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GeoServer
an introduction for beginners
Ing. Alessio Fabiani, GeoSolutions
Ing. Andrea Aime, GeoSolutions
Ing. Simone Gian...
Outline


Who is GeoSolutions?



Quick intro to GeoServer



What’s new in the 2.2.x series



What’s new in the 2.3....
GeoSolutions


Founded in Italy in late 2006



Expertise
•
•

Java, Java Enterprise, C++, Python

•


Image Processing...
GeoServer quick intro
GeoServer


GeoSpatial enterprise gateway






Standards compliant







Java Enterprise
Management and Dissemi...
PostGIS
Oracle
H2
DB2
SQL Server
MySql
Spatialite
GeoCouch

WMS
1.1.1
1.3.0

Vector files

Google

DBMS

ArcSDE
WFS
Server...
Administration GUI

FOSS4G 2013, Nottingham
20th September 2013
RESTful Configuration


Programmatic configuration of layers via REST
calls



Layers and Styles, Service configuration...
WMS


Dissemination of Maps


Fusing raster and vector data seamlessly



Rule/scale driven rendering



WMS 1.1.1 and...
Rendering

FOSS4G 2013, Nottingham
20th September 2013
GeoWebCache Integration
GeoServer





GeoWebCache



Direct calls to GeoServer
rendering engine
Support for layers mod...
KML/KMZ
TEMPORAL SERIES

KML EXTRUDE

KML SUPEROVERLAY

FOSS4G 2013, Nottingham
20th September 2013
WFS







Dissemination and filtering of vector data
WFS 1.0, 1.1 and 2.0 (since 2.2.0)
Transaction and paging avail...
Complex Feature*


Application/community schemas



Complex Features




Attributes as list of features





Attribu...
WCS


Raster data dissemination


Raw raster data useful for analysis, no maps!



Support for TIME and ELEVATION (via ...
WPS


WPS 1.0



Official Extension



Raster and Vector data support





High performance processes (raster/vector ...
What’s new in 2.2.x
Virtual services


Expose different OGC services per workspace



Styles and layer groups per workspace



Have differe...
Referencing news




Support for NTv2 and NADCON grids  high
accuracy datum transformations
Test and inspect re-project...
More Projections

Robinson

Mollweide

Winkel Tripel
Winkel Tripel

Eckert IV
FOSS4G 2013, Nottingham
20th September 2013
Advanced Projection Handling

Management of dateline
Change and
map-wrapping

Cutting un-reprojectable
geometries

FOSS4G ...
Rendering: real world units

<Rule>
<LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre">
<Stroke>
<CssParam...
Impersonation in data access






Use the current
GeoServer user to
access DBMS
contents

WMS/WFS
client

Tighten secu...
WMS: PNG8 with alpha


Support for paletted PNG with alpha transparency



Best of both worlds: compact but good looking...
Improved Raster Reprojection




Raster reprojection  complex
process
Idea:








try to approximate the overall
...
WMS: TIME and ELEVATION
TIME = 20100512T0000000Z
ELEVATION = 0.0

FeatureType Editor

FOSS4G 2013, Nottingham
20th Septemb...
WMS: Rendering Transformations


On-the-fly data transformations



Calling spatial analysis processes from SLD docs


...
Improved GWC integration





FOSS4G 2013, Nottingham
20th September 2013

Custom gridset
definition

Per layer
caching
...
WFS: 2.0 and XSLT




WFS 2.0
 GML 3.2
 Paging (back-ported to other versions)
 Joins (scalar, temporal, spatial) bet...
WPS: asynchronous calls


Asynchronous WPS support for long running
processes
WPS protocol
handler

Client
Execute

WPS e...
Security: Authentication


Pluggable user sources, available out of the box:




Pluggable authentication mechanisms, a...
Image Server*


Turning GeoServer into an Image Server






Serving pure Imagery
No geo-reference need/available/(wou...
Aggregating data store








N layers, remote or local, sharing the same structure

Aggregating store puts them toge...
What’s new in 2.3.x
Database configuration backend








Pluggable configuration backends
In-memory implementation + XML storage (curren...
GWC clustering


Improved clustering for GWC in 1.4.x:






Metastore removed
Disk quota can work off a central DBMS...
CSW 2.0.2







Wow, catalogue services in GeoServer!
Catalog Service for the Web 2.0.2
Pluggable record backend
Plu...
CSW 2.0.2


Current implementation








Demo backend with Dublin Core record support,
passes CITE certifications t...
WCS 2.0


WCS 2.0 implementation with extensions:







Earth Observation profile support







Range subsett...
Layer Groups
Capabilities Tree

Nesting

FOSS4G 2013, Nottingham
20th September 2013
Other Enhancements


WPS Process Selection



WMS Additional Dimensions



More INSPIRE



Monitoring Extension



Ex...
What’s cooking for 2.4.x
(plus wish list  )
WMS EO


Earth Observation profile support




Temporal series
Exposing mosaic structure
EO metadata describing sensor...
Spatiotemporal Raster Management


NetCDF support





Improve existing NetCDF/CF input format, support CF convention ...
Spatiotemporal Raster Management




Add REST support to expose a image mosaic internal structure

Dimensions

Granule...
Importer


Graphical Workflow for preprocessing data



Copy over, optimize, publish and style

FOSS4G 2013, Nottingham
...
Scripting Processing (WPS)

FOSS4G 2013, Nottingham
20th September 2013
More…





QGIS Integration
Vector Data Attribute Remapping
Advanced Authorization Subsystem
Circular Arc Support

FOS...
The End

Questions?
andrea.aime@geo-solutions.it
simone.giannecchini@geo-solutions.it
alessio.fabiani@geo-solutions.it
FOS...
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GeoServer an introduction for beginners

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This presentation will provide an introduction to the GeoServer project and its abilities to publish data with a mix of well-known OGC protocols and other popular protocols and data formats.

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Transcript of "GeoServer an introduction for beginners"

  1. 1. GeoServer an introduction for beginners Ing. Alessio Fabiani, GeoSolutions Ing. Andrea Aime, GeoSolutions Ing. Simone Giannecchini, GeoSolutions FOSS4G 2013, Nottingham 20th September 2013
  2. 2. Outline  Who is GeoSolutions?  Quick intro to GeoServer  What’s new in the 2.2.x series  What’s new in the 2.3.x series  What’s cooking for the 2.4.x series FOSS4G 2013, Nottingham 20th September 2013
  3. 3. GeoSolutions  Founded in Italy in late 2006  Expertise • • Java, Java Enterprise, C++, Python •  Image Processing, GeoSpatial Data Fusion JPEG2000, JPIP, Advanced 2D visualization Supporting/Developing FOSS4G projects   GeoNetwork, GeoBatch, MapStore   GeoTools, GeoServer ImageIO-Ext and more: https://github.com/geosolutions-it Focus on Consultancy  PAs, NGOs, private companies, etc… FOSS4G 2013, Nottingham 20th September 2013
  4. 4. GeoServer quick intro
  5. 5. GeoServer  GeoSpatial enterprise gateway    Standards compliant      Java Enterprise Management and Dissemination of raster and vector data OGC WCS 1.0, 1.1.1 (RI), 2.0 in the pipeline OGC WFS 1.0, 1.1 (RI), 2.0 OGC WMS 1.1.1, 1.3 OGC WPS 1.0.0 Google Earth/Maps support  KML, GeoSearch, etc.. FOSS4G 2013, Nottingham 20th September 2013
  6. 6. PostGIS Oracle H2 DB2 SQL Server MySql Spatialite GeoCouch WMS 1.1.1 1.3.0 Vector files Google DBMS ArcSDE WFS Servers GeoServer Formats and Protocols Shapefile ----------------------------------------------------------------------- WFS 1.0, 1.1, 2.0 Styled maps Raw vector data WPS 1.0.0 WCS 1.0,1.1.1 2.0.1 GeoTIFF WMS ArcGrid GWC GTopo30 (WMTS, Img+world Raster files TMS, Mosaic WMS-C) MrSID JPEG 2000 ECW,Pyramid, Oracle GeoRaster, PostGis Raster FOSS4G 2013, Nottingham 20th September 2013 Raw raster data PNG, GIF JPEG TIFF, GeoTIFF SVG, PDF KML/KMZ Shapefile GML2 GML3 GeoRSS GeoJSON CSV/XLS GeoTIFF ArcGrid GTopo30 Img+World KML superoverlays Google maps tiles OGC tiles OSGEO tiles
  7. 7. Administration GUI FOSS4G 2013, Nottingham 20th September 2013
  8. 8. RESTful Configuration  Programmatic configuration of layers via REST calls   Layers and Styles, Service configurations   Workspaces, Data stores / coverage stores Freemarker templates (incoming) 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 FOSS4G 2013, Nottingham 20th September 2013
  9. 9. WMS  Dissemination of Maps  Fusing raster and vector data seamlessly  Rule/scale driven rendering  WMS 1.1.1 and 1.3 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 FOSS4G 2013, Nottingham 20th September 2013
  10. 10. Rendering FOSS4G 2013, Nottingham 20th September 2013
  11. 11. GeoWebCache Integration GeoServer   GeoWebCache  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 Persistent raster/KML tile cache FOSS4G 2013, Nottingham 20th September 2013
  12. 12. KML/KMZ TEMPORAL SERIES KML EXTRUDE KML SUPEROVERLAY FOSS4G 2013, Nottingham 20th September 2013
  13. 13. 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) FOSS4G 2013, Nottingham 20th September 2013
  14. 14. Complex Feature*  Application/community schemas  Complex Features   Attributes as list of features   Attributes as sub-features Tree-like structure Mixing in a single tree heterogeneous data sources FOSS4G 2013, Nottingham 20th September 2013
  15. 15. WCS  Raster data dissemination  Raw raster data useful for analysis, no maps!  Support for TIME and ELEVATION (via ImageMosaic plugin)  WCS 1.0 and 1.1.1  Output formats    GeoTiff, ArcGrid GDAL based formats under discussion Extensions  ELEVATION as band management FOSS4G 2013, Nottingham 20th September 2013
  16. 16. WPS  WPS 1.0  Official Extension  Raster and Vector data support   High performance processes (raster/vector statistics, raster/vector format conversions and more) Integrated WPS  Direct access to data sources  Automatic publishing of results as new layers  Embedding processes into SLD styles (rendering transformation, since 2.2.0) FOSS4G 2013, Nottingham 20th September 2013
  17. 17. What’s new in 2.2.x
  18. 18. Virtual services  Expose different OGC services per workspace  Styles and layer groups per workspace  Have different administrators per workspace  multi-tenancy FOSS4G 2013, Nottingham 20th September 2013
  19. 19. Referencing news   Support for NTv2 and NADCON grids  high accuracy datum transformations Test and inspect re-projection interactively: FOSS4G 2013, Nottingham 20th September 2013
  20. 20. More Projections Robinson Mollweide Winkel Tripel Winkel Tripel Eckert IV FOSS4G 2013, Nottingham 20th September 2013
  21. 21. Advanced Projection Handling Management of dateline Change and map-wrapping Cutting un-reprojectable geometries FOSS4G 2013, Nottingham 20th September 2013
  22. 22. Rendering: real world units <Rule> <LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre"> <Stroke> <CssParameter name="stroke-width"> <ogc:Literal>5</ogc:Literal> </CssParameter> </Stroke> </LineSymbolizer> </Rule> FOSS4G 2013, Nottingham 20th September 2013
  23. 23. Impersonation in data access    Use the current GeoServer user to access DBMS contents WMS/WFS client Tighten security also at the DBMS level GeoServer GeoServer user: X Connection pool user: impersonating DBMS user X Useful for high security setups DBMS FOSS4G 2013, Nottingham 20th September 2013
  24. 24. WMS: PNG8 with alpha  Support for paletted PNG with alpha transparency  Best of both worlds: compact but good looking  Good quality, yet usable in interactive setups FOSS4G 2013, Nottingham 20th September 2013
  25. 25. Improved Raster Reprojection   Raster reprojection  complex process Idea:     try to approximate the overall transformation with a simpler one, either a single affine transformation or a piecewise composition of them (grid warp) Ability to specify threshold for error acceptance Iterative approach (local optimization) Trade off between speed and precision FOSS4G 2013, Nottingham 20th September 2013
  26. 26. WMS: TIME and ELEVATION TIME = 20100512T0000000Z ELEVATION = 0.0 FeatureType Editor FOSS4G 2013, Nottingham 20th September 2013
  27. 27. 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 FOSS4G 2013, Nottingham 20th September 2013
  28. 28. Improved GWC integration   FOSS4G 2013, Nottingham 20th September 2013 Custom gridset definition Per layer caching configuration
  29. 29. WFS: 2.0 and XSLT   WFS 2.0  GML 3.2  Paging (back-ported to other versions)  Joins (scalar, temporal, spatial) between feature types  Stored queries txt XSLT output Custom xml GML XLST format: 2.X/3.X engine HTML Custom XSL sheet FOSS4G 2013, Nottingham 20th September 2013 KML
  30. 30. WPS: asynchronous calls  Asynchronous WPS support for long running processes WPS protocol handler Client Execute WPS executor Internal submit Update status Status poll Update status Status poll Write results Status? Results FOSS4G 2013, Nottingham 20th September 2013
  31. 31. Security: Authentication  Pluggable user sources, available out of the box:   Pluggable authentication mechanisms, available out of the box:    LDAP, DBMS BASIC/DIGEST HTTP, CAS Possible to integrate with other mechanisms and in-house solutions Available since 2.2.0, before only basic HTTP auth + simple text file for users FOSS4G 2013, Nottingham 20th September 2013
  32. 32. Image Server*  Turning GeoServer into an Image Server    Serving pure Imagery No geo-reference need/available/(would make sense!) Special Coordinate Reference Systems defined  Interoperability with WMS clients  Respecting EPSG conventions    EPSG:404000 See here Improved support for data with bad/missing geo-reference! FOSS4G 2013, Nottingham 20th September 2013
  33. 33. Aggregating data store     N layers, remote or local, sharing the same structure Aggregating store puts them together dynamically, the client will think there is just one layer Parallel data fetching Can be configured to tolerate temporarily unreachable data sources FOSS4G 2013, Nottingham 20th September 2013
  34. 34. What’s new in 2.3.x
  35. 35. Database configuration backend     Pluggable configuration backends In-memory implementation + XML storage (current one) Database based implementation (as a community module) Pluggable, add your own (any takers for a NoSQL elastic implementation?) GeoServer config and catalog In-memory DBMS NoSQL? FOSS4G 2013, Nottingham 20th September 2013
  36. 36. GWC clustering  Improved clustering for GWC in 1.4.x:     Metastore removed Disk quota can work off a central DBMS Distributed locks, avoid concurrent computation of same tile at the same time Active/active clustering of GWC now possible Load balancer GWC1 GWC2 Tile storage Disk quota FOSS4G 2013, Nottingham 20th September 2013
  37. 37. CSW 2.0.2      Wow, catalogue services in GeoServer! Catalog Service for the Web 2.0.2 Pluggable record backend Pluggable record type support Not a replacement for a full-fledged GeoNetwork (not at the moment, at least) CSW protocol handler Dublin core support ebRIM support ISO support Record type plugins GeoServer config backend Simple DC backend Vendor specific bridge Record sources FOSS4G 2013, Nottingham 20th September 2013
  38. 38. CSW 2.0.2  Current implementation     Demo backend with Dublin Core record support, passes CITE certifications tests ISO + Dublin core backend reporting layers in the GeoServer configuration, in development ebRIM (Earth Observation profile) implementation plus proxy to a in-house, vendor specific catalog (proxy front-end model) Currently a community module  will be graduated to extension once the ISO backend over the GeoServer own config is completed FOSS4G 2013, Nottingham 20th September 2013
  39. 39. WCS 2.0  WCS 2.0 implementation with extensions:      Earth Observation profile support      Range subsetting Scaling and interpolation CRS (reprojection) GeoTiff & NetCDF encoding Temporal series Exposing mosaic structure EO metadata describing sensors NetCDF support as both input and output Sponsors   DLR (German spatial agency) EUMETSAT (European operational satellite agency for monitoring weather, climate and the environment) FOSS4G 2013, Nottingham 20th September 2013
  40. 40. Layer Groups Capabilities Tree Nesting FOSS4G 2013, Nottingham 20th September 2013
  41. 41. Other Enhancements  WPS Process Selection  WMS Additional Dimensions  More INSPIRE  Monitoring Extension  Extensive JSONP Support  Security Subsystem Improvements FOSS4G 2013, Nottingham 20th September 2013
  42. 42. What’s cooking for 2.4.x (plus wish list  )
  43. 43. WMS EO  Earth Observation profile support    Temporal series Exposing mosaic structure EO metadata describing sensors FOSS4G 2013, Nottingham 20th September 2013
  44. 44. Spatiotemporal Raster Management  NetCDF support    Improve existing NetCDF/CF input format, support CF convention and make sure the samples provided by DLR/EUMETSAT can be read Expose NetCDF internal data as a set of 2D slices Write new NetCDF/CF output format for GeoServer FOSS4G 2013, Nottingham 20th September 2013
  45. 45. Spatiotemporal Raster Management   Add 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 FOSS4G 2013, Nottingham 20th September 2013
  46. 46. Importer  Graphical Workflow for preprocessing data  Copy over, optimize, publish and style FOSS4G 2013, Nottingham 20th September 2013
  47. 47. Scripting Processing (WPS) FOSS4G 2013, Nottingham 20th September 2013
  48. 48. More…     QGIS Integration Vector Data Attribute Remapping Advanced Authorization Subsystem Circular Arc Support FOSS4G 2013, Nottingham 20th September 2013
  49. 49. The End Questions? andrea.aime@geo-solutions.it simone.giannecchini@geo-solutions.it alessio.fabiani@geo-solutions.it FOSS4G 2013, Nottingham 20th September 2013
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