Lee, Andrew Hickinbottom (3D) Tank Girl, Pedro Conti (2D)

View Full Version : Mel Script for automatically generating control curves

12-27-2010, 10:29 AM
I'm working through the digital tutors Maya 2010 rigging tutorials; however, it seems that there are some weirdness within their Mel Scripting.

I'm receiving the following errors:

// Error: string $relCrv2[] = `listRelatives -shapes $cv2[0]`; //
// Error: Syntax error //
// Error: parent -r -shape $relCrv2[0] $cv1[0];
// Error: "$relCrv2" is an undeclared variable. //

I've printed the script below. I don't believe that I have any typos and am pretty much just following the tutorial verbatim. However, I'm not sure what the problem is. I know when I delete this problematic line and have a virtually identical one afterwards, I no longer receive the undeclared variable error but instead simply receive the syntax error message.

Any help is greatly appreciated.

//joint curve

//create curves

string $cv1[]= `circle -c 0 0 0 -nr 0 1 0 -sw 360 -r 1 -d 3 -ut 0 -tol 0.000328084 -s 8 -ch 1`;

string $cv2[]= `circle -c 0 0 0 -nr 0 1 0 -sw 360 -r 1 -d 3 -ut 0 -tol 0.000328084 -s 8 -ch 1`;

string $cv3[]= `circle -c 0 0 0 -nr 0 1 0 -sw 360 -r 1 -d 3 -ut 0 -tol 0.000328084 -s 8 -ch 1`;

//rotates our curves to look like a joint

rotate -r -os 90 0 0 $cv2[0];

rotate -r -os 0 0 90 $cv3[0];

//freeze the rotated curves

select $cv2[0]; select -add $cv3[0];

makeIdentity -apply 1 -t 1 -r 1 -s 1

//Parent shapes of curves 2 and 3 to 1

string $relCrv2[] = `listRelatives -shapes $cv2[0]`;

string $relCrv3[] = `listRelatives -shapes $cv3[0]`;

parent -r -shape $relCrv2[0] $cv1[0];

parent -r -shape $relCrv3[0] $cv1[0];

//delete the transform nodes of curves 2 and 3

select $cv2[0]; select -add $cv3[0]; doDelete;

//rename the joint curve

string $rnmCurve = `rename $cv1[0] "jntCrv"`;

//delete the history of the joint curve

select $rnmCurve; deleteHistory;

thanks again.

12-27-2010, 12:42 PM

i think you're missing a semi-colon here
makeIdentity -apply 1 -t 1 -r 1 -s 1

12-28-2010, 10:06 AM
And that worked perfectly. You have no idea how long I kicked myself over that one. Much appreciated.

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12-28-2010, 10:06 AM
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