Advanced Cartographic Map Rendering in GeoServer

Advanced cartographic map rendering in

GeoServer

Ing. Andrea Aime

Ing. Simone Giannecchini GeoSolutions

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 GeoServer, MapStore

GeoNetwork, GeoNode, Ckan

Clients

Public Agencies

Private Companies

http://www.geo-solutions.it

FOSS4G-EU 2015, Como 14th-17th July 2015

Hatches, patterns, dynamic symbols

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Filling with patterns

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Hatches

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Hatches

shape://vertiline

shape://slash

shape://plus shape://times

shape://backslash

shape://horline

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Using TTF fonts as marks

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Using TTF fonts as marks

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Dynamic arrow symbol

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Expressions in external graphic

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Expressions in external graphics

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Wind barbs

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Wind barbs + data

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Dashes

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Dashes

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Labeling

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Vendor options

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Point labels

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Line labels

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Polygon labels

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Label Obstacles

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Support for pre-laid-out labels

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Plates

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Raster styling

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Expressions in ColorMap

Standard ColorMapEntry accepts only static values

Not anymore (GS 2.8.0)

Useful with env function, picking values from the GetMap

FOSS4G-EU 2015, Como 14th-17th July 2015

http://host:8080/geoserver/wms?REQUEST=GetMap&VERSION=1.0.0&...

...&ENV=low:10;medium:100;high:500

Native NODATA support

New in 2.8.0

Java Advanced Imaging does not have a concept of NODATA

Problem when doing interpolations

JAI-EXT all operations we use rewrote to support NODATA and masks natively

FOSS4G-EU 2015, Como 14th-17th July 2015

Hillshading incoming

The only part of SLD 1.0 we have never had support for

May be incoming in time for 2.8.0 in September

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Transformations

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Geometry transformations

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Geometry transformations

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Rendering transformations

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RT: value at single point

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RT: from raster to wind barbs

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Color blending and compositing

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Color blending and compositing

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Alpha compositing examples

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Color blending examples

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Compositing example

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destination-in

Compositing example

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multiply

Z-ordering

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What Z ordering today?

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Extensions in progress

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<VendorOption name=‘’order-by’’>level</VendorOption>

Cross layer z-ordering

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<VendorOption name=‘’order-group’’>linework</VendorOption>

That’s all folks!

Questions? [email protected]

FOSS4G-EU 2015, Como 14th-17th July 2015