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Stefan Kuethe
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Add MVT layer
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‎docs/concepts/controls.md

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Controls are user interface elements that you can add to your map:
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```python
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-8<-- "concepts/controls.py"
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```
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> See [Controls API](../../api/controls/)

‎docs/concepts/geopandas.md

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# GeoPandas
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Python-OpenLayers shipes with a [GeoPandas](https://geopandas.org/) extension:
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```python
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-8<-- "concepts/geopandas.py"
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```

‎docs/concepts/layers.md

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# Layers and sources
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Sources and layers are used to display _raster_ or _vector_ data on your map.
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## Sources
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Sources state which data the map should display.
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```python
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-8<-- "concepts/sources.py"
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```
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> See [Sources API](../../api/layers/)
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## Layers
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A layer defines how a source is displayed on the map:
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```python
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-8<-- "concepts/layers.py"
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```
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> See [Layers API](../../api/layers/)
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## Styles
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...

‎docs/concepts/map.md

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-8<-- "concepts/basic_map.py"
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```
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## View
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## View state
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The view state of the map ...
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Properties such as _center_, _zoom level_ and _projection_ are managed by the [View](../../api/map/#openlayers.view.View) instance:
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```python
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-8<-- "concepts/view.py"
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```
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## Basemaps
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> See [BasemapLayer](../../api/basemaps/#openlayers.Basemaps.BasemapLayer)
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A basemap in openlayers consists of one or more layers from your layer stack:
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```python
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-8<-- "concepts/basemaps.py"
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```
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> See [BasemapLayer API](../../api/basemaps/#openlayers.Basemaps.BasemapLayer)
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If you hand over an empty layer stack to your map, a blank background is displayed:
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```python
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m = ol.Map(layers=[])
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```

‎docs/examples/concepts/basemaps.py

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import openlayers as ol
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# Use OSM basemap
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m = ol.Map(layers=[ol.BasemapLayer.osm()])
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# Use a CartoDB basemap
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m = ol.Map(layers=[ol.BasemapLayer.carto()])

‎docs/examples/concepts/basic_map.py

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# Add components after initialization
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m.add_control(ol.FullScreenControl())
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# m.add_view_call("setZoom", 5)
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m.set_zoom(12)
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m.set_center(lonlat=(-122.4, 37.74))
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m.save()

‎docs/examples/concepts/controls.py

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import openlayers as ol
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# Add controls during initialization
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m = ol.Map(controls=[ol.ZoomSliderControl(), ol.OverviewMapControl()])
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# Add components after initialization
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m.add_control(ol.ScaleLineControl(units="degrees"))

‎docs/examples/concepts/geopandas.py

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import openlayers as ol
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from openlayers.geopandas import GeoDataFrame
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data = "https://openlayers.org/en/latest/examples/data/geojson/roads-seoul.geojson"
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m = GeoDataFrame.from_file(data).ol.explore(tooltip=True)
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m.add_control(ol.ScaleLineControl())

‎docs/examples/concepts/layers.py

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import openlayers as ol
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data = "https://openlayers.org/en/latest/examples/data/geojson/roads-seoul.geojson"
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geojson_layer = ol.VectorLayer(
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id="roads",
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source=ol.VectorSource(url=data),
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fit_bounds=True,
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)
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m = ol.Map(
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ol.View(rotation=3.14 / 8),
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layers=[ol.BasemapLayer.carto(), geojson_layer]
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)
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m.add_default_tooltip()

‎docs/examples/concepts/sources.py

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import openlayers as ol
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geojson = "https://openlayers.org/en/latest/examples/data/geojson/roads-seoul.geojson"
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geotiff = "https://s2downloads.eox.at/demo/EOxCloudless/2020/rgbnir/s2cloudless2020-16bits_sinlge-file_z0-4.tif"
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pmtiles = "https://r2-public.protomaps.com/protomaps-sample-datasets/nz-buildings-v3.pmtiles"
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geojson_source = ol.VectorSource(
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url=geojson
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)
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geotiff_source = ol.GeoTIFFSource(
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sources=[{"url": geotiff}]
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)
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pmtiles_source = ol.PMTilesVectorSource(
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url=pmtiles,
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attributions=["© Land Information New Zealand"]
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)

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