Creating A Rop Hda Problem

[lisux]

Hi everybody.

I am creating an HDA to bake attributes using the mantra -u option.

My HDA only have a Mantra ROP, is only a wrapper for a Mantra render, but any time I try to render I get the same error:

mantra: Unable to find object '/obj/model'

The mantra command line I am using is:

mantra -b Float -V 1 -u "`chs("../obj")`"

Here I reference to tha obj parameter of the HDA.

It seems that there is no problem with the command line expression because ir returns exactle the path I want, and this path, /obj/model, is correct, even more if I render usinga regular Mantra ROP and in the command line I type:

mantra -u /obj/model

It work perfectly.

So why when I use render using a Mantra ROP embebed into a HDA it fails?

Somebody have suffered similar problems?

Thanks.

[SpencerL]

Hey, I ran into this problem before and I think you are having the same issue as I did. You need a full path to your geo. It doesnt seem to like relative paths, so if you use opfullpath(), it should fix that problem.

mantra -u `opfullpath("../model")`

[lisux]

Hey, I ran into this problem before and I think you are having the same issue as I did. You need a full path to your geo. It doesnt seem to like relative paths, so if you use opfullpath(), it should fix that problem.

mantra -u `opfullpath("../model")`

Thanks SpenderL, but it seems that this is not the problem.

I am using absolute path always, anyway I have changed the command line expression with this:

mantra -b Float -V 1 -u `opfullpath(chs("../obj"))`

But still the same error.

It seems like the mantra -u doesn't like to work into a HDA.

[SpencerL]

hanks SpenderL, but it seems that this is not the problem.

I am using absolute path always, anyway I have changed the command line expression with this:

CODE

mantra -b Float -V 1 -u `opfullpath(chs("../obj"))`

But still the same error.

It seems like the mantra -u doesn't like to work into a HDA

hmm...not sure why its not working. I created an HDA that bakes ambient occlusion that uses the exact syntax

mantra -u `opfullpath("../model")`

...and it works fine. Im at work now, so I will have to wait until I get home this evening, but once I do Ill upload my HDA to the exchange and you can take a look at it.