这些脚本计算的源/汇林从树冠浓度分布基于逆拉格朗日运输内测量分布（ILT）的概念。ILT占均匀分散在冠层（简单的理论并不适用于这里），将分散到附近的（=非扩散）和远（=扩散）领域的术语。其结果是一个离散矩阵D，涉及源汇分布的浓度梯度，根据：C = D X S技术注：本脚本源层数（SH）要小于集中的层数（ZC）。如果源层数太小（如1-3），计算量可能被低估。对于一个大小为10的集中载体，我通常选择一个源向量（SH）大小4-7
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001080s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.085063s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001054s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001174s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001038s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003258s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000876s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003742s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015821s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001235s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 8625 [ RunTime:0.012295s ]
