Hi,
You might also find useful the edit sop with mirror editing activated (it's at the very bottom of the edit node parameters).
Greg
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Technical Discussion » Mirror Modeling
- aiworks
- 130 posts
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Technical Discussion » How to pin curve ends to two moving objects
- aiworks
- 130 posts
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Thank you, Jeff,
After a bit of experimenting with the “object merge”part, I got your solution to work for me.
At first, I attempted to parent the rivet to a new geo, which consisted of object merged 1-point group of the curve, but I found out that this would not work, and I still do not really understand why. So then I object merged the point inside the rivet thing into my curve SOP, and re-constructed the curve using the extra point, and this worked fine.
Thanks again to you and SYmek!
Greg
After a bit of experimenting with the “object merge”part, I got your solution to work for me.
At first, I attempted to parent the rivet to a new geo, which consisted of object merged 1-point group of the curve, but I found out that this would not work, and I still do not really understand why. So then I object merged the point inside the rivet thing into my curve SOP, and re-constructed the curve using the extra point, and this worked fine.
Thanks again to you and SYmek!
Greg
Technical Discussion » How to pin curve ends to two moving objects
- aiworks
- 130 posts
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Hi SYmek,
Huge, huge thanks! Exactly what I've been looking for, the “origin” thing!
Greg
Huge, huge thanks! Exactly what I've been looking for, the “origin” thing!
Greg
Technical Discussion » How to pin curve ends to two moving objects
- aiworks
- 130 posts
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Thanks,
I do not need to worry about the length - I am key-framing the mid points anyway, via series of parallel “edit” nodes merged via sequence-blend.
It's the end points that are so painful, as right now I'm keying them every second or so, and I still can't get them positioned precisely enough.
So, such an expression you mentioned might work, but how to approach it? I created groups for the end points, and attached transform nodes to each group - now I guess I need to figure out the expressions needed to calculate the transformation against another moving object.
Greg
I do not need to worry about the length - I am key-framing the mid points anyway, via series of parallel “edit” nodes merged via sequence-blend.
It's the end points that are so painful, as right now I'm keying them every second or so, and I still can't get them positioned precisely enough.
So, such an expression you mentioned might work, but how to approach it? I created groups for the end points, and attached transform nodes to each group - now I guess I need to figure out the expressions needed to calculate the transformation against another moving object.
Greg
Technical Discussion » How to pin curve ends to two moving objects
- aiworks
- 130 posts
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Hi Guys & Gals,
Need help! I've been strugling yesterday and today with the following problem:
I have a NURBS curve (or a line), which will - in the target animation - be sweeped and skinned to form a tube. I need to attach/pin the first point of the curve to object #1, and the last point to object #2. Both objects are moving in an irregular way, so manually keying such link seems extremely difficult.
I don't really need any simulation to animate the mid-points of the curve, but I won't care if it is necessary to set up a sim to do the pinning. But, it seems to me that there must be some simple “Houdini” way to achieve this.
All hints/help highly appreciated, as I need to solve the problem quickly.
Thanks in advance,
Greg
Need help! I've been strugling yesterday and today with the following problem:
I have a NURBS curve (or a line), which will - in the target animation - be sweeped and skinned to form a tube. I need to attach/pin the first point of the curve to object #1, and the last point to object #2. Both objects are moving in an irregular way, so manually keying such link seems extremely difficult.
I don't really need any simulation to animate the mid-points of the curve, but I won't care if it is necessary to set up a sim to do the pinning. But, it seems to me that there must be some simple “Houdini” way to achieve this.
All hints/help highly appreciated, as I need to solve the problem quickly.
Thanks in advance,
Greg
Houdini Indie and Apprentice » Region rendering problem IMG_TileWrite
- aiworks
- 130 posts
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Hi,
I've checked the forum, and it seems that two common factors are “Windows - XP, Vista, 7” and “x64”. Has ANYBODY had this problem on x86/32 bit windows?
Greg
I've checked the forum, and it seems that two common factors are “Windows - XP, Vista, 7” and “x64”. Has ANYBODY had this problem on x86/32 bit windows?
Greg
Houdini Indie and Apprentice » Region rendering problem IMG_TileWrite
- aiworks
- 130 posts
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Hi,
Same here, Win 7 .64 build 7100, Houdini 10.0.424.
If anybody knows how to solve it, let us know, please.
I'm not logging this as a bug, because I can't check it on a different machine/setup/windows ver - might be as well win 7 pre-release bug.
Thanks,
Greg
Same here, Win 7 .64 build 7100, Houdini 10.0.424.
If anybody knows how to solve it, let us know, please.
I'm not logging this as a bug, because I can't check it on a different machine/setup/windows ver - might be as well win 7 pre-release bug.
Thanks,
Greg
Technical Discussion » mantra -H is much slower than withouth -H on localhost
- aiworks
- 130 posts
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Hi J.C.
Thanks for your quick reply. It makes sense - I was doing a pretty simple render that takes 10 - 20 secs per frame on one machine.
Cheers,
Greg
Thanks for your quick reply. It makes sense - I was doing a pretty simple render that takes 10 - 20 secs per frame on one machine.
Cheers,
Greg
Technical Discussion » mantra -H is much slower than withouth -H on localhost
- aiworks
- 130 posts
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Hi Houdini Gurus,
Could somebody give me a clue on why telling mantra “-H localhost” gets the render speed down by at least 100%, as compared to plain “mantra”? It just doesn't make sense to me.
After doing some networked renders, thought that it's my 100Mb network that is slowing things down, and when I get a 1Gb switch things will get better. But the slowdown occurs on localhost, too, so networking should not be an issue here.
Any ideas?
Thanks,
Greg
Could somebody give me a clue on why telling mantra “-H localhost” gets the render speed down by at least 100%, as compared to plain “mantra”? It just doesn't make sense to me.
After doing some networked renders, thought that it's my 100Mb network that is slowing things down, and when I get a 1Gb switch things will get better. But the slowdown occurs on localhost, too, so networking should not be an issue here.
Any ideas?
Thanks,
Greg
Technical Discussion » mantra & mplay startup time much longer on Win than on L
- aiworks
- 130 posts
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Does anybody know why starting-up the rendering in Linux is much faster than on Windows? Mplay (and/or mantra? - not sure which is causing this) starts up almost instantly on Linux, and on the same machine I need to wait several seconds for the Mplay window to show up.
Is there a way to get rid of this issue? Pre-load some libraries? Something else?
Thanks,
Greg
Is there a way to get rid of this issue? Pre-load some libraries? Something else?
Thanks,
Greg
Technical Discussion » Rendering problem - a memory issue or a bug?
- aiworks
- 130 posts
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Technical Discussion » Rendering problem - a memory issue or a bug?
- aiworks
- 130 posts
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Hi,
I am consistently receiving an error message after rendering a couple hundred of HD-size frames - see attached screenshoot.
I checked the file (IFD.py & IFD.pyc), I can access it easily, so not an access rights problem. I need to restart Houdini to continue rendering, re-rendering without restarting generates instantly the same error message.
I'm not sure whether this might be a memory issue (I have 4Gigs only, Win7 x64)? This has been persistent across at least 20 recent builds, not sure about earlier ones.
Thanks for all suggestions,
Greg
I am consistently receiving an error message after rendering a couple hundred of HD-size frames - see attached screenshoot.
I checked the file (IFD.py & IFD.pyc), I can access it easily, so not an access rights problem. I need to restart Houdini to continue rendering, re-rendering without restarting generates instantly the same error message.
I'm not sure whether this might be a memory issue (I have 4Gigs only, Win7 x64)? This has been persistent across at least 20 recent builds, not sure about earlier ones.
Thanks for all suggestions,
Greg
Houdini Indie and Apprentice » Houdini is super SLOW
- aiworks
- 130 posts
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My impression is similar, seems to run a bit smoother on Ubuntu than on Win.
However, there are issues that might stop people from using the Linux version - for example, I use a lot of illustrator and photoshop files, which forces me to stick to the Win version most of the time.
Greg
However, there are issues that might stop people from using the Linux version - for example, I use a lot of illustrator and photoshop files, which forces me to stick to the Win version most of the time.
Greg
Technical Discussion » Expression in Group SOP, strange results
- aiworks
- 130 posts
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Hi Frederik,
Might be a good idea. I'm actually surprised that none of the devs following the forums has not stumbled upon our discussion, yet.
Greg.
Might be a good idea. I'm actually surprised that none of the devs following the forums has not stumbled upon our discussion, yet.
Greg.
Houdini Indie and Apprentice » Houdini is super SLOW
- aiworks
- 130 posts
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Maybe this helps:
http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=11617&highlight=icons+directory [sidefx.com]
If not, maybe try searching for “no icons” on the forum - this ain't new issue.
Greg
http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=11617&highlight=icons+directory [sidefx.com]
If not, maybe try searching for “no icons” on the forum - this ain't new issue.
Greg
Technical Discussion » Expression in Group SOP, strange results
- aiworks
- 130 posts
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Hi,
I'm surprised that you are surprised - if there is a rounding issue with $CEY, it will show wherever you try to use it ;-)
Cheers,
Greg
I'm surprised that you are surprised - if there is a rounding issue with $CEY, it will show wherever you try to use it ;-)
Cheers,
Greg
Houdini Indie and Apprentice » How to blend two ramps
- aiworks
- 130 posts
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Houdini Indie and Apprentice » How to blend two ramps
- aiworks
- 130 posts
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Hi Evbody,
I have no idea how to approach the following issue, maybe I could get some advice:
I have two “simple ramp” shaders, both with slightly different base colors. The are assigned to different groups on a single mesh, and I need to add a smooth transition/blend between the two.
Thanks in advance for all suggestions.
Cheers,
Greg
I have no idea how to approach the following issue, maybe I could get some advice:
I have two “simple ramp” shaders, both with slightly different base colors. The are assigned to different groups on a single mesh, and I need to add a smooth transition/blend between the two.
Thanks in advance for all suggestions.
Cheers,
Greg
Houdini Indie and Apprentice » primitives being placed outside Geometry SOP
- aiworks
- 130 posts
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Technical Discussion » Expression in Group SOP, strange results
- aiworks
- 130 posts
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Hi Fredrik,
Glad it works for you :-)
Beeing too newbie, too, I'll leave the “bug or not” issue to more experienced ones ;-) - is there any “Adept” or “Master” around to say more about it?
Greg
Glad it works for you :-)
Beeing too newbie, too, I'll leave the “bug or not” issue to more experienced ones ;-) - is there any “Adept” or “Master” around to say more about it?
Greg
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