d4.06.05 Data structures sd_map, sd_cham_no, sd_cham_elem, and sd_resuelem# Summary: Table of Contents 1. Generalities 2. Trees 3. Item Content JEVEUX 3.1. DESCRIPTEUR_GRANDEUR 4. SD card 4.1. Generalities 4.2. Purpose. NOMA 4.3. Purpose. DESC 4.4. Purpose. NOLI 4.5. Purpose. LIMA 4.6. Purpose. VALE 5. SD cham_no 5.1. Purpose. REFE 5.2. Purpose. VALE 6. SD cham_geom 6.1. Purpose. DESC 6.2. Purpose. VALE 7. SD champ_elem 7.1. Case of cham_elem with subpoints (structural elements) 7.2. Case of cham_elem that do not have subpoints 7.3. Cham_elem case of size VARI_R 7.4. Purpose. CELK 7.5. Purpose. CELD 7.6. Purpose. CELV 7.7. Some « formulas » frequently used in programming 8. SD Resumelem 8.1. Purpose. NOLI 8.2. Purpose. DESC 8.3. Purpose. RESL 9. Examples 9.1. SD card 9.2. SD cham_no 9.3. SD cham_elem 9.4. SD Resumelem