def __init__(self, iface, tile_name, tile_credit, tile_url, tile_zmin,
tile_zmax, tile_bbox):
QgsMapCanvas.__init__(self)
self.iface = iface
self.setWheelAction(QgsMapCanvas.WheelZoom, 1)
self.setDestinationCrs(
self.iface.mapCanvas().mapSettings().destinationCrs())
self.setCrsTransformEnabled(True)
self.iface.mapCanvas().destinationCrsChanged.connect(self.onCrsChanged)
self.iface.mapCanvas().extentsChanged.connect(self.onExtentsChanged)
self.iface.mapCanvas().scaleChanged.connect(self.onScaleChanged)
layerdef = TileLayerDefinition(tile_name,
tile_credit,
tile_url,
zmin=tile_zmin,
zmax=tile_zmax,
bbox=tile_bbox)
creditVisibility = True
plugin = plugins.get("TileLayerPlugin")
self.chirin_layer = TileLayer(plugin, layerdef, creditVisibility)
QgsMapLayerRegistry.instance().addMapLayer(self.chirin_layer, False)
self.meshPolyLayer = QgsVectorLayer("polygon?crs=postgis:4612",
u"地域メッシュインデックス", "memory")
renderer = self.meshPolyLayer.rendererV2()
renderer.symbols()[0].symbolLayers()[0].setFillColor(
QtGui.QColor(0, 0, 0, 0))
renderer.symbols()[0].symbolLayers()[0].setBorderWidth(0.1)
self.meshPolyLayer.label().setLabelField(0, 0)
self.meshPolyLayer.startEditing()
self.meshPolyLayer.addAttribute(
QgsField("meshC", QtCore.QVariant.String))
self.meshPolyLayer.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(self.meshPolyLayer, False)
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.Trs_laln = QgsCoordinateTransform(
main_crs, QgsCoordinateReferenceSystem(4612))
self.redraw_mesh()
layers = []
layers.append(QgsMapCanvasLayer(self.meshPolyLayer))
layers.append(QgsMapCanvasLayer(self.chirin_layer))
self.setLayerSet(layers)
self.setExtent(self.iface.mapCanvas().extent())
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.resize(self.iface.mapCanvas().size() / 2)
def __init__(self,iface,tile_name,tile_credit,tile_url,tile_zmin,tile_zmax,tile_bbox):
QgsMapCanvas.__init__(self)
self.iface = iface
self.setWheelAction(QgsMapCanvas.WheelZoom,1)
self.setDestinationCrs(self.iface.mapCanvas().mapSettings().destinationCrs())
self.setCrsTransformEnabled(True)
self.iface.mapCanvas().destinationCrsChanged.connect(self.onCrsChanged)
self.iface.mapCanvas().extentsChanged.connect(self.onExtentsChanged)
self.iface.mapCanvas().scaleChanged.connect(self.onScaleChanged)
layerdef = TileLayerDefinition(tile_name,
tile_credit,
tile_url,
zmin=tile_zmin,
zmax=tile_zmax,
bbox=tile_bbox)
creditVisibility=True
plugin = plugins.get("TileLayerPlugin")
self.chirin_layer = TileLayer(plugin,layerdef, creditVisibility)
QgsMapLayerRegistry.instance().addMapLayer(self.chirin_layer,False)
self.meshPolyLayer = QgsVectorLayer("polygon?crs=postgis:4612",u"地域メッシュインデックス","memory")
renderer = self.meshPolyLayer.rendererV2()
renderer.symbols()[0].symbolLayers()[0].setFillColor(QtGui.QColor(0,0,0,0))
renderer.symbols()[0].symbolLayers()[0].setBorderWidth(0.1)
self.meshPolyLayer.label().setLabelField(0,0)
self.meshPolyLayer.startEditing()
self.meshPolyLayer.addAttribute(QgsField("meshC",QtCore.QVariant.String))
self.meshPolyLayer.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(self.meshPolyLayer,False)
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.Trs_laln = QgsCoordinateTransform(main_crs,QgsCoordinateReferenceSystem(4612))
self.redraw_mesh()
layers = []
layers.append(QgsMapCanvasLayer(self.meshPolyLayer))
layers.append(QgsMapCanvasLayer(self.chirin_layer))
self.setLayerSet(layers)
self.setExtent( self.iface.mapCanvas().extent() )
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.resize(self.iface.mapCanvas().size()/2)
class mesh_canvas(QgsMapCanvas):
def __init__(self, iface, tile_name, tile_credit, tile_url, tile_zmin,
tile_zmax, tile_bbox):
QgsMapCanvas.__init__(self)
self.iface = iface
self.setWheelAction(QgsMapCanvas.WheelZoom, 1)
self.setDestinationCrs(
self.iface.mapCanvas().mapSettings().destinationCrs())
self.setCrsTransformEnabled(True)
self.iface.mapCanvas().destinationCrsChanged.connect(self.onCrsChanged)
self.iface.mapCanvas().extentsChanged.connect(self.onExtentsChanged)
self.iface.mapCanvas().scaleChanged.connect(self.onScaleChanged)
layerdef = TileLayerDefinition(tile_name,
tile_credit,
tile_url,
zmin=tile_zmin,
zmax=tile_zmax,
bbox=tile_bbox)
creditVisibility = True
plugin = plugins.get("TileLayerPlugin")
self.chirin_layer = TileLayer(plugin, layerdef, creditVisibility)
QgsMapLayerRegistry.instance().addMapLayer(self.chirin_layer, False)
self.meshPolyLayer = QgsVectorLayer("polygon?crs=postgis:4612",
u"地域メッシュインデックス", "memory")
renderer = self.meshPolyLayer.rendererV2()
renderer.symbols()[0].symbolLayers()[0].setFillColor(
QtGui.QColor(0, 0, 0, 0))
renderer.symbols()[0].symbolLayers()[0].setBorderWidth(0.1)
self.meshPolyLayer.label().setLabelField(0, 0)
self.meshPolyLayer.startEditing()
self.meshPolyLayer.addAttribute(
QgsField("meshC", QtCore.QVariant.String))
self.meshPolyLayer.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(self.meshPolyLayer, False)
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.Trs_laln = QgsCoordinateTransform(
main_crs, QgsCoordinateReferenceSystem(4612))
self.redraw_mesh()
layers = []
layers.append(QgsMapCanvasLayer(self.meshPolyLayer))
layers.append(QgsMapCanvasLayer(self.chirin_layer))
self.setLayerSet(layers)
self.setExtent(self.iface.mapCanvas().extent())
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.resize(self.iface.mapCanvas().size() / 2)
def onCrsChanged(self):
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.setDestinationCrs(main_crs)
def onExtentsChanged(self):
self.setExtent(self.iface.mapCanvas().extent())
self.redraw_mesh()
self.refresh()
def onScaleChanged(self):
self.resize(self.iface.mapCanvas().size() / 2)
def PPopend(self):
self.iface.mapCanvas().extentsChanged.disconnect()
self.iface.mapCanvas().scaleChanged.disconnect()
def res_mesh_index(self, latitude, longitude):
x1d = math.floor(longitude - 100)
x2d = math.floor((longitude - x1d - 100) * 8)
x3d = math.floor((longitude - x1d - 100 - x2d / 8.0) * 80)
y1d = math.floor(latitude * 1.5)
y2d = math.floor((latitude * 1.5 - y1d) * 8)
y3d = math.floor((latitude * 1.5 - y1d - y2d / 8.0) * 80)
return (x1d, x2d, x3d, y1d, y2d, y3d)
def res_extent_mesh(self):
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.Trs_laln.setSourceCrs(main_crs)
my_rect = self.iface.mapCanvas().extent()
laln_rect = self.Trs_laln.transform(my_rect)
x_min = laln_rect.xMinimum()
x_max = laln_rect.xMaximum()
y_min = laln_rect.yMinimum()
y_max = laln_rect.yMaximum()
Lx1d, Lx2d, Lx3d, Ly1d, Ly2d, Ly3d = self.res_mesh_index(y_min, x_min)
Rx1d, Rx2d, Rx3d, Uy1d, Uy2d, Uy3d = self.res_mesh_index(y_max, x_max)
x_range = x_max - x_min
y_range = y_max - y_min
return {
"Lx1d": Lx1d,
"Lx2d": Lx2d,
"Lx3d": Lx3d,
"Rx1d": Rx1d,
"Rx2d": Rx2d,
"Rx3d": Rx3d,
"Ly1d": Ly1d,
"Ly2d": Ly2d,
"Ly3d": Ly3d,
"Uy1d": Uy1d,
"Uy2d": Uy2d,
"Uy3d": Uy3d,
"xRange": x_range,
"yRange": y_range
}
def draw_m1d(self):
x = self.e_mesh["Lx1d"] - 1
while x <= self.e_mesh["Rx1d"] + 1:
y = self.e_mesh["Ly1d"]
while y <= self.e_mesh["Uy1d"]:
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(
QgsGeometry.fromPolygon([[
QgsPoint(x + 100, y / 1.5),
QgsPoint(x + 100, (y + 1) / 1.5),
QgsPoint(x + 101, (y + 1) / 1.5),
QgsPoint(x + 101, y / 1.5)
]]))
m1d_str = str(int(y)) + str(int(x))
f.setAttribute("meshC", m1d_str)
self.meshPolyLayer.addFeature(f)
y += 1
x += 1
def draw_m2d(self):
x = self.e_mesh["Lx1d"] + self.e_mesh["Lx2d"] / 8.0 - 1 / 8.0
while x <= self.e_mesh["Rx1d"] + self.e_mesh["Rx2d"] / 8.0 + 1 / 8.0:
x1d = math.floor(x)
x2d = math.floor((x - x1d) * 8)
y = self.e_mesh["Ly1d"] + self.e_mesh["Ly2d"] / 8.0 - 1 / 8.0
while y <= self.e_mesh["Uy1d"] + self.e_mesh["Uy2d"] + 1 / 8.0:
y1d = math.floor(y)
y2d = math.floor((y - y1d) * 8)
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(
QgsGeometry.fromPolygon([[
QgsPoint(x + 100, y / 1.5),
QgsPoint(x + 100, (y + 1 / 8.0) / 1.5),
QgsPoint(x + 100 + 1 / 8.0, (y + 1 / 8.0) / 1.5),
QgsPoint(x + 100 + 1 / 8.0, y / 1.5)
]]))
m1d_str = str(int(y1d)) + str(int(x1d))
m2d_str = str(int(y2d)) + str(int(x2d))
mesh_str = m1d_str + m2d_str
f.setAttribute("meshC", mesh_str)
self.meshPolyLayer.addFeature(f)
y += 1 / 8.0
x += 1 / 8.0
def draw_m3d(self):
x = self.e_mesh["Lx1d"] + self.e_mesh["Lx2d"] / 8.0 + self.e_mesh[
"Lx3d"] / 80.0 - 1 / 80.0
while x <= self.e_mesh["Rx1d"] + self.e_mesh[
"Rx2d"] / 8.0 + self.e_mesh["Rx3d"] / 80.0 + 1 / 80.0:
x1d = math.floor(x)
x2d = math.floor((x - x1d) * 8)
x3d = math.floor((x - x1d - x2d / 8.0) * 80)
y = self.e_mesh["Ly1d"] + self.e_mesh["Ly2d"] / 8.0 + self.e_mesh[
"Ly3d"] / 80.0 - 1 / 80.0
while y <= self.e_mesh["Uy1d"] + self.e_mesh[
"Uy2d"] / 8.0 + self.e_mesh["Uy3d"] / 80.0 + 1 / 80.0:
y1d = math.floor(y)
y2d = math.floor((y - y1d) * 8)
y3d = math.floor((y - y1d - y2d / 8.0) * 80)
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(
QgsGeometry.fromPolygon([[
QgsPoint(x + 100, y / 1.5),
QgsPoint(x + 100, (y + 1 / 80.0) / 1.5),
QgsPoint(x + 100 + 1 / 80.0, (y + 1 / 80.0) / 1.5),
QgsPoint(x + 100 + 1 / 80.0, y / 1.5)
]]))
m1d_str = str(int(y1d)) + str(int(x1d))
m2d_str = str(int(y2d)) + str(int(x2d))
m3d_str = str(int(y3d)) + str(int(x3d))
mesh_str = m1d_str + m2d_str + m3d_str
f.setAttribute("meshC", mesh_str)
self.meshPolyLayer.addFeature(f)
y += 1 / 80.0
x += 1 / 80.0
def draw_m5x(self):
x = self.e_mesh["Lx1d"] - 1
while x <= self.e_mesh["Rx1d"] + 1:
x1d = math.floor(x)
x2d = math.floor((x - x1d) * 8)
x5x = math.floor((x - x1d - x2d / 8.0) * 16)
y = self.e_mesh["Ly1d"] - 1
while y <= self.e_mesh["Uy1d"] + 1:
y1d = math.floor(y)
y2d = math.floor((y - y1d) * 8)
y5x = math.floor((y - y1d - y2d / 8.0) * 16)
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(
QgsGeometry.fromPolygon([[
QgsPoint(x + 100, y / 1.5),
QgsPoint(x + 100, (y + 1 / 16.0) / 1.5),
QgsPoint(x + 100 + 1 / 16.0, (y + 1 / 16.0) / 1.5),
QgsPoint(x + 100 + 1 / 16.0, y / 1.5)
]]))
m1d_str = str(int(y1d)) + str(int(x1d))
m2d_str = str(int(y2d)) + str(int(x2d))
m5x_str = str(int(x5x + y5x * 2 + 1))
mesh_str = m1d_str + "-" + m2d_str + "-" + m5x_str
f.setAttribute("meshC", mesh_str)
self.meshPolyLayer.addFeature(f)
y += 1 / 16.0
x += 1 / 16.0
def redraw_mesh(self):
self.e_mesh = self.res_extent_mesh()
if self.e_mesh["xRange"] < 50:
self.meshPolyLayer.startEditing()
self.meshPolyLayer.selectAll()
self.meshPolyLayer.deleteSelectedFeatures()
if self.e_mesh["xRange"] > 2.0:
self.draw_m1d()
elif self.e_mesh["xRange"] > 1.0 / 8.0:
self.draw_m2d()
else:
self.draw_m3d()
self.meshPolyLayer.commitChanges()
self.meshPolyLayer.enableLabels(self.e_mesh["xRange"] <= 8.0)
def closeEvent(self, event):
QgsMapLayerRegistry.instance().removeMapLayers(
[self.meshPolyLayer.id(),
self.chirin_layer.id()])
self.iface.mapCanvas().destinationCrsChanged.disconnect()
self.iface.mapCanvas().extentsChanged.disconnect()
self.iface.mapCanvas().scaleChanged.disconnect()
class mesh_canvas(QgsMapCanvas):
def __init__(self,iface,tile_name,tile_credit,tile_url,tile_zmin,tile_zmax,tile_bbox):
QgsMapCanvas.__init__(self)
self.iface = iface
self.setWheelAction(QgsMapCanvas.WheelZoom,1)
self.setDestinationCrs(self.iface.mapCanvas().mapSettings().destinationCrs())
self.setCrsTransformEnabled(True)
self.iface.mapCanvas().destinationCrsChanged.connect(self.onCrsChanged)
self.iface.mapCanvas().extentsChanged.connect(self.onExtentsChanged)
self.iface.mapCanvas().scaleChanged.connect(self.onScaleChanged)
layerdef = TileLayerDefinition(tile_name,
tile_credit,
tile_url,
zmin=tile_zmin,
zmax=tile_zmax,
bbox=tile_bbox)
creditVisibility=True
plugin = plugins.get("TileLayerPlugin")
self.chirin_layer = TileLayer(plugin,layerdef, creditVisibility)
QgsMapLayerRegistry.instance().addMapLayer(self.chirin_layer,False)
self.meshPolyLayer = QgsVectorLayer("polygon?crs=postgis:4612",u"地域メッシュインデックス","memory")
renderer = self.meshPolyLayer.rendererV2()
renderer.symbols()[0].symbolLayers()[0].setFillColor(QtGui.QColor(0,0,0,0))
renderer.symbols()[0].symbolLayers()[0].setBorderWidth(0.1)
self.meshPolyLayer.label().setLabelField(0,0)
self.meshPolyLayer.startEditing()
self.meshPolyLayer.addAttribute(QgsField("meshC",QtCore.QVariant.String))
self.meshPolyLayer.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(self.meshPolyLayer,False)
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.Trs_laln = QgsCoordinateTransform(main_crs,QgsCoordinateReferenceSystem(4612))
self.redraw_mesh()
layers = []
layers.append(QgsMapCanvasLayer(self.meshPolyLayer))
layers.append(QgsMapCanvasLayer(self.chirin_layer))
self.setLayerSet(layers)
self.setExtent( self.iface.mapCanvas().extent() )
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.resize(self.iface.mapCanvas().size()/2)
def onCrsChanged(self):
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.setDestinationCrs(main_crs)
def onExtentsChanged(self):
self.setExtent( self.iface.mapCanvas().extent() )
self.redraw_mesh()
self.refresh()
def onScaleChanged(self):
self.resize(self.iface.mapCanvas().size()/2)
def PPopend(self):
self.iface.mapCanvas().extentsChanged.disconnect()
self.iface.mapCanvas().scaleChanged.disconnect()
def res_mesh_index(self,latitude,longitude):
x1d = math.floor(longitude - 100)
x2d = math.floor((longitude - x1d - 100 ) * 8 )
x3d = math.floor((longitude - x1d - 100 - x2d/8.0 )*80 )
y1d = math.floor(latitude*1.5)
y2d = math.floor((latitude*1.5 - y1d ) * 8 )
y3d = math.floor((latitude*1.5 - y1d - y2d/8.0 )*80 )
return (x1d,x2d,x3d,y1d,y2d,y3d)
def res_extent_mesh(self):
main_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
self.Trs_laln.setSourceCrs(main_crs)
my_rect = self.iface.mapCanvas().extent()
laln_rect = self.Trs_laln.transform(my_rect)
x_min = laln_rect.xMinimum()
x_max = laln_rect.xMaximum()
y_min = laln_rect.yMinimum()
y_max = laln_rect.yMaximum()
Lx1d,Lx2d,Lx3d,Ly1d,Ly2d,Ly3d = self.res_mesh_index(y_min, x_min)
Rx1d,Rx2d,Rx3d,Uy1d,Uy2d,Uy3d = self.res_mesh_index(y_max, x_max)
x_range = x_max - x_min
y_range = y_max - y_min
return {"Lx1d":Lx1d,"Lx2d":Lx2d,"Lx3d":Lx3d,
"Rx1d":Rx1d,"Rx2d":Rx2d,"Rx3d":Rx3d,
"Ly1d":Ly1d,"Ly2d":Ly2d,"Ly3d":Ly3d,
"Uy1d":Uy1d,"Uy2d":Uy2d,"Uy3d":Uy3d,
"xRange":x_range,"yRange":y_range}
def draw_m1d(self):
x = self.e_mesh["Lx1d"] -1
while x <= self.e_mesh["Rx1d"] + 1:
y = self.e_mesh["Ly1d"]
while y <= self.e_mesh["Uy1d"]:
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(QgsGeometry.fromPolygon(
[[QgsPoint(x+100,y/1.5),QgsPoint(x+100,(y+1)/1.5),
QgsPoint(x+101,(y+1)/1.5),QgsPoint(x+101,y/1.5)]]))
m1d_str = str(int(y)) + str(int(x))
f.setAttribute("meshC",m1d_str)
self.meshPolyLayer.addFeature(f)
y += 1
x += 1
def draw_m2d(self):
x = self.e_mesh["Lx1d"] + self.e_mesh["Lx2d"] / 8.0 - 1 / 8.0
while x <= self.e_mesh["Rx1d"] + self.e_mesh["Rx2d"] / 8.0 + 1 / 8.0:
x1d = math.floor(x)
x2d = math.floor((x-x1d)*8)
y = self.e_mesh["Ly1d"] + self.e_mesh["Ly2d"] / 8.0 - 1 / 8.0
while y <= self.e_mesh["Uy1d"] + self.e_mesh["Uy2d"] + 1 / 8.0:
y1d = math.floor(y)
y2d = math.floor((y-y1d)*8)
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(QgsGeometry.fromPolygon(
[[QgsPoint(x+100,y/1.5),QgsPoint(x+100,(y+1/8.0)/1.5),
QgsPoint(x+100+1/8.0,(y+1/8.0)/1.5),QgsPoint(x+100+1/8.0,y/1.5)]]))
m1d_str = str(int(y1d)) + str(int(x1d))
m2d_str = str(int(y2d)) + str(int(x2d))
mesh_str = m1d_str + m2d_str
f.setAttribute("meshC",mesh_str)
self.meshPolyLayer.addFeature(f)
y += 1/8.0
x += 1/8.0
def draw_m3d(self):
x = self.e_mesh["Lx1d"] + self.e_mesh["Lx2d"] / 8.0 + self.e_mesh["Lx3d"] / 80.0 - 1 / 80.0
while x <= self.e_mesh["Rx1d"] + self.e_mesh["Rx2d"] / 8.0 + self.e_mesh["Rx3d"] / 80.0 + 1 / 80.0:
x1d = math.floor(x)
x2d = math.floor((x-x1d)*8)
x3d = math.floor((x-x1d-x2d/8.0)*80)
y = self.e_mesh["Ly1d"] + self.e_mesh["Ly2d"] / 8.0 + self.e_mesh["Ly3d"] / 80.0 - 1 / 80.0
while y <= self.e_mesh["Uy1d"] + self.e_mesh["Uy2d"] / 8.0 + self.e_mesh["Uy3d"] / 80.0 + 1 / 80.0:
y1d = math.floor(y)
y2d = math.floor((y-y1d)*8)
y3d = math.floor((y-y1d-y2d/8.0)*80)
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(QgsGeometry.fromPolygon(
[[QgsPoint(x+100,y/1.5),QgsPoint(x+100,(y+1/80.0)/1.5),
QgsPoint(x+100+1/80.0,(y+1/80.0)/1.5),QgsPoint(x+100+1/80.0,y/1.5)]]))
m1d_str = str(int(y1d)) + str(int(x1d))
m2d_str = str(int(y2d)) + str(int(x2d))
m3d_str = str(int(y3d)) + str(int(x3d))
mesh_str = m1d_str + m2d_str + m3d_str
f.setAttribute("meshC",mesh_str)
self.meshPolyLayer.addFeature(f)
y += 1/80.0
x += 1/80.0
def draw_m5x(self):
x = self.e_mesh["Lx1d"] - 1
while x <= self.e_mesh["Rx1d"]+1:
x1d = math.floor(x)
x2d = math.floor((x-x1d)*8)
x5x = math.floor((x-x1d-x2d/8.0)*16)
y = self.e_mesh["Ly1d"] - 1
while y <= self.e_mesh["Uy1d"]+1:
y1d = math.floor(y)
y2d = math.floor((y-y1d)*8)
y5x = math.floor((y-y1d-y2d/8.0)*16)
f = QgsFeature(self.meshPolyLayer.pendingFields())
f.setGeometry(QgsGeometry.fromPolygon(
[[QgsPoint(x+100,y/1.5),QgsPoint(x+100,(y+1/16.0)/1.5),
QgsPoint(x+100+1/16.0,(y+1/16.0)/1.5),QgsPoint(x+100+1/16.0,y/1.5)]]))
m1d_str = str(int(y1d)) + str(int(x1d))
m2d_str = str(int(y2d)) + str(int(x2d))
m5x_str = str(int(x5x+y5x*2+1))
mesh_str = m1d_str + "-" + m2d_str + "-" + m5x_str
f.setAttribute("meshC",mesh_str)
self.meshPolyLayer.addFeature(f)
y += 1/16.0
x += 1/16.0
def redraw_mesh(self):
self.e_mesh = self.res_extent_mesh()
if self.e_mesh["xRange"] < 50:
self.meshPolyLayer.startEditing()
self.meshPolyLayer.selectAll()
self.meshPolyLayer.deleteSelectedFeatures()
if self.e_mesh["xRange"] > 2.0:
self.draw_m1d()
elif self.e_mesh["xRange"] > 1.0/8.0:
self.draw_m2d()
else:
self.draw_m3d()
self.meshPolyLayer.commitChanges()
self.meshPolyLayer.enableLabels(self.e_mesh["xRange"] <= 8.0)
def closeEvent(self,event):
QgsMapLayerRegistry.instance().removeMapLayers(
[ self.meshPolyLayer.id(), self.chirin_layer.id() ])
self.iface.mapCanvas().destinationCrsChanged.disconnect()
self.iface.mapCanvas().extentsChanged.disconnect()
self.iface.mapCanvas().scaleChanged.disconnect()
