Give #LiDAR files a coordinate system with no GIS

I am not perfect, my wife will tell you that in abundance and yesterday I realised just how rubbish I am....I was sent a LiDAR capture of some woods and no matter what I did, it wouldn't render in the right place. I knew the cloud was captured in EPSG 27700 (British National Grid) using … Continue reading Give #LiDAR files a coordinate system with no GIS

Calculating geometry outside ArcGIS Pro

Posted in xyHt Jan 18th 2018: http://www.xyht.com/spatial-itgis/calculating-geometry-outside-arcgis-pro/ Let's be clear, this isn't a stab at the new all singing and dancing Esri software, this post is to help those who are using the software on a regular basis but finding issues with using the fields with multipatch data Recently I've been working with calculating volumes of … Continue reading Calculating geometry outside ArcGIS Pro

Making Heightmaps

Published in xyHt October 17 2017: http://www.xyht.com/spatial-itgis/making-heightmaps/ So there is no hiding it, I've been building a lot of 3d data recently, partly to sell, partly to fuel my adventures into augmented reality (if your interested in me adding this to the blog, please say!). The main thing that has been vital has been the heightmap. … Continue reading Making Heightmaps

The Problem with 3D GIS

3D GIS is game changing, it can change the way you view your analysis, it can provide insights which you may have overlooked….but there is a little problem which I may had not shared in my deluge of blogs about how great 3D GIS is….. ...Sometimes it can be hard work. What I mean by … Continue reading The Problem with 3D GIS

Add OSTN15 to QGIS 2.16

As you may be aware, the United Kingdom has a new transformation model that is OSTN15.....But why? What does it mean to the geospatial community? Without being too nerdy, tectonic plate movement means that the "model" surface (the geoid) is slowly moving from best fit for the coordinate system. It has been 13yrs since Ordnance … Continue reading Add OSTN15 to QGIS 2.16

QGIS CSV & Delimited text Issues

Originally posted on xyHt Magazine 10th August 2016 Last month I was at the Maptime in Southampton (UK), helping QGIS new users how to join tables and map EU referendum maps when I came across an issue with something on QGIS I hadn't spotted in the last *ahem* years of using it. When you drag … Continue reading QGIS CSV & Delimited text Issues