Advanced Cartographic Map Rendering In GeoServer

•

3 likes•4,062 views

Various software can style maps and generate a proper SLD document for OGC-compliant WMS. However the styling allowed by the graphical tools is often limited and not adequate for good cartographic output. This presentation will provide hints, examples and enough information to master SLD in order to create beautiful maps with GeoServer.

Technology Entertainment & Humor

Advanced cartographic map rendering in
GeoServer

Ing. Andrea Aime, GeoSolutions
Ing. Alessio Fabiani, GeoSolutions

FOSS4G 2013, Nottingham
17th-22th September 2013

Overview


Who we are



Example map



Raster styling



Scale dependent rules



Hatches, patterns and dashes



Point Symbology



Labeling



Transformations



Cross layer filtering
FOSS4G 2013, Nottingham
17th-22th September 2013

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






GeoTools, GeoServer
GeoBatch, GeoNetwork

Clients






Public Agencies
Private Companies

http://www.geo-solutions.it
FOSS4G 2013, Nottingham
17th-22th September 2013

Introduction

FOSS4G 2013, Nottingham
17th-22th September 2013

SLD vs CSS


Styled Layer Descriptor



XML based, verbose, hard to hand edit





OGC standard
Only showing relevant bits of the SLD

Cascading Style Sheets


CSS with extensions for map rendering



Simple, Compact, designed for human beings





Not a standard (several incompatible variants for
mapping)
Showing the full style, it’s that short
FOSS4G 2013, Nottingham
17th-22th September 2013

Example map

FOSS4G 2013, Nottingham
17th-22th September 2013

Raster styling

FOSS4G 2013, Nottingham
17th-22th September 2013

A DEM and a color map


SRTM from USGS



Standard color map



Just avoid the nodata values
with opacity=0

FOSS4G 2013, Nottingham
17th-22th September 2013

A DEM and a color map


Same as before, in CSS



Solid intervals

FOSS4G 2013, Nottingham
17th-22th September 2013

Scale dependent rules

FOSS4G 2013, Nottingham
17th-22th September 2013

Scale dependent rules


Too often forgotten or little used, yet very important:








Hide layers when too zoomed in (raster/vector
example)
Progressively show details
Add more expensive rendering when there are less
features

Key to any high performance / good looking map

FOSS4G 2013, Nottingham
17th-22th September 2013

Example

FOSS4G 2013, Nottingham
17th-22th September 2013

Hide as you zoom in




Add a MinScaleDenominator to the rule
This will make the layer disappear at 1:75000
(towards 1:1)

FOSS4G 2013, Nottingham
17th-22th September 2013

Alternative rendering




Simple rendering at low scale (up to 1:2000)
More complex rendering when zoomed in (1:1999
and above)

FOSS4G 2013, Nottingham
17th-22th September 2013

Alternative rendering

FOSS4G 2013, Nottingham
17th-22th September 2013

Alternative rendering, CSS way

FOSS4G 2013, Nottingham
17th-22th September 2013

Hatches, patterns, dashes and plates

FOSS4G 2013, Nottingham
17th-22th September 2013

Filling with patterns

FOSS4G 2013, Nottingham
17th-22th September 2013

Filling with TTF fonts

FOSS4G 2013, Nottingham
17th-22th September 2013

Hatches

FOSS4G 2013, Nottingham
17th-22th September 2013

Hatches

vertiline

horline

slash

backslash

plus

times

FOSS4G 2013, Nottingham
17th-22th September 2013

Dashes

FOSS4G 2013, Nottingham
17th-22th September 2013

Plates

FOSS4G 2013, Nottingham
17th-22th September 2013

Plates CSS way

FOSS4G 2013, Nottingham
17th-22th September 2013

Point Symbology

FOSS4G 2013, Nottingham
17th-22th September 2013

Point symbols

• 600 loc for 6
different points types
• Painful…
FOSS4G 2013, Nottingham
17th-22th September 2013

Point symbols

…

• 70 lines total
• Power of cascading
FOSS4G 2013, Nottingham
17th-22th September 2013

Prepare data








alter table pointlm add column image varchar;
update pointlm set image = 'shop_supermarket.p.16.png' where MTFCC =
'C3081' and (FULLNAME like '%Shopping%' or FULLNAME like '%Mall%');
update pointlm set image = 'peak.png' where MTFCC = 'C3022'
update pointlm set image = 'amenity_prison.p.20.png' where MTFCC =
'K1236';



update pointlm set image = 'museum.p.16.png' where MTFCC = 'K2165';



update pointlm set image = 'airport.p.16.png' where MTFCC = 'K2451';



update pointlm set image = 'school.png' where MTFCC = 'K2543';





update pointlm set image = 'christian3.p.14.png' where MTFCC =
'K2582';
update pointlm set image = 'gate2.png' where MTFCC = 'K3066';

FOSS4G 2013, Nottingham
17th-22th September 2013

Dynamic symbolizers

FOSS4G 2013, Nottingham
17th-22th September 2013

Dynamic symbolizers CSS way
• Down to 15 lines

FOSS4G 2013, Nottingham
17th-22th September 2013

Labeling

FOSS4G 2013, Nottingham
17th-22th September 2013

Line labels

FOSS4G 2013, Nottingham
17th-22th September 2013

Line labels (and more) CSS way

FOSS4G 2013, Nottingham
17th-22th September 2013

Point labels

FOSS4G 2013, Nottingham
17th-22th September 2013

Polygon labels

FOSS4G 2013, Nottingham
17th-22th September 2013

Label Obstacles

FOSS4G 2013, Nottingham
17th-22th September 2013

Transformations

FOSS4G 2013, Nottingham
17th-22th September 2013

Geometry transformations

FOSS4G 2013, Nottingham
17th-22th September 2013

Geometry transformations CSS way

FOSS4G 2013, Nottingham
17th-22th September 2013

Rendering transformations

• No CSS support yet
FOSS4G 2013, Nottingham
17th-22th September 2013

Rendering transformations

FOSS4G 2013, Nottingham
17th-22th September 2013

Get it all


In a few days you will be able to find:






Full data, styles and configuration, ready to use

Get the slides

Be on the lookout:


http://geo-solutions.blogspot.com/

FOSS4G 2013, Nottingham
17th-22th September 2013

The End

Questions?
andrea.aime@geo-solutions.it
simone.giannecchini@geo-solutions.it
FOSS4G 2013, Nottingham
17th-22th September 2013

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Various software can style maps and generate a proper SLD document for OGC compliant WMS like GeoServer to use. However, in most occasions, the styling allowed by the graphical tools is pretty limited and not good enough to achieve good looking, readable and efficient cartographic output. For those that like to write their own styles CSS also represents a nice alternatives thanks to its compactness and expressiveness. Several topics will be covered, providing examples in both SLD and CSS for each, including: mastering multi-scale styling, using GeoServer extensions to build common hatch patterns, line styling beyond the basics, such as cased lines, controlling symbols along a line and the way they repeat, leveraging TTF symbol fonts and SVGs to generate good looking point thematic maps, using the full power of GeoServer label lay-outing tools to build pleasant, informative maps on both point, polygon and line layers, including adding road plates around labels, leverage the labeling subsystem conflict resolution engine to avoid overlaps in stand alone point symbology, blending charts into a map, dynamically transform data during rendering to get more explicative maps without the need to pre-process a large amount of views. The presentation aims to provide the attendees with enough information to master SLD/CSS documents and most of GeoServer extensions to generate appealing, informative, readable maps that can be quickly rendered on screen.

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Abhishek Deb(1), Mr Abdul Kalam(2) M. Des (UX) , School of Design, DIT University , Dehradun. This paper explores the future potential of AI-enabled smartphone processors, aiming to investigate the advancements, capabilities, and implications of integrating artificial intelligence (AI) into smartphone technology. The research study goals consist of evaluating the development of AI in mobile phone processors, analyzing the existing state as well as abilities of AI-enabled cpus determining future patterns as well as chances together with reviewing obstacles as well as factors to consider for more growth.

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As privacy and data protection regulations evolve rapidly, organizations operating in multiple jurisdictions face mounting challenges to ensure compliance and safeguard customer data. With state-specific privacy laws coming up in multiple states this year, it is essential to understand what their unique data protection regulations will require clearly. How will data privacy evolve in the US in 2024? How to stay compliant? Our panellists will guide you through the intricacies of these states' specific data privacy laws, clarifying complex legal frameworks and compliance requirements. This webinar will review: - The essential aspects of each state's privacy landscape and the latest updates - Common compliance challenges faced by organizations operating in multiple states and best practices to achieve regulatory adherence - Valuable insights into potential changes to existing regulations and prepare your organization for the evolving landscape

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In this session, we will delve into strategic approaches for optimizing knowledge management within Microsoft 365, amidst the evolving landscape of Copilot. From leveraging automatic metadata classification and permission governance with SharePoint Premium, to unlocking Viva Engage for the cultivation of knowledge and communities, you will gain actionable insights to bolster your organization's knowledge-sharing initiatives. In this session, we will also explore how to facilitate solutions to enable your employees to find answers and expertise within Microsoft 365. You will leave equipped with practical techniques and a deeper understanding of how there is more to effective knowledge management than just enabling Copilot, but building actual solutions to prepare the knowledge that Copilot and your employees can use.

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Advanced Cartographic Map Rendering In GeoServer

1. Advanced cartographic map rendering in GeoServer Ing. Andrea Aime, GeoSolutions Ing. Alessio Fabiani, GeoSolutions FOSS4G 2013, Nottingham 17th-22th September 2013

2. Overview  Who we are  Example map  Raster styling  Scale dependent rules  Hatches, patterns and dashes  Point Symbology  Labeling  Transformations  Cross layer filtering FOSS4G 2013, Nottingham 17th-22th September 2013

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    GeoTools, GeoServer GeoBatch, GeoNetwork Clients    Public Agencies Private Companies http://www.geo-solutions.it FOSS4G 2013, Nottingham 17th-22th September 2013

4. Introduction FOSS4G 2013, Nottingham 17th-22th September 2013

5. SLD vs CSS  Styled Layer Descriptor   XML based, verbose, hard to hand edit   OGC standard Only showing relevant bits of the SLD Cascading Style Sheets  CSS with extensions for map rendering  Simple, Compact, designed for human beings   Not a standard (several incompatible variants for mapping) Showing the full style, it’s that short FOSS4G 2013, Nottingham 17th-22th September 2013

6. Example map FOSS4G 2013, Nottingham 17th-22th September 2013

7. Example map FOSS4G 2013, Nottingham 17th-22th September 2013

8. Example map FOSS4G 2013, Nottingham 17th-22th September 2013

9. Example map FOSS4G 2013, Nottingham 17th-22th September 2013

10. Example map FOSS4G 2013, Nottingham 17th-22th September 2013

11. Raster styling FOSS4G 2013, Nottingham 17th-22th September 2013

12. A DEM and a color map  SRTM from USGS  Standard color map  Just avoid the nodata values with opacity=0 FOSS4G 2013, Nottingham 17th-22th September 2013

13. A DEM and a color map  Same as before, in CSS  Solid intervals FOSS4G 2013, Nottingham 17th-22th September 2013

14. Scale dependent rules FOSS4G 2013, Nottingham 17th-22th September 2013

15. Scale dependent rules  Too often forgotten or little used, yet very important:     Hide layers when too zoomed in (raster/vector example) Progressively show details Add more expensive rendering when there are less features Key to any high performance / good looking map FOSS4G 2013, Nottingham 17th-22th September 2013

16. Example FOSS4G 2013, Nottingham 17th-22th September 2013

17. Hide as you zoom in   Add a MinScaleDenominator to the rule This will make the layer disappear at 1:75000 (towards 1:1) FOSS4G 2013, Nottingham 17th-22th September 2013

18. Alternative rendering   Simple rendering at low scale (up to 1:2000) More complex rendering when zoomed in (1:1999 and above) FOSS4G 2013, Nottingham 17th-22th September 2013

19. Alternative rendering FOSS4G 2013, Nottingham 17th-22th September 2013

20. Alternative rendering, CSS way FOSS4G 2013, Nottingham 17th-22th September 2013

21. Hatches, patterns, dashes and plates FOSS4G 2013, Nottingham 17th-22th September 2013

22. Filling with patterns FOSS4G 2013, Nottingham 17th-22th September 2013

23. Filling with TTF fonts FOSS4G 2013, Nottingham 17th-22th September 2013

24. Hatches FOSS4G 2013, Nottingham 17th-22th September 2013

25. Hatches vertiline horline slash backslash plus times FOSS4G 2013, Nottingham 17th-22th September 2013

26. Dashes FOSS4G 2013, Nottingham 17th-22th September 2013

27. Dashes FOSS4G 2013, Nottingham 17th-22th September 2013

28. Plates FOSS4G 2013, Nottingham 17th-22th September 2013

29. Plates CSS way FOSS4G 2013, Nottingham 17th-22th September 2013

30. Point Symbology FOSS4G 2013, Nottingham 17th-22th September 2013

31. Point symbols • 600 loc for 6 different points types • Painful… FOSS4G 2013, Nottingham 17th-22th September 2013

32. Point symbols … • 70 lines total • Power of cascading FOSS4G 2013, Nottingham 17th-22th September 2013

33. Prepare data     alter table pointlm add column image varchar; update pointlm set image = 'shop_supermarket.p.16.png' where MTFCC = 'C3081' and (FULLNAME like '%Shopping%' or FULLNAME like '%Mall%'); update pointlm set image = 'peak.png' where MTFCC = 'C3022' update pointlm set image = 'amenity_prison.p.20.png' where MTFCC = 'K1236';  update pointlm set image = 'museum.p.16.png' where MTFCC = 'K2165';  update pointlm set image = 'airport.p.16.png' where MTFCC = 'K2451';  update pointlm set image = 'school.png' where MTFCC = 'K2543';   update pointlm set image = 'christian3.p.14.png' where MTFCC = 'K2582'; update pointlm set image = 'gate2.png' where MTFCC = 'K3066'; FOSS4G 2013, Nottingham 17th-22th September 2013

34. Dynamic symbolizers FOSS4G 2013, Nottingham 17th-22th September 2013

35. Dynamic symbolizers CSS way • Down to 15 lines FOSS4G 2013, Nottingham 17th-22th September 2013

36. Labeling FOSS4G 2013, Nottingham 17th-22th September 2013

37. Line labels FOSS4G 2013, Nottingham 17th-22th September 2013

38. Line labels (and more) CSS way FOSS4G 2013, Nottingham 17th-22th September 2013

39. Point labels FOSS4G 2013, Nottingham 17th-22th September 2013

40. Polygon labels FOSS4G 2013, Nottingham 17th-22th September 2013

41. Label Obstacles FOSS4G 2013, Nottingham 17th-22th September 2013

42. Transformations FOSS4G 2013, Nottingham 17th-22th September 2013

43. Geometry transformations FOSS4G 2013, Nottingham 17th-22th September 2013

44. Geometry transformations CSS way FOSS4G 2013, Nottingham 17th-22th September 2013

45. Geometry transformations FOSS4G 2013, Nottingham 17th-22th September 2013

46. Rendering transformations • No CSS support yet FOSS4G 2013, Nottingham 17th-22th September 2013

47. Rendering transformations FOSS4G 2013, Nottingham 17th-22th September 2013

48. Get it all  In a few days you will be able to find:    Full data, styles and configuration, ready to use Get the slides Be on the lookout:  http://geo-solutions.blogspot.com/ FOSS4G 2013, Nottingham 17th-22th September 2013

49. The End Questions? andrea.aime@geo-solutions.it simone.giannecchini@geo-solutions.it FOSS4G 2013, Nottingham 17th-22th September 2013

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