As already stated in the comments, you can surely find a 3d export format which stores the normals too. On the other hand, I believe the only information you are missing is, that there is a function Normal (which has nothing to do with the normals).
This function transforms a GraphicsComplex bac...
@chris Which, the one for smoking purposes? See this.
@chris Peculiar, but I've personally observed that even seemingly simple manipulations on the function to be transformed can cause InverseLaplaceTransform[] to choke...
@J.M. I poured the thiosulfate solution all over my kiln today. No Chernobil effect, so I think chemistry is at the end less random than astrology. I plan to make a barbecue this weekend. If I don't show up next week, please redistribute my rep points among the poorest.
@rm-rf it seems a fraction of the unanswered question have in fact been answered in comments. Its a matter of the author of the comments of turning their comments into answers ;-)
I try to practice! But here the problem was the Map instead of the MapThread, not really the pure function part, so I assume that I'm not that.. bad :)
I saw yesterday a post here in SE that I think was deleted. It was about the recently published MIT algorithm called "Eulerian Video Magnification for Revealing Subtle Changes in the World ACM Transaction on Graphics". The post was a little bit generic, but the subject was amazing.
In the article...
"Here's a paper describing an algorithm, can you please implement it in Mathematica?". Do we really want such questions here? Because if that's welcome, I also have several like this (and no time to implement them).
(I don't mean to insult the person asking the question by this of course)
@acl People should realize that asking someone to replicate months and months of research effort and translate from A to B for free is not only excessive, but an abuse of the members' time here, but no one seems to care. It is important that regular and experienced users not do this, as then it gives new users and bystanders a reason to ask such questions.
This was asked here yesterday and my comment, which got 5 upvotes was this:
> Questions should be reasonably scoped and not open ended, as per the faq. Asking someone to read a paper and implement something complex so you can learn Mathematica is 1) not allowed here and 2) not a good way to learn it. Instead, I suggest that you try your best to implement it and ask specific and focussed questions instead of giving up at the first step.
> Start small. You're not going to implement it in a day. For starters, see what kind of spatial decomposition they're doing and try to replicate that. Build small examples and work with them and ask a question when you're stuck
5 people agreed with me enough to upvote, but not enough to vote to close (which is what I was arguing for)?
@acl Yeah. Someone else asked it yesterday and they self deleted after my comment. The new one is basically identical (by a different user). The only difference is that the other person said "Here's this paper, now implement this for me" whereas now, it has been changed to "Here's this paper and the MATLAB code. Read the paper and translate MATLAB for me."
I have plenty of stuff that I'd like folks to implement for me. Heck, I still use MATLAB regularly because a lot of packages and toolboxes/functionality are not available in mma. I too would like if someone translated them for free for me...
@rm-rf I agreed with you and upvoted you comment, but since you didn't voted to close, I was unsure whether you intended something else. That's why I waited. Without you comment I would have voted to close.
And finally, it seems the guy understood your hint.
@halirutan I can't "vote to close"... if I close, it's slam shut. I generally refrain from voting until a few votes are on the table if the question is not completely junk (which it was not here) and if the question is from a regular user (both Murta and Diego). The only cases when I close immediately for regular users is if I'm sure it is 100% dupe or if it is outrightly localized.
So generally comments are the way I express my view :)
Could someone please run my new CDF here 12000.org/my_notes/mma_demos/principle_stresses_in_2D/index.htm and just let me know if it looks 'ok' for you? I do not have a mac, so will be nice to know if it looks OK on the mac. It makes Mohr's circle for plain stress analysis. I need to send it to WRI demo project, so thought nice to get a review from the experts here before I send it. Hard to change once submitted.
I'd like to know if the demo is clear and easy to use. thanks!
Well.. It's not my intention to put a bad question here. But I think that it's very cool, so I posted that
About the "Eulerian Video Magnification with CurrentImage[]"
I feel people get a little nervous when the issues are not simple. I do not think we have to limit ourselves to simple cases. Especially when the question itself is interesting, even without answer.
@Murta I do, but the world is full of interesting questions without answers! Everybody has lots of questions, which is why on this site, we try to focus on ones that can be sufficiently answered :)
Interesting questions with answers are more useful than interesting questions alone... the latter might belong on a blog. Chat would've been a good way to bring attention to interesting topics... you could've bounced some ideas off a few people or gotten some general hints on where to start poking, etc.
But look: I'd love to know how the bipartite entanglement entropy spectrum of a state satisfying the ETH changes as I move the partition. This is really just a question of finding the eigenstate of some matrix, forming a tensor in a well-defined way from it, and contracting indices. Should I ask here "please implement this for me as it's uber-cool"?
It's just unlikely to receive an answer simply because it takes someone with expertise in a couple of specific domains and lots of time on their hands. Same with your question
Which is why we try to limit things based on scope and not subject or popularity (although, we're not always successful). Just because image processing is "cool" and easily understandable by the lay person (== lots of upvotes) does not mean that a 1 yr project can be asked as a question when something in quantum mechanics won't get the same reception.
I guess another point would be that doing what @Murta suggests is already possible, on the mathgroup. So why allow it here, too? I just don't think this is the place for this
In any case, please don't take arguments and discussions here personally @Murta ... this discussion was long overdue and instances of this are increasing (and will increase) as we grow larger.
just curious. This conversion (Eulerian in Mathematica) is this big? Inside the ZIP the biggest part is the pack matlabPyrTools. But this is a complete pack, and I fell that just a small part of it is used. I have difficult to "navigate" in Matlab, so I'm not sure.
What is the sort criterion used to generate this page? The questions are not sorted by views, nor votes, nor number of answers. So by what?
