Hello I’m trying to make a merge and automatically create the group and possicionar the object.
It is showing an error.
Can anybody help me
clearlistener()
rollout Door “Insert” width:160
(
button btn2 "Select Wall " pos:[20,100] width:130 height:30
on btn2 pressed do
(
obj = mergeMaxFile ( GETDIR #downloads +"\\MakeWindow\\door.max" )#renameMtlDups #AutoRenameDups
max Select obj
group obj name:(uniquename "Door")
)
)
createdialog Door
mergeMaxFile() returns a Boolean – True on success, False if the file was not found or was not a valid .MAX file. So you cannot get the objects that was merged from its result.
In the past, you had to get a snapshot of all your scene objects in an array, merge the file, and then compare the snapshot array before the merge with the content of the scene after the merge to figure out what was actually added to the scene.
Something like
objectsBeforeMerge = objects as array
mergeMaxFile ( GETDIR #downloads +"\\MakeWindow\\door.max" ) #renameMtlDups #AutoRenameDups
mergedNodes = for o in objects where findItem objectsBeforeMerge o == 0 collect o
group mergedNodes name:(uniquename "Door")
In 3dsMax 2017, there is a new by-reference Out argument that will contain the list of merged nodes after the operation, and a dedicated function getLastMergedNodes() that will give you the same result in a separate function call:
Hope this helps…
why not
(
mergeMAXFile (GETDIR #downloads +"\\MakeWindow\\door.max") #noRedraw #select #autoRenameDups #renameMtlDups quiet:true
group selection
)
If you merge in hidden nodes this won’t work.
The best way I’ve found is to make a copy of the scene objects array before merging, and then comparing to the scene objects array after merging to get the list of actual nodes you merged in. There’s possibly a trick using the .handle property too.
I’m glad they added the out parameter in max 2017, just a shame these features can’t be rolled back into old versions, we won’t be using 2017 for a while!
the only thing you should check whether this merged object(s) is inside an open group already, so you will have to close it first.
Always did it by getting objects.count before merge and collecting objects by index from prevObjectCount + 1 to objects.count.
This would work only if no existing objects are being deleted and replaced with the incoming ones during the merging.
There are many ways to approach this, but not all are safe in every possible case.
Thank you for your help :keenly: