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89 <h1>Using operations on groups</h1>
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91 <p><span style="font-weight: bold;"><B><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> </B></span>In MESH you can
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92 perform Boolean
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93 operations on groups such as:</p>
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97 <ul type="disc" class="whs2">
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99 <li class=kadov-p><p class="whs3"><a href="#Union">Union</a>
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102 <li class=kadov-p><p class="whs3"><a href="#Intersection">Intersection</a></p></li>
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104 <li class=kadov-p><p class="whs3"><a href="#Cut">Cut</a></p></li>
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109 <h3><a name=Union></a>Union of two groups</h3>
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111 <p>This operation allows to create a new group in such a way that all mesh
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112 elements that are present in the initial groups will be added to the new
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117 <p class=TODO>To union two groups:</p>
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119 <p class=TODO> </p>
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121 <p class="whs4">1. In the <span style="font-weight: bold;"><B>Mesh
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122 </B></span>menu select the <span style="font-weight: bold;"><B>Union Groups </B></span>item.
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123 The following dialog box will appear:</p>
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125 <p class="whs4"> </p>
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127 <p class="whs4"><img src="../pics/uniongroups.png" x-maintain-ratio="TRUE" width="306px" height="253px" border="0" class="img_whs5"></p>
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131 <p class="whs4">In this dialog box you should specify the
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132 name<span style="font-weight: bold;"> <B></B></span>of the resulting group and
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133 two groups which will be united.</p>
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135 <p class="whs4"> </p>
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137 <p class="whs4">2. Click the <span style="font-weight: bold;"><B>Ok
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138 </B></span>or <span style="font-weight: bold;"><B> Apply
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139 </B></span>button to confirm creation of the group. </p>
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143 <p class="whs6"><span style="font-weight: bold;"><B>See Also</B></span>
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144 a sample TUI Script of a <a href="../grouping_elements.htm#bookmark2">Union
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145 of two Groups</a> operation. </p>
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147 <p class="whs6"> </p>
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149 <p class="whs6"> </p>
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153 <h3><a name=Intersection></a>Intersection of two groups</h3>
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155 <p>This operation allows to create a new group in such a way that all mesh
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156 elements that are present in both initial groups are added to the new
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161 <p class=TODO>To intersect two groups:</p>
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163 <p class=TODO> </p>
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165 <p class="whs4">1. In the <span style="font-weight: bold;"><B>Mesh
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166 </B></span>menu select the <span style="font-weight: bold;"><B>Intersect Groups
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167 </B></span>item. The following dialog box will appear:</p>
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169 <p class="whs4"> </p>
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171 <p class="whs4"><img src="../pics/intersectgroups.png" x-maintain-ratio="TRUE" width="306px" height="253px" border="0" class="img_whs5"></p>
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175 <p class="whs4">In this dialog box you should specify the
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176 name<span style="font-weight: bold;"> <B></B></span>of the resulting group and
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177 two groups which will be intersected.</p>
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179 <p class="whs4"> </p>
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181 <p class="whs4">2. Click the <span style="font-weight: bold;"><B>Ok
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182 </B></span>or <span style="font-weight: bold;"><B> Apply
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183 </B></span>button to confirm creation of the group. </p>
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187 <p> <span style="font-weight: bold;"><B>See
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188 Also</B></span> a sample TUI Script of an <a href="../grouping_elements.htm#bookmark3"> Intersection
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189 of two Groups</a> operation. </p>
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193 <h3><a name=Cut></a>Cut of two groups</h3>
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195 <p>This operation allows to create a new group in such a way that all mesh
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196 elements that are present in the main group but are absent in the tool
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197 group are added to the new one.</p>
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201 <p class=TODO>To cut two groups:</p>
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203 <p class=TODO> </p>
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205 <p class="whs4">1. In the <span style="font-weight: bold;"><B>Mesh
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206 </B></span>menu select the <span style="font-weight: bold;"><B>Cut Groups </B></span>item.
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207 The following dialog box will appear:</p>
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209 <p class="whs4"> </p>
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211 <p class="whs4"><img src="../pics/cutgroups.png" x-maintain-ratio="TRUE" width="306px" height="253px" border="0" class="img_whs5"></p>
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215 <p class="whs4">In this dialog box you should specify the
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216 name<span style="font-weight: bold;"> <B></B></span>of the resulting group and
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217 two groups which will be cut.</p>
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219 <p class="whs4"> </p>
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221 <p class="whs4">2. Click the <span style="font-weight: bold;"><B>Ok
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222 </B></span>or <span style="font-weight: bold;"><B> Apply
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223 </B></span>button to confirm creation of the group. </p>
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227 <p> <span style="font-weight: bold;"><B>See
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228 Also</B></span> a sample TUI Script of a <a href="../grouping_elements.htm#bookmark3"> Cut
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229 of two Groups</a> operation. </p>
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