User djq - Geographic Information Systems Stack Exchange

bio	website	djq.me
	location	Dublin, Ireland
	age
visits	member for	2 years, 8 months
	seen	7 hours ago
stats	profile views	437

	5,863 reputation	bio	website	djq.me	visits	member for	2 years, 8 months
12492 badges		location	Dublin, Ireland		seen	7 hours ago

15

29

votes

6

answers

4

kviews

Downloading OpenStreetMap Data

data openstreetmap

jan 24 at 5:36 djq 5,863

10

18

votes

6

answers

3

kviews

How to convert image of map into vector format?

dec 6 at 1:54 PolyGeo 8,433

8

16

votes

3

answers

2

kviews

How can I calculate the average width of a polygon?

arcgis arcgis-10.0 postgis qgis polygon

sep 28 at 9:21 Peter Krauss 742

7

16

votes

1

answer

3

kviews

How to divide a polygon into specific sizes using ArcGIS?

arcgis python algorithm polygon-creation

may 13 '12 at 21:04 underdark♦ 29.3k

4

15

votes

4

answers

555

views

What are some high-profile websites that use OpenLayers and PostGIS?

openlayers postgis examples

oct 8 at 8:16 R.K. 10.1k

4

13

votes

2

answers

1

kviews

Identifying road intersections using PostGIS

postgis postgresql intersection

feb 24 at 1:45 Frank 48

3

13

votes

5

answers

2

kviews

Using ArcGIS 10 on a virtual machine with OSX

arcgis windows osx

sep 12 at 19:06 Community♦ 1

2

13

votes

1

answer

1

kviews

How to define new custom projections in QGIS?

qgis projection

feb 19 '12 at 19:32 underdark♦ 29.3k

6

13

votes

1

answer

573

views

Identifying topological relationships using PostGIS

postgis sql topology

sep 26 '11 at 19:54 underdark♦ 29.3k

4

12

votes

4

answers

1

kviews

Advice on geocoding IP addresses

geocoding

jan 18 at 7:31 Michael Oliver 1

5

12

votes

4

answers

979

views

What is the best method of visualizing a network on a map?

visualisation network

sep 17 '10 at 8:47 SmartJJ 11

5

10

votes

3

answers

1

kviews

Optimizing a nearest neighbor calculation using PostGIS

postgis polygon nearest-neighbor

jan 19 at 5:33 djq 5,863

1

10

votes

4

answers

399

views

How to colour polygons with a completely transparent fill using MapServer?

polygon cartography mapserver filling

dec 20 at 19:28 unicoletti 4,821

3

10

votes

3

answers

712

views

Looking for market share of GIS desktop tools

software desktop

mar 18 '12 at 21:38 underdark♦ 29.3k

6

10

votes

1

answer

550

views

Random sampling of raster using R

raster r

nov 25 '11 at 17:33 whuber♦ 29.7k

2

10

votes

3

answers

984

views

Options for displaying PostGIS rasters in OpenLayers

postgis openlayers javascript php

oct 10 '11 at 21:43 Jay Laura 1,673

1

10

votes

2

answers

2

kviews

Data types for storing lng/lat in MySQL

data mysql

may 31 '11 at 16:21 geographika 9,568

10

votes

5

answers

11

kviews

How do you cite ArcGIS?

arcgis

feb 28 '11 at 9:06 mdsumner 1,547

4

9

votes

4

answers

377

views

How can a 3D model of a building be displayed in a web-browser?

web-mapping 3d visualisation

may 14 at 0:28 djq 5,863

8

9

votes

1

answer

3

kviews

How do I calculate the latitude and longitude of points using QGIS?

qgis

mar 13 at 7:20 underdark♦ 29.3k

3

9

votes

3

answers

4

kviews

Loading a raster into a PostGIS 2.0 database on Windows

raster postgresql windows postgis-2.0

jul 25 at 16:00 GISTECH 41

9

votes

3

answers

810

views

Deleting large numbers of fields in ArcGIS 10

arcgis-10.0 arcmap

jul 12 at 18:58 Dan C 1,324

9

votes

4

answers

348

views

Where can I find historic maps of city size?

data maps

jul 5 at 16:23 MappingTomorrow 1,266

4

8

votes

5

answers

161

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How can I integrate user comments with a web-map?

web-mapping collaboration

apr 9 at 17:18 whuber♦ 29.7k

2

8

votes

2

answers

188

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Designing an API for spatial data

data api

nov 22 '11 at 16:36 MerseyViking 9,538

1

8

votes

1

answer

2

kviews

Problem with setValue() function in ArcGIS 10

arcgis-10.0 python

dec 5 '10 at 21:33 gotchula 1,621

8

votes

1

answer

1

kviews

How do I create an animation in google earth using png overlays with kml timestamps?

kml google-earth animation overlay

oct 28 '10 at 8:08 Trevesy 641

7

votes

2

answers

853

views

Intersecting a raster with a polygon using PostGIS - artefact error

raster polygon sql spatial-database postgis-2.0

jun 6 '12 at 20:15 Pete Clark 11

7

votes

1

answer

318

views

How does IP geocoding work?

geocoding

apr 21 '12 at 8:39 Miles Erickson 221

2

7

votes

2

answers

982

views

How to run two PostGIS versions in parallel on Windows?

postgis windows postgis-2.0

dec 15 '11 at 4:35 LR1234567 1,742

djq

110 Questions