examples/notebooks/27_timelapse_app.ipynb

{
    "cells": [
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "<a href=\"https://githubtocolab.com/gee-community/geemap/blob/master/examples/notebooks/27_timelapse_app.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": "markdown",
            "metadata": {},
            "source": [
                "## Creating Landsat Timelapse\n",
                "\n",
                "**Steps to create a Landsat timelapse:**\n",
                "\n",
                "1. Pan and zoom to your region of interest.\n",
                "2. Use the drawing tool to draw a rectangle anywhere on the map.\n",
                "3. Adjust the parameters (e.g., start year, end year, title) if needed.\n",
                "4. Check `Download the GIF` if you would like to download the timelapse GIF.\n",
                "5. Click the Submit button to create a timelapse.\n",
                "6. Deploy the app to [heroku](https://www.heroku.com/). See https://github.com/giswqs/earthengine-apps"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "import os\n",
                "import ee\n",
                "import geemap\n",
                "import ipywidgets as widgets"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map = geemap.Map()\n",
                "Map"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "out_dir = os.path.join(os.path.expanduser('~'), 'Downloads')\n",
                "if not os.path.exists(out_dir):\n",
                "    os.makedirs(out_dir)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "style = {'description_width': 'initial'}\n",
                "title = widgets.Text(\n",
                "    description='Title:', value='Landsat Timelapse', width=200, style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "bands = widgets.Dropdown(\n",
                "    description='Select RGB Combo:',\n",
                "    options=[\n",
                "        'Red/Green/Blue',\n",
                "        'NIR/Red/Green',\n",
                "        'SWIR2/SWIR1/NIR',\n",
                "        'NIR/SWIR1/Red',\n",
                "        'SWIR2/NIR/Red',\n",
                "        'SWIR2/SWIR1/Red',\n",
                "        'SWIR1/NIR/Blue',\n",
                "        'NIR/SWIR1/Blue',\n",
                "        'SWIR2/NIR/Green',\n",
                "        'SWIR1/NIR/Red',\n",
                "    ],\n",
                "    value='NIR/Red/Green',\n",
                "    style=style,\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "hbox1 = widgets.HBox([title, bands])\n",
                "hbox1"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "start_year = widgets.IntSlider(\n",
                "    description='Start Year:', value=1984, min=1984, max=2021, style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "end_year = widgets.IntSlider(\n",
                "    description='End Year:', value=2021, min=1984, max=2021, style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "hbox2 = widgets.HBox([start_year, end_year])\n",
                "hbox2"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "speed = widgets.IntSlider(\n",
                "    description='Frames per second:',\n",
                "    tooltip='Frames per second:',\n",
                "    value=10,\n",
                "    min=1,\n",
                "    max=30,\n",
                "    style=style,\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "download = widgets.Checkbox(value=False, description='Download the GIF', style=style)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "hbox3 = widgets.HBox([speed, download])\n",
                "hbox3"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "font_size = widgets.IntSlider(\n",
                "    description='Font size:', value=30, min=10, max=50, style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "font_color = widgets.ColorPicker(\n",
                "    concise=False, description='Font color:', value='white', style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "progress_bar_color = widgets.ColorPicker(\n",
                "    concise=False, description='Progress bar color:', value='blue', style=style\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "hbox4 = widgets.HBox([font_size, font_color, progress_bar_color])\n",
                "hbox4"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "submit = widgets.Button(\n",
                "    description='Submit',\n",
                "    button_style='primary',\n",
                "    tooltip='Click the submit the request to create timelapse',\n",
                "    style=style,\n",
                ")\n",
                "\n",
                "output = widgets.Output()"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "def submit_clicked(b):\n",
                "    with output:\n",
                "        output.clear_output()\n",
                "        if start_year.value >= end_year.value:\n",
                "            print('The end year must be great than the start year.')\n",
                "            return\n",
                "        print('Computing...')\n",
                "\n",
                "        Map.add_landsat_ts_gif(\n",
                "            roi=Map.user_roi,\n",
                "            label=title.value,\n",
                "            start_year=start_year.value,\n",
                "            end_year=end_year.value,\n",
                "            start_date='05-01',\n",
                "            end_date='10-31',\n",
                "            bands=bands.value.split('/'),\n",
                "            font_color=font_color.value,\n",
                "            frames_per_second=speed.value,\n",
                "            font_size=font_size.value,\n",
                "            progress_bar_color=progress_bar_color.value,\n",
                "            download=download.value,\n",
                "        )\n",
                "\n",
                "\n",
                "submit.on_click(submit_clicked)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "submit"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "output"
            ]
        }
    ],
    "metadata": {
        "kernelspec": {
            "display_name": "Python 3",
            "language": "python",
            "name": "python3"
        }
    },
    "nbformat": 4,
    "nbformat_minor": 5
}