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Re-evaluating your GIS
Look around, and you’ll find GIS everywhere – in obvious and less obvious ways. From Google Maps to air traffic control, from parcel tracking to land use analysis, geographical information systems have...
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ArcGIS Pro SDK for Microsoft .NET, QueuedTask
I have recently been looking at the ArcGIS Pro SDK to develop some custom apps. When I started using the fine grained API to create functions I soon found that I needed to use Esri’s QueuedTask. For...
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Tips for web-based map design
The focus on web mapping application is back, or maybe it never really went away. As we use browser-based mapping technologies more and more I think it is time to discuss what, in my experience, has...
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Models to Scripts: Cleaning Tips
IntroductionIn my current role, scripting is by far my favourite activity. I’ve always enjoyed language, and in the same way I enjoy writing and reading other’s scripts. Although reading,...
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Tip 30: Minimising Digitising Errors
Using Topology to Minimise Digitising ErrorTopology is the study of geometrical properties and spatial relations that are unaffected by continuous changes in the shape and size of a figure. A...
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Advanced Labelling with Python
Advanced Labelling with PythonThere can be times when data which is available to you may not present information exactly as you would like. Variations in units are common. In many cases, you can simply...
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Our Esri 2015 UC Q&A Highlights
There's only a few days left before the 2015 Esri User Conference (UC) in San Diego, and Esri has released the UC Q&A, which aims to answer common questions about Esri's products and services, and...
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Tip 29: Using ModelBuilder Iterators
Build once, process many!In a previous blog it was discussed how you can use ArcPy to perform batch geoprocessing instead of using the ‘batch’ option for a tool. There is however a 3rd way you could...
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Managing geodetic risks in E&P
In 2005, an unnamed oil & gas operator quietly set the world record in drilling furthest from the intended location. Positioning a rig offshore, not far from the equator, someone managed to misread...
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Using GIS in Unconventionals Developments
We often use ArcGIS Desktop’s buffer tool simply to select areas within set distances from a feature or features we are interested in. However, buffering can be used in more complex ways such as to...
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A Mapping Platform for Exploration
It’s been nearly 3 years since Esri announced that the technology we’d been using for years was now “a platform”. I think it’s fair to say people were initially confused.Fast forward a couple of...
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Treasure Hunt with Maps & Apps
Treasure Hunt with Maps & AppsExprodat recently held its first company day of 2015 and it was a great success. It’s a day filled with company updates from the Exprodat management team, technical...
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Improving Map Service Performance
In this blog we will look at how you can improve the performance of your ArcGIS for Server-based WebGIS applications by tweaking the content of the map services that they use.Before you startIf you’re...
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5 Key Messages from the 2015 EPC
This was the third year that Esri has focused in on the ‘Location (Web GIS) Platform’ concept in their Partner Conference, and there was a real clarity around the messaging this year. These are my top...
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Correctly Aligning Features in ArcMap: 1
In my last post (part 1), I described two scenarios when ArcMap undertakes coordinate operations, commonly known as “on-the-fly projection”. In the second scenario, the user must select a valid...
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Survey results: GIS in Oil & Gas
Exprodat carried out its second industry benchmark survey in 2014, measuring geospatial capability maturity across 18 oil & gas operators worldwide (including Independents, IOCs and NOCs). Initial...
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1-hour Monograph 3
IntroductionHow long does it take you to run a “Monograph 3” geostatistical reserves analysis? Chances are that you find it complex, onerous and time consuming. If that’s the case, then you’re probably...
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Displaying every Nth Feature
Scale is one of the most important factors to consider when representing data on a map. As mentioned in the ‘Creating a Multi-scale Geological Map’ blog it is important not to confuse the message of...
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Calculating Depth to Surface from Contours
Depth-to-surface maps can be derived from isopach (thickness) data, and are useful for visualising regional structural trends.This blog demonstrates how to use mathematic functions in ArcGIS to create...
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Seismic 2D shot points in ArcGIS 10
We often need to use editing tools for digitising a new object such as a point, line or polygon feature. These are fairly straightforward to create, but one of the problems with polygons is that we...
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