LAVA 1.0 Content

Is there a way to view the relationships of members of a class? Something that shows what is the Parent and what is the child. I'm trying to answer my own questions (above) so ti seems I should look for the parent of all of the objects since my "change color after the fact" change request affects all of the drawable objects. Or am I going at this the wrong way and I should expect to (?) write a new method (?) for each of the shapes? Still trying, Ben

Hi Tomi, I really have to thank you for posting this example. It is starting to make this OO stuff click for me. I have been going over your example and re-reading the article by Aristos Queue. I am not comforatable enough with the terminology to summarize what I have learned yet. While conducting this exercise, I have asked myself a couple of questions that I can't answer. I hope they are easy for you (or others). 1) How would I modify this example if I wanted to change the color of an object already on the screen? (undraw all until I get to the one I want, fix it, and then re-draw?) 2) If I wanted to allow the user to click on a previously drawn object and change it to a different shape, how can I use the click coordinates to figure out which of the objects it goes with? 3) Your examples keeps the shapes in what appears to be a stack that you add to or remove from. How does LVOOP let me get at arbitrary shapes with out popping them of the stack? I hope these Q's are very basic. Still trying to "slip another tool into my bag", Ben

QUOTE (BrokenArrow @ May 13 2008, 10:21 AM) There is probably a forma definition of a driver somewhere, that I 'll others find and link. Years ago I asked "what is the difference between a mainframe and a super-mini computer?" The response was "Anything that cost more than $1M is a mainframe." To me a driver is software entity that translates opeartional requests into hardware interactions that produce required results. An automobile driver takes request "turn left" slow down" and manipulates the hardware for that end. A disk driver accepts read request (read 100 bytes from block sector 500) into a "seek command" "header verify" "read 512 bytes" "transfer to client buffer". Ben

QUOTE (tcplomp @ May 13 2008, 09:55 AM) Good point Ton! Provided you don't have to change the enums at run time (which you can't in an active VI) you can define values of a ring and then replace the ring with an enum. Provided the enum does not end up being sparse (not all values defined) this makes it much easier to define all of the enum values. Ben

QUOTE (vestman @ May 13 2008, 09:40 AM) Ben cast a skeptical eye over the top of his glasses.... 30ms would make me write up an exaustive memo about unrealistic goals on Windows. 100ms would only get a foot-note in the spec. Have fun, Ben

QUOTE (crelf @ May 11 2008, 07:56 PM) That, I like! :thumbup: Ben

QUOTE (crelf @ May 10 2008, 09:12 AM) Agreed! Can I replace with avatars? I don't have access to fancy graphics software but PowerPoint and Paint let me do this. (My old PC was crying durring these edits! ) This includes the top eight contributors Sorry Rolf, I told him to draw ten.) http://lavag.org/old_files/monthly_05_2008/post-29-1210432690.png' target="_blank"> There is also the option that I get my artist to re-do the image but doing characatures of the avatars (Tomi, your avatar will be a challenge). Maybe a collage of the rest of the avatars in the background? Could these images be combined with the Volcano image somehow? I'll gladly supply the original (huge) BMP's to anyone that has better tools for this job. I'm open to whatever the community thinks. Just trying to help. Ben

The text is up for discusion.... Front: "LAVA - Its like like flying with Superman.... " Back: "... but without the turbulance." I have higher res versions avaialble but the front side image is over 100Meg in BMP form. Ben

QUOTE (Duncan @ May 9 2008, 11:57 AM) Good! I expect you will get help from John and find him both knowledgeable and brutally honest about the LabVIEW code and the hardware capabilities. I seem to rember him describing the "driver" saying something to the effect of "Yeah that was more an exercise in parsing text than...". have fun, Ben

QUOTE (crelf @ May 8 2008, 04:08 PM) This thread reminds me of a poster from DEC that featured a guy sitting on a porch looking out over the ocean, his feet up on the railing next to the display of a VT-220 and keyborad in his lap. No need for a mouse they had not been invented. I tried it out for myself a couple of years back. The results were carpel tunnel due to the poor ergonomics. :headbang: Watch your wrist Stephen and enjoy it while you can. :thumbup: Ben

QUOTE (Duncan @ May 8 2008, 12:29 PM) NOTE: I replied to Duncan via PM with contact info for IOTech. Ben

Setting the hardware re:current and voltage aside... I did one of those using a an FPGA that syncronized two steppers such that a poratable welder could cut ovals. If memory serves me (too many projects, so little brain) we just used FTP to transfer the pattern to the FPGA ahead of time. So yes FPGA's will work. Ben

QUOTE (netta @ May 7 2008, 12:10 PM) use a "hex editor" not a text editor...

Does anybody have experiences (bad or good) with those direct NI drive from Primatics? EDIT: I am looking for a kind of rating, not for help using it.

Hmmm.... Good ideas rolling in fast! I am going to put pressure on my artist to get those images ready for my OTHER idea. At the very least I hope Y'all will find it funny. Ben

QUOTE (jbrohan @ May 6 2008, 10:02 AM) In my case I put all of the relay modules at the end of the string (away from the network module). i also suggest you check with NI about the RLY-420's. Something tells me there was a recall for some FP widget. It may have been the RLY-420's. Ben

... and if you are looking for another way to look at this challenge, my Save-Restore Nugget on the Dark-Side touches on arbitrary clusters and un-raveling them. Ben

QUOTE (tnt @ May 6 2008, 11:16 AM) Right QUOTE I think it is a hysteresis!! Isn't it? No, in fact it's a bit of code that remained after a specification change. It was not the only one, but it was the funniest.

I'm refactoring an application made a few years ago by someone who is no longer in my company and here is a funny bit of code I wanted to share : /pedantic Am I bigger than someone smaller than me AND smaller than someone bigger than me ? How good is that ! pedantic/ Ok.. lots of us - crazy coffee drinkers - happen to wire too fast sometimes, but still... it's better to laugh about that !

Maybe Aristos Q gave the answer here : http://forums.lavag.org/Max-number-of-VIs-...ect-t10809.html

Don't have time to devote to this project (I have episodes of Giligan's Island hat need watched) but I have ideas that may inspire better ones. Front: "LAVA where the greatest minds of of LabVIEW colapse into a single functions." Image from Benny Lava video. Back: "Who put the Gate in there?" Ben

QUOTE (ragglefrock @ May 3 2008, 10:36 AM) I can understand why you would believe that but I can't say that I am convinced that is true. Couldn't the type we specify when opening the VI contain enough info to allow LV to make that distinction? After all it does determine the calling convetion for the Vi being called. Rolf et al, Do you have any thoughts on this question? Just wondering out loud, Ben

Its Saturday morning and I had a chance to watch the video. Here are my random thoughts. 1) According to the Wiki vs TV time stats, Alfa's estimate should be reduced to 99.95%. 2) My son has been predicting the death of TV for the last 7 years due to the lack of interactivity. He looks at me and asks "Why do you want to watch a movie when you have no control over the plot and it always ends the same way?" 3) Where do we fit into this game if contributing to the forums is our way of "wasting time"? 4) Rest ( non-productive time) is part of our nature. Mindlessly watching TV is a form of rest and should not count against us as a species. 5) Maryann was definately the cuter of the two. Ben

Just a quick idea for the discussion... Download File:post-6703-1209759412.vi

QUOTE (jfazekas @ May 1 2008, 01:58 PM) If you use Waveform data types, the "t0" of the waveform dicatate the value on the X-Axis. Ben