##### Create geodesic

When pressed on this menu, a text, Create geodesic n,  is displayed at the top of the screen, where n is the number of the geodesics that are going to be created.

The cursor changes to the selection finger to select the origin node of the geodesic. Once you have selected this node, a red line indicates to us that we must select the final node.

Then we are asked the number of segments or approximate length of the segments that must have on the geodesics.

It is important to use a number to make the lengths of the different geodesic more or less the same, although we can enter any number we want. By default, it is 10.

##### Delete by  numbers

Pressing this submenu displays the dialog box that asks us the numbers of geodesic lines we want to delete. We can use the comma dash code:

1,2-5,9 equals to 1, 2, 3, 4, 5 and 9.

##### Delete graphically

Pressing this submenu, the cursor returns to selection finger. Any of the existing geodesic lines marked will be deleted.

##### Edit

Pressing this submenu changes the cursor to selection finger. We can edit any of the existing geodesic lines by selecting. We see the edit window of geodesic. In this window, we can modify the origin node and the final node of the geodesic.

If we want to modify the number of segments of the geodetic, a warning appears:

Otherwise, we modify only the end nodes and the geodetic will change. If this geodesic is between two patterns, this modification will change automatically both patterns. Thus, it compensates the width of a pattern at the expense of the adjacent.

##### Multi-geodesic

With this menu you can draw several geodesic line at the same time:

1. Trans-auxiliar
Select an existing auxiliary line.
For this purpose the segments making up the auxiliary creates a plane perpendicular to the auxiliary at each segment. These planes cut the membrane perimeter at two points (sometimes more). A geodesic between two correlating points is drawn.
2. Trans-geodesic
Perform the same process, but using the segments that make up an already existing geodesic line.

Example of trans-geodesic

3. Between two geodesic
With this menu are a set of geodesic lines are drawn between two other geodesic. The program asks us to select the first geodesic then the other. If these two geodesics don’t have the same number of segments, the program does not perform any operation. On the other hand, if they have the same number of segments, new geodesics lines that connect the ends of these segments are drawn. Before drawing such geodesics, we can, in a pop-up window, choose the number of segments or the approximate length of segments for the new geodesic lines. We note that there is a checkbox which automatically creates patterns between these new geodesic lines. These patterns between geodesic lines possibly will not be adequate and will need to modify or re-create them, but it can be used to quickly find out the width of these patterns and, if necessary, will allow delete and re-create them in a different numbers.

Example of multi-geodesic between two geodesic