Cadcorp GeognoSIS®

GeognoSIS is a geospatial web services engine, which can be used in both the development and deployment of web applications that use maps and other geographic information.

GeognoSIS is a powerful web mapping and geospatial server built around core Cadcorp SIS functionality that can be used to power everything from simple viewing-only websites, to complex spatial analysis.

Widely used geospatial services either based on industry standards such as Open Geospatial Consortium (OGC®) Web Map Service (WMS), Web Feature Service (WFS) and Web Map Tile Service (WMTS), or more consumer-friendly de facto standards such as Microsoft® Bing™ Maps and Google Maps™, can all be deployed using GeognoSIS without additional software. High levels of scalability and availability can be achieved using easily confi gured and managed clustering of multiple instances and servers.

Custom GeognoSIS applications can be built on top of either the modern, browser-centric HTTP API, or the enterprise-friendly SOAP API, and, as with all GeognoSIS capabilities, can be delivered over the internet, or, for more restricted use, over an extranet or within an intranet.

Where the requirement is to provide read-only access to geospatial services and data then GeognoSIS Express off ers a competitively priced alternative.

APIsGeognoSIS includes both a modern, browser- and JavaScript-centric HTTP API, and an enterprise-friendly SOAP API. The HTTP API enables multiple ‘resources’, eg spatial data, individual map features, map overlays, etc, to be manipulated – created, read, updated and deleted – over HTTP: the foundation of communication of the world wide web. The SOAP API off ers fi ne-grained control over the same data and analysis tools, but is based on the the GisLink API that is common and consistent across all Cadcorp SIS products, enabling developer skills to be easily transferred from the desktop to the web. The SOAP API can also be automatically extended using Stored Procedures built using the GisLink API.

Data SupportGeognoSIS shares both the core Cadcorp SIS data access capabilities, and the core ‘SIS workspace defi nition’ project fi le, thus making any of the Cadcorp SIS desktop products a powerful data creation and management tool for preparing geospatial data for dissemination over the web. These capabilities give direct access, without translation, to over 200 data sources, both standardised and proprietary, ranging from CAD and GIS fi les, to spatial databases and web services, and make GeognoSIS an ideal vehicle for combining business data and backdrop maps. All of these disparate data sources can be

Cadcorp GeognoSIS

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served via any of the industry standard, eg OGC WMS and WFS, or de facto standard, eg Google Maps™, services supported by GeognoSIS.

GeognoSIS can also harvest and manage spatial metadata, and can serve that metadata as an OGC Catalogue Service for the Web (CS-W) encoded as, among others, UK Gemini and ISO 19139 XML.

Tile services supported by GeognoSIS, eg OGC WMTS, can be based on ‘live’ data drawing, or can take advantage of a tile cache for improved responsiveness.

ManagementGeognoSIS Manager is an easy-to-use tool for managing instances of GeognoSIS and the data and services offered by those instances, eg:

• creating, starting and stopping instances

• creating and managing users (optionally tied to Microsoft Active Directory users) and groups, for security

• adding data to be preloaded at startup, to boost initial response times

• enabling web services, eg OGC WMS and Google Maps™, and configuring the data offered by those services

• building clusters of instances, for scalability

• controlling logging and statistics collection, for service monitoring

• loading and unloading stored procedures, for extending the SOAP API

NotificationsGeognoSIS instances can be configured to send notification emails when specific, significant events occur, giving additional, passive, monitoring capabilities to GIS and IT managers. Notable events include:

• server start and stop

• statistics summary

• low memory alert

• long running task completion, eg tile cache fully populated, or database or service metadata harvested

BenefitsGeognoSIS offers many powerful technological, financial and organisational benefits:

• comprehensive browser- and enterprise-friendly APIs that give access to the powerful core capabilities of Cadcorp SIS, ranging from simple spatial queries to complex GIS analysis

• support for familiar development environments, aiding developer productivity

• direct reading from, and writing to, a wide range of GIS, CAD, raster, database and web data sources without translation, saving time and money

• cost-effective development licensing

• straightforward server-based deployment licensing, independent of hardware

• simple configuration and management, saving valuable IT or GIS manager time

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GeognoSIS makes a range of mapping services and geospatial capabilities available over the internet or intranet.

Feature Services

Map Services

SOAP APIHTTP API

OGC Services

Tile Services

Cadcorp, Cadcorp SIS, Spatial Information System, SIS, mSIS, apSIS, Powermap, MapTips, GeognoSIS, Map Browser, Map Reader, Map Viewer, Map Editor, Map Modeller, Web Map Layers, Local Knowledge, Notice Board and Roamer are trademarks, registered trademarks, or service marks of Computer Aided Development Corporation Limited (Cadcorp) in the UK, the European Community or certain other jurisdictions. Not all Cadcorp trademarks may be indicated here. Other companies and products mentioned may be trademarks, registered trademarks or service marks of their respective trademark owners.

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