%%?caculate?the?point?on?the?track?with?timestamp??（variable?motion）
%???3?timestamps?are?t1?t2?t3
%???‘values‘?is?the?result?——?B-Spline?

function?[?dot?]?=?calcpoint（?values?t1?t2?t3?t?）
????[~n_values]?=?size（values）;
????len_values?=?0.0;?len_tmp?=?0.0;
????%?caculate?the?total?length?of?B-Spline
????for?j?=?1?:?n_values-1
????????len_values?=?len_values?+?sqrt（（values（1j）-values（1j+1））*（values（1j）-values（1j+1））?+?（values（2j）-values（2j+1））*（values（2j）-values（2j+1））?+?（values（3j）-values（3j+1））*（values（3j）-values（3j+1）））;
????end
????half_len_values?=?len_values?/?2;?%?half?length?of?the?B-Spline
????if?t?<=?t2
????????sp?=?t1;?base?=?t2?-?t1;?delta?=?0;?
????else
????????sp?=?t2;?base?=?t3?-?t2;?delta?=?half_len_values;
????end
????
????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-12-20?17:49??spline?-?三維\
?????文件????????1371??2015-12-08?16:40??spline?-?三維\calcpoint.m
?????文件????????1041??2015-12-08?16:38??spline?-?三維\calc_point.m
?????文件?????????283??2015-12-05?17:41??spline?-?三維\points.txt
?????文件????????1220??2015-12-08?16:33??spline?-?三維\smooth.m
?????文件????????1451??2015-12-08?16:50??spline?-?三維\spline.m