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A more optimized version
Attachment : trispiral.thr
Here is the preview
Attachment : trispiral.png
Just dinking round with the JSisyphus code. Thought I would share.
Attachment : trispiral.thr
... an x,y based image and converts it into the dialect of polar that the table speaks and just realized there WAs a reversal.
just my notes of the tables polar preferences vs the Cartesian equivalent
1) quadrants are different - for the normal 1,2,3,4 in Cartesian , the table "sees" 2,3,4,1 for the image - just a Pi/2 rotation fixes that.
2) The table is exquisitely sensitive to the value of Pi when you cross the 0 angle line clockwise or counterclockwise , otherwise it "jumps" in movement
3) The 0,0 area is problematic area for drawing - best to avoid or ...
It's probably just interpreting theta reverse to what you thought, which I think would also mirror the X axis.
... on the X axis (doing a Cartesian translation of the polar .thr file)? The letters are reversed. I've only noticed this since most of my previous submissions were symmetric objects and the mirroring WAs not apparent. I just mirror the Cartesian file on the X axis and it looks "normal". But is this just how the table software works?
So let me try to rephase your answer
1) when you power up the table "theta" has an absolute meaning based on a sensor
a) you can determine that position by looking at the position of ball at 0,1 after say an initial "Erase" routine.
2) After the 1st track play is complete - theta 0 now starts relative to the position of the ball when the new track begins.
is that correct?
Again - most tracks are symmetric so the starting theta 0 is irrelevant. It's just the ones that are pictures that end up "upside down" or "sideways".
You touch on an interesting point. Yes, there is an absolute meaning of "up". It is determined by where "home" is for the Theta (rotational) axis - which is a physical sensor in fixed location. At this point in development, we haven't been religious about handling Theta - as opposed to Rho, where things are not at all forgiving if you start in the wrong place. For now, up is the Theta heading after the first homing after bootup (sensored). Tracks in a playlist start (Theta-wise) wherever they find themselves. (Ability to control this will improve...)
OK. I know why the file WAsn't attached, since this just happened again. The file type isn't allowed. Here's a google drive link. Just hit request, and send a message if there's a space to.
1.12.04 update is out. With it, on the homepage, you can click on "Connections" in the Next Up heading to View the track flow and information on their start/end (rho) values.
The table will do its best to play smoothly, but depending on the order and track values, it is not always possible. The queue will let you rearrange the track order yourself if you WAnt to fix the upcoming order manually.
Appreciate the multiple suggestions, and will discuss with devs. One thing to keep in mind is that high speed on tracks that have sharp corners (which "erase" completely avoids) is more likely to cause position error on metal tables and Minis (because they use steppers, which do not have position feedback). Position error does not cause physical harm - but can cause noise, distorted tracks, and losing the ball from hitting the ball Park.
Agreed! I use some tracks as a base before the next track, or to plow sand back to the center, so I’m not concerned about precision on those tracks, and would use faster speeds. For more intricate patterns, slower speed with more detail is better.
In addition to the ability to change the speed of individual tracks in a playlist, I’d also like the ability to select whether to pause after each track. If I ran an E10, an attach or detach, or an Apache1 in reverse to push sand into the center, I would deselect the contemplation pause after those tracks. Possibly, for the attach and detach, program it to immediately begin the next track always.
When editing a playlist, and selecting the add a track option, could the new track be inserted into the playlist at the point where you are in the list? Current behavior adds the new track to the bottom of the list, then you need to drag the track into the desired position in the playlist.
What function does the “favorite” button have? Can “favorited” tracks be added to the left side of the edit playlist screen so they could be inserted easily? If so, I’d recommend that the attach and detach tracks default to “favorite” for easy insertion. If this is already a feature, please accept my apology for not having tested it!
Do the tracks have the ability to attach multiple images in the library? I’d appreciate seeing images of the track in standard and reversed mode (for those that can be reversed), and with multi-ball (standard and reversed).
Finally, I have a suggestion for an edge-plowing track. The magnet can go outside of rho 1, as it does during the Park and attach routines. Can a track be created to use the second ball to run consecutive reversing “c” patterns ending at each edge of the garage from the extreme reach of the 2nd magnet arm to clear the edges of the sand ridge back inside of the rho=1 position?
Thank you!
My guess is that you might have some cumulative position error (tiny errors that add up). This is more likely to happen if you run at high speeds. We're working on some improvements to the motion control code, that should lessen this likelihood - but in the mean time, you can move (or remove) the plastic ball Park by carefully loosening it by prying it up with a non-sharp flat tool (butter knife?). It's held in place by strong double-stick tape.
Hello, i have placed a order for a coffee table and am excited to start using it when it arrives. Is there a WAy to build playlist, explore tracks, or learn the ui of the app before my table arrives? I downloaded the app and it appears that without connecting to a device that the app has a roadblock.
Also if the app is a dead end until connected, is there a web based WAy to do build Playlist or View available tracks?
And lastly, is there a place for users to share their favorite playlist or tracks with each other. Is there a WAy to sort tracks for "most ...
I run 2-ball frequently; I have Attach and Detach in my main playlist so it's kind of random. Yes, some tracks are not ideal in 2-ball mode. There is a flag for this, but the table does not use it yet. On my 2' side table I've never had lost ball or attached-to-main. The only problem I have is that after a while Detach stops working due to sand build-up in the ball Park, so I have to manually clear that. I'm wondering if maybe you have too much sand on your table. Did you use all of it, or about half-ish (we didn't use all the sand that came with the table).
Hi gang. I’m a newbie and am very excited about the anticipated arrival of the metal coffee table that I just recently ordered.
Q for you, as I’m new. I’ve seen multiple references to the two-ball + RGB upgrade, and now am not sure exactly what I might be getting when the table arrives. If I ordered the RGB metal coffee table, does it also come with the two-ball capability (ball Park + extra arm + extra ball) or is that an additional customization that is purchased separately?
@burningamd, ah, right using the Community feature you can't see the track files. My tracks (same as in the Community) are downloadable here:
@Bruce, OK, good to know about it not being centrifugal force! Too much sci-fi on my part I'm sure. Could the ball Park not be positioned correctly?
Is there a WAy to safely remove the ballpark ? I mean, detach it from the table without causing damage underneath ? I really love my table, I mean, REALLY, but ALL my frustrations come from this ballpark.
During the first week when I got the table , I've tried a couple of tracks with two balls mode and it WAs nice to see it operate. But frequently, the second ball WAs getting stock on the "main Park" of the ballpark (on the right side)... Or even worse, during a Single ball track run, the second ball WAs hooked by "mistake" by the secondary arm and ruins th ...
Today we released a new update to the Sisyphus tables, with a matching update coming to iOS and Android as soon as they pass review with their stores.
Sisyphus 1.10.77 update includes:
Fix reversible issue with old tracks (endless teardrop)
Remove comments/duplicate verts on track intake
Hotspot turned off if connected to Ethernet
Force Orientation for tracks
Download Webcenter tracks directly
Async track time calculating, cached track time values (less movement pauses when this occurs)
Skip thr lines with more than 2 values, clamp Rho values to -0.1:1.1
App/Browser 1.10.51 update includes:
Tablet/Web View layout added (see attachment)
Dark Mode (based on your OS settings)
Change brightness or Sisyphus from Sleeping Screen
Shutdown added to Advanced Settings
Improved track time on Home page
Force Orientation toggle on track page
Additional bug fixes
Tilt controller (App only)
The update as a whole fixes a number of bugs that could make the table pause movement when is shouldn't have.
As for what is coming up in the next updates, we will be working on Erase Between Tracks (it is working, but the playlist logic still needs work). We also are working hard on a new card image that is more resilient to power loss issues and a new update process that is faster and more reliable.
Attachment : Simulator-Screen-Shot-iPad-Pro-12.9-inch-4th-generation-2020-11-23-at-15.45.21.png
@bruce
I'll give that a look, it's only certain tracks though. Maybe the acceleration in those in particular are selectively causing slipping. But I suspect this is not the case because the track is otherwise OK and it seems very deliberately going off.
For instance if you look at the photo of the triangular track, the track is "printing" fine, but as the triangle gets bigger it starts ramming the ball into the Park, eventually it over travels so much it knocks the ball off.
It homes in the center fine and prints 45 other tracks perfectly.
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