# Noise Functions

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On 05/06/2010 at 12:14, xxxxxxxx wrote:

you could try to use some smaller value for the noise functions. for example point _/100.. and see what happens. i'd use a slider for this value than, too...

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On 05/06/2010 at 12:21, xxxxxxxx wrote:

ha, you are just too fast for my replies. however, i wouldnt care for that.. you have your base form and apply just some values to each point, so the form still stays similar to your original mesh. maybe you dont use a cube as a base, but a sphere with low polycount? maybe you apply some scale vector additionally so the object doesnt look so round anymore

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On 05/06/2010 at 12:22, xxxxxxxx wrote:

well smaller numbers definitely help but still don't quite give me what I'm looking for.  I think I might need to compare the current point position with the last point position..     Maybe.,.    LOL

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On 05/06/2010 at 12:23, xxxxxxxx wrote:

lol...   sorry I replied before you had a chance to again.  HAHA

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On 05/06/2010 at 12:30, xxxxxxxx wrote:

if you use Mix with keeping more to your original point, say values between 0.5 and 1 for t, you should be able to get exactly that (in theory of course, since i'm not actually trying atm)

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On 05/06/2010 at 12:37, xxxxxxxx wrote:

LOL..  yep you're right...   it worked/./   just had to do a little tweaking with the numbers..  Thanks a lot for your help ello.    I really appreciate you taking the time to help me.

~Shawn

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On 05/06/2010 at 12:39, xxxxxxxx wrote:

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On 05/06/2010 at 12:45, xxxxxxxx wrote:

Hey while you're here do you know if it is safe to subdivide an object from within the GetVirtualObjects() method?

~Shawn

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On 05/06/2010 at 12:53, xxxxxxxx wrote:

i place my object inside  a hypernurbs (Osds) to do so, but i think you mean something other. it should be able by using CommandData

here is a snippet of how i used the optimize command on a polygon object.

``````
if (op->GetType()==Opolygon)
{
ModelingCommandData cd;
cd.doc = doc;
cd.op = op;
BaseContainer bc;
bc.SetReal(MDATA_OPTIMIZE_TOLERANCE, tolerance);
bc.SetReal(MDATA_OPTIMIZE_POINTS, TRUE);
bc.SetReal(MDATA_OPTIMIZE_POLYGONS, TRUE);
bc.SetReal(MDATA_OPTIMIZE_UNUSEDPOINTS, TRUE);
cd.bc = &bc;
if(SendModelingCommand(MCOMMAND_OPTIMIZE, cd))
{
cd.op->Message(MSG_UPDATE, NULL);
BaseTag *phongTag = op->MakeTag(Tphong);
BaseContainer *bc = phongTag->GetDataInstance();
bc->SetBool(PHONGTAG_PHONG_ANGLELIMIT,TRUE);
} else {
GePrint("failed");
}
}
``````

hope this makes sense

edit: in your case it'd be the MCOMMAND_SUBDIVIDE .. check the sdk for its parameters...

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On 05/06/2010 at 12:59, xxxxxxxx wrote:

I was doing something simliar with

#### MCOMMAND_SUBDIVIDE_<_h4_>_

but for some reason it keeps crashiung on me when I try to do it.

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On 05/06/2010 at 13:01, xxxxxxxx wrote:

hm.. did you set the parameters? i guess its some trial and error now, since i dont know why it crashes.

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On 05/06/2010 at 13:03, xxxxxxxx wrote:

this is how I am attempting to subdivide

but it keeps crashing

``````
if (mdat.bc->GetBool(HYPERNURBS_SUBDIVISION, TRUE))  //If HyperNURBS is checked
{
mdat.bc->SetBool(MDATA_SUBDIVIDE_HYPER, TRUE);
}
else
{
mdat.bc->SetBool(MDATA_SUBDIVIDE_HYPER, FALSE);
}
mdat.bc->SetLong(MDATA_SUBDIVIDE_SUB, subAmount);
mdat.bc->SetReal(MDATA_SUBDIVIDE_ANGLE, mdat.bc->GetReal(MAX_ANGLE));

//Subdivision Command
SendModelingCommand(MCOMMAND_SUBDIVIDE, mdat);

``````

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On 05/06/2010 at 13:04, xxxxxxxx wrote:

MAX_ANGLE is equal to pi   and subAMount is a real that the user can adjust.

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On 05/06/2010 at 13:11, xxxxxxxx wrote:

try catching the crash with

if(SendModelingCommand(MCOMMAND_SUBDIVIDE, mdat))
{
GePrint("done");
}
else
{
GePrint("failed");
}

just to be on the safe side..

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On 05/06/2010 at 13:44, xxxxxxxx wrote:

Here's my subdivision code now...

Still crashing.

``````//SUBDIVISION

Real subAmount;
subAmount = mcd2.bc->GetLong(SPACEROCK_SUBDIVISIONS);
mcd2.mode = MODIFY_ALL;
mcd2.doc = hh->GetDocument();

if(SendModelingCommand(MCOMMAND_SUBDIVIDE, mcd2))
{
GePrint("done");
mcd2.bc->SetBool(MDATA_SUBDIVIDE_HYPER, TRUE);
mcd2.bc->SetLong(MDATA_SUBDIVIDE_SUB, subAmount);
mcd2.bc->SetReal(MDATA_SUBDIVIDE_ANGLE, pi);
//Subdivision Command
SendModelingCommand(MCOMMAND_SUBDIVIDE, mcd2);
}
else
{
GePrint("failed");
}
``````

Any thoughts?

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On 05/06/2010 at 13:55, xxxxxxxx wrote:

hey, dont call SendModelingCommand twice.. its already called in the if condition!

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On 05/06/2010 at 14:06, xxxxxxxx wrote:

well.. that was a good thought and a good catch but unfortunately it's still crashing .. this one is a bit of a thorn today.  LOL

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On 05/06/2010 at 14:14, xxxxxxxx wrote:

another thing could be worth a try, to set the Parameters for an extra BaseContainer like i did it in my example:

BaseContainer bc;
bc.SetReal(MDATA_OPTIMIZE_TOLERANCE, tolerance);
bc.SetReal(MDATA_OPTIMIZE_POINTS, TRUE);
bc.SetReal(MDATA_OPTIMIZE_POLYGONS, TRUE);
bc.SetReal(MDATA_OPTIMIZE_UNUSEDPOINTS, TRUE);
cd.bc = &bc;

and in the if (SendModelingCommand... call "cd.op->Message(MSG_UPDATE, NULL);"

Oh, wait, i didnt see you setting mcd2.op to your object, maybe thats the main problem

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On 05/06/2010 at 14:21, xxxxxxxx wrote:

yeah I added that in after I sent the message..  that didn't work.. I'
ll try your other suggestion though.   Thanks,

~Shawn

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On 05/06/2010 at 14:31, xxxxxxxx wrote:

alternatively, did you try CallCommand(14047); ?? maybe that works... but i dont know how you set the parameters in this case..