js_vs_py_exports_test.ipynb

js_vs_py_exports_test.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "provenance": [],
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "language_info": {
      "name": "python"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/gist/jdbcode/31ea8d130f20992d214b22a6de705ffa/js_vs_py_exports_test.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "id": "m0bA5g4VIHOh"
      },
      "outputs": [],
      "source": [
        "import ee\n",
        "ee.Authenticate()\n",
        "ee.Initialize()"
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "FAO = ee.FeatureCollection(\"FAO/GAUL/2015/level2\")\n",
        "FAO_US = FAO.filter(ee.Filter.eq('ADM0_NAME', 'United States of America'))\n",
        "state_bound = FAO_US.filter(ee.Filter.eq('ADM1_NAME', 'Georgia'))\n",
        "outputGeom = state_bound.geometry().bounds()"
      ],
      "metadata": {
        "id": "kwWqSawSIRcD"
      },
      "execution_count": 2,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "roofImage = ee.Image('projects/ee-ycheng1891/assets/shared/US_Georgia_roofImage')\n",
        "\n",
        "isRoof = (roofImage.eq(1)\n",
        "              .unmask(0)\n",
        "              .setDefaultProjection(**{'crs': roofImage.projection()})\n",
        "              .rename('roof'))\n",
        "\n",
        "isRoof10 = (isRoof.eq(1)\n",
        "              .reproject(**{'crs': roofImage.projection(), 'scale': 10})\n",
        "              .reduceResolution(**{'reducer': ee.Reducer.mean(), 'maxPixels': 65536})\n",
        "              .unmask(0))\n",
        "\n",
        "roofFrac100_cal = (isRoof10\n",
        "              .reproject(**{'crs': roofImage.projection(), 'scale':100})\n",
        "              .reduceResolution(**{'reducer': ee.Reducer.mean(), 'maxPixels': 65536}))"
      ],
      "metadata": {
        "id": "N9jr_1q-IhV9"
      },
      "execution_count": 3,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# EXPORT USING `scale` PARAMETER\n",
        "task1 = ee.batch.Export.image.toAsset(\n",
        "  **{'image': roofFrac100_cal,\n",
        "    'description': 'US_Georgia_roofFrac100_4326_scale_py',\n",
        "    'assetId': 'projects/ee-jstnbraaten/assets/roofs_bug/US_Georgia_roofFrac100_4326_scale_py',\n",
        "    'scale': 100,\n",
        "    'crs': 'EPSG:4326',\n",
        "    'region': outputGeom,\n",
        "    'maxPixels': 1e13\n",
        "  })\n",
        "\n",
        "# EXPORT USING `crsTransform` PARAMETER\n",
        "task2 = ee.batch.Export.image.toAsset(\n",
        "  **{'image': roofFrac100_cal,\n",
        "    'description': 'US_Georgia_roofFrac100_4326_crsTransform_py',\n",
        "    'assetId': 'projects/ee-jstnbraaten/assets/roofs_bug/US_Georgia_roofFrac100_4326_crsTransform_py',\n",
        "    'crsTransform': roofFrac100_cal.projection().getInfo()['transform'],\n",
        "    'crs': 'EPSG:4326',\n",
        "    'region': outputGeom,\n",
        "    'maxPixels': 1e13\n",
        "  })"
      ],
      "metadata": {
        "id": "L7QRkg2GI1g4"
      },
      "execution_count": 4,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "task1.start()\n",
        "task2.start()"
      ],
      "metadata": {
        "id": "392WNIkMJUju"
      },
      "execution_count": 5,
      "outputs": []
    }
  ]
}