Kuhn, Ballatore – AGILE 2015 – 1

Designing a Language for Spatial Computing

Werner Kuhn | Andrea Ballatore Center for Spatial Studies

Department of Geography University of California, Santa Barbara

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The City of Seven Hills “A Cidade das Sete Colinas”

1572

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The City of Seven Hills

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How many hills does Lisbon have?

http://en.wikipedia.org/wiki/List_of_cities_claimed_to_be_built_on_seven_hills

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How many hills does Lisbon have?

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“Lisbon”: gadm.org

“Hill”: Chaudhry and Mackaness (2008) Data: digital elevation model (DEM)

A GIS answer.

ArcGIS ModelBuilder

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1.  Spatial questions2.  A GIS answer3. Core concepts of spatial information4. Core computations: An example

Outline

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Core concepts of spatial information

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The Core Concepts Cube

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Field

Get value

Local, zonal, focal

Bounds

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Object

Is it same Get property

Is in relation with

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Network

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Event

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(Another)

Cultural Walk

How long will it take?

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Granularity

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Granularity

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Granularity

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Granularity

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Accuracy

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From spatial questions

to core computations

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Architecture

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An example in

How long will the hill walk take?

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An example in

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Next steps

1.  High-level query operators 2.  Validation in GIS projects 3.  Generic and domain spatial

computing APIs 4.  Question answering API

http://github.com/spatial-ucsb/ConceptsOfSpatialInformation

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Thanks! Werner Kuhn | Andrea Ballatore

kuhn | aballatore@spatial.ucsb.edu

Delivered at AGILE 2015, Lisbon – June 12, 2015 Credits: •  Analysis and maps by Sara Lafia (UCSB) •  DTM from Gonçalo Crisóstomo, DG Territorio, Portugal