sitrep:
GMSH: I´ve read somewhere that is normal those missing triangles even in the starting line, the author wrote not to start where the track begins. To fix in BTB.
SAS: Also use higher resolution zoom: 22 but lead to a 429 HTTP error (quota limit) per day more GB to download.
DDS: I use GIMP but need to resize the jpg, the BTB dont load .dds if the files are too big.
Now i´m testing Multi-track (father and sons) and their kmls