kopia lustrzana https://github.com/anitagraser/ogd-at-lab
101 wiersze
2.4 KiB
Plaintext
101 wiersze
2.4 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Getting Elevation Info From the Austrian Elevation Service\n",
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"\n",
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"[](https://mybinder.org/v2/gh/anitagraser/ogd-at-lab/main?urlpath=lab/tree/notebooks/elevation.ipynb)\n",
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"\n",
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"Homepage of the service: https://maegger.github.io/getAustrianElevation.html (Copyright (c) 2017, Manfred Egger)\n",
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"\n",
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"Related QGIS plugin: https://github.com/maegger/AustrianElevation\n",
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"\n",
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"Elevation data source: CC BY 3.0 AT http://geoland.at/ \n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"import hvplot.pandas\n",
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"from geopy.geocoders import Nominatim\n",
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"from utils.dataaccess import get_elevation\n",
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"from utils.converting import location_to_gdf"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"address = \"Stephansdom, Wien\"\n",
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"locator = Nominatim(user_agent=\"OGD.AT-Lab\")\n",
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"location = locator.geocode(address)\n",
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"print(location.address)\n",
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"print(\"Latitude = {}, Longitude = {}\".format(location.latitude, location.longitude))\n",
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"gdf = location_to_gdf(location, address)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Before we can query the elevation, we need to reproject the coordinates to EPSG:3857"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"gdf = gdf.to_crs('epsg:3857')\n",
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"gdf"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"gdf.loc[0, 'elevation'] = get_elevation(gdf.iloc[0].geometry)\n",
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"gdf.to_crs('epsg:4326')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.8"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}
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