1. 1 RELATI VEPOI NTSSYSTEM.ULTI MATE.
1. 2 POLAR PLANE.APPLI CATI ON.OPERATI ON. Pol arpl ane i saspet i almot hod of sur f ace dr awi ng.
I ti sdr t er mi ned wi t ht wo di amet r i cal l yl ocat ed pol esand eqat orpl ane, t hati nf acti sal ar gestsect i on,per pendi cul art o pol araxi s.
Lat i t ude i sal lsmal l erper pendi cul arsect i ons,l ongi t ude l i neson sur f ace connect i ng pol es.
I nt hi spr oj ectt hi smet hod ofspher i calcoor di nat e wasappl yed t o
much mor e compl exed sur f acesofobj ect s#1 and #2.Asar oolwast aken appl i cat i on ofapol arsyst em on acube.
EQUATOR ROTATI ON FOR A RATI ONALSTUDY 1.Equat orpl ane i sal wayssepar at i ng N and S, howeverpenet r at i on vect or sar e maj or l y par al l el ,depr i vi ng apossi bi l i t y
2. 1. 1 OBJECT#1. N
NNS
S
SSN
Asshown pr i vi ousl y,pol eshave been
r ot at ed and modi fide i nt o vi ew poi nt s, cr eat i ng ar ow off r ont soft he obj ect . Thi sbr oughtt o oppot uni t yt o dr aw a
map oft he obj ect ʼ ssur f ace,per f or mi ng i t sl ogi ci n gr aphi c.
NS
SN
NSS
SNN
2. 1. 2 OBJECT#1.DRAWI NGS THERESULTOFOBJECT始 SDI GI TALI ZI NG PROCEDURE
To expl or et he empl t ynessoft he obj ectamet hod
ofdr awi ng 3D l i neswi t h di gi t i zi ng t ool wasf ound. The t oolwasno l ongerused t ot ake poi nt sf r om
sur f ace butt o poi nton t he passi ng l i ne t hr ough a hol e.
2. 2. 1 OBJECT#2. PHOTODOCUMENTATI ON OFSTRUCTURALORGANI ZATI ON PROCESS N si de
Ssi de
N si de
Ssi de
Equat orcur ve
Af t erappl yi ng t he same pr i nci p ofpol arnet , dat aofr el at i on bet ween mat t erknot swas
col l ect ed.A scheme ofequat orcur ve,N and S poi nt si nsur f ace r el at i onswer e per f or med i n dr awi ngs.
N poi nt sr el at i on
Spoi nt sr el at i on
2. 2. 2 OBJECT#2.DRAWI NGS. . N
N
S
S
NK RELATI ONS
SK RELATI ONS
3. 1. 1 RELATI V POI NTSSYSTEM APPLYED.NPOI NTSRELATI ON MAP
3. 1. 2 RELATI V POI NTSSYSTEM APPLYED.SPOI NTSRELATI ON MAP
EXTRA DOCUMENTATI ON ON SUBJECTOFTOOLS. Thi st ool swer e used dur i ng st r uct ur alor gani zat i on oft he obj ect #2.