Smooth envelope brush problems

[LSK]

hi every one.i have a new problem while enveloping.i have some characters modeled in maya but im going to rig them in XSI with gear.after rigging while in going to envelope them my smooth brush doesn't word.seem it works but it has very very week influence . i must select points each time to apply smooth.

[csaez]

Hi, just use an higher opacity and it should be working again

[LSK]

Hi, just use an higher opacity and it should be working again

of course i used 100% smooth opacity but it doesn't work.if i increase my brush radius it works but i must increase it too much..so i will have to many erasing weight after and it takes so long.wanna upload some parts of character to see that ?!

[LSK]

i think i found the problem.the characters was Obj exportation files from maya and they where so big in scale.so i scaled them down to 0.1 in softimage.i tried to scale them in maya and export them after that.and it fixed !!! what was happened here ?