Add geotiff example

Author: Stefan Kuethe

examples/standalone/layers/express_vector_layer.py

@@ -0,0 +1,17 @@
+import openlayers as ol
+import openlayers.express as ox
+
+data = "https://openlayers.org/data/vector/populated-places.json"
+
+m = ox.Vector(
+    data, fit_bounds=False, style=ox.default_style(circle_fill_color="red")
+).explore()
+# m.save()
+
+m = ox.Vector(
+    data="https://openlayers.org/en/latest/examples/data//kml/states.kml",
+    # style=None,
+    webgl=True
+    # data="https://openlayers.org/en/latest/examples/data/gpx/fells_loop.gpx"
+).explore()
+m.save()

examples/standalone/layers/geotiff_tile_layer.py

@@ -0,0 +1,17 @@
+# See https://openlayers.org/en/latest/examples/cog-overviews.html
+import openlayers as ol
+
+layer = ol.WebGLTileLayer(
+    source=ol.GeoTIFFSource(
+        sources=[
+            dict(
+                url="https://openlayers.org/data/raster/no-overviews.tif",
+                overviews=["https://openlayers.org/data/raster/no-overviews.tif.ovr"],
+            )
+        ]
+    )
+)
+
+m = ol.Map(layers=[layer])
+m.set_view_from_source(layer.id)
+m.save()

examples/standalone/layers/kml_vector_layer.py

@@ -8,7 +8,7 @@
 )
 
 m = ol.Map()
-# m.add_layer(kml_layer)
+m.add_layer(kml_layer)
 # m.add_tooltip()
 # m.add_call("addDragAndDropVectorLayers")
 m.add_drag_and_drop_vector_layers_interaction(
@@ -17,5 +17,4 @@
         stroke_color="red", stroke_width=3, circle_radius=5, circle_stroke_color="green"
     ),
 )
-m.add_call("addDrawInteraction", "LineString")
 m.save("/tmp/ol-example.html")

examples/standalone/layers/mvt_vector_layer.py

@@ -1,3 +1,4 @@
+# VectorTileLayer: https://unpkg.com/world-atlas@1.1.4/world/50m.json
 import openlayers as ol
 
 mvt_layer = ol.layers.VectorTileLayer(

src/openlayers/express.py

@@ -12,6 +12,7 @@
 from .models.sources import GeoTIFFSource, VectorSource
 from .models.view import View
 from .styles import FlatStyle, default_style
+from .models.formats import Format, GeoJSON, KML, GPX
 
 
 class GeoTIFFTileLayer(LayerLike):
@@ -33,13 +34,55 @@ def to_map(self, *args, **kwargs) -> Map:
         return m
 
 
-#class VectorLayer(LayerLike): ...
+# class VectorLayer(LayerLike): ...
 
-#class GPXLayer(VectorLayer): ...
+# class GPXLayer(VectorLayer): ...
 
-#class GeoJSONLayer(VectorLayer): ...
+# class GeoJSONLayer(VectorLayer): ...
 
-#class TopoJSONLayer(VectorLayer): ...
+# class TopoJSONLayer(VectorLayer): ...
+
+
+class Vector(LayerLike):
+    def __init__(
+        self,
+        data: str | dict,
+        id: str = None,
+        style=default_style(),
+        fit_bounds: bool = True,
+        format: Format = None,
+        webgl: bool = True,
+        **kwargs,
+    ) -> None:
+        source = (
+            VectorSource(url=data)
+            if isinstance(data, str)
+            else VectorSource(geojson=data)
+        )
+        if not format and source.url:
+            url = source.url.lower()
+            if url.endswith(".kml"):
+                format = KML()
+            elif url.endswith(".gpx"):
+                format = GPX()
+
+        source.format = format or GeoJSON()
+        Layer = WebGLVectorLayer if webgl else VectorLayer
+        self._model = Layer(
+            source=source, id=id, fit_bounds=fit_bounds, style=style, **kwargs
+        )
+
+    def explore(self, tooltip: bool = True, **kwargs) -> Map | MapWidget:
+        m = Map(**kwargs)
+        m.add_layer(self._model)
+        if tooltip:
+            m.add_default_tooltip()
+
+        return m
+
+    @property
+    def model(self) -> VectorLayer | WebGLVectorLayer:
+        return self._model
 
 
 # TODO: Move to VectorLayer

src/openlayers/models/layers.py

@@ -31,7 +31,7 @@ class TileLayer(Layer): ...
 
 
 class VectorLayer(Layer):
-    style: dict | FlatStyle = default_style()
+    style: dict | FlatStyle | None = default_style()
     fit_bounds: bool = Field(False, serialization_alias="fitBounds")
 
     @field_validator("style")