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GeoTools, GeoServer, GeoGit: A Case Study of Use in Utility Field Work

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and think it's about 10 o'clock so to the show um my name is Peter Hansen & I work for the geographical information center at California State University Chico and the presentation called you tools you server geocache a case study of using utility field work and it was called you get what's called you gig uh Qasim differences of new name but the GAC we have kind of a dual mission and to provide it's both academic service-oriented and we have provided opportunities for students at at Chico State to um and work in a in a GIS Professional office and experience that way and and we also provide GIS services to a variety of state agencies um and data development services as well as a folks in our local region so or some citizens palities and 1 of those clients that we work with is
the you can a mosquito and Vector Control District for those of you who are familiar with that and the duties of mosquito and vector control there their intention is to kind of maintain and and suppress mosquitoes another kind of vector nuisances in various ways and which are not incredibly familiar with because it's a whole different you know industry and science but the point here is that and they have a field crews go out in the collect data the end they need they needed a a way to to collect data and you did data and edit that data have more in a better fashion and intended there what they were doing before which was something that I'm sure that as yes people you've all come across him where they're doing it in a paper setting as so so additionally that that data that they collect it needed to be a version of all the needed to have a history as so when they went to you know source point of in a big pool mosquitoes they wanted to see what was going on there and the in the years prior and so is important that they could they could see back to and it would have been done before what what the hit the history of of that site was and so there we had our
initial application that we built was was was on Israel and and and and it worked in it and it works in the they use it up but it obviously came at a cost and in that that costs and made it difficult to have no bring this sort of program to other districts in in in the industry really so of will that all you will let had always handy in in and worked out it is you know comes at a cost so we had no intention to to to
find in an alternate solution that that provide the same functionality of of the product that we hadn't initially built for them so we climbed a ladder to the sky and to pay we looked at open source
options this is kind of preaching the choir but the obviously there's a lower cost of entry have for open source and there is an initial in no time and therefore of money uh commitment to to to find stuff out and discovery process but we knew that that the tools that open source provided and were commensurate and in some ways I could exceed what with the provided for us uh so the the there were
additional benefits that were for the men of for shop since we're using the and that is really RJS mobile SDK we're already extending that with some custom programming so we're already making that that time commitment to kind of creating a custom deal for clients and allowed us to uh to to have a tool now that we could and bring to other places without that cost and in more of a the open source since it allowed us to to be involved in the community to explore a 2 to share findings were to to get involved come places like this in here people to say uh and you know present our findings
the so the proposed a stack that we went with uh was PostgreSQL was GS extension well with a Jew server and tools application on top of that and using GO gig for kind of that that the version and versioning and the history and since we already had that existing application that basically pulled out that data in shape files uh dumped it into the database are connected to GeoServer undue server allowed us to feed that kind of based data which acted as another base map for for the Jew tools application of this there's 3 projects are all very mature very stable and I don't think I need to go into the ton of detail on how that you know those 3 components came up and and definitely on the due to a slump this I was in the java developer that did that so um that Philip uh you know he he there's there's a lot of documentation um on on tools development so what we what we created was was an application that could read all the same data that were seen before and they could query it they could they could manipulate it um zoom-in zoom-out pan uh custom forms of all the all the things that they were able to do before I so where were at is
is correct there we are the application that that that's kind of doing that it were stuck on and versioning part of the that has proved to be and desperately more to Foucault than we anticipated so when we wrote the Savchuk several months ago sigh get will will have the version that done by then but it's it's it's still kind of a thorn in the side so something's
worth in some things we did not work so it in in a in kind of typical open source fashion you go back and look at at 1 of the other tools are out there so yeah the database loading that works the do not data that works the application like can mention can do all those things I would have went well I've seen near
impossible days even is this is questioning um that use of geologic and the weather so in this particular instance if it is providing almost too much complexity for the application that we needed for i so is in an interim even before you know we got this conference here we were kind of doing this bastard version of of various estates of of shapefile kind of it that are quiet was not a complex enough to use case to a really needed to go into this real deep and version editing and you know they'd there's only 15 or so guys in the field they were never overlap in some areas so uh that the check-in check-out process was not as as complex as needed to be but that's always going to be the case for and for other other other utility agencies or a the or the like so I've seen now uh several users that talks have gone to the past couple days of people using the get her bio pages with the judges on support and that seems like a real a real viable options and then and there may be a lack of understanding on my part about that wide that you a platform needs to exist when they get platform is kind of doing the same thing but kind of all on its own so on if anybody has that knowledge and I'd I'd love to talk talk to goes about it but 3rd given that that this kind of a newer solution is in a we have really worked with that I have an idea of how it's going to work in my head and all you know work on that when I get back to the office and but if you guys are looking back on videos check out landed reads a discussion and is it got worse Atlanta Regional Commission and they were doing using this for for versioning and and kind of In a way kind of a sourcing of of data editing for I roads in the Atlanta region so that's a real complex data set a a lot of features a lot of tributes and and so allowed for for people that to to pull and push data um en in manipulated and let it be reconciled by another administrators so but in this case will where we would use this is probably uh getting that you on that you on down the question into Geo tools manipulating their the pollution of back up for to be reconciled with the kind of the masters the database so there's
a future work to be done on the AP obviously and uh 1 of those things is to to incorporate that technique and then see how goes and report back to community and um uh what we found out I would also like to and proof that the U I and cell these and anomie folks here of of worked with a with cell these but they're kind of slog and they're they're they're they're a bit difficult to work with uh so improving the cartography is something that's that's very important for for that for the field grew up in you can incorporate a GPS non belong to that to that field laptops at the using so they can you know he that utilize that when they're out there in the field rather than having to pick a point on the map and then of course we need to test and debug and test and debug and get that feedback and and really flesh out that the product for them for s is a
shop and in been involved in the open source community you know we have a responsibility to to become more involved and and I've been a candid dabbling in in various facets of of open source GIS for for several years and a coming to this conference you mean you see a lot of the names you recognize but then there's a whole host of other people that are are doing amazing things so and they're they're putting things out there so we have a we have a we have a need to to go and discover more and there's a ton of stuff on Twitter and the town of blogs and obviously a lot of stuff has been chair I get have a so I have met also a lot of people that are not really that there really Danube's in this in this can open source yes so at the there's a ton of stuff out there so go and go and find it go and look at it of and then contribute more you know put put the stuff out there that that that were finding uh you never doesn't work I mean so Geoghegan work like we wanted to maybe this can help here some of the developers to and streamline their efforts in and getting more folks like us to be able to use it and so I would do have to mention that that what would what yeah held us back a feel like was the integration of GeoServer server of the documentation on that it was not as much as as as we needed so um and then a thing that I've seen stressed on a lot of this this week is this the need for additional collaboration and locally and on the web so I getting involved with them the with folks in our community that are that are not just yes people but in different industries that have interest in in spatial and I can't really maximizing everybody's uh efforts and interests into something that's the can work for everybody so yeah that's a that's what would have got so vision questions without a taken the and in the hello I was talking to somebody regarding the use of triggers has a way to provide versions support for multiple years if you looked at at all to cheap notice for for this case the the and the lack of overlap dis it a didn't we don't need that level of complexity but look at the the 1 improvements you want to make was around SLT you some kind of the that the difficulty in working with them the out of any ideas or plans as to how to prove that of the well yeah that's a better editor and that the composer that was OpenGeo Suite was was nice um I believe there's a q q just pluck plug uh 1 of the most successful ones I was able to use was um was in you dig actually export out the SLT RF further of XML concreteness LD but yeah that there was they're working like it a lot of stuff this was case sensitive and you just throw errors and you tools and it was just trial and error if you just look at the that the log in and see who it was what was making a break in and go back and fix it but there was a company that made lose a German company you could make your SL these an arc and spent a amount and that worked kind of but when she got into any sort of a Rick real deep symbology like in a thematic stuff it would just that the dust so that that there's a lot of stuff happening you with the with CSS know cartography of CSS and so I feel like that's where the where were a lot of effort is that so I am curious what will happen with the cell these in their use in because it didn't I think there's 2 widely used so have had a shot obs just consonant but that there is a CSS poured into just over a year and a few books about but we we we use that unlike cypher thematic cast stuff that's why right on some on and and those generative solely alliance leads but I'm so with the flea recommend him that was a called on it's just whatever CSS pleases gives voters rather than it is to install the final nonsense CIA but and then just 1 other thing about using get hot you know what you OK go I'm not an expert on problem a kind impression that the get hot stuff is for relatively small a false you know I mean yes it is but might be a few thousand records of something we we deal with much larger datasets nothing regulators might might be I mean to work with with logic yeah that's that's all there is something that that um that wasn't addressed fully um in either of those talks that I'd seen actually I'm it's it it will work for the for the smaller stuff I think for the larger ones they were we have kind of breaking them down into and it can a more regional deals but I think that's a that's kind of a limitation for for judicial inuit kind of got its its its slim but it's still got a pretty decent over itself but for for simpler cases yeah that they think it's just like can Vladimir's talk about simple fine enough you don't need to go with I'm hesitant to call a blow but um sometimes you don't need the solution does everything you need the 1 that does what you're working on so it of the by thank you
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Metadaten

Formale Metadaten

Titel GeoTools, GeoServer, GeoGit: A Case Study of Use in Utility Field Work
Serientitel FOSS4G 2014 Portland
Autor Hansen, 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 10.5446/31737
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 After creating a custom application featuring ArcSDE and the ESRI Mobile SDK for use by the field crew from a local Mosquito and Vector Abatement District, we sought an alternative to the high overhead from the proprietary software. By utilizing GeoTools, GeoServer, and GeoGit, we were able to develop a full-fledged application maintaining the same functionality and usability of the original application, without the high cost of entry.The GeoTools application, "Mosquito," and GeoServer, were placed on each of the field laptops of the twenty-member crew, serving both the application and cached base layers to allow for offline data connection. A USB Bluetooth GPS dongle was used to allow workers to locate themselves within the application. GeoGit was utilized to allow the disparate field workers to merge and synchronize data to the master database at the end of their shift.
Schlagwörter GeoGit
GeoTools
GeoServer
ArcSDE
Offline editing

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