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Solution

Improve the positional accuracy of your location data

Today, accurate location data is a standard requirement, and our PAI solution uses the powerful algorithms and rules-based approach of 1Integrate to help you ensure the positional accuracy standards you need are achieved. Our transformation algorithms use shift vectors to adjust the position of your data automatically. It calculates shift vectors from original and revised base data, as well as using any pre-supplied sets of shift vectors available.

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Key Benefits

Using our rules-based solution, powered by 1Ingtegrateusers can improve the positional accuracy of data, to re-align it to a new base map or re-use new positional information against existing assets and features.

The transformed datasets are then be validated to confirm the success of the process and to identify any anomalies requiring further attention.

The challenge for your data custodian is to implement it in a way that minimises risk, disruption and cost.

The use of our powerful algorithms and rules-based approach to address PAI means the rules and process can be tested, analysedrefined and proven in isolation before integrating them into a fully automated workflow.

The use of automation means improving the positional accuracy of operational data doesn’t require significant or unnecessary production down-time or disruption. 

The key feature in our PAI solution is the set of shift vectors used for the positional improvement. We determine the adjustments required for every feature or vertex in order to align it with the more accurate positions. We both infer the required shift vectors we need and make use of good quality shift vectors if you already have them. 

Once the shift vectors are determined, our algorithms take a triangulation-based approach to shifting your data, which unlike other shifting algorithms shifts data in an intelligent, context-sensitive way that ensures geometric connectivity is maintained and handles shift vectors of varying density.

The Challenge

Historically, geometric data was mapped with the level of accuracy available at the time.

Inaccuracy is often a problem for you if you have old data sets, pre-dating the use of accurate GPS surveying technology. In many cases, the position of any point within the data set is accurate relative to other points in the same set, but can be inaccurate relative to more recent, precise data.

This is a problem for both suppliers of base data who need to update its positional accuracy and also for users of this data whose assets will need to be shifted to stay aligned with the updated base data. 

The Solution

Our solution uses both 1Data Gateway and 1Integrate. 1Data Gateway is a cloud-enabled portal which allows the de-centralisation of PAI transformational processes. The portal allows users to submit data through a secure portal in the cloud. Powered by 1Integrate’s rules-engine, data is automatically checked and validated at source to ensure its completeness, quality, and reliability.  

When the users are happy with the quality of the data, the transformation tasks begin. Users can select a project to shift their data using an existing set of shift vectors, or by supplying a source and target data set to allow the solution to generate them for you. The shift vectors are analysed to identify anomalies or outliers. These can then be corrected or excluded from the process. The data is then shifted using our powerful algorithms, before validating the result to check the data post movement and report any geometry, connectivity or relationship changes.

The Result

Our solution improves the positional accuracy of your data sets, without compromising your underlying topology and feature relationships.

It provides a flexible approach where users can optionally influence the processing or choose to allow our solution to automatically exclude anomalies and process only known good data.

The result is a hassle free, efficient, reliable and automated process that can work in the background, quietly improving your data.

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FREE White Paper

There’s just never a “right time” to run a Positional Accuracy Improvement (PAI) project, but there is a “right way” – one that minimises risk, disruption and cost. Download our FREE PAI White Paper to find out more.

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On-Demand Webinar

Relieve the pain of Positional Accuracy Improvement projects - There’s just never a “right time” to run a Positional Accuracy Improvement (PAI) project, but there is a “right way” – one that minimises risk, disruption and cost. Watch our free, 30-minute webinar to find out more.

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