#### 10.9.16 line2Cone

• line2Cone( <3D line>, <tip>, [, closed(0/1), ratio, base] )
• Description: that macro returns in the form of facets, the cone starting from the <tip> and based on the <3D line>, it must not contain the constant jump. The parameter <ratio> (zero by default) is used to build the other part of the cone with an homothety, the last parameter, <base>, is a variable that will contain the output list of the points of the edge (or edges) of the cone. The argument <claosed> shows if the line has to be closed or not ($0$ by default).