Moose-dev April 2013

moose-dev@list.inf.unibe.ch

34 participants
198 discussions

EyeSee heatmap
by Ben Coman 08 Apr '13

08 Apr '13

I have two sets of data X & Y, which for all combinations of (x@y) I calculate a third value z, which ends up represented as a collection of "points associated with a value eg (x@y)->z)." I'd like to chart this as a heat map - very much like a Scatterplot but each point '(x@y)' has its pixel color dependent on 'z'. Any ideas how to go about this with EyeSee ? cheers -ben

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Re; Videos of PharoConf & MooseDay: Presenters of show us your project
by Stephan Eggermont 08 Apr '13

08 Apr '13

Max wrote: >I demoed FileSystem-Git on the first day. I was second last I think. Ok, you are next. Raw version, not merged with screencast yet. I assume having video fast, and fancy later is the way to do this. Stephan

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Videos of PharoConf & MooseDay: Presenters of show us your project
by Stephan Eggermont 08 Apr '13

08 Apr '13

Hmm, Just finished uploading one hour of Pharo Roadmap. Should be visible on youtube soon. Next: Diego's Data Migration with Moose (still rendering, could arrive somewhere late this night). I'll let my machine render and upload a few parts more. Fixing & cleaning is for later. They should take half a day each or so. I know a lot of Pharo people, but not all. Can anyone tell me, who presented what (and when) in the Show us your project? Cheers, Stephan

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State of PharoConf videos
by Stephan Eggermont 08 Apr '13

08 Apr '13

Hi, I'm very happy to see that the initiative to make video recordings of the PharoConf and MooseDay has resulted in so many screencasts already published. Great work! And now the first feedback: - Format conversion: 62 of 72 GB done, processing the whole weekend. - First 13 minute part currently encoding and uploading. Still about an hour and a half to go. - I would like to receive the presentation files to combine them with video. - Some of the material is difficult to use. Zoomed out too much it is difficult to follow the speaker and the beamer screen is not readable. Combining a screencast with the video only makes sense when zoomed in (talking head size). Why does this take so long? - the video is in a format that I cannot work with directly, so needs transcoding. I have been using VideoMonkey for this, which is based on ffmpeg. I have the impression that this ffmpeg is not using the GPU, but only the i5. I'm open for suggestions on better software for this in the future, as it takes the whole weekend. - I switched from iMovie to Final Cut Pro X. That allows non-linear editing, so I don't have to wait for rendering to cut the movies. It remains responsive even during the format conversion. - video is much larger than the equivalent length of screencast. That creates a upload bottleneck. 13 minutes of HD video is 733 MB. My home upload is 1Mbps (2 hours), so for uploading more material I'll ask someone at our local university. - I'm spending a limited amount of time during the weekend (and none next week). Stephan

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Photos from Pharoconf and Moose day on G+
by Yuriy Tymchuk 08 Apr '13

08 Apr '13

Hi, https://plus.google.com/events/crhg5httv7iserrrqv5tulaevhc https://plus.google.com/events/cbi42b525e96tp1gj2bjr9bolns Uko

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moose on ubuntu
by Alexandre Bergel 08 Apr '13

08 Apr '13

Hi! I am just back from teaching smalltalk and Moose. Many of the students are experiencing sudden crashes using Moose 4.7. Apparently using regular expression on Moose 4.7 may lead to this crash. Any comment? Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

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[ANN] Pharo VM packages and PPA for Ubuntu
by Damien Cassou 08 Apr '13

08 Apr '13

Dear Pharo and Ubuntu users, Nicolas Petton and I are proud to announce Ubuntu packages for the Pharo VM. Installing the pharo vm is now just a matter of: sudo add-apt-repository ppa:cassou/pharo sudo apt-get update sudo apt-get install pharo-vm With this package, you get: - the latest pharo vm as a 'pharo' binary in the PATH - all plugins and libraries (native boost, freetype, ssl, ...) - file association so you can just double-click on pharo images - pharo icons visible everywhere (on image files, on ALT+TAB...) - PharoV10.sources and PharoV20.sources Please fill bug reports on https://pharo.fogbugz.com. This package is currently only available for Ubuntu 12.10 Quantal. Fill a bug report if you want me to package it for another version of Ubuntu. -- Damien Cassou http://damiencassou.seasidehosting.st "Success is the ability to go from one failure to another without losing enthusiasm." Winston Churchill

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Re: [Pharo-users] Generating flow chart / state diagram from Moose
by Tudor Girba 08 Apr '13

08 Apr '13

Hi Norbert, You should indeed look at Roassal. Could you give us an example of the data you have? Perhaps we can get you started with an example. Cheers, Doru On Apr 4, 2013, at 11:28 AM, Norbert Hartl <norbert(a)hartl.name> wrote: > Hi Stephan, > > Am 04.04.2013 um 10:48 schrieb Stephan Eggermont <stephan(a)stack.nl>: > >> Hi Norbert, >> >> Could you get some inspiration from the PetitParser browser? >> What would you need more? Roassal could do with some >> more shapes, but is pretty good for something like that. >> > with PetitParser browser you mean the PetitParser UI? And what aspect you are referring to? The linked node diagram of productions? > > Can you elaborate on the capabilities of Roassal? I had a look at Roassal. As far as I understand it is suited for larger distributions of rather homogenous shapes. I know you can choose different shapes for different views. But my case would be more a "constructing" of an diagram image. > > Ok, the real plan. I'm implementing an communication stack [1] where the central behavior is a huge state machine / flow chart description [2] (the state machine / flow chart is described on page 30 to 60). This is a task that is hard to do right without any guidance. My idea is to figure out a way to annotate the sources in a way to get the right points in control flow from code. From this I like to create a diagram that is semantically equivalent to the description in the spec. I'll need therefor things to create state machine / flow charts, meaning shapes, directed arrows, branches etc.. Well, my dream would be to inject a real data packet into the communication layer and get a diagram where the path taken is highlighted :) > > The best approach I have til now is to generate a graphviz dot file for the diagrams but using anything from Moose would indeed be nicer. > > Norbert > > [1] http://en.wikipedia.org/wiki/Transaction_Capabilities_Application_Part > [2] http://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-Q.774-199706-I!!PDF-… -- www.tudorgirba.com "Problem solving efficiency grows with the abstractness level of problem understanding."

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First 13 minutes of PharoConf
by Stephan Eggermont 08 Apr '13

08 Apr '13

https://www.youtube.com/watch?v=qwc84HSkO1w More to come... Stephan

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Strange thread in mails
by Stéphane Ducasse 07 Apr '13

07 Apr '13

Hi guys is it my settings or not? Because I get several times your mails and there are often not grouped in thread in Mail. Stef

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Moose-dev April 2013