Mapping, GIS and geolocating data in Java @ JAX London

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Joachim Van der Auwera

Introduction to mapping, GIS and geolocation in Java. Focusing on open source Java projects which can help you.

Technology

Mapping, GIS and Geolocating data in Java Using open source software Joachim Van der Auwera / Geosparc nv

Java servers and frameworks ,[object Object]

[object Object],[object Object],[object Object]

Projections and Coordinate Reference Systems ,[object Object],[object Object]

Has geometry, linking to location on earth

Has attributes, e.g. “maximum depth” for a lake ,[object Object]

Polygon, multi- ,[object Object],[object Object],[object Object]

Spherical or ellipsoid approximation ,[object Object],[object Object]

WGS84 : global, used by GPS ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Google Mercator (originally 900913, then 3785, now gone?) ,[object Object],[object Object]

often expressed as Well Known Text (WKT)

SRS, Spatial Reference Code ,[object Object],[object Object],[object Object]

What's hot

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State of GeoServer provides an update on our community and reviews the new and noteworthy features for the Project. The community has a lot to cover in 2.12 and the recently released 2.13. Each release provides exciting new features. This talk covers our work on supporting Java 9 and diverse improvements across GeoServer. Attend this talk for a cheerful update on what is happening with this popular OSGeo project. Whether you are an expert user, a developer, or simply curious what GeoServer can do for you.

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The Geographic Information System (GIS), industry is booming, especially with the continued reliance on online maps and the rise of location-aware mobile devices. GIS tech can be one of the key players in the mobile internet, big data, and the internet of things, and is an essential tool for the next generation of the global IT industry. Yet, the GIS community is not prepared. With all the data available, GIS experts lack an off-the-shelf solutions to manage the growing volume of spatial data. Relational spatial databases (RSDB) were the leader in this field for decades, but RSDBs have failed to innovate to handle massive volumes of data coming in at high velocity. Fortunately, MongoDB a useful tool for this challenge, but needs some tooling to create a connector to the GIS tech ecosystem. In order to bridge the gap, we built a pipeline to comply with the architecture of the Geospatial Data Abstraction Library (GDAL), so that MongoDB can work with most of popular GIS tools such as OpenLayers, Mapserver, GeoServer, QGIS, ArcGIS and others with ease. In this talk, I'll go through this pipeline tool and showcase some examples of how you can use this in your next application.

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New tools are being developed by Czech Living Lab WirelessInfo, which allow users to easily publish their data and metadata as part of a Spatial Data Infrastructure (SDI). The paper describes the design of a Technological Infrastructure on the basis of ISO and OGC Standards and also the implementation of a prototype and first experiences. The solution is designed in distributed system form, which provides the connection to metadata about spatial data and services. This solution tests the principle of catalogue services at both national and international level which could be used in the UN SDI context. A catalogue portal is one of the independent components of GeoHosting complex system for raster and vector spatial data sharing. The catalogue portal provides data source searching on the basis of their metadata records through structure queries. The portal also contains edit functionality for new metadata records creating or editing. The metadata catalogue system corresponds to ISO 19115/19119/19139 standards [1], [2], [3], [4] and provides for cascade searching on the other standardized catalogue systems. The difference is, there exist different other initiatives offering publishing of own content like Google technology or OpenStreet Map, that GeoHosting is based fully on INSPIRE European standards and support establishing of network of distributed servers.

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