RobinLovelace

602 reputation

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	location	Sheffield, United Kingdom
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visits	member for	6 months
	seen	May 3 at 13:27
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It's time to understand the world.

	602 reputation	bio	website		visits	member for	6 months
12 badges		location	Sheffield, United Kingdom		seen	May 3 at 13:27

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Apr 16	comment	How to efficiently read a kml file into R OK good plan - I have told the client that PostGIS is the way forward for such big data, and am convinced that it's the right option for the kind of things he wants to do. Good excuse for me to learn it properly!
Apr 16	comment	Extract number of vertices in each polygon in R ps system.time(sapply(dshe@polygons, function(y) nrow(y@Polygons[[1]]@coords))) tells me your method is several orders of magnitude faster than mine.
Apr 16	comment	Extract number of vertices in each polygon in R That solved it, many thanks!
Apr 16	accepted	Extract number of vertices in each polygon in R
Apr 16	accepted	How to efficiently read a kml file into R
Apr 16	comment	How to efficiently read a kml file into R Thanks for your answer Spaced - solved the problem straight away. It's clear explanation like this that makes me love stack exchange! One 'bonus point' question: could I use the same command to read in a subset of the data (e.g. the first 1 million polygons)? Otherwise will look to split up the huge kmls with an external program.
Apr 16	asked	Extract number of vertices in each polygon in R
Apr 16	revised	How to efficiently read a kml file into R better ps example
Apr 16	asked	How to efficiently read a kml file into R
Apr 16	awarded	Popular Question
Apr 9	accepted	How do I change the delimiter in the attribute table
Apr 9	comment	How do I change the delimiter in the attribute table Gotcha - I've just exported the text and then saved as csv to join on. Thanks
Apr 8	comment	How do I change the delimiter in the attribute table Even if it were not a .kml file, the same question remains: how to add delimiters to the attribute table so more columns are created (e.g. perhaps you want "08 04 2013" to be represented by three separate columns by making space " " the delimiter).
Apr 8	comment	How do I change the delimiter in the attribute table <?xml version="1.0" encoding="UTF-8"?> <kml xmlns="opengis.net/kml/2.2">; <Document> <Style id="transBluePoly"> <LineStyle> <width>1.5</width> </LineStyle> <PolyStyle> <color>30ffa911</color> </PolyStyle> </Style> <Style id="labelStyle"> <IconStyle> <color>ffffa911</color> <scale>0.35</scale> </IconStyle> <LabelStyle> <color>ffffffff</color> <scale>0.35</scale> </LabelStyle> </Style> <Placemark> <name>9840229084\|2013-03-06 13:41:34.0\|rent\|...</name>
Apr 8	comment	How do I change the delimiter in the attribute table Hi gsherman, yes I'm sure it's a kml file. I added it using the method you suggested. Its format is as follows:
Apr 8	asked	How do I change the delimiter in the attribute table
Feb 23	asked	TRANSIMS interaction with OSGEO tools
Jan 4	revised	Route analysis in R based on the OSM transport network: possible? title better
Jan 4	accepted	How to fix QGIS PyQGIS package?
Jan 4	accepted	Keeping package dependencies for QGIS master up-to-date