{
    "cells": [
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "<a href=\"https://githubtocolab.com/gee-community/geemap/blob/master/examples/notebooks/98_timelapse_fading.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 ee\n",
                "import geemap"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "Add fading effect to existing GIF."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "url = \"https://i.imgur.com/ZWSZC5z.gif\""
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.show_image(url, verbose=False)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "out_gif = \"gif_fading.gif\""
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.gif_fading(url, out_gif, verbose=False)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.show_image(out_gif)"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "![](https://i.imgur.com/PbK89b6.gif)"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "Create a timelapse from scratch and add fading effect."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map = geemap.Map()\n",
                "Map.add_basemap(\"HYBRID\")\n",
                "Map"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "Sierra Gorda and Spence copper mines, Chile"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "roi = ee.Geometry.Polygon(\n",
                "    [\n",
                "        [\n",
                "            [-69.315491, -22.837104],\n",
                "            [-69.315491, -22.751488],\n",
                "            [-69.190006, -22.751488],\n",
                "            [-69.190006, -22.837104],\n",
                "            [-69.315491, -22.837104],\n",
                "        ]\n",
                "    ]\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map.addLayer(roi, {}, \"ROI\")\n",
                "Map.centerObject(roi)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "title = \"Sierra Gorda copper mines, Chile\"\n",
                "out_gif = \"timelapse.gif\""
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.landsat_timelapse(\n",
                "    roi,\n",
                "    out_gif,\n",
                "    start_year=2004,\n",
                "    end_year=2010,\n",
                "    frames_per_second=1,\n",
                "    title=title,\n",
                "    fading=False,\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.show_image(out_gif)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "out_fading_gif = \"timelapse_fading.gif\""
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.landsat_timelapse(\n",
                "    roi,\n",
                "    out_fading_gif,\n",
                "    start_year=2004,\n",
                "    end_year=2010,\n",
                "    frames_per_second=1,\n",
                "    title=title,\n",
                "    fading=True,\n",
                ")"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "geemap.show_image(out_fading_gif)"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "![](https://i.imgur.com/B4eK6Yn.gif)"
            ]
        }
    ],
    "metadata": {
        "kernelspec": {
            "display_name": "Python 3",
            "language": "python",
            "name": "python3"
        }
    },
    "nbformat": 4,
    "nbformat_minor": 5
}