def __init__(self, iface):
QDialog.__init__(self)
QtGui.QDialog.__init__(self, None, QtCore.Qt.WindowStaysOnTopHint)
self.iface = iface
self.setupUi(self)
self.field_types = {}
self.centroids = None
self.node_layer = None
self.line_layer = None
self.node_keys = None
self.node_fields = None
self.index = None
self.matrix = None
self.clickTool = PointTool(self.iface.mapCanvas())
self.path = standard_path()
self.node_id = None
self.res = PathResults()
self.link_features = None
self.do_dist_matrix.setEnabled(False)
self.load_graph_from_file.clicked.connect(
self.prepare_graph_and_network)
self.from_but.clicked.connect(self.search_for_point_from)
self.to_but.clicked.connect(self.search_for_point_to)
self.do_dist_matrix.clicked.connect(self.produces_path)
def find_point(self):
try:
point = self.clickTool.point
nearest = self.index.nearestNeighbor(point, 1)
self.iface.mapCanvas().setMapTool(None)
self.clickTool = PointTool(self.iface.mapCanvas())
node_id = self.node_keys[nearest[0]]
index_field = self.node_fields.index(self.node_id)
node_actual_id = node_id[index_field]
return node_actual_id
except:
pass
class OSGBWidget(qtBaseClass, uiWidget):
def __init__(self, iface, plugin, parent=None):
qtBaseClass.__init__(self)
uiWidget.__init__(self, parent)
self.setupUi(self)
self.iface = iface
self.marker = None
self.tool = None
self.precisionField.setToolTip("Coordinates precision")
self.precisionField.setRange(0, 6)
self.precisionField.setValue(4)
self._set_icons()
self._add_validators()
self._connect_signals(plugin)
def _set_icons(self):
self.btnPointTool.setIcon(
QgsApplication.getThemeIcon("/mActionWhatsThis.svg"))
self.btnPointTool.setIconSize(QSize(18, 18))
def _add_validators(self):
re = QRegExp(
r'''^(\s*[a-zA-Z]{2}\s*\d{1,4}\s*\d{1,4}\s*|\[out of bounds\])$''')
self.editCoords.setValidator(QRegExpValidator(re, self))
re = QRegExp(
"^\s*[-+]?[0-9]*\.?[0-9]+\s*\,\s*[-+]?[0-9]*\.?[0-9]+\s*$")
self.editLongLat.setValidator(QRegExpValidator(re, self))
def _connect_signals(self, plugin):
self.btnPointTool.clicked.connect(self.pickPoint)
self.iface.mapCanvas().xyCoordinates.connect(self.trackCoords)
self.editCoords.returnPressed.connect(self.setCoords)
self.editLongLat.returnPressed.connect(self.setLongLat)
self.precisionField.valueChanged.connect(self.change_precision)
self.clipboardCheck.stateChanged.connect(self.change_copy_to_clipboard)
def _setEditCooordsOnMouseMove(self, pt):
if not self.tool:
self.init_tool()
try:
os_ref = xy_to_osgb(pt.x(), pt.y(), self.tool.precision)
except GridRefException as e:
print(e)
os_ref = "[out of bounds]"
self.editCoords.setText(os_ref)
def _setEditLongLatOnMouseMove(self, pt):
point_4326 = reproject_point_to_4326(self.iface.mapCanvas(), pt)
msg = "{:.2f}, {:.2f}".format(point_4326.x(), point_4326.y())
self.editLongLat.setText(msg)
def _add_marker(self, point):
if self.marker:
self._remove_marker()
self.marker = gen_marker(self.iface.mapCanvas(), point)
def _remove_marker(self):
if self.marker:
self.iface.mapCanvas().scene().removeItem(self.marker)
self.marker = None
def change_precision(self):
if self.tool:
self.tool.precision = pow(10, 5 - self.precisionField.value())
def change_copy_to_clipboard(self):
if self.tool:
print(self.clipboardCheck.isChecked())
self.tool.clipboard_enable = self.clipboardCheck.isChecked()
def trackCoords(self, pt):
self._setEditCooordsOnMouseMove(pt)
self._setEditLongLatOnMouseMove(pt)
self._remove_marker()
def setCoords(self):
try:
x, y = osgb_to_xy(self.editCoords.text())
point27700 = QgsPoint(x, y)
centre_on_point(self.iface.mapCanvas(), point27700)
self._add_marker(point27700)
except GridRefException:
QMessageBox.warning(
self.iface.mapCanvas(), "Format",
"The coordinates should be in format XX ### ###")
def setLongLat(self):
try:
longlat = self.editLongLat.text()
point4326 = point_from_longlat_text(longlat)
point27700 = reproject_point_from_4326(self.iface.mapCanvas(),
point4326)
centre_on_point(self.iface.mapCanvas(), point27700)
self._add_marker(point27700)
except GridRefException:
QMessageBox.warning(
self.iface.mapCanvas(), "Format",
"The coordinates should be in format ##.##, ##.##")
def pickPoint(self):
self.init_tool()
self.iface.mapCanvas().setMapTool(self.tool)
def init_tool(self):
self.tool = PointTool(self.iface.mapCanvas(),
pow(10, self.precisionField.value()),
self.clipboardCheck.isChecked())
self.change_precision()
self.tool.setButton(self.btnPointTool)
def pickPoint(self):
tool = PointTool(self.iface.mapCanvas())
tool.setButton(self.btnPointTool)
self.iface.mapCanvas().setMapTool(tool)
def init_tool(self):
self.tool = PointTool(self.iface.mapCanvas(),
pow(10, self.precisionField.value()),
self.clipboardCheck.isChecked())
self.change_precision()
self.tool.setButton(self.btnPointTool)
class OSGBWidget(qtBaseClass, uiWidget):
def __init__(self, iface, plugin, precision_field, parent=None):
qtBaseClass.__init__(self)
uiWidget.__init__(self, parent)
self.setupUi(self)
self.iface = iface
self.marker = None
self.precision_field = precision_field
self.tool = None
self._set_icons()
self._add_validators()
self._connect_signals(plugin)
def _set_icons(self):
self.btnClose.setIcon(QgsApplication.getThemeIcon( "/mIconClose.png"))
self.btnClose.setIconSize(QSize( 18, 18 ))
self.btnPointTool.setIcon(QgsApplication.getThemeIcon( "/mActionWhatsThis.svg"))
self.btnPointTool.setIconSize(QSize( 18, 18 ))
def _add_validators(self):
re = QRegExp(r'''^(\s*[a-zA-Z]{2}\s*\d{1,4}\s*\d{1,4}\s*|\[out of bounds\])$''')
self.editCoords.setValidator(QRegExpValidator(re, self))
re = QRegExp("^\s*[-+]?[0-9]*\.?[0-9]+\s*\,\s*[-+]?[0-9]*\.?[0-9]+\s*$")
self.editLongLat.setValidator(QRegExpValidator(re, self))
def _connect_signals(self, plugin):
self.btnClose.clicked.connect(plugin.actionRun.trigger)
self.btnPointTool.clicked.connect(self.pickPoint)
self.iface.mapCanvas().xyCoordinates.connect(self.trackCoords)
self.editCoords.returnPressed.connect(self.setCoords)
self.editLongLat.returnPressed.connect(self.setLongLat)
self.precision_field.valueChanged.connect(self.change_precision)
def _setEditCooordsOnMouseMove(self, pt):
# dynamically determine the most sensible precision for the given scale
log_scale = math.log(self.iface.mapCanvas().scale()) / math.log(10)
if log_scale >= 6:
precision = 1000
elif log_scale >= 5:
precision = 100
elif log_scale >= 4:
precision = 10
else:
precision = 1
if self.tool:
precision = self.tool.precision
try:
os_ref = xy_to_osgb(pt.x(), pt.y(), precision)
except GridRefException:
os_ref = "[out of bounds]"
self.editCoords.setText(os_ref)
def _setEditLongLatOnMouseMove(self, pt):
point_4326 = reproject_point_to_4326(self.iface.mapCanvas(), pt)
msg = "{:.2f}, {:.2f}".format(point_4326.x(), point_4326.y())
self.editLongLat.setText(msg)
def _add_marker(self, point):
if self.marker:
self._remove_marker()
self.marker = gen_marker(self.iface.mapCanvas(), point)
def _remove_marker(self):
if self.marker:
self.iface.mapCanvas().scene().removeItem(self.marker)
self.marker = None
def change_precision(self):
if self.tool:
self.tool.precision = pow(10, 5 - self.precision_field.value())
def trackCoords(self, pt):
self._setEditCooordsOnMouseMove(pt)
self._setEditLongLatOnMouseMove(pt)
self._remove_marker()
def setCoords(self):
try:
x,y = osgb_to_xy(self.editCoords.text())
point27700 = QgsPoint(x,y)
centre_on_point(self.iface.mapCanvas(), point27700)
self._add_marker(point27700)
except GridRefException:
QMessageBox.warning(
self.iface.mapCanvas(),
"Format",
"The coordinates should be in format XX ### ###")
def setLongLat(self):
try:
longlat = self.editLongLat.text()
point4326 = point_from_longlat_text(longlat)
point27700 = reproject_point_from_4326(self.iface.mapCanvas(), point4326)
centre_on_point(self.iface.mapCanvas(), point27700)
self._add_marker(point27700)
except GridRefException:
QMessageBox.warning(
self.iface.mapCanvas(),
"Format",
"The coordinates should be in format ##.##, ##.##")
def pickPoint(self):
self.tool = PointTool(self.iface.mapCanvas(), pow(10,self.precision_field.value()))
self.change_precision()
self.tool.setButton(self.btnPointTool)
self.iface.mapCanvas().setMapTool(self.tool)
def pickPoint(self):
self.tool = PointTool(self.iface.mapCanvas(), pow(10,self.precision_field.value()))
self.change_precision()
self.tool.setButton(self.btnPointTool)
self.iface.mapCanvas().setMapTool(self.tool)
class OSGBWidget(qtBaseClass, uiWidget):
def __init__(self, iface, plugin, parent=None):
qtBaseClass.__init__(self)
uiWidget.__init__(self, parent)
self.setupUi(self)
self.iface = iface
self.marker = None
self.tool = None
self.precisionField.setToolTip("Coordinates precision")
self.precisionField.setRange(0, 6)
self.precisionField.setValue(4)
self._set_icons()
self._add_validators()
self._connect_signals(plugin)
def _set_icons(self):
self.btnPointTool.setIcon(
QgsApplication.getThemeIcon("/mActionWhatsThis.svg"))
self.btnPointTool.setIconSize(QSize(18, 18))
def _add_validators(self):
re = QRegExp(
r'''^(\s*[a-zA-Z]{2}\s*\d{1,4}\s*\d{1,4}\s*|\[out of bounds\])$''')
self.editCoords.setValidator(QRegExpValidator(re, self))
re = QRegExp(
"^\s*[-+]?[0-9]*\.?[0-9]+\s*\,\s*[-+]?[0-9]*\.?[0-9]+\s*$")
self.editLongLat.setValidator(QRegExpValidator(re, self))
def _connect_signals(self, plugin):
self.btnPointTool.clicked.connect(self.pickPoint)
self.iface.mapCanvas().xyCoordinates.connect(self.trackCoords)
self.editCoords.returnPressed.connect(self.setCoords)
self.editLongLat.returnPressed.connect(self.setLongLat)
self.precisionField.valueChanged.connect(self.change_precision)
self.clipboardCheck.stateChanged.connect(self.change_copy_to_clipboard)
def _setEditCooordsOnMouseMove(self, pt):
if not self.tool:
self.init_tool()
try:
os_ref = xy_to_osgb(pt.x(), pt.y(), self.tool.precision)
except GridRefException as e:
print(e)
os_ref = "[out of bounds]"
self.editCoords.setText(os_ref)
def _setEditLongLatOnMouseMove(self, pt):
point_4326 = reproject_point_to_4326(self.iface.mapCanvas(), pt)
msg = "{:.2f}, {:.2f}".format(point_4326.x(), point_4326.y())
self.editLongLat.setText(msg)
def _add_marker(self, point):
if self.marker:
self._remove_marker()
self.marker = gen_marker(self.iface.mapCanvas(), point)
def _remove_marker(self):
if self.marker:
self.iface.mapCanvas().scene().removeItem(self.marker)
self.marker = None
def change_precision(self):
if self.tool:
self.tool.precision = pow(10, 5 - self.precisionField.value())
def change_copy_to_clipboard(self):
if self.tool:
print(self.clipboardCheck.isChecked())
self.tool.clipboard_enable = self.clipboardCheck.isChecked()
def trackCoords(self, pt):
self._setEditCooordsOnMouseMove(pt)
self._setEditLongLatOnMouseMove(pt)
self._remove_marker()
def setCoords(self):
try:
x, y = osgb_to_xy(self.editCoords.text())
point27700 = QgsPoint(x, y)
centre_on_point(self.iface.mapCanvas(), point27700)
self._add_marker(point27700)
except GridRefException:
QMessageBox.warning(
self.iface.mapCanvas(),
"Format",
"The coordinates should be in format XX ### ###")
def setLongLat(self):
try:
longlat = self.editLongLat.text()
point4326 = point_from_longlat_text(longlat)
point27700 = reproject_point_from_4326(self.iface.mapCanvas(),
point4326)
centre_on_point(self.iface.mapCanvas(), point27700)
self._add_marker(point27700)
except GridRefException:
QMessageBox.warning(
self.iface.mapCanvas(),
"Format",
"The coordinates should be in format ##.##, ##.##")
def pickPoint(self):
self.init_tool()
self.iface.mapCanvas().setMapTool(self.tool)
def init_tool(self):
self.tool = PointTool(self.iface.mapCanvas(),
pow(10, self.precisionField.value()),
self.clipboardCheck.isChecked())
self.change_precision()
self.tool.setButton(self.btnPointTool)
def init_tool(self):
self.tool = PointTool(self.iface.mapCanvas(),
pow(10, self.precisionField.value()),
self.clipboardCheck.isChecked())
self.change_precision()
self.tool.setButton(self.btnPointTool)