This tool download tiles from map server for all zoom levels specified. Specify a geojson file with one or more polygons to limit area for download if needed.
Clone repo or download Dist package.
Run command line application with following parameters:
| Parameter | Description | Default | Example |
|---|---|---|---|
| -h, --help | Display help text | ||
| --tiles | Tiles url | http://opencache.statkart.no/gatekeeper/gk/gk.open_gmaps?layers=norgeskart_bakgrunn&zoom={z}&x={x}&y={y} | |
| --min | Lowest zoom level | 1 | |
| --max | Highest zoom level. Max zoom level for tiles is often between 17 and 22. Be aware! Level 16 and above gives a lot of tiles to download! | 10 | |
| --path | Path to save tiles | Current folder | "C:\tmp" |
| --geojson | Full path to geojson file with polygon areas to download. If no file specified, download the whole world. | varslingsomraader.json | |
| --name | Feature property from geosjon to use as name | OMRAADENAV | |
| --value | Feature property value in named property. If empty, download all areas. | Hallingdal | |
| --imageformat | Image format to save tiles. Use the same as result from tiles url. | png | |
| --writereport | Write HTML report at end | true | |
| --parallell | Number of tiles to download in parallell. Increase to download faster, but tiles server might be overloaded! | 4 | |
| --skipexisting | Skip download tile if file already exists in folder | false | |
| --debug | Debug number of tiles and estimated size | false |
Download polygon with property OMRAADENAV="Lofoten and Vesterålen" from geojson file "varslingsomraader.json" in zoom levels 1 - 15 and save to path "C:\tmp"
regObs.TilesDownloadConsoleApp.exe --max 15 --geojson "varslingsomraader.json" --name "OMRAADENAV" --value "Lofoten og Vesterålen" --path "C:\tmp"
Download all polygons from geojson file "kommuner.json" in zoom levels 1 - 15 and save to path "C:\tmp"
regObs.TilesDownloadConsoleApp.exe --max 15 --geojson "kommuner.json" --path "C:\tmp"
regObs.TilesDownloadConsoleApp.exe --max 5 tiles ""
regObs.TilesDownloadConsoleApp.exe --max 15 --geojson "kommuner.json" --name "NAVN" --debug true
View downloaded tiles by opening the test.html in the directory of the downloaded files. Set folder to use in the top right folder control.
Regions in varslingsomraader.json is taken from https://github.com/ragnarekker/varsomdata/tree/master/varsomdata/input/forecastregionshapes and converted to Lat Lng coordinates using: https://ogre.adc4gis.com/ Target SRS: +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs (Create a zip package containing the .shp, dbf, .prj, etc files.)
| Area | Zoom levels | Tiles | Size |
|---|---|---|---|
| Hallingdal | 1-16 | 129 330 | 3,51 GB |