Fiona issue with transform_geom and rasterio CRS

fiona-transform-crs-issue.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import rasterio\n",
    "import fiona.transform\n",
    "import shapely.geometry"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
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     "data": {
      "text/plain": [
       "'1.7.10'"
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     "execution_count": 2,
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   "source": [
    "fiona.__version__"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "uri = 'https://sentinel-s2-l1c.s3.amazonaws.com/tiles/55/H/BC/2016/10/13/0/B01.jp2'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "dst_crs = {'init': 'epsg:4326'}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "with rasterio.open(uri) as src:\n",
    "    xmin, ymin, xmax, ymax = src.bounds\n",
    "    src_crs = src.crs"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "rasterio.crs.CRS"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(src_crs)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "geom = shapely.geometry.mapping(\n",
    "    shapely.geometry.box(xmin, ymin, xmax, ymax))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "ename": "AttributeError",
     "evalue": "'CRS' object has no attribute 'encode'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
      "\u001b[1;31mAttributeError\u001b[0m: 'CRS' object has no attribute 'encode'"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "Exception ignored in: 'fiona._transform._crs_from_crs'\n",
      "AttributeError: 'CRS' object has no attribute 'encode'\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "{'coordinates': [[(309780.0, 6190240.0),\n",
       "   (309780.0, 6300040.0),\n",
       "   (199980.0, 6300040.0),\n",
       "   (199980.0, 6190240.0),\n",
       "   (309780.0, 6190240.0)]],\n",
       " 'type': 'Polygon'}"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "fiona.transform.transform_geom(src_crs, dst_crs, geom)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'coordinates': [[(144.93030119816072, -34.41180718585891),\n",
       "   (144.95410135717518, -33.42215706526496),\n",
       "   (143.77448663451727, -33.39707945023465),\n",
       "   (143.7370120996912, -34.385782261979315),\n",
       "   (144.93030119816072, -34.41180718585891)]],\n",
       " 'type': 'Polygon'}"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "fiona.transform.transform_geom(dict(src_crs), dst_crs, geom)"
   ]
  }
 ],
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