyramid:</B></span> define the length of each of the 6 pyramids of the cursor. \r
105  The cursor is dynamically generated so that apexes of each pyramid touch \r
106  the point sprite boundary, and height of pyramid is fixed.</p></li>\r
107 </ul>\r
108 \r
109 <p>&nbsp;</p>\r
110 \r
111 <p align="center" class="whs5"><img src="image69.gif" width="207px" height="192px" border="0" class="img_whs6"></p>\r
112 \r
113 <p align="center" class="whs5">&nbsp;</p>\r
114 \r
115 <p align="center" class="whs7">Fig. 49 : Definition of the picking cursor \91height\92 parameter</p>\r
116 \r
117 <p align="center" class="whs5">&nbsp;</p>\r
118 \r
119 <p align="center" class="whs5"><img src="image70.gif" x-maintain-ratio="FALSE" width="300px" height="392px" border="0" class="img_whs8"></p>\r
120 \r
121 <p align="center" class="whs7">&nbsp;</p>\r
122 \r
123 <p align="center" class="whs7">Fig. 50 : Picking configuration dialog</p>\r
124 \r
125 <p align="center" class="whs5">&nbsp;</p>\r
126 \r
127 <ul type="disc" class="whs4">\r
128         \r
129         <li class=kadov-p><p><span style="font-weight: bold;"><B>Information window:</B></span> \r
130  allows defining the<span style="font-weight: bold;"><B> transparency</B></span> \r
131  (from 0% = opaque to 100% = transparent) and <span style="font-weight: bold;"><B>position</B></span> \r
132  of the windows. Possible values for position are:</p></li>\r
133         \r
134         <ul type="circle" class="whs9">\r
135                 \r
136                 <li class=kadov-p><p>Centred below the point</p></li>\r
137                 \r
138                 <li class=kadov-p><p>Top-left corner of the 3D view</p></li>\r
139         </ul>\r
140 </ul>\r
141 \r
142 <p>&nbsp;</p>\r
143 \r
144 <ul type="disc" class="whs4">\r
145         \r
146         <li class=kadov-p><p><span style="font-weight: bold;"><B>Zoom at first \r
147  selected point:</B></span> This value is used to define the focal distance \r
148  at the first selected point (at the end of the movement of the camera). \r
149  This value is a ratio that will be multiplied by the current zoom value.</p></li>\r
150 </ul>\r
151 \r
152 <p>&nbsp;</p>\r
153 \r
154 <ul type="disc" class="whs4">\r
155         \r
156         <li class=kadov-p><p class="whs10"><span style="font-weight: bold;"><B>Picking \r
157  optimisation:</B></span> This section will be implemented only if the implementation \r
158  of the picking function is based on <span style="font-weight: bold;"><B>vtkPointLocator</B></span> \r
159  functions. No parameters are needed if implementation is based on <span \r
160  style="font-weight: bold;"><B>vtkPointPicker</B></span>. (see <a href="picking_general.htm">Picking</a> \r
161  for more details).</p></li>\r
162 </ul>\r
163 \r
164 <p>&nbsp;</p>\r
165 \r
166 <p class="whs11">Both parameters are used \r
167  to customize the data structure of the searching underlying functionality.</p>\r
168 \r
169 <p class="whs11">&nbsp;</p>\r
170 \r
171 <script type="text/javascript" language="javascript1.2">\r
172 <!--\r
173 if (window.writeIntopicBar)\r
174         writeIntopicBar(0);\r
175 //-->\r
176 </script>\r
177 </body>\r
178 </html>\r