Пример #1
0
 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()
Пример #2
0
 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 == 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
Пример #3
0
 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 == 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
Пример #4
0
    def polygon_event(self):
        filename, _ = QFileDialog.getOpenFileName(self, 'Open a .shp file', '', 'Polygon file (*.shp)',
                                                  options=QFileDialog.Options() | QFileDialog.DontUseNativeDialog)
        if not filename:
            return
        if not test_open(filename):
            return

        polygons = []
        try:
            for polygon in Shapefile.get_polygons(filename):
                polygons.append(polygon)
        except struct.error:
            QMessageBox.critical(self, 'Error', 'Inconsistent bytes.', QMessageBox.Ok)
            return
        if not polygons:
            QMessageBox.critical(self, 'Error', 'The file does not contain any polygon.',
                                 QMessageBox.Ok)
            return
        items = ['%d - %s' % (index, name) for (index, name) in Shapefile.get_numeric_attribute_names(filename)]
        if not items:
            QMessageBox.critical(self, 'Error', 'The polygons do not have numeric attributes.', QMessageBox.Ok)
            return
        dlg = AttributeDialog(items)
        if dlg.exec_() != QDialog.Accepted:
            return
        attribute_index, attribute_name = dlg.attribute_box.currentText().split(' - ')
        attribute_index = int(attribute_index)

        short_name = os.path.join(os.path.basename(filename), os.path.split(filename)[1])
        row = self.polygon_table.rowCount()
        self.polygon_table.insertRow(row)
        self.polygon_table.setItem(row, 0, QTableWidgetItem('POLY%d' % (row+1)))
        self.polygon_table.setItem(row, 1, QTableWidgetItem(attribute_name))
        self.polygon_table.setItem(row, 2, QTableWidgetItem(short_name))
        self.parent.editor_tab.pool.add_polygonal_mask(polygons, attribute_index)