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Category Archives: Geographical Information Systems
MS Access Function – import all CSV files from a directory with the same structure into a single table
This is a really nice function that can be used to place all data from multiple CSVs (with the same structure) into a single table. Here I use the Ordnance Survey’s excellent Code Point data set that gives postcodes in … Continue reading
Posted in Address Matching, All, Geographical Information Systems, GIS, MS Access, Open Source, VBA Code MS Access
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Links to GIS information for test system design
If you are trying to design software that includes a Geographical element it is easier if you are working with data that makes some kind of sense. The following are a list of sites where you can get good and … Continue reading
Posted in All, Geographical Information Systems, GIS
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Creation of SITE History from Planning Application Polygons using QGIS
In planning it is important to know the planning history on a site. The status and likelihood of approved permission will often relate to previous permissions. Many council planning systems do not specifically relate planning applications to each other and … Continue reading
Posted in Continual Professional Development, Digital Mapping, Geographical Information Systems, GIS, QGIS 2.8.1, QGIS General
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QGIS – Import shape file into PostGIS Table
The following uses QGIS 2.14.2 Essen and PostGres 9.5 A number of local authorities have released information through the UK’s data government site. The following example uses a shape file obtained from Lichfield District Council – At 2nd of October … Continue reading
Posted in All, Geographical Information Systems, GIS, PostGIS, Postgres, QGIS General
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QGIS 2.8.1 Getting Shape Files into SQL Server 2008 Express R2
For digital mapping the shp extension is the equivalent of csv files – A significant amount of information is still held in shape files and even if it is not, nearly every GIS package can export to shape format. It’s … Continue reading
Posted in All, Geographical Information Systems, QGIS 2.8.1, SQL 08 R2, SQL Server, Win 8.1
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QGIS 2.8.1 Raster / Extraction / Clipper – Extent Quick Reference
Raster Extraction Conversion guide landscape paper standard scales -SRID27700 Assumes that you are taking the map to the very edge of a landscape paper if you require a border you will need to use formula. Reverse calculations for portrait papers
Posted in All, Geographical Information Systems, QGIS 2.8.1, QGIS General
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Connecting to PostgreSQL 9.3 from QGIS 2.8.1 – local host
First ensure that you have both Postgres and QGIS installed on your machine. In order for you to be able to connect to Postgres from QGIS on local host you must ensure 2 things. Firstly that the PostGIS plugin has … Continue reading
Posted in All, Geographical Information Systems, GIS, PostGIS, Postgres, QGIS General
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Enabling Geospatial integration in applications.
Despite the fact that spatially enabled databases have been around pretty much everywhere for quite sometime there’s still a heck a lot of enterprise applications out there that are not using the feature even though their backends support it. SQL … Continue reading
Posted in All, Database Design, Geographical Information Systems, SQL 08 R2, SQL Server
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Introduction to Basic Printing QGIS 2.2
Creating maps that you can pass on to others is often a central and regular requirement if not in paper format then in a digital format that can be e-mailed or printed out. Here’s a quick reference for myself as … Continue reading
Posted in All, Digital Mapping, Geographical Information Systems, GIS, QGIS 2.2, QGIS General
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QGIS – Free GREAT Digital Mapping Software
A map showing winds over the Atlantic Looking for a desktop digital mapping package? You really need to check out QGIS it is an absolutely excellent open source geographical information system. At the time of writing the latest version was … Continue reading
Posted in All, Digital Mapping, General Opinion, Geographical Information Systems, Open Source, QGIS General
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VBA Function Collection for converting Eastings and Northings to Latitude and Longitude
Some years back we hired a young lad by the name of Iain Brodie on a temporary contract – The week before I had been at an ESRI conference which had extensively discussed Web Mapping and a speaker had demonstrated … Continue reading
Posted in All, Applied Mathematics, Digital Mapping, Geographical Information Systems, GIS, VBA Code MS Access
Tagged Digital Mapping, Eastings and Northings, Geographical Information Systems, Longitude and Latitude, Ordnance Survey, VBA Code MS Access
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VB Function for Zooming to location in Google Maps at 23 March 2014
Google recently slightly altered their URL to link to Google Maps. This code passes eastings and northings from fields into a function that calculates Longitude and Latitude and then passes those calculated coordinates to the google maps url for display … Continue reading
Posted in All, Geographical Information Systems, GIS, MS Access, VBA Code MS Access
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