examples/notebooks/42_upload_data.ipynb

{
    "cells": [
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "<a href=\"https://githubtocolab.com/gee-community/geemap/blob/master/examples/notebooks/42_upload_data.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open in Colab\"/></a>\n",
                "\n",
                "Uncomment the following line to install [geemap](https://geemap.org) if needed."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "# !pip install geemap"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "import os\n",
                "import ee\n",
                "import geemap\n",
                "import ipywidgets as widgets\n",
                "from ipyleaflet import WidgetControl"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map = geemap.Map(center=(40, -100), zoom=4, height='750px')"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "# Add Earth Engine dataset\n",
                "dem = ee.Image('USGS/SRTMGL1_003')\n",
                "\n",
                "# Set visualization parameters.\n",
                "vis_params = {\n",
                "    'min': 0,\n",
                "    'max': 4000,\n",
                "    'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5'],\n",
                "}\n",
                "\n",
                "# Add Earth Engine layers to Map\n",
                "Map.addLayer(dem, vis_params, 'SRTM DEM', True, 0.7)\n",
                "\n",
                "Map"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "output_widget = widgets.Output(layout={'border': '1px solid black'})\n",
                "output_control = WidgetControl(widget=output_widget, position='bottomright')\n",
                "Map.add_control(output_control)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "style = {'description_width': 'initial'}\n",
                "uploader = widgets.FileUpload(\n",
                "    description='Upload data',\n",
                "    accept='.zip, .json, .geojson',\n",
                "    multiple=False,\n",
                "    button_style='primary',\n",
                "    style=style,\n",
                ")\n",
                "\n",
                "submit = widgets.Button(\n",
                "    description='Display data', button_style='success', tooltip='Click me', style=style\n",
                ")\n",
                "\n",
                "reset = widgets.Button(\n",
                "    description='Reset', button_style='warning', tooltip='Click me', style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "with output_widget:\n",
                "    print('Upload shapefile or \\ngeojson as a zip file')\n",
                "    display(uploader)\n",
                "    display(submit)\n",
                "    display(reset)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "def get_vector(upload_widget, out_dir=None):\n",
                "    import zipfile\n",
                "    import glob\n",
                "\n",
                "    if out_dir is None:\n",
                "        out_dir = os.path.join(os.path.expanduser('~'), 'Downloads')\n",
                "    if not os.path.exists(out_dir):\n",
                "        os.makedirs(out_dir)\n",
                "\n",
                "    vector = None\n",
                "\n",
                "    try:\n",
                "        [uploaded_file] = upload_widget.value\n",
                "        file = upload_widget.value[0]\n",
                "        name = file['name']\n",
                "        content = file['content']\n",
                "        out_file = os.path.join(out_dir, name)\n",
                "        with open(out_file, \"wb\") as fp:\n",
                "            fp.write(content)\n",
                "\n",
                "        if name.endswith('.zip'):\n",
                "            with zipfile.ZipFile(out_file, \"r\") as zip_ref:\n",
                "                extract_dir = os.path.join(\n",
                "                    out_dir, name[:-4] + \"_\" + geemap.random_string(3)\n",
                "                )\n",
                "                zip_ref.extractall(extract_dir)\n",
                "                files = glob.glob(extract_dir + '/*.shp')\n",
                "                if len(files) > 0:\n",
                "                    shp = files[0]\n",
                "                    vector = geemap.shp_to_ee(shp)\n",
                "                else:\n",
                "                    files = glob.glob(extract_dir + '/*.geojson')\n",
                "                    if len(files) > 0:\n",
                "                        geojson = files[0]\n",
                "                        vector = geemap.geojson_to_ee(geojson)\n",
                "        else:\n",
                "            vector = geemap.geojson_to_ee(out_file)\n",
                "\n",
                "    except Exception as e:\n",
                "        print(e)\n",
                "\n",
                "    return vector"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "def submit_clicked(b):\n",
                "    if len(uploader.value) > 0:\n",
                "        Map.default_style = {'cursor': 'wait'}\n",
                "        try:\n",
                "            fc = get_vector(uploader)\n",
                "            layer_name = 'Layer ' + geemap.random_string(3)\n",
                "            Map.addLayer(fc, {}, layer_name)\n",
                "            Map.centerObject(fc)\n",
                "            uploader.value = ()\n",
                "        except Exception as e:\n",
                "            print(e)\n",
                "        Map.default_style = {'cursor': 'pointer'}\n",
                "\n",
                "\n",
                "submit.on_click(submit_clicked)\n",
                "\n",
                "\n",
                "def reset_clicked(b):\n",
                "    Map.layers = Map.layers[:3]\n",
                "    output_widget.clear_output()\n",
                "    with output_widget:\n",
                "        print('Upload shapefile or \\ngeojson as a zip file')\n",
                "        display(uploader)\n",
                "        display(submit)\n",
                "        display(reset)\n",
                "    uploader.value = ()\n",
                "\n",
                "\n",
                "reset.on_click(reset_clicked)"
            ]
        }
    ],
    "metadata": {
        "kernelspec": {
            "display_name": "Python 3",
            "language": "python",
            "name": "python3"
        }
    },
    "nbformat": 4,
    "nbformat_minor": 5
}