GeoTiles

Map - Town index - Tile index

Relevant towns and neighbourhoods

Almere-Buiten (woonkern)Almere-Stad (woonkern)Tussen de Vaarten (wijk)Verzetswijk (wijk)Parkwijk (wijk)Waterwijk (wijk)Sallandsekant (wijk)

Tile 26AZ2

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 26az2.laz 10.1 MiB 26az2.lax 20 kiB 26az2.txt 10 kiB Stuurgroep AHN, public domain
Non-ground 26az2.laz 852 kiB 26az2.lax 56 kiB 26az2.txt 8 kiB Stuurgroep AHN, public domain
Merged 26AZ2.LAZ 11.0 MiB 26AZ2.LAX 22 kiB 26AZ2.txt 11 kiB Stuurgroep AHN (merged product by GeoTiles)
Colored Available for sub-units only, zoom in to select. Remixed by GeoTiles*
AHN2 Ground g26az2.laz 348.9 MiB g26az2.lax 344 kiB g26az2.txt 5 kiB Stuurgroep AHN, public domain
Non-ground u26az2.laz 950.9 MiB u26az2.lax 526 kiB u26az2.txt 19 kiB Stuurgroep AHN, public domain
Merged 26AZ2.LAZ 1.3 GiB 26AZ2.LAX 2.0 MiB 26AZ2.txt 19 kiB Stuurgroep AHN (merged product by GeoTiles)
Colored Available for sub-units only, zoom in to select. Remixed by GeoTiles*
AHN3 Original C_26AZ2.LAZ 2.4 GiB C_26AZ2.LAX 2.0 MiB C_26AZ2.txt 19 kiB Stuurgroep AHN, public domain
Colored Available for sub-units only, zoom in to select. Remixed by GeoTiles*
AHN4 Original C_26AZ2.LAZ 9.3 GiB C_26AZ2.LAX 2.0 MiB C_26AZ2.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 26az2.tif.zip public domain
AHN2 r26az2.tif.zip ahn2_5_26az2.tif.zip i26az2.tif.zip public domain *
AHN3 R5_26AZ2.zip R_26AZ2.zip M5_26AZ2.zip M_26AZ2.zip CC-0
AHN4 R5_26AZ2.zip R_26AZ2.zip M5_26AZ2.zip M_26AZ2.zip CC-0 [1, 2, 3, 4]

Aerial photograph

Year Version GeoTiff Source License
2016 RGB RGB_26AZ2.tiff 73.6 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 72.8 MiB CC-BY 4.0
2017 RGB RGB_26AZ2.tiff 67.8 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 67.3 MiB CC-BY 4.0
2018 RGB RGB_26AZ2.tiff 79.3 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 79.3 MiB CC-BY 4.0
2019 RGB RGB_26AZ2.tiff 71.5 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 68.0 MiB CC-BY 4.0
2020 RGB RGB_26AZ2.tiff 68.7 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 66.5 MiB CC-BY 4.0
2022 RGB RGB_26AZ2.tiff 72.2 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 74.2 MiB CC-BY 4.0
2023 RGB RGB_26AZ2.tiff 79.1 MiB Beeldmateriaal CC-BY 4.0
CIR CIR_26AZ2.tiff 79.8 MiB CC-BY 4.0

Sub-tiles 26AZ2

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
26AZ2_01 AHN1 26AZ2_01.LAZ 711 kiB 26AZ2_01.LAX 3 kiB 26AZ2_01.txt 7 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_01.LAZ 81.5 MiB 26AZ2_01.LAX 90 kiB 26AZ2_01.txt 10 kiB
AHN3 26AZ2_01.LAZ 120.4 MiB 26AZ2_01.LAX 81 kiB 26AZ2_01.txt 12 kiB
AHN4 26AZ2_01.LAZ 437.7 MiB 26AZ2_01.LAX 94 kiB 26AZ2_01.txt 13 kiB
26AZ2_02 AHN1 26AZ2_02.LAZ 824 kiB 26AZ2_02.LAX 4 kiB 26AZ2_02.txt 8 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_02.LAZ 124.9 MiB 26AZ2_02.LAX 95 kiB 26AZ2_02.txt 13 kiB
AHN3 26AZ2_02.LAZ 162.0 MiB 26AZ2_02.LAX 92 kiB 26AZ2_02.txt 14 kiB
AHN4 26AZ2_02.LAZ 578.2 MiB 26AZ2_02.LAX 98 kiB 26AZ2_02.txt 15 kiB
26AZ2_03 AHN1 26AZ2_03.LAZ 844 kiB 26AZ2_03.LAX 4 kiB 26AZ2_03.txt 8 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_03.LAZ 100.2 MiB 26AZ2_03.LAX 93 kiB 26AZ2_03.txt 12 kiB
AHN3 26AZ2_03.LAZ 142.2 MiB 26AZ2_03.LAX 85 kiB 26AZ2_03.txt 14 kiB
AHN4 26AZ2_03.LAZ 510.7 MiB 26AZ2_03.LAX 99 kiB 26AZ2_03.txt 15 kiB
26AZ2_04 AHN1 26AZ2_04.LAZ 746 kiB 26AZ2_04.LAX 4 kiB 26AZ2_04.txt 6 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_04.LAZ 60.6 MiB 26AZ2_04.LAX 79 kiB 26AZ2_04.txt 8 kiB
AHN3 26AZ2_04.LAZ 97.9 MiB 26AZ2_04.LAX 70 kiB 26AZ2_04.txt 8 kiB
AHN4 26AZ2_04.LAZ 350.4 MiB 26AZ2_04.LAX 93 kiB 26AZ2_04.txt 9 kiB
26AZ2_05 AHN1 26AZ2_05.LAZ 746 kiB 26AZ2_05.LAX 4 kiB 26AZ2_05.txt 6 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_05.LAZ 69.2 MiB 26AZ2_05.LAX 67 kiB 26AZ2_05.txt 7 kiB
AHN3 26AZ2_05.LAZ 77.1 MiB 26AZ2_05.LAX 59 kiB 26AZ2_05.txt 7 kiB
AHN4 26AZ2_05.LAZ 362.0 MiB 26AZ2_05.LAX 97 kiB 26AZ2_05.txt 8 kiB
26AZ2_06 AHN1 26AZ2_06.LAZ 913 kiB 26AZ2_06.LAX 4 kiB 26AZ2_06.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_06.LAZ 110.3 MiB 26AZ2_06.LAX 99 kiB 26AZ2_06.txt 13 kiB
AHN3 26AZ2_06.LAZ 151.9 MiB 26AZ2_06.LAX 88 kiB 26AZ2_06.txt 15 kiB
AHN4 26AZ2_06.LAZ 492.9 MiB 26AZ2_06.LAX 100 kiB 26AZ2_06.txt 16 kiB
26AZ2_07 AHN1 26AZ2_07.LAZ 920 kiB 26AZ2_07.LAX 4 kiB 26AZ2_07.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_07.LAZ 135.1 MiB 26AZ2_07.LAX 99 kiB 26AZ2_07.txt 12 kiB
AHN3 26AZ2_07.LAZ 176.1 MiB 26AZ2_07.LAX 95 kiB 26AZ2_07.txt 14 kiB
AHN4 26AZ2_07.LAZ 572.9 MiB 26AZ2_07.LAX 100 kiB 26AZ2_07.txt 15 kiB
26AZ2_08 AHN1 26AZ2_08.LAZ 923 kiB 26AZ2_08.LAX 4 kiB 26AZ2_08.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_08.LAZ 176.4 MiB 26AZ2_08.LAX 100 kiB 26AZ2_08.txt 13 kiB
AHN3 26AZ2_08.LAZ 186.6 MiB 26AZ2_08.LAX 97 kiB 26AZ2_08.txt 15 kiB
AHN4 26AZ2_08.LAZ 675.9 MiB 26AZ2_08.LAX 100 kiB 26AZ2_08.txt 17 kiB
26AZ2_09 AHN1 26AZ2_09.LAZ 938 kiB 26AZ2_09.LAX 4 kiB 26AZ2_09.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_09.LAZ 168.9 MiB 26AZ2_09.LAX 96 kiB 26AZ2_09.txt 15 kiB
AHN3 26AZ2_09.LAZ 185.5 MiB 26AZ2_09.LAX 89 kiB 26AZ2_09.txt 16 kiB
AHN4 26AZ2_09.LAZ 680.7 MiB 26AZ2_09.LAX 98 kiB 26AZ2_09.txt 18 kiB
26AZ2_10 AHN1 26AZ2_10.LAZ 907 kiB 26AZ2_10.LAX 4 kiB 26AZ2_10.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_10.LAZ 83.2 MiB 26AZ2_10.LAX 95 kiB 26AZ2_10.txt 12 kiB
AHN3 26AZ2_10.LAZ 112.9 MiB 26AZ2_10.LAX 76 kiB 26AZ2_10.txt 14 kiB
AHN4 26AZ2_10.LAZ 468.0 MiB 26AZ2_10.LAX 100 kiB 26AZ2_10.txt 15 kiB
26AZ2_11 AHN1 26AZ2_11.LAZ 764 kiB 26AZ2_11.LAX 3 kiB 26AZ2_11.txt 10 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_11.LAZ 110.3 MiB 26AZ2_11.LAX 94 kiB 26AZ2_11.txt 13 kiB
AHN3 26AZ2_11.LAZ 122.3 MiB 26AZ2_11.LAX 78 kiB 26AZ2_11.txt 15 kiB
AHN4 26AZ2_11.LAZ 422.7 MiB 26AZ2_11.LAX 99 kiB 26AZ2_11.txt 16 kiB
26AZ2_12 AHN1 26AZ2_12.LAZ 922 kiB 26AZ2_12.LAX 3 kiB 26AZ2_12.txt 10 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_12.LAZ 159.4 MiB 26AZ2_12.LAX 99 kiB 26AZ2_12.txt 15 kiB
AHN3 26AZ2_12.LAZ 159.8 MiB 26AZ2_12.LAX 95 kiB 26AZ2_12.txt 16 kiB
AHN4 26AZ2_12.LAZ 538.4 MiB 26AZ2_12.LAX 100 kiB 26AZ2_12.txt 17 kiB
26AZ2_13 AHN1 26AZ2_13.LAZ 1013 kiB 26AZ2_13.LAX 4 kiB 26AZ2_13.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_13.LAZ 136.2 MiB 26AZ2_13.LAX 100 kiB 26AZ2_13.txt 13 kiB
AHN3 26AZ2_13.LAZ 180.8 MiB 26AZ2_13.LAX 96 kiB 26AZ2_13.txt 14 kiB
AHN4 26AZ2_13.LAZ 593.8 MiB 26AZ2_13.LAX 100 kiB 26AZ2_13.txt 16 kiB
26AZ2_14 AHN1 26AZ2_14.LAZ 1.0 MiB 26AZ2_14.LAX 4 kiB 26AZ2_14.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_14.LAZ 101.5 MiB 26AZ2_14.LAX 98 kiB 26AZ2_14.txt 12 kiB
AHN3 26AZ2_14.LAZ 132.1 MiB 26AZ2_14.LAX 94 kiB 26AZ2_14.txt 19 kiB
AHN4 26AZ2_14.LAZ 475.7 MiB 26AZ2_14.LAX 100 kiB 26AZ2_14.txt 18 kiB
26AZ2_15 AHN1 26AZ2_15.LAZ 1019 kiB 26AZ2_15.LAX 4 kiB 26AZ2_15.txt 8 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_15.LAZ 94.8 MiB 26AZ2_15.LAX 83 kiB 26AZ2_15.txt 13 kiB
AHN3 26AZ2_15.LAZ 125.2 MiB 26AZ2_15.LAX 91 kiB 26AZ2_15.txt 14 kiB
AHN4 26AZ2_15.LAZ 473.8 MiB 26AZ2_15.LAX 100 kiB 26AZ2_15.txt 21 kiB
26AZ2_16 AHN1 26AZ2_16.LAZ 985 kiB 26AZ2_16.LAX 4 kiB 26AZ2_16.txt 9 kiB Almere-Stad, Tussen de Vaarten, Almere-Buiten, Waterwijk, Verzetswijk AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_16.LAZ 121.3 MiB 26AZ2_16.LAX 97 kiB 26AZ2_16.txt 15 kiB
AHN3 26AZ2_16.LAZ 141.5 MiB 26AZ2_16.LAX 86 kiB 26AZ2_16.txt 15 kiB
AHN4 26AZ2_16.LAZ 489.0 MiB 26AZ2_16.LAX 100 kiB 26AZ2_16.txt 16 kiB
26AZ2_17 AHN1 26AZ2_17.LAZ 1002 kiB 26AZ2_17.LAX 3 kiB 26AZ2_17.txt 9 kiB Almere-Buiten, Tussen de Vaarten, Almere-Stad AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_17.LAZ 109.0 MiB 26AZ2_17.LAX 98 kiB 26AZ2_17.txt 13 kiB
AHN3 26AZ2_17.LAZ 144.1 MiB 26AZ2_17.LAX 92 kiB 26AZ2_17.txt 14 kiB
AHN4 26AZ2_17.LAZ 549.5 MiB 26AZ2_17.LAX 100 kiB 26AZ2_17.txt 15 kiB
26AZ2_18 AHN1 26AZ2_18.LAZ 956 kiB 26AZ2_18.LAX 3 kiB 26AZ2_18.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_18.LAZ 110.6 MiB 26AZ2_18.LAX 94 kiB 26AZ2_18.txt 21 kiB
AHN3 26AZ2_18.LAZ 131.1 MiB 26AZ2_18.LAX 98 kiB 26AZ2_18.txt 17 kiB
AHN4 26AZ2_18.LAZ 465.6 MiB 26AZ2_18.LAX 100 kiB 26AZ2_18.txt 20 kiB
26AZ2_19 AHN1 26AZ2_19.LAZ 996 kiB 26AZ2_19.LAX 3 kiB 26AZ2_19.txt 9 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_19.LAZ 93.9 MiB 26AZ2_19.LAX 74 kiB 26AZ2_19.txt 19 kiB
AHN3 26AZ2_19.LAZ 130.7 MiB 26AZ2_19.LAX 87 kiB 26AZ2_19.txt 20 kiB
AHN4 26AZ2_19.LAZ 506.9 MiB 26AZ2_19.LAX 100 kiB 26AZ2_19.txt 21 kiB
26AZ2_20 AHN1 26AZ2_20.LAZ 1017 kiB 26AZ2_20.LAX 4 kiB 26AZ2_20.txt 10 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_20.LAZ 83.2 MiB 26AZ2_20.LAX 68 kiB 26AZ2_20.txt 18 kiB
AHN3 26AZ2_20.LAZ 113.7 MiB 26AZ2_20.LAX 84 kiB 26AZ2_20.txt 18 kiB
AHN4 26AZ2_20.LAZ 452.8 MiB 26AZ2_20.LAX 100 kiB 26AZ2_20.txt 20 kiB
26AZ2_21 AHN1 26AZ2_21.LAZ 1013 kiB 26AZ2_21.LAX 3 kiB 26AZ2_21.txt 10 kiB Almere-Stad, Verzetswijk, Tussen de Vaarten, Parkwijk, Waterwijk AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_21.LAZ 106.9 MiB 26AZ2_21.LAX 85 kiB 26AZ2_21.txt 13 kiB
AHN3 26AZ2_21.LAZ 137.0 MiB 26AZ2_21.LAX 92 kiB 26AZ2_21.txt 14 kiB
AHN4 26AZ2_21.LAZ 471.0 MiB 26AZ2_21.LAX 100 kiB 26AZ2_21.txt 16 kiB
26AZ2_22 AHN1 26AZ2_22.LAZ 1.0 MiB 26AZ2_22.LAX 4 kiB 26AZ2_22.txt 9 kiB Tussen de Vaarten, Almere-Stad, Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_22.LAZ 105.1 MiB 26AZ2_22.LAX 88 kiB 26AZ2_22.txt 18 kiB
AHN3 26AZ2_22.LAZ 127.7 MiB 26AZ2_22.LAX 92 kiB 26AZ2_22.txt 18 kiB
AHN4 26AZ2_22.LAZ 476.6 MiB 26AZ2_22.LAX 100 kiB 26AZ2_22.txt 20 kiB
26AZ2_23 AHN1 26AZ2_23.LAZ 1.0 MiB 26AZ2_23.LAX 4 kiB 26AZ2_23.txt 8 kiB Almere-Buiten, Almere-Stad, Tussen de Vaarten, Sallandsekant AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_23.LAZ 112.1 MiB 26AZ2_23.LAX 96 kiB 26AZ2_23.txt 18 kiB
AHN3 26AZ2_23.LAZ 146.3 MiB 26AZ2_23.LAX 90 kiB 26AZ2_23.txt 19 kiB
AHN4 26AZ2_23.LAZ 520.3 MiB 26AZ2_23.LAX 100 kiB 26AZ2_23.txt 20 kiB
26AZ2_24 AHN1 26AZ2_24.LAZ 1.0 MiB 26AZ2_24.LAX 4 kiB 26AZ2_24.txt 10 kiB Almere-Buiten AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_24.LAZ 135.9 MiB 26AZ2_24.LAX 96 kiB 26AZ2_24.txt 20 kiB
AHN3 26AZ2_24.LAZ 192.8 MiB 26AZ2_24.LAX 89 kiB 26AZ2_24.txt 20 kiB
AHN4 26AZ2_24.LAZ 601.3 MiB 26AZ2_24.LAX 100 kiB 26AZ2_24.txt 20 kiB
26AZ2_25 AHN1 26AZ2_25.LAZ 907 kiB 26AZ2_25.LAX 4 kiB 26AZ2_25.txt 8 kiB AHN (stuurgroep AHN, public data) and aerial photograph (Beeldmateriaal, CC-BY) remixed by GeoTiles, CC-BY
AHN2 26AZ2_25.LAZ 78.0 MiB 26AZ2_25.LAX 89 kiB 26AZ2_25.txt 11 kiB
AHN3 26AZ2_25.LAZ 105.2 MiB 26AZ2_25.LAX 82 kiB 26AZ2_25.txt 13 kiB
AHN4 26AZ2_25.LAZ 380.4 MiB 26AZ2_25.LAX 100 kiB 26AZ2_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.