def exit_dialog(self, points, crs):
self.dialog.close()
layer = QgsVectorLayer('LineString', self.name_tracado, "memory")
pr = layer.dataProvider()
print points
anterior = QgsPoint(points[0])
fets = []
for p in points[1:]:
fet = QgsFeature(layer.pendingFields())
fet.setGeometry(QgsGeometry.fromPolyline([anterior, QgsPoint(p)]))
fets.append(fet)
anterior = QgsPoint(p)
pr.addFeatures(fets)
self.crs = crs
layer.setCrs(QgsCoordinateReferenceSystem(int(crs), 0))
layer.updateExtents()
QgsMapLayerRegistry.instance().addMapLayer(layer)
def plotar(self):
vl = QgsVectorLayer("Point", "temporary_points", "memory")
pr = vl.dataProvider()
# Enter editing mode
vl.startEditing()
# add fields
pr.addAttributes([
QgsField("estaca", QVariant.String),
QgsField("descrição", QVariant.String),
QgsField("north", QVariant.String),
QgsField("este", QVariant.String),
QgsField("cota", QVariant.String),
QgsField("azimite", QVariant.String)
])
fets = []
for r in range(self.tableWidget.rowCount()):
ident = self.tableWidget.item(r, 0).text()
if ident in ["", None]: break
fet = QgsFeature(vl.pendingFields())
n = 0.0
e = 0.0
try:
es = self.tableWidget.item(r, 0).text()
d = self.tableWidget.item(r, 1).text()
n = float(self.tableWidget.item(r, 3).text())
e = float(self.tableWidget.item(r, 4).text())
c = float(self.tableWidget.item(r, 5).text())
a = self.tableWidget.item(r, 6).text()
except:
break
fet.setGeometry(QgsGeometry.fromPoint(QgsPoint(e, n)))
fet.setAttributes([es, d, n, e, c, a])
fets.append(fet)
pr.addFeatures(fets)
vl.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(vl)