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78 <h1>Using operations on groups</h1>
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80 <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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81 perform Boolean
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82 operations on groups such as:</p>
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86 <ul type="disc" class="whs2">
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88 <li class=kadov-p><p class="whs3"><a href="#Union">Union</a>
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91 <li class=kadov-p><p class="whs3"><a href="#Intersection">Intersection</a></p></li>
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93 <li class=kadov-p><p class="whs3"><a href="#Cut">Cut</a></p></li>
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98 <h3><a name=Union></a>Union of two groups</h3>
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100 <p>This operation allows to create a new group in such a way that all mesh
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101 elements that are present in the initial groups will be added to the new
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106 <p class=TODO>To union two groups:</p>
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108 <p class=TODO> </p>
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110 <p class="whs4">1. In the <span style="font-weight: bold;"><B>Mesh
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111 </B></span>menu select the <span style="font-weight: bold;"><B>Union Groups </B></span>item.
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112 The following dialog box will appear:</p>
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114 <p class="whs4"> </p>
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116 <p class="whs4"><img src="../image77.gif" width="290px" height="245px" border="0" class="img_whs5"></p>
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120 <p class="whs4">In this dialog box you should specify the
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121 name<span style="font-weight: bold;"> <B></B></span>of the resulting group and
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122 two groups which will be united.</p>
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124 <p class="whs4"> </p>
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126 <p class="whs4">2. Click the <span style="font-weight: bold;"><B>Ok
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127 </B></span>or <span style="font-weight: bold;"><B> Apply
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128 </B></span>button to confirm creation of the group. </p>
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134 <h3><a name=Intersection></a>Intersection of two groups</h3>
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136 <p>This operation allows to create a new group in such a way that all mesh
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137 elements that are present in both initial groups are added to the new
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142 <p class=TODO>To intersect two groups:</p>
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144 <p class=TODO> </p>
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146 <p class="whs4">1. In the <span style="font-weight: bold;"><B>Mesh
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147 </B></span>menu select the <span style="font-weight: bold;"><B>Intersect Groups
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148 </B></span>item. The following dialog box will appear:</p>
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150 <p class="whs4"> </p>
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152 <p class="whs4"><img src="../image76.gif" width="290px" height="245px" border="0" class="img_whs5"></p>
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156 <p class="whs4">In this dialog box you should specify the
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157 name<span style="font-weight: bold;"> <B></B></span>of the resulting group and
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158 two groups which will be intersected.</p>
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160 <p class="whs4"> </p>
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162 <p class="whs4">2. Click the <span style="font-weight: bold;"><B>Ok
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163 </B></span>or <span style="font-weight: bold;"><B> Apply
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164 </B></span>button to confirm creation of the group. </p>
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170 <h3><a name=Cut></a>Cut of two groups</h3>
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172 <p>This operation allows to create a new group in such a way that all mesh
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173 elements that are present in the main group but are absent in the tool
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174 group are added to the new one.</p>
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178 <p class=TODO>To cut two groups:</p>
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180 <p class=TODO> </p>
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182 <p class="whs4">1. In the <span style="font-weight: bold;"><B>Mesh
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183 </B></span>menu select the <span style="font-weight: bold;"><B>Cut Groups </B></span>item.
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184 The following dialog box will appear:</p>
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186 <p class="whs4"> </p>
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188 <p class="whs4"><img src="../image75.gif" width="290px" height="244px" border="0" class="img_whs6"></p>
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192 <p class="whs4">In this dialog box you should specify the
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193 name<span style="font-weight: bold;"> <B></B></span>of the resulting group and
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194 two groups which will be cut.</p>
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196 <p class="whs4"> </p>
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198 <p class="whs4">2. Click the <span style="font-weight: bold;"><B>Ok
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199 </B></span>or <span style="font-weight: bold;"><B> Apply
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200 </B></span>button to confirm creation of the group. </p>
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