Esempio n. 1
0
    def run(self):
        if self.state == Node.SUCCESS:
            return
        try:
            with open(self.filename) as f:
                pass
        except PermissionError:
            self.fail('Access denied.')
            return
        self.data = PolylineData()
        is_i2s = self.filename[-4:] == '.i2s'
        if is_i2s:
            with BlueKenue.Read(self.filename) as f:
                f.read_header()
                for poly in f.get_open_polylines():
                    self.data.add_line(poly)
            self.data.set_fields(['Value'])
        else:
            try:
                for poly in Shapefile.get_open_polylines(self.filename):
                    self.data.add_line(poly)
            except struct.error:
                self.fail('Inconsistent bytes.')
                return
            self.data.set_fields(Shapefile.get_all_fields(self.filename))

        if self.data.is_empty():
            self.fail('the file does not contain any 2D open polyline.')
            return

        self.success('The file contains {} open line{}.'.format(
            len(self.data), 's' if len(self.data) > 1 else ''))
Esempio n. 2
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 def read(self):
     self.fields = shp.get_all_fields(self.from_file)
     for index, name in shp.get_numeric_attribute_names(self.from_file):
         self.numeric_fields.append((index, name))
     if self.shape_type in (3, 5):
         self.read_line()
     elif self.shape_type in (13, 15):
         self.read_linez()
     else:
         self.read_linem()
Esempio n. 3
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 def read(self):
     self.fields = shp.get_all_fields(self.from_file)
     if self.shape_type == 8:
         self.read_point()
     elif self.shape_type == 18:
         try:
             self.read_pointz()
         except RuntimeError:
             raise RuntimeError
     else:
         self.read_pointm()
     if not self.shapes:
         raise ValueError
Esempio n. 4
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 def read(self):
     self.fields = shp.get_all_fields(self.from_file)
     self.numeric_fields = shp.get_numeric_attribute_names(self.from_file)
     if self.shape_type == 1:
         self.read_point()
     elif self.shape_type == 11:
         try:
             self.read_pointz()
         except RuntimeError:
             raise RuntimeError
     else:
         self.read_pointm()
     if not self.shapes:
         raise ValueError
Esempio n. 5
0
 def run(self):
     if self.state == Node.SUCCESS:
         return
     try:
         with open(self.filename) as f:
             pass
     except PermissionError:
         self.fail('Access denied.')
         return
     self.data = PointData()
     try:
         for point, attribute in Shapefile.get_points(self.filename):
             self.data.add_point(point)
             self.data.add_attribute(attribute)
     except struct.error:
         self.fail('Inconsistent bytes.')
         return
     self.data.set_fields(Shapefile.get_all_fields(self.filename))
     if self.data.is_empty():
         self.fail('the file does not contain any point.')
         return
     self.success('The file contains {} point{}.'.format(
         len(self.data), 's' if len(self.data) > 1 else ''))