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3D-printing with GRASS GIS Ð a work in progress in report

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the got 3 D printing can already be achieved in trust and then hopefully will see some new modules involving for that in the very near future and some of this is a strange angle but I'm a library guy actually research libraries actually have taken on what's called Visual Analytics and 3 D printing as part of an end to busy driving the standardization of metadata which is a good but on like the unless that but in the library OK and all of this is totally work-in-progress chair I started this could be much much more about this in the future OK the library Anglican wise
Library diet and that such a conference of fast Open Source and Science equals all so basically for and science can only advance when knowledge is chip is shared if you don't share knowledge it everybody has to reinvent the wheel time and time again and not making progress but if you show stuff science itself advances that's good for us and I worked for the
national library in Germany is called the German National Library of Science and Technology they're actually worldwide the largest library for science and technology globally so you guys have been to Powell's bookshop the alright if you haven't check it out it's really nice OK i we have about the same number of employees about 500 but we have 125 kilometers of shelving so size wise we still be and that OK that the library is the National Library for engineering technology and physical sciences of funded by the federal government and the been doing a digital object identifiers this like nice be and number of datasets since 2005 pictured in Fig I knew that and on the side we also of serving the University of in Hanover in as the university library but that's just the of the future of
libraries extends that of Paul's itself except for the week of course of saliva a changing from repositories for printed information to a place where communities that they will become community centers providing new services shaping innovative research and hopefully eventually will come to something which uh it this nice catchphrase of for that it's serendipitous discovery and the source of me saying that but it's a guy from the Harvard-Smithsonian library at the Center for Astrophysics so of this is a common from vision shared by the Research Libraries globally so also um this and Christopher many states that was scientists focus on the final frontier source task force that started to me as a digit data-driven libraries will work on defining different kinds faithful of physical and virtual tools to capture imagination and enable researchers to explore and this is so much about open source you can't believe OK the the topic focusing on
Germany is a quote visualize stuff hold run to data analysis and how to interact with the data so what I'm going to talk about today is a of progress covering the feudal of Visual analytics from all angles on before I gender
libraries work as a park ranger in Germany so I have a bit of a background in interpretive interpretation of nature landscape geology what so How does this always this challenge you have a very interesting datasets especially as scientists and we have our ideas how this data should be visualized what to do with that but they have to carry that to the people they have to to to carry that message and this can be Don difficult sometimes so 1 may well of course we do in the last couple of days meeting all these also in 3 D the little visualizations which are very nice but it always requires a laptop vital to for into a forest to do some interpret and that's good adaptation there well yes I can carry a tablet of course but it's the same than having something the judge and put my hands on literally so a tangible representation of scientific results it's actually something very nice and this is actually a very old song which has been some before many times like on the lower left you see the oldest surviving physical globe model of the Earth so called be high and low it's really come to Germany next time check it out in Nuremberg it's in the national museum there so making gold small thing but the next low-pitch sort of looks like a potato that's a gravity model of Earth as it is called the bottom potato because it's graphical grammar tree so people still make use mollusk public Goldstone nowadays and of course all the cannibals them 3 D printed and you all know Star Trek they have these also replicators they just push a button to get a cup of tea or maybe a little global something instantaneously when that denies that might be the future but we won't have it for the time being and function OK now what I just said that from
the perspective of a scientist they of scientific data it has to be transformed and reduce to carry a message it ends up as a also freely print and then we can use it wasn't communication so I could talk about Martin tendency for example the however that's the point of the librarians or data scientists come in because they stop and they often these nagging questions about metadata for these datasets and so the question of course why do they do that of the evil no out
because internal 20 years or maybe 5 years who knows about what this thing might be sitting on a library shelf and we know since it wanted this so without the metadata it is virtually impossible to tie this thing back to the data it came from and also get energy but the provenance how it came into being old metadata is really crucial
we want to be fairly quick service this presentation will be on Slideshare so you can check it out later so there are certain requirements for digital archives of from the perspective of libraries so there's the semantic preservation logical preservation and the preservation but the attack
them all this is a good 1 actually regarding the future of libraries there and the so called NCM arising report about uh on libraries on scientific libraries just was released in May this year of my library was part of the of of the concert English which funded dead and it denotes trends technologies and challenges over the next 5 years in the library so it's also a very interesting for you guys to show to data handling and so there's some some cool predictions about the rise of alternatives such technologies lots of dieselization knows what I that I like very much the need for radical change point to technological and social upheaval libraries usually don't use these dramatic terms the thing is available on the internet you can download it has gone viral by now we have the already had a million downloads so really would invite you to check it out it's for 3 the so from our
perspective so how do we proceed into the future RBF this report giving us the latest vision then the approaching it top down by project going to say a couple of words about this in a minute and then bottom-up and that's across comes into play and hopefully will move forward to the bright future the strange world of the future of the data-driven library eventually so they're going to really be steampunk them hopefully OK on the top
down side actually that B. is involved in the European research project focusing on whole metadata for 3 D data especially on point clouds can be preserved can be optimized so that that the point is how to preserve 3 models and for the future on the bottom outside it's the
cross stuff I'm going to talk about a bit more and this has have has been multiple interlinked 1st deeper learning curves of the last couple of years for a number of partners were involved so it was not just a be my library but also due Research achieve of sets of Germany and parts them uh Osaka University to some extent also FabLabs replication that's something might be familiar with the term so we started of this very simple experiments and now the technology has matured and the driving it toward so mainstreaming it and setting up workflows of services but on the other hand of course following the advancement of the 3 D printing technology in general is clear so let's go down to
that stocks freely printing yes it's the same the future is here they keep saying that they use a state in the eighties the home computers came out and ascetics 81 maybe some you remember the thing 1 kilobyte storage and candidacy 64 Indymedia 64 Kb storage also very cute by modern standards but in those days as was the future so here we are again the future is here the potential 3 D printing according to the media to users guns thank human body parts also clothing can be like that and and space exploration all these cool things currently part of the you print and we have a however this also
so most of you might be familiar with this the so-called gartner hype cycle which is a curve that looks like that average nose and them attention to the technology to receives before during its introduction face that's like ascetics 81 computer with 1 killed by the very beginning people felt like they could fight Moss that then it sort of peak that's for 3 D printing of expectations toward 3 D printing are right now and people actually figured out this is just a small it doesn't work then you have the downsized so this that the curve has its head it's going to hit rock bottom about depression let people figured I probably hundreds a joke modern 3 D printers uh they just print something has plastic but not what we want then eventually technology will mature but this might take 5 years 10 years it's very hard to tell the future is Israel to predict of course before is the however but we have by now these CTBT tiny plastic printers a good enough to produce handpieces showpieces pieces words therefore for science communication so they actually for pretty fast from the GOS world the massive step ahead because began get think it helps us to get the data into the real world again so for the
printing process the houses down actually and it's pretty straightforward so we have data on the 1 side should be turned into some kind of model which is exported preprint if you like like a pdf which can be sent to a print shop or something about something similar that you make a fashion as for print out of it so that's it the printing domains like uh is that he's person me I haven't bothered this printer driver since the early nineties just taken for granted because the same will come to us for the printer on his little hardware example on
how we do that for those who are not expensive that this is a random mill 3 D printing motivators model is a recommend 3 2 of which sits in them at or collaboration partners at the chips have passed under the research center there and it uses sort of plastic spaghetti on a real to print is just like the these glue guns if you like uh I can be used and in real life it looks like
that this thing sits on a shelf that's my colleague must topic of the resident PrintMaster off Potsdam uh they have this little plant just to give you a sense of scale in the background of course so this is the printer that's a close up is solver
complicated contraption also this bill also get better again in a very early stage of how the system and this is also
true printed tree looks when it's created a come back to that in Sec I OK that's good
that's and have a look at some of the uh application examples on the speed at elevation
models that's pretty trivial more innovation
models to make on of Olympus Mons on
Mars so so have have to carry a
message so here's another mountain the poker it's this is not Monsanto visible Carlson Namibia and the nice thing is we can use also yeah interesting plan printing materials like this
1 here it glows in the dark it they enough so far from lower right talking I look at this come back
to this ugly duckling the the purple thing OK with the story behind the purple things the following is little bit space H planet Mars has an awesome polar cap the lower left alone by now there orbiting um along the so i'm penetrating wise penetrating radar some the satellites they provide that as of that of cross sections of and usually in a analysis of this data is done in interpreting these cross sections of our friends of some of the Jerry of world from Rome some of you might know and and he came to was the tutor opossum and hospital be possible to have a pretty print of the things we did that for they did that for him and there you see the thing on the very top and a sense of what it what license so cool um Marx's right now undergoing ice age so the surface of this thing of the is not so interesting you can already see it from space interesting thing is the underside the Hidden Valley's covered by ice at the moment cosmos serves as an analogy to climate that you have got past the confusion over this really something and understanding was able to show that at the age you fall meeting 2 years ago so there was something and is really so yeah so I'm
not that's in that case he had 1 interesting volumes thing printed of course you can stack them up together like a year and so this is very nice and you want to tell about geology soul several geology stacks were on the printed which you've said and you can take them apart
at down if you like you can play with this 1 over here later on and it really helps to carry the message here's another example of just going to
glance quickly over this 1 of them space time tubes they have already been covered a couple of times here and um In the did your research center in Germany was vital stakeholder in the set up of and to manually warning system for Indonesia and not merely 1 existence nowadays still driven by large digital libraries of simulated tsunami so when there is a real event so they dig up a simulation in the library and act accordingly forewarning change the crucial part of courses have a feeling by that the simulation is used at that moment is valid or not these simulations are done by highly specialized scientists who really like the number so I'm I'm tempted to say the like Fortran I'm not sure of the to still use of self of bottom is very hard to predict the quality of the stuff so 1 way out of that were actually time printed and space time tubes like this ugly thing there and as the meta but the core message it conveys isn't on time to the future is up and it looks complicated it's pretty white about the bottom and it gets smaller the top would you see that the that the big thing at the bottom that's the initial tsunami wave going out but all the stuff sitting on top of it the book by with it's a HoCo tools are 2011 tonight and you look and on the east coast of Japan to local programs and all this stuff going up on the top part of this Sprint denotes the wave patterns flat wildly fluctuating after initial some has passed through these things they will block the harbors and they will make it impossible for vessels to come into port again and just get carrying this message to work and politicians and decision-makers is quite something so it's that just at debates an army with the beginning for those people and the cleaning up after that is also the smallest of the translate on you really can hamper operations and and this model actually isn't permanent display known Osaka um this thank of of OK not really
critique poses then grass but again
at so basically break prick getting it for you print out it's just a so the difference of printer printer-driver so just like when the previews PNG in PDF cover maps produced they're just different formats utk the over more and others STL which we already have gross this is really simple but it's a bit more to
it because of these models they need structural integrity that they're actually stable enough to be printed or was it was a smelter fall part which is silly and of course like to dedicate the amount of data has to be reduced otherwise so it does make sense thank you you wouldn't dream of printing out 4 thousand doctors to adults tree had about the DPI image on on just a small piece of paper just of making sense and OK as a set nowadays you can
already do it and then goes from injures volume generation processing to the export and they can only do this with the current models of foresee that the temporal models from really really help us in the future because they make data in much easier on and
actually I would really like to reach out invite you to participate in this because we really need trailblazers helping the on this form fuzzy is what can we do with this technology so it's the interpretation communication approach the other thing is technical knowledge you really need to know you across modules that you make something put them together in a new workflow then it's also a certain amount of suffering is needed because sometimes so this page and and health you install patches and talk to the developers and ask nagging quest to develop a list of the interesting thing is is graphics here so we can only do with all this stuff with rest vector operations but it's awkward and the more we use the volumes and time modules for that the more elegant becomes and the more the better we can express ourselves just a quick hands on again I've been playing
with mountains sometimes for while so that talk about this but of course the most mountain tone as Intel's eruption 1980 a lot of ash and gas was blown up the sky the world a lot of stuff came down avalanches and of course the modern and landscape was severely changed the 1 of the question of this the home which went missing in actually tough question I of
that by now this and postcards show depicting the change and the 1 which is to do that is so this is small sometimes utterly wrecked thing here many can that's how much went missing so how to produce that very easy of course across all
but you can also buy these things to come for up to a thousand dollars but if you have a 3 print draw you know a friend a library as a 3 D printer you can make in yourselves why spend money well it's pretty
straightforward the people at used years of providing before and after a determination models I know a trip back to the past this was already showcases cross in 1992 with the predecessor of this for those of you who remember this tool and it's how it's done it's just a little bit of
a map if you like so we divide and it just takes a subtraction of 2 before the before the before after injustice obstructed the difference that's the delta that's little plastic thing there we are good so it's done this
this can be done in Our and and and 2 dimensions or in three-dimensional space so then it
gets printed as 0 yes this thing also glows in the dark that's the URI green stuff and a reality check printing this thing out took 32 hours so this is not like a replicate this actually that that the modern take the technology exists at the moment consumer level it's a slow process them much nicer faster cricket bat cricket process available as well artificial considered so a the situation that have dramatically changed views
on the road ahead now 1 things of course there will be a better use of existing data formats new data formats will hopefully be up to plot by Grosz we've come we'll be able to talk cholera surface correlate interesting topo maps FIL and hopefully eventually the print Meister like my friend and Potsdam however not necessarily be a human person anymore and we can actually put it just through to to a print shop or something like that and the other thing is of course that this metadata thing but the point is we should leave that to the scientists librarians have been pending metadata for 5 thousand years from now how did their best practices there's no needles in this case to reinvent the wheel just talk to us be happy to assist and to keep calm and ask a librarian comes
the In summary again this is just the beginning just got started 3 you print they will have a much cooler 3 D printers in 5 years time again they can already you can only learn and practice of cross from ProSupport will become better over time and again talking from the library if you have any problems but met thank you so
much and you have some minutes for questions OK so please go and you're 100 anything with the ah a segment team a year a scenery a landscape into multiple words and then connecting them together thank you and parts so that you can have a bigger area than that what will that on on the print head of other some of that thank you the question is whether there has has only been any attempt to segment a larger scene and just print segments of that that's of 1 of those things which are on very high on the list next thing like I showed you an image of Olympus Mons the largest volcano in the solar system from planet Mars we wanted to have is like a very large model of that printed in segments so we haven't done it yet but that's definitely 1 of next and over here on cape the
something some of the it so the speak more to the question of archiving 3 D models for a time like the digital digital 3 models what the plans are for manikin OK but at the moment the approaches to develop best practices for metadata but metadata to be to be used and in the field of harm come point clouds i currently several compression techniques under under investigation to determine which of them are actually prefer and makes sense for long-term preservation fictional I would like to refer you to the web page of the home all of the research project we can also talk about later great there was another question in here of the I Blair data model there's just a question about the mechanics on your solved on the and you have to let that cool so I mean how you set that up and when you can just imagine that you know if you don't it's stop it is does it all melt together so you can't take a para a Manhattan on the mechanics of printing and so can disassemble and put it back together I thank you so the question is how to make a guess the crisis how to manufacture some 1 of those things here I picture this is a this was done very straightforward because of the so the bottom left at the bottom right the bottom specimen there it has a flat for flat bottom so it's very easy to predict and stop printing right away putting adding layer on layer on layer and the next layers have world and this 1 and this 1 here this a much more complicated piece because it has also complicated on side so this had to be printed with something like a support structure underneath it it shows also printed 1st correct correcting the printing pros and was removed later on such a print this that was very labor-intensive very time-intensive because I think it took about 2 weeks for the full full thing however that was something that was done last year by now the technology is already maturity of the are of printing men and printing materials which water solution which can be solved the water so the smart so it would do that the next again again I would print the 1st layer print is its 2nd printhead decisions separation layer which will melt the visual be eroded away the water at the next layer and so on so this will dramatically improve printing OK 4 questions so and OK thank you so much
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Metadaten

Formale Metadaten

Titel 3D-printing with GRASS GIS Ð a work in progress in report
Serientitel FOSS4G 2014 Portland
Autor Loewe, Peter
Lizenz CC-Namensnennung 3.0 Deutschland:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/31743
Herausgeber FOSS4G, Open Source Geospatial Foundation (OSGeo)
Erscheinungsjahr 2014
Sprache Englisch
Produzent FOSS4G
Open Source Geospatial Foundation (OSGeo)
Produktionsjahr 2014
Produktionsort Portland, Oregon, United States of America

Inhaltliche Metadaten

Fachgebiet Informatik
Abstract As the amount of scientific data continues to grow, researchers need new tools to help them visualize complex data. Immersive data-visualisations are helpful, yet fail to provide tactile feedback and sensory feedback on spatial orientation, as provided from tangible objects. The production of a tangible representation of a scientific data set is one step in a line of scientific thinking, leading from the physical world into scientific reasoning and back: The process starts with a physical observation, or from a data stream generated by an environmental sensor. This data stream is turned into a geo-referenced data set. This data is turned into a volume representation which is converted into command sequences for the printing device, leading to the creation of a 3D printout via additive manufacturing ("3D-printing"). As a last, but crucial step, this new object has to be documented and linked to the associated metadata, and curated in long term repositories to preserve its scientific meaning and context.This presentation showcases a reference workflow to produce tangible 3D data-prints based on Free and Open Source Software (FOSS), using both GRASS GIS and Paraview. The workflow was successfully validated in various application scenarios using a RapMan printer to create 3D specimens of elevation models, geological underground models, ice penetrating radar soundings for planetology, and space time stacks for Tsunami model quality assessment.
Schlagwörter GRASS GIS
3D-printing
additive manufacturing
science communication
data visualisation
haptic access to data

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