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GeoServer beginners gwf_2015

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The following presentation was held by GeoSolutions founder and managing director Simone Giannecchini at GeoSpatial World Forum INSPIRE Conference in Lisbon, 2015.
The workshop will provide a hands on introduction to the basic GeoServer concepts, as well as usage and configuration, with particular attention to the setup of INSPIRE compliant view services with a demonstration set of data in various formats, both raster and vector.

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GeoServer beginners gwf_2015

  1. 1. GeoServer an introduction for beginners Ing. Andrea Aime, GeoSolutions Ing. Simone Giannecchini, GeoSolutions GWF 2015, Lisbon 27th May 2015
  2. 2. GeoSolutions  Founded in Italy in late 2006  Expertise • Image Processing, GeoSpatial Data Fusion • Java, Java Enterprise, C++, Python • JPEG2000, JPIP, Advanced 2D visualization  Supporting/Developing FOSS4G projects  MapStore, GeoServer  GeoNetwork, GeoTools, GeoNode,  ImageIO-Ext and more: https://github.com/geosolutions-it  Focus on Consultancy  PAs, NGOs, private companies, etc… GWF 2015, Lisbon 27th May 2015
  3. 3. GeoSolutions GWF 2015, Lisbon 27th May 2015  Enterprise Support Services  Bug Fixing  Support  Customizations & New Features  5 packages  different types of needs  Professional Training  End-To-End Projects (Integration)  Tell me what you need, I’ll put it together for you  We take our core products and  Bend them, twist them, embed them  Hammer them to make clients happy  FOSS4G Software is core for us  Not simply use but develop and support
  4. 4. Outline  Quick intro to GeoServer  Basic concepts, administration GUI and REST  WMS / WFS / WCS / WPS  Security GWF 2015, Lisbon 27th May 2015
  5. 5. GeoServer  GeoSpatial enterprise gateway  Java Enterprise  Management and Dissemination of raster and vector data  Standards compliant  OGC WCS 1.0, 1.1.1 (RI), 2.0  OGC WFS 1.0, 1.1 (RI), 2.0  OGC WMS 1.1.1, 1.3.0  OGC WPS 1.0.0  OGC CSW 2.0.1 (ebRIM)  Google Earth/Maps support  KML, GeoSearch, etc.. GWF 2015, Lisbon 27th May 2015
  6. 6. FormatsandProtocols GeoServer WFS WMS PostGIS Oracle H2 DB2 SQL Server MySql Spatialite GeoCouch MongoDB Shapefile ---------- ---------- --------- ---------- ---------- ---------- --------- ---------- ---------- ---------- --------- ---------- ArcSDE WFS PNG, GIF JPEG TIFF, GeoTIFF SVG, PDF KML/KMZ Shapefile GML2 GML3 GeoRSS GeoJSON CSV/XLS Raw vector data Servers Styled maps DBMS Vector files WCSGeoTIFF WMS ArcGrid GTopo30 Img+world Mosaic MrSID JPEG 2000 ECW,Pyramid, Oracle GeoRaster, PostGis Raster, NetCDF Raster files Raw raster data GeoTIFF ArcGrid GTopo30 Img+World WMTS, TMS, WMS-C KML superoverlays Google maps tiles OGC tiles OSGEO tiles Google WPS CSW GWF 2015, Lisbon 27th May 2015
  7. 7. Administering GeoServer
  8. 8.  Workspaces: organizational structure/folder/ virtual services  Stores: connections to data sources  Layers: the data and its configuration  Styles: how to draw it  LayerGroups: ready to use maps  Processes  Services: per service config details  Security Key Concepts GWF 2015, Lisbon 27th May 2015
  9. 9. Virtual Services  Expose different OGC services per workspace  Styles and layer groups per workspace  Have different administrators per workspace  multi-tenancy GWF 2015, Lisbon 27th May 2015
  10. 10. Administration GUI GWF 2015, Lisbon 27th May 2015
  11. 11. Administration GUI GWF 2015, Lisbon 27th May 2015
  12. 12. Administration GUI GWF 2015, Lisbon 27th May 2015
  13. 13. Administration GUI GWF 2015, Lisbon 27th May 2015
  14. 14. Administration GUI GWF 2015, Lisbon 27th May 2015
  15. 15. Administration GUI GWF 2015, Lisbon 27th May 2015
  16. 16. RESTful Configuration  Programmatic configuration of layers via REST calls  Workspaces, Data stores / coverage stores  Layers and Styles, Service configurations  Freemarker templates  Exposing internal configuration to remote clients  Ajax - JavaScript friendly  Various client libraries available in different languages (Java, Python, Ruby, …).  Example, geoserver-manager: https://github.com/geosolutions-it/geoserver-manager GWF 2015, Lisbon 27th May 2015
  17. 17. RESTful Configuration example  Automate management of layers and their configuration Get and process data Publish new layers via REST config GWF 2015, Lisbon 27th May 2015
  18. 18. WMS  Dissemination of Maps  Fusing raster and vector data seamlessly  Rule/scale driven rendering  WMS 1.1.1 and 1.3 support  Time/elevation/custom dimension support  SLD  Basic support for SLD 1.1 and SE 1.1  Full support for SLD 1.0  CSS extension for compact styling  Many rendering extensions available GWF 2015, Lisbon 27th May 2015
  19. 19. Many Rendering Options GWF 2015, Lisbon 27th May 2015
  20. 20. Some examples from IGN GWF 2015, Lisbon 27th May 2015
  21. 21. Many Supported Projections Dateline crossing management GWF 2015, Lisbon 27th May 2015
  22. 22. WMS: TIME and ELEVATION TIME = 20100512T0000000Z ELEVATION = 0.0 FeatureType Editor GWF 2015, Lisbon 27th May 2015
  23. 23. WMS: Rendering Transformations  On-the-fly data transformations  Calling spatial analysis processes from SLD docs  Optimized for performance  Examples: on the fly contour lines, heat maps, point clustering, point interpolation, GCP based image rectification GWF 2015, Lisbon 27th May 2015
  24. 24. GeoWebCache Integration GeoServer GeoWebCache Persistent raster/KML tile cache  Direct calls to GeoServer rendering engine  Support for layers modified through WFS-T  Support for various tile protocols  GMap, Gearth  OpenLayers, VEarth, Bing  Speed-up factor 10/100  Disk quota support GWF 2015, Lisbon 27th May 2015
  25. 25. KML/KMZ TEMPORAL SERIES KML EXTRUDE KML SUPEROVERLAY GWF 2015, Lisbon 27th May 2015
  26. 26. Publishing Vector Data
  27. 27. WFS  Dissemination and filtering of vector data  WFS 1.0, 1.1 and 2.0 (since 2.2.0)  Transaction and paging available in all versions  Simplified filtering via CQL  Formats:  GML 2, 3.1 and 3.2  CSV, Excel spreadsheet, GeoRSS, GeoJSON  Shapefile (zipped)  Any other format supported by ogr2ogr (configurable) GWF 2015, Lisbon 27th May 2015
  28. 28. Rich Filtering Support  Full standard filter support  Scalar (<, <=, >, >=, =, !=, like)  Temporal  Spatial (intersections, touch, dwithin, dbeyond, …)  Filters directly translated into native data source filtering (e.g., SQL for spatial databases, OGC Filter for WFS cascading, SDE filters, ….)  Rich set of filter functions for advanced filtering (do math and string manipuation in your filters): http://docs.geoserver.org/stable/en/user/filter/function_refe rence.html GWF 2015, Lisbon 27th May 2015
  29. 29. More data access options  Paging (native in WFS 2.0, back-ported to other versions as a vendor extension)  Joins (scalar, temporal, spatial) between feature types (WFS 2.0)  Stored queries (WFS 2.0)  Reprojection  Various built-in output formats (GML2/3.1/3.2, shapefile, geojson, csv, excel)  More can be added via ogr2ogr or by programming GWF 2015, Lisbon 27th May 2015
  30. 30. WFS-Transactional  Modify your data from your remote client (desktop, web or mobile) WFS-T WMS Edit with desktop client and commit changes All protocols will Immediately see the updates GWF 2015, Lisbon 27th May 2015
  31. 31. Complex Features Support  Application/community schemas  Complex Features  Attributes as sub- features  Attributes as list of features  Tree-like structure  Mixing in a single tree heterogeneous data sources  Optimizations if everything is in the same DBMS GWF 2015, Lisbon 27th May 2015
  32. 32. Complex Features Support – The Good GWF 2015, Lisbon 27th May 2015  Official GeoServer extension  Complex Features  Multi valued attributes  Collection of related objects in one XML  Nesting of features (also Complex Features)  Required by many Inspire schemas • Mapping of SimpleFeatures  to build Complex Features, that are compliant to a given XSD  Transformations through CQL  Feature linking
  33. 33. Complex Features support GWF 2015, Lisbon 27th May 2015  Difficult to configure  no UI  Manually create XML configuration files  Reload Catalog for any change (trial and error)  Need for a graphical mapping tool  Performance  Getting good performance can be difficult  Data needs to be preprocessed (denormalized)  Optimized join on JDBC based sources can help The Bad The Ugly
  34. 34. Complex Features – HALE at rescue GWF 2015, Lisbon 27th May 2015  Using HALE as a GUI editor for app-schema config  No need to create a new GUI  Seamless integration of HALE with GeoServer  Implemented as a new type of Alignment Writer  Needs to support most common HALE transformations and translate them to app-schema mappings • Tough work • Will be done in steps • Most common transformation firsts • Hopefully, no need to manually edit the final result
  35. 35. Complex Features – HALE at rescue GWF 2015, Lisbon 27th May 2015  In the process…  Already Funded  Improvements and bugfixes to HALE  Improvements and bugfixes to GeoServer app-schema  New schema/data formats for HALE  Spatialite  New type of transformations for HALE (e.g. ReprojectGeometry)  Improvements to the app-schema mapping engine to get a better integration  Bonus Track  Funding Appreciated  Integrate HALE ETL Engine in GeoServer  Batch exports (Predefined dataset)  Periodic batch  Preprocessing for efficient publishing
  36. 36. Publishing Raster Data
  37. 37. WCS  Raster data dissemination  Raw raster data useful for analysis, no maps!  Support for TIME and ELEVATION (via ImageMosaic plugin)  WCS 1.0, 1.1.1 and 2.0  Output formats  GeoTiff, ArcGrid  NetCDF  Extensions  ELEVATION as band management GWF 2015, Lisbon 27th May 2015
  38. 38. WCS features  Everything needed to support the WCS 2.0 Earth Observation profile:  Trimming (spatially , temporally, and on custom dimensions too as a vendor extension)  Band subsetting  Reprojection  GeoTiff output control (tiling, compression, …)  Description of NetCDF/mosaics as EO datasets (list of all the internal slices) GWF 2015, Lisbon 27th May 2015
  39. 39. N-dimensional mosaic/NetCDF support GWF 2015, Lisbon 27th May 2015
  40. 40. Spatiotemporal Raster Management  REST support to expose a image mosaic internal structure  Dimensions  Granules  Dimensions: list, edit, create, remove  /workspaces/<ws>/coveragestores/<cs>/coverages/<mosaic>/dimensions  /workspaces/<ws>/coveragestores/<cs>/coverages/<mosaic>/dimensions/<dimension>[.format]  TODO paging and query of dimension domain  Granules: list, edit, create, remove  /workspaces/<ws>/coveragestores/<cs>/coverages/<mosaic>/index  /workspaces/<ws>/coveragestores/<cs>/coverages/<mosaic>/index/pageN  /workspaces/<ws>/coveragestores/<cs>/coverages/<mosaic>/index/pageN/granuleM GWF 2015, Lisbon 27th May 2015
  41. 41. Analyzing & Processing data
  42. 42. WPS  WPS 1.0  Official Extension  Raster and Vector data support  Many built-in processer (almost 100):  Vector and geometric analysis  Raster based  Conversions processes (raster  vector)  Tight integration with local data and map rendering GWF 2015, Lisbon 27th May 2015
  43. 43. An example  Buffer a L shaped geometry with distance “2”  Get the result back as GML GWF 2015, Lisbon 27th May 2015
  44. 44. A chaining example GWF 2015, Lisbon 27th May 2015
  45. 45. Synchronous vs asynchronous WPS client WPS Launch process Send back results Simple Suitable for fast executions Synchronous WPS client WPS Launch process Status URL Check progress 50% Check progress 100% Results inline Link to results More complex Suitable for longer computations Asynchronous GWF 2015, Lisbon 27th May 2015
  46. 46. Tight integration WPS Remote WCS Remote WFS HTTP server WPS client All GeoServer Layers WMS clientWMS GeoServer UI GWF 2015, Lisbon 27th May 2015
  47. 47. Writing processes Python Groovy JavaScript Ruby JSR-223 http://geoscript.org GWF 2015, Lisbon 27th May 2015
  48. 48. Securing Data
  49. 49. Security: Authentication  Pluggable authentication mechanisms GWF 2015, Lisbon 27th May 2015
  50. 50. Authentication mechanism mix per URL  Different access paths need different auth mechanisms (GUI vs REST vs OGC service): GWF 2015, Lisbon 27th May 2015
  51. 51. Basic data access security  Simple built-in role and layer based data access: GWF 2015, Lisbon 27th May 2015
  52. 52. Basic service access security  Simple built-in role and service based data access: GWF 2015, Lisbon 27th May 2015
  53. 53. Advanced security via external tools https://github.com/geoserver/geofence GWF 2015, Lisbon 27th May 2015
  54. 54. The End Questions? simone.giannecchini@geo-solutions.it GWF 2015, Lisbon 27th May 2015

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