How it works: Zones of Theoretical Visibility

09/02/2018

How it works: Zones of Theoretical Visibility

A ZTV (sometimes known as a ZVI) is where you can ‘theoretically’ see an object from a given location. These are often used by Architects, Landscape Architects, Urban and Town Planners and Environmental experts for planning applications.

A ZTV is normally the pre-requisite to a full blown Verified View production. The idea is to narrow down the number of Verified View’s needed by running a Viewshed Analysis. The ZTV output is normally discussed by the planners and the client to decide which ‘views’ are most sensitive and then create a shortlist of Verified Views for production.

Review our PDF, including example of how to generate ZTV here.

Zones of Theoretical Visibility leaflet
Tim Hughes

Tim Hughes, CEO, The Carto Group.

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Forward thinking and always looking to implement innovative new ideas to expand the use of GIS within our clients and partners business.

Easy to approach, friendly and always trying to deliver projects with a smile. A passion for 3D GIS for use cases you could never imagine!

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Dave Rowe

Dave Rowe, Principle Developer, The Carto Group.

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Dave is an open data advocate, always looking to deliver as much value as possible from clients data.

Microsoft Certified in cloud Azure stacks, Dave is an awesome GIS Software Engineer that takes web GIS applications to the highest level.

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