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Relevant towns and neighbourhoods

Alphen aan den Rijn (woonkern)Zwammerdam (woonkern)Aarlanderveen (woonkern)

Tile 31CN2

Actueel Hoogtebestand Nederland

Point cloud

The aerial photograph closest to the acquisition date of the AHN iteration was overlaid on the point cloud to produce a colored version for visualisation purposes. Furthermore, for each point cloud a spatial index and textual summary, including elevation histogram, are provided. Please note that the images are not from the same flight, and may be years off. Therefore, small alignment errors and differences occur between them.

Zoom in on the map to see tiled versions (25 tiles of 1×1.25 km). Tiled versions typically fit into memory (RAM) are easier to handle and are especially suitable for parallel processing and Machine Learning.

Version Point cloud Spatial index Info License
AHN1 Ground 31cn2.laz 35.4 MiB 31cn2.lax 32 kiB 31cn2.txt 15 kiB Stuurgroep AHN, public domain
Non-ground 31cn2.laz 4.5 MiB 31cn2.lax 75 kiB 31cn2.txt 12 kiB Stuurgroep AHN, public domain
Merged 31CN2.LAZ 39.9 MiB 31CN2.LAX 41 kiB 31CN2.txt 15 kiB Stuurgroep AHN (merged product by GeoTiles)
Colored Available for sub-units only, zoom in to select. Remixed by GeoTiles*
AHN2 Ground g31cn2.laz 440.1 MiB g31cn2.lax 230 kiB g31cn2.txt 9 kiB Stuurgroep AHN, public domain
Non-ground u31cn2.laz 262.9 MiB u31cn2.lax 174 kiB u31cn2.txt 18 kiB Stuurgroep AHN, public domain
Merged 31CN2.LAZ 703.0 MiB 31CN2.LAX 1.3 MiB 31CN2.txt 18 kiB Stuurgroep AHN (merged product by GeoTiles)
Colored Available for sub-units only, zoom in to select. Remixed by GeoTiles*
AHN3 Original C_31CN2.LAZ 2.1 GiB C_31CN2.LAX 2.0 MiB C_31CN2.txt 20 kiB Stuurgroep AHN, public domain
Colored Available for sub-units only, zoom in to select. Remixed by GeoTiles*
AHN4 Original C_31CN2.LAZ 6.4 GiB C_31CN2.LAX 2.0 MiB C_31CN2.txt 20 kiB Het Waterschapshuis, public domain
Colored (Partially) available for sub-units. Remixed by GeoTiles*

*The point cloud is in the public domain and the aerial photograph available under CC-BY. However, the colored point cloud is a new product created by GeoTiles.

File checksums (md5) are available for AHN1, AHN2, AHN3 and AHN4.

Raster

Version DSM DTM ('maaiveld') License
5 meter ½ meter 5 meter ½ meter
AHN1 31cn2.tif.zip public domain
AHN2 r31cn2.tif.zip ahn2_5_31cn2.tif.zip i31cn2.tif.zip public domain *
AHN3 R5_31CN2.zip R_31CN2.zip M5_31CN2.zip M_31CN2.zip CC-0
AHN4 R5_31CN2.zip R_31CN2.zip M5_31CN2.zip M_31CN2.zip CC-0 [1, 2, 3, 4]

Aerial photograph

Year Version GeoTiff Source License
2016 RGB RGB_31CN2.tiff 61.3 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 59.3 MiB CC-BY 4.0
2017 RGB RGB_31CN2.tiff 61.4 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 60.2 MiB CC-BY 4.0
2018 RGB RGB_31CN2.tiff 72.6 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 70.1 MiB CC-BY 4.0
2019 RGB RGB_31CN2.tiff 65.8 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 61.1 MiB CC-BY 4.0
2020 RGB RGB_31CN2.tiff 61.6 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 58.4 MiB CC-BY 4.0
2022 RGB RGB_31CN2.tiff 67.4 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 69.5 MiB CC-BY 4.0
2023 RGB RGB_31CN2.tiff 76.7 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_31CN2.tiff 77.9 MiB CC-BY 4.0

Sub-tiles 31CN2

Image adapted from Kadaster TOPraster and OpenTopo.

Actueel Hoogtebestand Nederland

Point cloud

These sub-tiles of 1×1.25 km are clipped from the original point cloud. Goal is to enable distributed processing of the point cloud. Therefore, a 25 m overlap to the neighbouring (sub-)tiles is added. Thanks to the overlap between sub-tiles, the sub-tiles can be processed independently and therefore parallel.

All other data sets on this website are only available in the main tiling schema.

Tile Version Point cloud Spatial index Info Residential areas License
31CN2_01 AHN1 31CN2_01.LAZ 3.7 MiB 31CN2_01.LAX 4 kiB 31CN2_01.txt 14 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_01.LAZ 99.9 MiB 31CN2_01.LAX 83 kiB 31CN2_01.txt 17 kiB
AHN3 31CN2_01.LAZ 191.1 MiB 31CN2_01.LAX 97 kiB 31CN2_01.txt 17 kiB
AHN4 31CN2_01.LAZ 457.8 MiB 31CN2_01.LAX 100 kiB 31CN2_01.txt 18 kiB
31CN2_02 AHN1 31CN2_02.LAZ 3.2 MiB 31CN2_02.LAX 5 kiB 31CN2_02.txt 15 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_02.LAZ 134.7 MiB 31CN2_02.LAX 91 kiB 31CN2_02.txt 17 kiB
AHN3 31CN2_02.LAZ 149.4 MiB 31CN2_02.LAX 88 kiB 31CN2_02.txt 18 kiB
AHN4 31CN2_02.LAZ 432.9 MiB 31CN2_02.LAX 88 kiB 31CN2_02.txt 19 kiB
31CN2_03 AHN1 31CN2_03.LAZ 3.2 MiB 31CN2_03.LAX 5 kiB 31CN2_03.txt 11 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_03.LAZ 88.3 MiB 31CN2_03.LAX 79 kiB 31CN2_03.txt 13 kiB
AHN3 31CN2_03.LAZ 179.8 MiB 31CN2_03.LAX 95 kiB 31CN2_03.txt 15 kiB
AHN4 31CN2_03.LAZ 482.4 MiB 31CN2_03.LAX 95 kiB 31CN2_03.txt 17 kiB
31CN2_04 AHN1 31CN2_04.LAZ 2.9 MiB 31CN2_04.LAX 5 kiB 31CN2_04.txt 12 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_04.LAZ 69.8 MiB 31CN2_04.LAX 64 kiB 31CN2_04.txt 14 kiB
AHN3 31CN2_04.LAZ 120.0 MiB 31CN2_04.LAX 90 kiB 31CN2_04.txt 15 kiB
AHN4 31CN2_04.LAZ 371.2 MiB 31CN2_04.LAX 100 kiB 31CN2_04.txt 17 kiB
31CN2_05 AHN1 31CN2_05.LAZ 2.9 MiB 31CN2_05.LAX 5 kiB 31CN2_05.txt 11 kiB Aarlanderveen AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_05.LAZ 70.2 MiB 31CN2_05.LAX 62 kiB 31CN2_05.txt 13 kiB
AHN3 31CN2_05.LAZ 108.7 MiB 31CN2_05.LAX 90 kiB 31CN2_05.txt 17 kiB
AHN4 31CN2_05.LAZ 367.1 MiB 31CN2_05.LAX 100 kiB 31CN2_05.txt 17 kiB
31CN2_06 AHN1 31CN2_06.LAZ 3.5 MiB 31CN2_06.LAX 4 kiB 31CN2_06.txt 14 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_06.LAZ 118.3 MiB 31CN2_06.LAX 92 kiB 31CN2_06.txt 17 kiB
AHN3 31CN2_06.LAZ 188.0 MiB 31CN2_06.LAX 97 kiB 31CN2_06.txt 18 kiB
AHN4 31CN2_06.LAZ 429.4 MiB 31CN2_06.LAX 100 kiB 31CN2_06.txt 20 kiB
31CN2_07 AHN1 31CN2_07.LAZ 2.6 MiB 31CN2_07.LAX 5 kiB 31CN2_07.txt 12 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_07.LAZ 72.9 MiB 31CN2_07.LAX 62 kiB 31CN2_07.txt 17 kiB
AHN3 31CN2_07.LAZ 141.6 MiB 31CN2_07.LAX 80 kiB 31CN2_07.txt 17 kiB
AHN4 31CN2_07.LAZ 394.7 MiB 31CN2_07.LAX 85 kiB 31CN2_07.txt 18 kiB
31CN2_08 AHN1 31CN2_08.LAZ 2.6 MiB 31CN2_08.LAX 5 kiB 31CN2_08.txt 10 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_08.LAZ 51.3 MiB 31CN2_08.LAX 54 kiB 31CN2_08.txt 12 kiB
AHN3 31CN2_08.LAZ 100.2 MiB 31CN2_08.LAX 81 kiB 31CN2_08.txt 13 kiB
AHN4 31CN2_08.LAZ 302.9 MiB 31CN2_08.LAX 94 kiB 31CN2_08.txt 15 kiB
31CN2_09 AHN1 31CN2_09.LAZ 2.8 MiB 31CN2_09.LAX 4 kiB 31CN2_09.txt 10 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_09.LAZ 56.0 MiB 31CN2_09.LAX 52 kiB 31CN2_09.txt 11 kiB
AHN3 31CN2_09.LAZ 98.2 MiB 31CN2_09.LAX 82 kiB 31CN2_09.txt 13 kiB
AHN4 31CN2_09.LAZ 310.2 MiB 31CN2_09.LAX 100 kiB 31CN2_09.txt 14 kiB
31CN2_10 AHN1 31CN2_10.LAZ 2.8 MiB 31CN2_10.LAX 4 kiB 31CN2_10.txt 9 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_10.LAZ 56.6 MiB 31CN2_10.LAX 51 kiB 31CN2_10.txt 12 kiB
AHN3 31CN2_10.LAZ 85.5 MiB 31CN2_10.LAX 28 kiB 31CN2_10.txt 13 kiB
AHN4 31CN2_10.LAZ 312.4 MiB 31CN2_10.LAX 100 kiB 31CN2_10.txt 14 kiB
31CN2_11 AHN1 31CN2_11.LAZ 3.2 MiB 31CN2_11.LAX 4 kiB 31CN2_11.txt 12 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_11.LAZ 76.1 MiB 31CN2_11.LAX 68 kiB 31CN2_11.txt 13 kiB
AHN3 31CN2_11.LAZ 186.5 MiB 31CN2_11.LAX 98 kiB 31CN2_11.txt 15 kiB
AHN4 31CN2_11.LAZ 407.8 MiB 31CN2_11.LAX 100 kiB 31CN2_11.txt 18 kiB
31CN2_12 AHN1 31CN2_12.LAZ 2.9 MiB 31CN2_12.LAX 4 kiB 31CN2_12.txt 12 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_12.LAZ 69.6 MiB 31CN2_12.LAX 61 kiB 31CN2_12.txt 17 kiB
AHN3 31CN2_12.LAZ 127.0 MiB 31CN2_12.LAX 92 kiB 31CN2_12.txt 17 kiB
AHN4 31CN2_12.LAZ 370.1 MiB 31CN2_12.LAX 100 kiB 31CN2_12.txt 19 kiB
31CN2_13 AHN1 31CN2_13.LAZ 2.6 MiB 31CN2_13.LAX 5 kiB 31CN2_13.txt 10 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_13.LAZ 55.7 MiB 31CN2_13.LAX 51 kiB 31CN2_13.txt 11 kiB
AHN3 31CN2_13.LAZ 97.0 MiB 31CN2_13.LAX 44 kiB 31CN2_13.txt 12 kiB
AHN4 31CN2_13.LAZ 292.2 MiB 31CN2_13.LAX 99 kiB 31CN2_13.txt 13 kiB
31CN2_14 AHN1 31CN2_14.LAZ 2.7 MiB 31CN2_14.LAX 4 kiB 31CN2_14.txt 9 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_14.LAZ 53.9 MiB 31CN2_14.LAX 48 kiB 31CN2_14.txt 11 kiB
AHN3 31CN2_14.LAZ 89.4 MiB 31CN2_14.LAX 16 kiB 31CN2_14.txt 12 kiB
AHN4 31CN2_14.LAZ 286.8 MiB 31CN2_14.LAX 100 kiB 31CN2_14.txt 12 kiB
31CN2_15 AHN1 31CN2_15.LAZ 2.8 MiB 31CN2_15.LAX 4 kiB 31CN2_15.txt 6 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_15.LAZ 52.9 MiB 31CN2_15.LAX 48 kiB 31CN2_15.txt 6 kiB
AHN3 31CN2_15.LAZ 87.4 MiB 31CN2_15.LAX 15 kiB 31CN2_15.txt 7 kiB
AHN4 31CN2_15.LAZ 272.8 MiB 31CN2_15.LAX 100 kiB 31CN2_15.txt 8 kiB
31CN2_16 AHN1 31CN2_16.LAZ 3.1 MiB 31CN2_16.LAX 5 kiB 31CN2_16.txt 11 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_16.LAZ 56.4 MiB 31CN2_16.LAX 52 kiB 31CN2_16.txt 13 kiB
AHN3 31CN2_16.LAZ 140.4 MiB 31CN2_16.LAX 97 kiB 31CN2_16.txt 16 kiB
AHN4 31CN2_16.LAZ 281.9 MiB 31CN2_16.LAX 100 kiB 31CN2_16.txt 16 kiB
31CN2_17 AHN1 31CN2_17.LAZ 3.3 MiB 31CN2_17.LAX 5 kiB 31CN2_17.txt 11 kiB Alphen aan den Rijn AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_17.LAZ 59.7 MiB 31CN2_17.LAX 50 kiB 31CN2_17.txt 13 kiB
AHN3 31CN2_17.LAZ 100.5 MiB 31CN2_17.LAX 93 kiB 31CN2_17.txt 15 kiB
AHN4 31CN2_17.LAZ 320.9 MiB 31CN2_17.LAX 100 kiB 31CN2_17.txt 17 kiB
31CN2_18 AHN1 31CN2_18.LAZ 3.3 MiB 31CN2_18.LAX 5 kiB 31CN2_18.txt 10 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_18.LAZ 58.4 MiB 31CN2_18.LAX 53 kiB 31CN2_18.txt 12 kiB
AHN3 31CN2_18.LAZ 99.6 MiB 31CN2_18.LAX 92 kiB 31CN2_18.txt 14 kiB
AHN4 31CN2_18.LAZ 313.0 MiB 31CN2_18.LAX 99 kiB 31CN2_18.txt 16 kiB
31CN2_19 AHN1 31CN2_19.LAZ 3.1 MiB 31CN2_19.LAX 5 kiB 31CN2_19.txt 12 kiB Zwammerdam AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_19.LAZ 65.2 MiB 31CN2_19.LAX 61 kiB 31CN2_19.txt 14 kiB
AHN3 31CN2_19.LAZ 117.8 MiB 31CN2_19.LAX 91 kiB 31CN2_19.txt 15 kiB
AHN4 31CN2_19.LAZ 345.3 MiB 31CN2_19.LAX 100 kiB 31CN2_19.txt 17 kiB
31CN2_20 AHN1 31CN2_20.LAZ 3.0 MiB 31CN2_20.LAX 5 kiB 31CN2_20.txt 11 kiB Zwammerdam AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_20.LAZ 65.6 MiB 31CN2_20.LAX 60 kiB 31CN2_20.txt 13 kiB
AHN3 31CN2_20.LAZ 122.7 MiB 31CN2_20.LAX 89 kiB 31CN2_20.txt 14 kiB
AHN4 31CN2_20.LAZ 340.9 MiB 31CN2_20.LAX 100 kiB 31CN2_20.txt 16 kiB
31CN2_21 AHN1 31CN2_21.LAZ 2.6 MiB 31CN2_21.LAX 5 kiB 31CN2_21.txt 8 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_21.LAZ 57.5 MiB 31CN2_21.LAX 54 kiB 31CN2_21.txt 10 kiB
AHN3 31CN2_21.LAZ 135.5 MiB 31CN2_21.LAX 78 kiB 31CN2_21.txt 11 kiB
AHN4 31CN2_21.LAZ 292.5 MiB 31CN2_21.LAX 99 kiB 31CN2_21.txt 12 kiB
31CN2_22 AHN1 31CN2_22.LAZ 2.5 MiB 31CN2_22.LAX 4 kiB 31CN2_22.txt 8 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_22.LAZ 57.6 MiB 31CN2_22.LAX 52 kiB 31CN2_22.txt 9 kiB
AHN3 31CN2_22.LAZ 98.0 MiB 31CN2_22.LAX 92 kiB 31CN2_22.txt 10 kiB
AHN4 31CN2_22.LAZ 316.1 MiB 31CN2_22.LAX 100 kiB 31CN2_22.txt 12 kiB
31CN2_23 AHN1 31CN2_23.LAZ 2.8 MiB 31CN2_23.LAX 5 kiB 31CN2_23.txt 8 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_23.LAZ 57.4 MiB 31CN2_23.LAX 51 kiB 31CN2_23.txt 9 kiB
AHN3 31CN2_23.LAZ 97.8 MiB 31CN2_23.LAX 61 kiB 31CN2_23.txt 10 kiB
AHN4 31CN2_23.LAZ 313.2 MiB 31CN2_23.LAX 100 kiB 31CN2_23.txt 12 kiB
31CN2_24 AHN1 31CN2_24.LAZ 3.2 MiB 31CN2_24.LAX 4 kiB 31CN2_24.txt 9 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_24.LAZ 53.6 MiB 31CN2_24.LAX 50 kiB 31CN2_24.txt 11 kiB
AHN3 31CN2_24.LAZ 104.4 MiB 31CN2_24.LAX 96 kiB 31CN2_24.txt 13 kiB
AHN4 31CN2_24.LAZ 312.0 MiB 31CN2_24.LAX 100 kiB 31CN2_24.txt 14 kiB
31CN2_25 AHN1 31CN2_25.LAZ 3.2 MiB 31CN2_25.LAX 4 kiB 31CN2_25.txt 11 kiB Zwammerdam AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 31CN2_25.LAZ 47.4 MiB 31CN2_25.LAX 53 kiB 31CN2_25.txt 12 kiB
AHN3 31CN2_25.LAZ 105.7 MiB 31CN2_25.LAX 95 kiB 31CN2_25.txt 14 kiB
AHN4 31CN2_25.LAZ 319.8 MiB 31CN2_25.LAX 100 kiB 31CN2_25.txt 14 kiB

No guarantee on availability, completeness, correctness or fitness for any particular purpose is implied by the distribution of or linking to this data. The license indicated with the products is to the best of my knowledge at the time of writing. Please confirm the applicable license with the source before integrating the data.