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Houdini Lounge » compilation block Group
- CGxiao
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Node encapsulation assets in the compilation block do not allow group selection. Only after unlocking the assets, entering the assets and displaying them in the compilation can you select a group.
Houdini Indie and Apprentice » Houdini 20 steam
- CGxiao
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马特I look forward to the Linux version of Steam’s Houdini being launched soon. The Houdini version of Steam we bought is just for use on Linux.bolliliOur login licensing allows the same benefits as steam. You can login from wherever and whenever you want.
You can log in and out with your steam client whenever and wherever you want.
Houdini Indie and Apprentice » Houdini 20 steam
- CGxiao
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When will Houdini on steam support linux systems? Currently only supports windows and mac. But now we use Houdini on Linux system. As a result, we cannot use Houdini on Steam even if we have purchased a lot.
Technical Discussion » steam houdini
- CGxiao
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How can I let the official staff of Houdini see if I can make Steam's Houdini support the Linux version? Thanks.
Technical Discussion » The axis of houdini's sphere bound is wrong
- CGxiao
- 13 posts
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animatrix_
Hi,
This is by design.
Oriented Bounding Box (OBB) aligns with the eigenvectors derived from the input geometry's covariance matrix.
From this matrix, it determines the principal directions along which the points spread out the most - these directions are identified by calculating the eigenvectors of the covariance matrix. These eigenvectors do not necessarily align with the world axes because they are intimately related to the geometry's own distribution of points, not the global coordinates.
This approach doesn't necessarily produce the smallest box, but it ensures that the box is aligned with the geometry's natural orientation, thereby efficiently encapsulating the actual shape.
On the other hand, the Minimum Volume Box (MVB) takes a different approach. It seeks to encapsulate the geometry within a box of the absolute minimum volume, regardless of the geometry's principal directions. This process involves a more complex calculation, often exploring various orientations of the box to determine the one that encompasses the geometry with the smallest volume.
Hope this helps.
Technical Discussion » The axis of houdini's sphere bound is wrong
- CGxiao
- 13 posts
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非常
On a perfect sphere, any rotation would be correct. In this case you're getting the rotation that results in the smallest possible bounding box, taking the subdivisions into account. You can uncheck Oriented Bounding Box if you'd rather have it straight.
Technical Discussion » The axis of houdini's sphere bound is wrong
- CGxiao
- 13 posts
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Hello everyone, houdini’s sphere bound. There seems to be an axial misalignment problem.
Technical Discussion » Compiling SOP issues
- CGxiao
- 13 posts
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那些Thank you! With your official response, I took a reassuring pill. I used to be very confused and anxious, and no one gave an accurate response. Will Invoke SOP calls be faster than traditional calls? For example, will point (../) detail (../) be slower than Invoke SOP? That kind has more advantages. Is it recommended to only use Invoke SOP to call in the future.
It's not necessary to compile SOPs
But compiling can have advantages even when not using for each
it is however necessary to compile SOP network if you want to evaluate it using Invoke SOP for example
Technical Discussion » Compiling SOP issues
- CGxiao
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Technical Discussion » Houdini19.5 file cache issue
- CGxiao
- 13 posts
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气味Thank you for the answer. When I cache, in most cases, there is no need to modify it. thank you.
Yes it works.
Is it unreasonable? Well, that depends on how many cores you have, and what kind of nodes you are caching. If you're caching something like a remesh that is single threaded, then it's probably wasting a bit of CPU, but if you're doing something like the VDB operations that use all the cores, then it's actually probably too many cores at once and you are losing performance by overloading the CPU.
That's why there's the option to make your own scheduler and set it to what's appropriate for the operations you are caching.
1/4 is a decent middle ground for most stuff and CPUs from my experience.
Technical Discussion » Houdini19.5 file cache issue
- CGxiao
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Houdini19.5 file cache node, when opened, you can see that there is a limit of one quarter CPU usage set in the PDG. Does this option work? If it does, is it unreasonable? Did I use Houdini19.5 file caching to cache node output cache, causing a large amount of CPU idle?
Edited by CGxiao - April 23, 2023 09:05:12
Technical Discussion » Houdini ,1/3 ,1/6
- CGxiao
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How much will Houdini take for the final results of 1/3 and 1/6 in Houdini. Is it 0.166 or 0.167 for 1/6
???
???
Edited by CGxiao - April 22, 2023 07:16:28
Technical Discussion » Houdini memory overlay problem
- CGxiao
- 13 posts
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Whether Houdini is version 15 or the latest version 18, why does it do it regardless of pyro cache or flip cache. Why cache to disk, background cache, computer memory will constantly overlap, and then directly burst memory. Isn't the background cache to disk just counting the data for the current frame? I found all the data in the previous frame, which is difficult to release. The background cache memory under win system is basically not released. Under the liunx system, the memory is also superimposed, but it will be released a little. The 64G memory tested is very large, but Houdini's background cache solves the 64G memory and counts 15 million particles. If it is less than 120 frames, the memory will burst. But naiad tested the same machine with 64G of memory. With 60G memory, a shortage of 700 million particles can be counted, and a frame buffer of 7G can count more than 240 frames. Naiad only used 60G of memory. This question is very confusing for me. Never add unlimited memory. I will add comparative data and screenshots later.
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