File:Alkmaar-topografie.jpg

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Nederlands: Topografisch beeld van de stad Alkmaar.

Op basis van de GML open geodata van de BRT/Top10NL (basisregistratie Topografie, Kadaster 2012), vrijgegeven door Kadaster op 30-11-2012 onder de Creative Commons BY licentie. Gebouwvlakken vanuit Open Geodata BAG extract (december 2012).

Samenstelling en kleurenschema: Jan-Willem van Aalst, met QuantumGIS en Photoshop.
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Author Janwillemvanaalst

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I, the copyright holder of this work, hereby publish it under the following license:
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Date/TimeThumbnailDimensionsUserComment
current21:12, 14 January 2013Thumbnail for version as of 21:12, 14 January 20131,508 × 2,093 (2.31 MB)Janwillemvanaalst (talk | contribs)Added various topographic improvements, which were already available in the BRT open-geodata source files: - Symbols for special physical appearances of land types such as "swampy terrain" - Symbol for carpool parking + large open parking spaces (in ad...
12:15, 6 January 2013Thumbnail for version as of 12:15, 6 January 20131,508 × 2,093 (2.23 MB)Janwillemvanaalst (talk | contribs)Various rendering improvements, following the advice of several topographic experts. Scale remains unchanged.
19:53, 29 December 2012Thumbnail for version as of 19:53, 29 December 20121,508 × 2,093 (2.17 MB)Janwillemvanaalst (talk | contribs)Map redrawn using updated (2012) open geodata Dutch government base registries BRT + BAG. Rendered using QuantumGIS and Photoshop.
17:20, 10 March 2012Thumbnail for version as of 17:20, 10 March 20122,770 × 3,544 (3.92 MB)Janwillemvanaalst (talk | contribs)Building polygons now taken from Open Geodata BAG registry (jan.2012); increased image resolution.
15:25, 17 February 2012Thumbnail for version as of 15:25, 17 February 20121,892 × 2,372 (2.51 MB)Janwillemvanaalst (talk | contribs)Improvements on pedestrian and cycling areas
19:24, 13 February 2012Thumbnail for version as of 19:24, 13 February 20121,892 × 2,372 (2.51 MB)Janwillemvanaalst (talk | contribs)

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