def _convertShapefileToGeoJson(self, item, tmpdir):
# TODO need to figure out convention here
# assumes a shapefile is stored as a single item with a certain name
# and all of the shapefiles as files within that item with
# the same name.
#
# ex: item['name'] = myshapefile
# # abuse of notation for item.files
# item.files[0]['name'] = myshapefile.cpg
# item.files[1]['name'] = myshapefile.dbf
# item.files[2]['name'] = myshapefile.prj
# item.files[3]['name'] = myshapefile.shp
# item.files[4]['name'] = myshapefile.shx
from gaia.pandas import GeopandasReader, GeopandasWriter
reader = GeopandasReader()
reader.file_name = os.path.join(tmpdir, item['name'])
geojsonFilepath = os.path.join(tmpdir, item['name'] +
PluginSettings.GEOJSON_EXTENSION)
writer = GeopandasWriter()
writer.file_name = geojsonFilepath
writer.format = 'GeoJSON'
writer.set_input(port=reader.get_output())
writer.run()
return geojsonFilepath
def _convertToGeoJson(self, item, tmpdir):
from gaia.pandas import GeopandasReader, GeopandasWriter
reader = GeopandasReader()
reader.file_name = os.path.join(tmpdir, item["name"])
geojsonFile = os.path.join(tmpdir, item["name"] + PluginSettings.GEOJSON_EXTENSION)
writer = GeopandasWriter()
writer.file_name = geojsonFile
writer.format = "GeoJSON"
writer.set_input(port=reader.get_output())
writer.run()
return geojsonFile
class GeopandasPlotTest(TestCase):
"""Test the geopandas plotter."""
def setUp(self): # noqa
"""Read a small geojson file."""
TestCase.setUp(self)
self.reader = GeopandasReader()
self.reader.file_name = self.data_path('geopoints.json')
def _plot_geojson(self, ext):
"""Read a small geojson file and save a plot."""
plotter = GeopandasPlot()
plotter.set_input(port=self.reader.get_output())
plotter.file_name = self.output_path('geopoints.' + ext)
plotter.run()
self.assertTrue(os.path.exists(plotter.file_name))
def test_plot_geojson_png(self):
"""Create a png image."""
self._plot_geojson('png')
def test_plot_geojson_pdf(self):
"""Create a pdf image."""
self._plot_geojson('pdf')
def setUp(self): # noqa
"""Read a small geojson file."""
TestCase.setUp(self)
self.reader = GeopandasReader()
self.reader.file_name = self.data_path('geopoints.json')
def reader(self, fname):
"""Read a file from the local data store."""
reader = GeopandasReader()
reader.file_name = self.data_path(fname)
return reader