Continuous Visible Query for Three-Dimensional Objects in Spatial Databases

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter </td><td class="align_center">Range</td><td class="align_center">Default value</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Radius </td><td class="align_center">250, 500, 750</td><td class="align_center">500</td></tr><tr><td class="align_left">Query length </td><td class="align_center">500, 1000, 2000</td><td class="align_center">1000</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mathematical Problems in Engineering

tab4

Table 4

Table 4: Continuous Visible Query for Three-Dimensional Objects in Spatial Databases 