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2
votes
1answer
110 views

Does the MapInfo centroid function guarantee a centroid within the polygon?

I wish to calculate the centroids of a large number of building polygons in OS MasterMap using MapInfo. MapInfo calculates the centroid using the object's Minimum Bounding Rectangle. Theoretically ...
1
vote
1answer
236 views

How can I create 1 seamless tab file for master map?

This is my first post on here so please excuse if it's in the wrong place. I've processed some mastermap files which display absolutely fine. However, during the processing it would not let me create ...
1
vote
1answer
351 views

Using a field to define label font size in MapInfo?

I have a tab file of ordnance survey MasterMap data, this was obtained from a client so I have no way of re-downloading it. Usually when I have these files the text is automatically displayed ...
1
vote
0answers
124 views

How to export dxf of window view from postGis MasterMap layer

I have managed to get qgis to show my Mastermap data which is stored in a postGis database. It's national coverage so seems to take ages to load but that's another question. I basically want to ...
4
votes
7answers
3k views

How to get OS Mastermap data into QGIS?

I have been tasked with getting OS Mastermap topography data into QGIS system to compliment our other map layers. The data comes in .gz format. Which I am told needs to be decompressed before I can do ...
4
votes
3answers
550 views

Geoserver SLD for OS Mastermap

We are just looking into moving from Mapserver to Geoserver for some of out WMS needs, one of which is to serve OS Mastermap to our users. Before i have a go at creating the SLD styles for Mastermap ...
1
vote
1answer
208 views

Open Source Challenge: Automated Mastermap update in Oracle Spatial

I've been set a challenge which is a bit out of my comfort zone. I'm an esri developer trying to break into the open source world. I've been asked to automate the update of some oracle SDO datasets. ...
3
votes
2answers
110 views

Obtaining OS MasterMap time series data

I am trying to do a research project on changes in Land Cover in a London borough over time. I have access to OS MasterMap data through Digimap (the service that provides this data to universities in ...
2
votes
2answers
200 views

Working out parcel direction

I am looking at applying a direction indicator to land parcels and houses (in MasterMap). effectively, I am looking at applying a direction indicator to the land and the buildings associated to the ...