The ones you cant see.
The purpose of hidden lines is to represent edges that are not directly visible. The purpose of center lines is to represent the axes of circular features.
The short dotted lines are the type of lines on a drawing that are designed to represent the hidden details.
the line which is not seen
No.
The purpose of hidden lines is to represent edges that are not directly visible. The purpose of center lines is to represent the axes of circular features.
Hidden lines.
The ones you cant see.
The purpose of hidden lines is to represent edges that are not directly visible. The purpose of center lines is to represent the axes of circular features.
Hidden lines are broken lines that indicate the lines not seen in a certain perspective.
By dashes.
The short dotted lines are the type of lines on a drawing that are designed to represent the hidden details.
Center lines, hidden lines, cutting plane, break lines, dimension lines, section lines, extension lines
Since you can't see the hidden surface, from your point of view, then the graphics system should not (normally) display the hidden surface except (optionally) to display dashed lines for hidden edges and dashed dimension lines to hidden edges.
the line which is not seen
Detail Lines
No, hidden lines are not added in a section view unless it adds clarity to the drawing. the purpose of a section view is to help show what a part looks like and by added hidden lines the drawing will be more cluttered which defeats the purpose of having a section view.