{
    "cells": [
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "<a href=\"https://githubtocolab.com/gee-community/geemap/blob/master/examples/notebooks/117_fishnet.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open in Colab\"/></a>\n",
                "\n",
                "**Creating a fishnet based on an input vector dataset**\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 -U geemap"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "import ee\n",
                "import geemap"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map = geemap.Map()\n",
                "Map"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "Simply draw a rectangle or polyon on the map use to used as an ROI."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "data = Map.user_roi\n",
                "\n",
                "if data is None:\n",
                "    data = ee.Geometry.BBox(-112.8089, 33.7306, -88.5951, 46.6244)\n",
                "    Map.addLayer(data, {}, 'ROI')\n",
                "    Map.user_roi = None\n",
                "\n",
                "Map.centerObject(data)"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "The input data can also be a file path or HTTP URL to a vector dataset. There are two ways to create a fishnet: specifying horizontal and vertical intervals or the number of rows and columns.\n",
                "\n",
                "Let's create a fishnet by specifying horizontal and vertical intervals in degrees."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "fishnet = geemap.fishnet(data, h_interval=2.0, v_interval=2.0, delta=1)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map.addLayer(fishnet, {}, 'Fishnet 1')"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "Draw another polygon on the map."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "data = Map.user_roi\n",
                "\n",
                "if data is None:\n",
                "    data = ee.Geometry.Polygon(\n",
                "        [\n",
                "            [\n",
                "                [-64.602356, -1.127399],\n",
                "                [-68.821106, -12.625598],\n",
                "                [-60.647278, -22.498601],\n",
                "                [-47.815247, -21.111406],\n",
                "                [-43.860168, -8.913564],\n",
                "                [-54.582825, -0.775886],\n",
                "                [-60.823059, 0.454555],\n",
                "                [-64.602356, -1.127399],\n",
                "            ]\n",
                "        ]\n",
                "    )\n",
                "    Map.addLayer(data, {}, 'ROI2')\n",
                "\n",
                "Map.centerObject(data)\n",
                "Map"
            ]
        },
        {
            "cell_type": "markdown",
            "metadata": {},
            "source": [
                "Let's create another fishnet by specifying the number of rows and columns."
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "fishnet = geemap.fishnet(data, rows=6, cols=8, delta=1)"
            ]
        },
        {
            "cell_type": "code",
            "execution_count": null,
            "metadata": {},
            "outputs": [],
            "source": [
                "Map.addLayer(fishnet, {}, 'Fishnet 2')"
            ]
        }
    ],
    "metadata": {
        "kernelspec": {
            "display_name": "Python 3",
            "language": "python",
            "name": "python3"
        }
    },
    "nbformat": 4,
    "nbformat_minor": 5
}