Código fuente para catatom2osm.geo.debug
import os
from qgis.core import QgsFeature, QgsField, QgsFields
from qgis.PyQt.QtCore import QVariant
from catatom2osm.geo.geometry import Geometry
from catatom2osm.geo.layer.base import BaseLayer
from catatom2osm.geo.types import WKBPoint
[documentos]class DebugWriter:
"""A QgsVectorFileWriter for debugging purposess."""
def __init__(
self, filename, layer, driver_name="ESRI Shapefile", geom_type=WKBPoint
):
"""
Construct.
Args:
filename (str): File name of this layer
layer (QgsVectorLayer): A layer to test.
driver_name (str): Defaults to ESRI Shapefile.
"""
fpath = os.path.join(
os.path.dirname(layer.dataProvider().dataSourceUri()), filename
)
fields = QgsFields()
fields.append(QgsField("note", QVariant.String, len=100))
writer = BaseLayer.get_writer(fpath, layer.crs(), fields, geom_type)
self.fields = fields
self.writer = writer
[documentos] def add_point(self, point, note=None):
"""Add a point to the layer with the attribute note."""
feat = QgsFeature(QgsFields(self.fields))
geom = Geometry.fromPointXY(point)
feat.setGeometry(geom)
if note:
feat.setAttribute("note", note[:254])
return self.addFeature(feat)
[documentos] def addFeature(self, *args, **kwargs):
self.writer.addFeature(*args, **kwargs)