Changing objects in an array

[empleh]

A "for" loop.

How do you have the camera's stored in an array? By name?

[artifish]

loop through all the elements in the array and perform the action you want to do - here a quick example to change the focal length to 100.0 (haven't tested it, but you'll get the idea)

string $cameraArray[] =`listCameras`;
string $camera;

for ($camera in $cameraArray)
{
camera -e -focalLength 100.0 $camera;
// or
// setAttr ($camera+".focalLength") 100.0;
}

[shazam]

I have them in the array by name.

[shazam]

thank you very much for your help! i have a follow-up question. how would i pass values from option menus to the cameras in the array? i've tried to find out how to do this from the help but all my efforst have proved unsuccessful. i have an interface with an option menu that lists all the film gate settings such as "User," "16 mm Theatrical," etc. I have others but I'm just using this as an example. At the bottom is a button. When the user clicks on the button, I would like for the values in all my fields to be applied to the cameras.

[artifish]

please post you current not working code snippet where you try to get the data from the option box and apply the changes to your cameraArray

[shazam]

Here is the code i'm working with:


proc changeCameras()
{

string $cameraList[] = `ls -type "camera"`;
string $cameras;
string $film_gate = `optionMenu -q -value User`;

for ($cameras in $cameraList)
{
if (optionMenu -value User)
camera -e -horizontalFilmAperture .5;
camera -e -verticalFilmAperture .5;
}


}

[artifish]

Originally posted by shazam
Here is the code i'm working with:


proc changeCameras()
{

string $cameraList[] = `ls -type "camera"`;
string $cameras;
string $film_gate = `optionMenu -q -value User`;

for ($cameras in $cameraList)
{
if (optionMenu -value User)
camera -e -horizontalFilmAperture .5;
camera -e -verticalFilmAperture .5;
}


}
there are some problems with your code:
- in your conditional statement, you create a new optionMenu, but you want to query the state of the optionMenu, so use the -q flag (like you did with $film_gate)
- as you already got the $film_gate, you should query its value in the conditional statement
- you forgot to specify the name of the camera in the camera-command ( camera -e -horizontalFilmAperture .5 $cameras; )
- currently, only the first camera-command is executed if the condition is true, but I guess you want both statements to be executed? add "{ [..] }"

dig a little deeper into mel and the docs and try to get your code working. i learnde a lot from reading scripts on highend that had some of the functionality i wanted to implement.

cheers, carsten

[CGTalk Moderation]

This thread has been automatically closed as it remained inactive for 12 months. If you wish to continue the discussion, please create a new thread in the appropriate forum.