class Window(QtGui.QMainWindow):
def __init__(self, parent=None):
print >> sys.stderr, 'Window::init()'
QtGui.QMainWindow.__init__(self, None, QtCore.Qt.Tool|QtCore.Qt.FramelessWindowHint)
self.setFocusPolicy(QtCore.Qt.StrongFocus)
self.setAttribute(QtCore.Qt.WA_QuitOnClose, True)
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.setWindowTitle('FYP module 2012')
self.select_img_folder()
def select_img_folder(self):
fd = QtGui.QFileDialog(caption="Select image folder")
tree = fd.findChild(QtGui.QTreeView)
tree.setRootIsDecorated(True)
tree.setItemsExpandable(True)
fd.setFileMode(QtGui.QFileDialog.Directory)
fd.setViewMode(QtGui.QFileDialog.Detail)
if fd.exec_():
self.init_ui(str(fd.selectedFiles()[0]))
else:
sys.exit(0)
def init_ui(self, directory):
# UI style
QtGui.QApplication.setStyle(QtGui.QStyleFactory.create('macintosh'))
# UI position
self.move(0, 0)
self.resolution = QtGui.QDesktopWidget().availableGeometry()
self.setGeometry(self.resolution)
self.showFullScreen()
# UI components
self.splitter = QtGui.QSplitter(QtCore.Qt.Horizontal)
# pane1
self.left = QtGui.QFrame(self)
self.left.setFrameShape(QtGui.QFrame.StyledPanel)
self.scene = QtGui.QGraphicsScene()
self.view = GraphicsView(None, self.scene, self.left)
self.view.setDragMode(QtGui.QGraphicsView.ScrollHandDrag)
self.view.setMinimumSize(.8*self.resolution.width(),
self.resolution.height())
self.view.setCacheMode(QtGui.QGraphicsView.CacheBackground)
self.view.setViewportUpdateMode(QtGui.QGraphicsView.BoundingRectViewportUpdate)
self.splitter.addWidget(self.view)
# pane2
self.right = QtGui.QSplitter(QtCore.Qt.Vertical)
self.right_top_model = QtGui.QDirModel()
self.right_top_model.setNameFilters(['*.png'])
self.right_top_model.setFilter(QtCore.QDir.AllDirs|QtCore.QDir.Files|
QtCore.QDir.NoDotAndDotDot|QtCore.QDir.CaseSensitive)
self.right_top_model.setSorting(QtCore.QDir.Name|QtCore.QDir.DirsFirst)
self.right_top_tree = FileTree(self.right_top_model, directory)
QtCore.QObject.connect(self.right_top_tree,
QtCore.SIGNAL("clicked(QModelIndex)"), self.right_top_clicked)
self.right.addWidget(self.right_top_tree)
self.right_bottom_tree = FileTree(None, directory)
QtCore.QObject.connect(self.right_bottom_tree,
QtCore.SIGNAL("clicked(QModelIndex)"), self.right_bottom_clicked)
self.right.addWidget(self.right_bottom_tree)
self.splitter.addWidget(self.right)
self.setCentralWidget(self.splitter)
def load_image(self, filename, qwidget):
print >> sys.stderr, "Window::load_image(%s)" % filename
self.filename = filename
self.qwidget = qwidget
if filename and os.path.isfile(filename) \
and os.path.splitext(filename)[1].endswith('.png'):
[self.scene.removeItem(item) for item in self.scene.items()]
self.image = Image.open(str(filename))
width, height = self.image.size
self.pixmap = QtGui.QPixmap(filename)
self.qgpi = QtGui.QGraphicsPixmapItem(self.pixmap)
self.scene.addItem(self.qgpi)
self.scene.setSceneRect(self.scene.itemsBoundingRect())
self.view.centerOn(self.view.size().width()/2,
self.view.size().height()/2)
assert len(self.scene.items()) == 1
self.view.scene = self.scene
self.view.pixmap = self.pixmap
# print >> sys.stderr, self.left.size(), self.view.size(), self.scene.sceneRect(), self.scene.itemsBoundingRect(), (width, height)
def right_top_clicked(self, index):
print >> sys.stderr, 'Window::right_top_clicked()'
if index and index.isValid() and index.row() >= 0:
model = index.model()
if model:
path = str(model.filePath(index))
if os.path.isfile(path) \
and os.path.splitext(path)[1].endswith('.png'):
print >> sys.stderr, 'Window::show_image(%s)' % path
self.load_image(path, self.left)
self.right_bottom_tree.setModel(None)
elif os.path.isdir(path) and model.isDir(index):
print >> sys.stderr, 'Window::show_dir(%s)' % path
self.model = QtGui.QDirModel()
self.model.setNameFilters(['*.png'])
self.model.setFilter(QtCore.QDir.Files|
QtCore.QDir.NoDotAndDotDot|QtCore.QDir.CaseSensitive)
self.model.setSorting(QtCore.QDir.Name)
self.right_bottom_tree.setModel(self.model)
self.right_bottom_tree.setRootIndex(self.model.index(path))
[self.right_bottom_tree.hideColumn(n) for n in xrange(1,4)]
self.right_bottom_tree.header().hide()
self.right_bottom_tree.setColumnWidth(0,256)
# clear image loaded
def right_bottom_clicked(self, index):
if index and index.isValid() and index.row() >= 0:
model = index.model()
if model:
path = str(model.filePath(index))
if os.path.isfile(path) \
and os.path.splitext(path)[1].endswith('.png'):
print >> sys.stderr, 'Window::right_bottom_clicked(%s)' % path
self.load_image(path, self.left)
def keyPressEvent(self, event):
if isinstance(event, QtGui.QKeyEvent):
event.accept()
else:
event.ignore()
if event.key() == QtCore.Qt.Key_Q \
and QtGui.QMessageBox.question(self, 'Question',
"Exit application?", QtGui.QMessageBox.Yes|QtGui.QMessageBox.No,
QtGui.QMessageBox.No) == QtGui.QMessageBox.Yes:
self.close()
sys.exit(0)
QtGui.QMainWindow.keyPressEvent(self,event)
def handleMessage(self, message):
print >> sys.stderr, 'Window::handleMessage(%s)' % message
def closeEvent(self, event):
QtGui.QApplication.instance().quit()
class Mainwindow(QMainWindow, UI_mainwindow.Ui_WaterRescue):
def __init__(self, parent=None):
super(Mainwindow, self).__init__(parent)
self.setupUi(self)
self.graphicsView = GraphicsView()
self.verticalLayout_5.addWidget(self.graphicsView)
self.graphicsView.setGeometry(0, 0, 874, 600)
self.viewwidth = self.graphicsView.width()
self.viewheight = self.graphicsView.height()
self.scene = QGraphicsScene()
self.scene.setSceneRect(-self.viewwidth * 100, -self.viewheight * 100,
self.viewwidth * 200, self.viewheight * 200)
# 这样就不会被大小限制住，这样scene可以随着view的变化而变化。
self.graphicsView.setScene(self.scene)
self.deleteitemsx = []
self.deleteitemsy = []
self.circleitem = []
self.axisitemx = []
self.axisitemy = []
self.textitemx = []
self.textitemy = []
self.sc = 1
self.lastsc = 1
self.sumscale = 1
self.jishu = 1
self.start = 0
self.fenmiao = 1
self.NS = 'N'
self.WE = 'E'
self.addorigin = False
self.xiugaihouzuobiao = None
self.origin = None
self.listpositionexample = None
self.addpositionexample = None
self.updateUi()
self.connect(self.filedefault, SIGNAL('triggered()'), self.configure)
def xfloat(self, DWL, CWL, SeaSp, SeaA, TrendSp, TrenA, WcS, WcA, WindA):
return DWL * sin(WindA) + CWL * cos(WindA) + SeaSp * sin(
SeaA) + TrendSp * sin(TrenA) + WcS * sin(WcA)
def yfloat(self, DWL, CWL, SeaSp, SeaA, TrendSp, TrenA, WcS, WcA, WindA):
return DWL * cos(WindA) - CWL * sin(WindA) + SeaSp * cos(
SeaA) + TrendSp * cos(TrenA) + WcS * cos(WcA)
def Transfor(self, alljw):
for jw in alljw:
jw[0] = jw[0] * 20037508.34 / 180
jw[1] = math.log(math.tan((90 + jw[1]) * PI / 360)) / (PI / 180)
jw[1] = jw[1] * 20037508.34 / 180
return alljw
def Transback(self, alljw):
for jw in alljw:
jw[0] = jw[0] / 20037508.34 * 180
jw[1] = jw[1] / 20037508.34 * 180
jw[1] = 180 / PI * (2 * math.atan(math.exp(jw[1] * PI / 180)) -
PI / 2)
return alljw
def Float(self, alljw):
conf = ConfigObj('Config')
MenDWL = float(conf['MenDWL']) / 100
MenCWL = float(conf['MenCWL']) / 100
MenDWLerror = float(conf['MenDWLerror']) / 100
MenCWLerror = float(conf['MenCWLerror']) / 100
LifeBoatDWL = float(conf['LifeBoatDWL']) / 100
LifeBoatCWL = float(conf['LifeBoatCWL']) / 100
LifeBoatDWLerror = float(conf['LifeBoatDWLerror']) / 100
LifeBoatCWLerror = float(conf['LifeBoatCWLerror']) / 100
ShipDWL = float(conf['ShipDWL']) / 100
ShipCWL = float(conf['ShipCWL']) / 100
ShipDWLerror = float(conf['ShipDWLerror']) / 100
ShipCWLerror = float(conf['ShipCWLerror']) / 100
WindSpeed = self.WindSpeeddoubleSpinBox.value() / 3.6
WindAngle = self.WindAngledoubleSpinBox.value() * PI / 180
SeaSpeed = self.SeaSpeeddoubleSpinBox.value() / 3.6
SeaAngle = self.SeaAngledoubleSpinBox.value() * PI / 180
TrendSpeed = self.TrendSpeeddoubleSpinBox.value() / 3.6
TrendAngle = self.TrendAngledoubleSpinBox.value() * PI / 180
Time = self.TimespinBox_1.value() * 3600 + self.TimespinBox_2.value(
) * 60 + self.TimespinBox_3.value()
MenDWLSpeed = MenDWL * WindSpeed + MenDWLerror
MenCWLSpeed = MenCWL * WindSpeed + MenCWLerror
LifeDWLSpeed = LifeBoatDWL * WindSpeed + LifeBoatDWLerror
LifeCWLSpeed = LifeBoatCWL * WindSpeed + LifeBoatCWLerror
ShipDWLSpeed = ShipDWL * WindSpeed + ShipDWLerror
ShipCWLSpeed = ShipCWL * WindSpeed + ShipCWLerror
if WindSpeed < 9.25:
Wc_Speed = 0.09
else:
Wc_Speed = (0.230446 + 0.0070957 * WindSpeed * 0.514)**2 + 0.09
Wc_Angle = (-35.338 + 3587.98 /
(0.514 * WindSpeed) + WindAngle) * PI / 180
Menxfloat = self.xfloat(MenDWLSpeed, MenCWLSpeed, SeaSpeed, SeaAngle,
TrendSpeed, TrendAngle, Wc_Speed, Wc_Angle,
WindAngle) * Time
Menyfloat = self.yfloat(MenDWLSpeed, MenCWLSpeed, SeaSpeed, SeaAngle,
TrendSpeed, TrendAngle, Wc_Speed, Wc_Angle,
WindAngle) * Time
Lifexfloat = self.xfloat(LifeDWLSpeed, LifeCWLSpeed, SeaSpeed,
SeaAngle, TrendSpeed, TrendAngle, Wc_Speed,
Wc_Angle, WindAngle) * Time
Lifeyfloat = self.yfloat(LifeDWLSpeed, LifeCWLSpeed, SeaSpeed,
SeaAngle, TrendSpeed, TrendAngle, Wc_Speed,
Wc_Angle, WindAngle) * Time
Shipxfloat = self.xfloat(ShipDWLSpeed, ShipCWLSpeed, SeaSpeed,
SeaAngle, TrendSpeed, TrendAngle, Wc_Speed,
Wc_Angle, WindAngle) * Time
Shipyfloat = self.yfloat(ShipDWLSpeed, ShipCWLSpeed, SeaSpeed,
SeaAngle, TrendSpeed, TrendAngle, Wc_Speed,
Wc_Angle, WindAngle) * Time
for jw in alljw:
jw[0] = jw[0] + Menxfloat
jw[1] = jw[1] + Menyfloat
return alljw
def p(self, s=None):
if not s:
return
self.__dirty = True
self.start = 0
self.addorigin = True
if self.circleitem:
self.graphicsView.scale(1 / self.sumscale, 1 / self.sumscale)
for i in self.circleitem:
if i.pos().x()>= -self.viewwidth * 100 and i.pos().x() <= self.viewwidth * 100\
and i.pos().y()>= -self.viewheight * 100 and i.pos().y() <= self.viewheight * 100:
self.scene.removeItem(i)
self.circleitem = []
self.graphicsView.centerOn(QPoint(0, 0))
self.sumscale = 1
weidu, jingdu = s.split('-')
self.originj = jingdu.split(',')
self.originw = weidu.split(',')
self.NS = weidu[-1]
self.WE = jingdu[-1]
self.xiugaihouzuobiao = self.initialize()
linshi = self.pointpos([self.originw, self.originj])
self.updateUi()
self.axis()
def initialize(self):
self.__dirty = True
choice = []
for i in range(61):
choice.append(int(i))
a = self.originw
b = self.originj
c = []
if self.NS == 'N':
for i in choice:
if i >= float(a[2][:-1]):
break
elif self.NS == 'S':
for i in choice:
if i >= float(a[2][:-1]):
if i != 0:
i -= 10
break
if i != 60:
c.append([a[0], a[1], i])
else:
if int(a[1]) + 1 == 60:
c.append([int(a[0]) + 1, 0, 0])
else:
c.append([a[0], int(a[1]) + 1, 0])
if self.WE == 'E':
for i in choice:
if i >= float(b[2][:-1]):
break
elif self.WE == 'W':
for i in choice:
if i >= float(b[2][:-1]):
if i != 0:
i -= 10
break
if i != 60:
c.append([b[0], b[1], i])
else:
if int(a[1]) + 1 == 60:
c.append([int(b[0]) + 1, 0, 0])
else:
c.append([b[0], int(b[1]) + 1, 0])
return c
def convert1(self, index, NSWE=None):
self.__dirty = True
if self.NS == 'N' or NSWE == 'N':
index = -index / 100
else:
index = index / 100
if index >= 0:
a = self.xiugaihouzuobiao[0][2] + index % 60
b = int(self.xiugaihouzuobiao[0][1]) + int(index / 60) % 60
c = int(self.xiugaihouzuobiao[0][0]) + int(index / 60 / 60)
else:
a = self.xiugaihouzuobiao[0][2] - abs(index) % 60
b = int(self.xiugaihouzuobiao[0][1]) - int(abs(index) / 60) % 60
c = int(self.xiugaihouzuobiao[0][0]) - int(abs(index) / 60 / 60)
if a >= 60:
a -= 60
b += 1
elif a < 0:
a += 60
b -= 1
if b >= 60:
b -= 60
c += 1
elif b < 0:
b += 60
c -= 1
if c == b == a == 0:
return "0°0'0''"
if c >= 0 and self.NS == 'N':
return "%s°%s'%.5s''N" % (c, b, a)
elif c < 0 and self.NS == 'N':
if a == 0:
a = 0
if b == 0:
b = 0
c = -c
else:
b = 60 - b
c = -c - 1
else:
a = 60 - a
b = 60 - b - 1
c = -c - 1
return "%s°%s'%.5s''S" % (c, b, a)
if c >= 0 and self.NS == 'S':
return "%s°%s'%.5s''S" % (c, b, a)
elif c < 0 and self.NS == 'S':
if a == 0:
a = 0
if b == 0:
b = 0
c = -c
else:
b = 60 - b
c = -c - 1
else:
a = 60 - a
b = 60 - b - 1
c = -c - 1
return "%s°%s'%.5s''N" % (c, b, a)
def convert2(self, index, NSWE=None):
self.__dirty = True
if self.NS == 'N' or NSWE == 'N':
index = -index / 100
c = index / 60 / 60+int(self.xiugaihouzuobiao[0][0])\
+int(self.xiugaihouzuobiao[0][1])/60+self.xiugaihouzuobiao[0][2]/3600
if c == 0:
return "0°"
elif c > 0:
return "%.7s°N" % (c)
elif c < 0:
return "%.7s°S" % (-c)
else:
index = index / 100
c = index / 60 / 60+int(self.xiugaihouzuobiao[0][0])\
+int(self.xiugaihouzuobiao[0][1])/60+self.xiugaihouzuobiao[0][2]/3600
if c == 0:
return "0°"
elif c > 0:
return "%.7s°S" % (c)
elif c < 0:
return "%.7s°N" % (-c)
def convert3(self, index, NSWE=None):
self.__dirty = True
if self.WE == 'E' or NSWE == 'E':
index = -index / 100
else:
index = index / 100
if index >= 0:
a = self.xiugaihouzuobiao[1][2] - index % 60
b = int(self.xiugaihouzuobiao[1][1]) - int(index / 60) % 60
c = int(self.xiugaihouzuobiao[1][0]) - int(index / 60 / 60)
else:
a = self.xiugaihouzuobiao[1][2] + abs(index) % 60
b = int(self.xiugaihouzuobiao[1][1]) + int(abs(index) / 60) % 60
c = int(self.xiugaihouzuobiao[1][0]) + int(abs(index) / 60 / 60)
if a >= 60:
a -= 60
b += 1
elif a < 0:
a += 60
b -= 1
if b >= 60:
b -= 60
c += 1
elif b < 0:
b += 60
c -= 1
if c == b == a == 0:
return "0°0'0''"
if c >= 0 and self.WE == 'E':
if c < 180:
return "%s°%s'%.5s''E" % (c, b, a)
elif c == 180:
if b == a == 0:
return "180°0'0''"
elif a == 0:
return "%s°%s'%.5s''W" % (179, 60 - b, 0)
else:
return "%s°%s'%.5s''W" % (179, 59 - b, 60 - a)
elif c > 180:
if a == 0:
a = 0
if b == 0:
c = 360 - c
else:
b = 60 - b
c = 359 - c
else:
a = 60 - a
b = 59 - b
c = 359 - c
return "%s°%s'%.5s''W" % (c, b, a)
elif c < 0 and self.WE == 'E':
if a == 0:
a = 0
if b == 0:
b = 0
c = -c
else:
b = 60 - b
c = -c - 1
else:
a = 60 - a
b = 60 - b - 1
c = -c - 1
if c < 180:
return "%s°%s'%.5s''W" % (c, b, a)
if c == 180 and b == a == 0:
return "180°0'0''"
if c > 180:
if a == 0:
a = 0
if b == 0:
c = 360 - c
else:
b = 60 - b
c = 359 - c
else:
a = 60 - a
b = 59 - b
c = 359 - c
return "%s°%s'%.5s''E" % (c, b, a)
if c >= 0 and self.WE == 'W':
if c < 180:
return "%s°%s'%.5s''W" % (c, b, a)
elif c == 180:
if b == a == 0:
return "180°0'0''"
elif a == 0:
return "%s°%s'%.5s''E" % (179, 60 - b, 0)
else:
return "%s°%s'%.5s''E" % (179, 59 - b, 60 - a)
elif c > 180:
if a == 0:
a = 0
if b == 0:
c = 360 - c
else:
b = 60 - b
c = 359 - c
else:
a = 60 - a
b = 59 - b
c = 359 - c
return "%s°%s'%.5s''E" % (c, b, a)
elif c < 0 and self.WE == 'W':
if a == 0:
a = 0
if b == 0:
b = 0
c = -c
else:
b = 60 - b
c = -c - 1
else:
a = 60 - a
b = 60 - b - 1
c = -c - 1
if c < 180:
return "%s°%s'%.5s''E" % (c, b, a)
if c == 180 and b == a == 0:
return "180°0'0''"
if c > 180:
if a == 0:
a = 0
if b == 0:
c = 360 - c
else:
b = 60 - b
c = 359 - c
else:
a = 60 - a
b = 59 - b
c = 359 - c
return "%s°%s'%.5s''W" % (c, b, a)
def convert4(self, index, NSWE=None):
self.__dirty = True
if self.WE == 'E' or NSWE == 'E':
index = -index / 100
c = index / 60 / 60+int(self.xiugaihouzuobiao[0][0])\
+int(self.xiugaihouzuobiao[0][1])/60+self.xiugaihouzuobiao[0][2]/3600
if c == 0:
return "0°"
elif c > 0:
return "%.7s°W" % (c)
elif c == 180:
return "180°"
elif c > 180:
return "%.7s°E" % (360 - c)
elif c < 0:
return "%.7s°E" % (-c)
else:
index = index / 100
c = index / 60 / 60+int(self.xiugaihouzuobiao[0][0])\
+int(self.xiugaihouzuobiao[0][1])/60+self.xiugaihouzuobiao[0][2]/3600
if c == 0:
return "0°"
elif c > 0 and c < 180:
return "%.7s°E" % (c)
elif c == 180:
return "180°"
elif c > 180:
return "%.7s°W" % (360 - c)
elif c < 0:
return "%.7s°W" % (-c)
def axis(self):
self.__dirty = True
pos1 = self.graphicsView.mapToScene(0, 0)
pos2 = self.graphicsView.mapToScene(self.graphicsView.width(),
self.graphicsView.height())
for i in self.textitemx:
self.scene.removeItem(i)
self.textitemx = []
for i in self.textitemy:
self.scene.removeItem(i)
self.textitemy = []
pos3 = [(-pos1.x() + pos2.x()) / 15 + pos1.x(),
(pos1.y() - pos2.y()) / 10 + pos2.y()]
for i in self.axisitemx:
if i.index >= -self.viewwidth * 100 and i.index <= self.viewwidth * 100:
h = QGraphicsTextItem()
h.setPlainText('%s' % str(self.convert3(i.index)) if self.fenmiao==1\
else '%s'%str(self.convert4(i.index)))
self.textitemx.append(h)
h.setPos(i.index, pos3[1])
self.scene.addItem(h)
h.setScale(1 / self.sumscale)
for i in self.axisitemy:
if i.index >= -self.viewheight * 100 and i.index <= self.viewheight * 100:
h = QGraphicsTextItem()
h.setPlainText('%s' % str(self.convert1(i.index)) if self.fenmiao==1\
else '%s' %str(self.convert2(i.index)))
self.textitemy.append(h)
h.setPos(pos3[0], i.index)
h.rotate(90)
self.scene.addItem(h)
h.setScale(1 / self.sumscale)
def pointzuobiao(self, pos):
self.__dirty = True
pointx = self.convert1(pos.y())
pointy = self.convert3(pos.x())
return('%s,%s'%(pointx, pointy))\
def pointzuobiao1(self, pos):
self.__dirty = True
pointx = self.convert2(pos.y())
pointy = self.convert4(pos.x())
return ('%s,%s' % (pointx, pointy))
def pointpos1(self, zuobiao=None): #坐标形式为["0°0'0''N", "0°0'0''E"]
a = zuobiao[0].split('°')
du = a[0]
b = a[1].split("'")
fen = b[0]
miao = b[1] + b[3]
a = zuobiao[1].split('°')
du1 = a[0]
b = a[1].split("'")
fen1 = b[0]
miao1 = b[1] + b[3]
return ([[du, fen, miao], [du1, fen1, miao1]])
def pointpos(self, zuobiao=None): #坐标形式为（[[0,0,000N],[0,0,00E]]）
self.__dirty = True
if zuobiao and self.xiugaihouzuobiao:
a=int(self.xiugaihouzuobiao[0][0])*3600 \
+ int(self.xiugaihouzuobiao[0][1]) * 60 + self.xiugaihouzuobiao[0][2]
if zuobiao[0][2][-1] == 'N' or zuobiao[0][2][-1] == 'S':
b=int(zuobiao[0][0])*3600 \
+ int(zuobiao[0][1]) * 60 + float(zuobiao[0][2][:-1])
else:
b = int(zuobiao[0][0]) * 3600 \
+ int(zuobiao[0][1]) * 60 + float(zuobiao[0][2])
c=int(self.xiugaihouzuobiao[1][0]) *3600\
+ int(self.xiugaihouzuobiao[1][1]) * 60 + self.xiugaihouzuobiao[1][2]
if zuobiao[1][2][-1] == "E" or zuobiao[1][2][-1] == 'W':
d=int(zuobiao[1][0])*3600 \
+ int(zuobiao[1][1]) * 60 + float(zuobiao[1][2][:-1])
else:
d = int(zuobiao[1][0]) * 3600 \
+ int(zuobiao[1][1]) * 60 + float(zuobiao[1][2])
if a == 0:
if zuobiao[0][2][-1] == 'N':
e = a - b
elif zuobiao[0][2][-1] == 'S':
e = b - a
else:
e = 0
elif a != 0:
if self.NS == 'N':
if zuobiao[0][2][-1] == 'N':
e = a - b
elif zuobiao[0][2][-1] == 'S':
e = a + b
else:
e = a
elif self.NS == 'S':
if zuobiao[0][2][-1] == 'N':
e = -a - b
elif zuobiao[0][2][-1] == 'S':
e = b - a
else:
e = -a
if b == 0:
if zuobiao[1][2][-1] == 'W':
f = c - d
elif zuobiao[1][2][-1] == 'E':
f = d - c
else:
f = 0
elif b != 0:
if self.WE == 'E':
if zuobiao[1][2][-1] == 'E':
f = d - c
elif zuobiao[1][2][-1] == 'W':
f = -d - c
else:
f = -c
elif self.WE == 'W':
if zuobiao[1][2][-1] == 'W':
f = c - d
elif zuobiao[1][2][-1] == 'E':
f = d + c
else:
f = c
return QPoint(100 * f, 100 * e)
def updateUi(self, Pos=None):
self.__dirty = True
if self.sumscale == 1 and self.start == 0:
for i in self.axisitemx:
if i.index >= -self.viewwidth * 100 and i.index <= self.viewwidth * 100:
self.scene.removeItem(i)
del i
self.axisitemx = []
for i in self.axisitemy:
if i.index >= -self.viewheight * 100 and i.index <= self.viewheight * 100:
self.scene.removeItem(i)
del i
self.axisitemy = []
n = 1
jishu = -15 * 200
while n <= 31:
linshi = GraphicsLineItem(jishu, -self.viewheight * 100, jishu,
self.viewheight * 100)
linshi.setindex(jishu)
linshi.setPen(QPen(QColor(10, 100, 240)))
self.axisitemx.append(linshi)
self.scene.addItem(linshi)
n += 1
jishu += 200
jishu = -15 * 200
n = 1
while n <= 31:
linshi = GraphicsLineItem(-self.viewwidth * 100, jishu,
self.viewwidth * 100, jishu)
linshi.setindex(jishu)
linshi.setPen(QPen(QColor(10, 100, 240)))
self.axisitemy.append(linshi)
self.scene.addItem(linshi)
jishu += 200
n += 1
elif self.lastsc >= 2:
for i in self.axisitemx:
if i.index >= -self.viewwidth * 100 and i.index <= self.viewwidth * 100:
self.scene.removeItem(i)
for i in range(len(self.axisitemx)):
self.deleteitemsx.append(i)
self.deleteitemsx.reverse()
self.deleteitemsx.pop()
span = (self.axisitemx[1].index - self.axisitemx[0].index) / 2
for i in self.deleteitemsx:
linshi = GraphicsLineItem(self.axisitemx[i].index - span,
-self.viewheight * 100,
self.axisitemx[i].index - span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[i].index - span)
self.axisitemx.insert(i, linshi)
n = len(self.axisitemx)
for i in range(int(n / 4)):
self.axisitemx.pop(len(self.axisitemx) - 1)
self.axisitemx.pop(0)
self.deleteitemsx = []
for i in self.axisitemx:
if i.index >= -self.viewwidth * 100 and i.index <= self.viewwidth * 100:
self.scene.addItem(i)
for i in self.axisitemy:
if i.index >= -self.viewheight * 100 and i.index <= self.viewheight * 100:
self.scene.removeItem(i)
for i in range(len(self.axisitemy)):
self.deleteitemsy.append(i)
self.deleteitemsy.reverse()
self.deleteitemsy.pop()
span = (self.axisitemy[1].index - self.axisitemy[0].index) / 2
for i in self.deleteitemsy:
linshi = GraphicsLineItem(-self.viewwidth * 100,
self.axisitemy[i].index - span,
self.viewwidth * 100,
self.axisitemy[i].index - span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[i].index - span)
self.axisitemy.insert(i, linshi)
n = len(self.axisitemy)
for i in range(int(n / 4)):
self.axisitemy.pop(len(self.axisitemy) - 1)
self.axisitemy.pop(0)
self.deleteitemsy = []
for i in self.axisitemy:
if i.index >= -self.viewheight * 100 and i.index <= self.viewheight * 100:
self.scene.addItem(i)
for i in range(len(self.axisitemx)):
if self.axisitemx[i].index > Pos.x():
break
n = int(i - (len(self.axisitemx) - 1) / 2)
span = self.axisitemx[1].index - self.axisitemx[0].index
if n > 0:
for i in range(n):
linshi = GraphicsLineItem(
self.axisitemx[len(self.axisitemx) - 1].index + span,
-self.viewheight * 100,
self.axisitemx[len(self.axisitemx) - 1].index + span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[len(self.axisitemx) -
1].index + span)
if self.axisitemx[0].index >= -self.viewwidth * 100 \
and self.axisitemx[0].index <= self.viewwidth * 100:
self.scene.removeItem(self.axisitemx[0])
if linshi.index <= self.viewwidth * 100 and linshi.index >= -100 * self.viewwidth:
self.scene.addItem(linshi)
self.axisitemx.append(linshi)
self.axisitemx.pop(0)
elif n < 0:
for i in range(-n):
linshi = GraphicsLineItem(self.axisitemx[0].index - span,
-self.viewheight * 100,
self.axisitemx[0].index - span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[0].index - span)
if self.axisitemx[len(self.axisitemx) - 1].index >= -self.viewwidth * 100 \
and self.axisitemx[len(self.axisitemx) - 1].index <= self.viewwidth * 100:
self.scene.removeItem(
self.axisitemx[len(self.axisitemx) - 1])
if linshi.index <= self.viewwidth * 100 and linshi.index >= -self.viewwidth * 100:
self.scene.addItem(linshi)
self.axisitemx.insert(0, linshi)
self.axisitemx.pop()
for i in range(len(self.axisitemy)):
if self.axisitemy[i].index > Pos.y():
break
n = int(i - (len(self.axisitemx) - 1) / 2)
span = self.axisitemy[1].index - self.axisitemy[0].index
if n > 0:
for i in range(n):
linshi = GraphicsLineItem(
-self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span,
self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[len(self.axisitemy) -
1].index + span)
if self.axisitemy[
0].index <= self.viewheight * 100 and self.axisitemy[
0].index >= -self.viewheight * 100:
self.scene.removeItem(self.axisitemy[0])
if linshi.index <= self.viewheight * 100 and linshi.index >= -self.viewheight * 100:
self.scene.addItem(linshi)
self.axisitemy.append(linshi)
self.axisitemy.pop(0)
elif n < 0:
for i in range(-n):
linshi = GraphicsLineItem(-self.viewwidth * 100,
self.axisitemy[0].index - span,
self.viewwidth * 100,
self.axisitemy[0].index - span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[0].index - span)
if self.axisitemy[len(self.axisitemy) - 1].index >= -self.viewheight * 100 \
and self.axisitemy[len(self.axisitemy) - 1].index <= self.viewheight * 100:
self.scene.removeItem(
self.axisitemy[len(self.axisitemy) - 1])
if linshi.index <= self.viewheight * 100 and linshi.index >= -self.viewheight * 100:
self.scene.addItem(linshi)
self.axisitemy.insert(0, linshi)
self.axisitemy.pop()
elif self.lastsc <= 0.5:
span = self.axisitemx[1].index - self.axisitemx[0].index
n = len(self.axisitemx)
for i in range(int(n / 2)):
linshi = GraphicsLineItem(self.axisitemx[0].index - span,
-self.viewheight * 100,
self.axisitemx[0].index - span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[0].index - span)
self.axisitemx.insert(0, linshi)
if linshi.index >= -self.viewwidth * 100 and linshi.index <= self.viewwidth * 100:
self.scene.addItem(linshi)
linshi = GraphicsLineItem(
self.axisitemx[len(self.axisitemx) - 1].index + span,
-self.viewheight * 100,
self.axisitemx[len(self.axisitemx) - 1].index + span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[len(self.axisitemx) - 1].index +
span)
self.axisitemx.append(linshi)
if linshi.index >= -self.viewwidth * 100 and linshi.index <= self.viewwidth * 100:
self.scene.addItem(linshi)
for i in range(len(self.axisitemx)):
if i % 2 != 0:
self.deleteitemsx.append(i)
self.deleteitemsx.reverse()
for i in self.deleteitemsx:
if self.axisitemx[
i].index >= -self.viewwidth * 100 and self.axisitemx[
i].index <= self.viewwidth * 100:
self.scene.removeItem(self.axisitemx[i])
self.axisitemx.pop(i)
self.deleteitemsx = []
span = self.axisitemy[1].index - self.axisitemy[0].index
n = len(self.axisitemy)
for i in range(int(n / 2)):
linshi = GraphicsLineItem(-self.viewwidth * 100,
self.axisitemy[0].index - span,
self.viewwidth * 100,
self.axisitemy[0].index - span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[0].index - span)
self.axisitemy.insert(0, linshi)
if linshi.index >= -self.viewheight * 100 and linshi.index <= self.viewheight * 100:
self.scene.addItem(linshi)
linshi = GraphicsLineItem(
-self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span,
self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[len(self.axisitemy) - 1].index +
span)
self.axisitemy.append(linshi)
if linshi.index >= -self.viewheight * 100 and linshi.index <= self.viewheight * 100:
self.scene.addItem(linshi)
for i in range(len(self.axisitemy)):
if i % 2 != 0:
self.deleteitemsy.append(i)
self.deleteitemsy.reverse()
for i in self.deleteitemsy:
if self.axisitemy[
i].index <= self.viewheight * 100 and self.axisitemy[
i].index >= -self.viewheight * 100:
self.scene.removeItem(self.axisitemy[i])
self.axisitemy.pop(i)
self.deleteitemsy = []
for i in range(len(self.axisitemx)):
if self.axisitemx[i].index > Pos.x():
break
n = int(i - (len(self.axisitemx) - 1) / 2)
span = self.axisitemx[1].index - self.axisitemx[0].index
if n > 0:
for i in range(n):
linshi = GraphicsLineItem(
self.axisitemx[len(self.axisitemx) - 1].index + span,
-self.viewheight * 100,
self.axisitemx[len(self.axisitemx) - 1].index + span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[len(self.axisitemx) -
1].index + span)
if self.axisitemx[
0].index >= -self.viewwidth * 100 and self.axisitemx[
0].index <= self.viewwidth * 100:
self.scene.removeItem(self.axisitemx[0])
if linshi.index <= self.viewwidth * 100 and linshi.index >= -100 * self.viewwidth:
self.scene.addItem(linshi)
self.axisitemx.append(linshi)
self.axisitemx.pop(0)
elif n < 0:
for i in range(-n):
linshi = GraphicsLineItem(self.axisitemx[0].index - span,
-self.viewheight * 100,
self.axisitemx[0].index - span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[0].index - span)
if self.axisitemx[len(self.axisitemx) - 1].index >= -self.viewwidth * 100 \
and self.axisitemx[len(self.axisitemx) - 1].index <= self.viewwidth * 100:
self.scene.removeItem(
self.axisitemx[len(self.axisitemx) - 1])
if linshi.index <= self.viewwidth * 100 and linshi.index >= -self.viewwidth * 100:
self.scene.addItem(linshi)
self.axisitemx.insert(0, linshi)
self.axisitemx.pop()
for i in range(len(self.axisitemy)):
if self.axisitemy[i].index > Pos.y():
break
n = int(i - (len(self.axisitemx) - 1) / 2)
span = self.axisitemy[1].index - self.axisitemy[0].index
if n > 0:
for i in range(n):
linshi = GraphicsLineItem(
-self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span,
self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[len(self.axisitemy) -
1].index + span)
if self.axisitemy[
0].index <= self.viewheight * 100 and self.axisitemy[
0].index >= -self.viewheight * 100:
self.scene.removeItem(self.axisitemy[0])
if linshi.index <= self.viewheight * 100 and linshi.index >= -self.viewheight * 100:
self.scene.addItem(linshi)
self.axisitemy.append(linshi)
self.axisitemy.pop(0)
elif n < 0:
for i in range(-n):
linshi = GraphicsLineItem(-self.viewwidth * 100,
self.axisitemy[0].index - span,
self.viewwidth * 100,
self.axisitemy[0].index - span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[0].index - span)
if self.axisitemy[len(self.axisitemy) - 1].index >= -self.viewheight * 100 \
and self.axisitemy[len(self.axisitemy) - 1].index <= self.viewheight * 100:
self.scene.removeItem(
self.axisitemy[len(self.axisitemy) - 1])
if linshi.index <= self.viewheight * 100 and linshi.index >= -self.viewheight * 100:
self.scene.addItem(linshi)
self.axisitemy.insert(0, linshi)
self.axisitemy.pop()
elif self.start == 2:
for i in range(len(self.axisitemx)):
if self.axisitemx[i].index > Pos.x():
break
n = int(i - (len(self.axisitemx) - 1) / 2)
span = self.axisitemx[1].index - self.axisitemx[0].index
if n > 0:
for i in range(n):
linshi = GraphicsLineItem(
self.axisitemx[len(self.axisitemx) - 1].index + span,
-self.viewheight * 100,
self.axisitemx[len(self.axisitemx) - 1].index + span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[len(self.axisitemx) -
1].index + span)
if self.axisitemx[
0].index >= -self.viewwidth * 100 and self.axisitemx[
0].index <= self.viewwidth * 100:
self.scene.removeItem(self.axisitemx[0])
if linshi.index <= self.viewwidth * 100 and linshi.index >= -100 * self.viewwidth:
self.scene.addItem(linshi)
self.axisitemx.append(linshi)
self.axisitemx.pop(0)
elif n < 0:
for i in range(-n):
linshi = GraphicsLineItem(self.axisitemx[0].index - span,
-self.viewheight * 100,
self.axisitemx[0].index - span,
self.viewheight * 100)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemx[0].index - span)
if self.axisitemx[len(self.axisitemx) - 1].index >= -self.viewwidth * 100 \
and self.axisitemx[len(self.axisitemx) - 1].index <= self.viewwidth * 100:
self.scene.removeItem(
self.axisitemx[len(self.axisitemx) - 1])
if linshi.index <= self.viewwidth * 100 and linshi.index >= -self.viewwidth * 100:
self.scene.addItem(linshi)
self.axisitemx.insert(0, linshi)
self.axisitemx.pop()
for i in range(len(self.axisitemy)):
if self.axisitemy[i].index > Pos.y():
break
n = int(i - (len(self.axisitemx) - 1) / 2)
span = self.axisitemy[1].index - self.axisitemy[0].index
if n > 0:
for i in range(n):
linshi = GraphicsLineItem(
-self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span,
self.viewwidth * 100,
self.axisitemy[len(self.axisitemy) - 1].index + span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[len(self.axisitemy) -
1].index + span)
if self.axisitemy[
0].index <= self.viewheight * 100 and self.axisitemy[
0].index >= -self.viewheight * 100:
self.scene.removeItem(self.axisitemy[0])
if linshi.index <= self.viewheight * 100 and linshi.index >= -self.viewheight * 100:
self.scene.addItem(linshi)
self.axisitemy.append(linshi)
self.axisitemy.pop(0)
elif n < 0:
for i in range(-n):
linshi = GraphicsLineItem(-self.viewwidth * 100,
self.axisitemy[0].index - span,
self.viewwidth * 100,
self.axisitemy[0].index - span)
linshi.setPen(QPen(QColor(10, 100, 240)))
linshi.setindex(self.axisitemy[0].index - span)
if self.axisitemy[len(self.axisitemy) - 1].index >= -self.viewheight * 100 \
and self.axisitemy[len(self.axisitemy) - 1].index <= self.viewheight * 100:
self.scene.removeItem(
self.axisitemy[len(self.axisitemy) - 1])
if linshi.index <= self.viewheight * 100 and linshi.index >= -self.viewheight * 100:
self.scene.addItem(linshi)
self.axisitemy.insert(0, linshi)
self.axisitemy.pop()
def drawcircle(self, position):
self.__dirty = True
singlepoint = SinglePoint(position, 10)
singlepoint.scale(1 / self.sumscale, 1 / self.sumscale)
singlepoint.setToolTip(self.pointzuobiao(position))
self.scene.addItem(singlepoint)
self.circleitem.append(singlepoint)
return singlepoint
def keyPressEvent(self, event):
if event.modifiers() & Qt.ControlModifier:
if event.key() == Qt.Key_R and self.origin:
if self.addorigin:
self.start = 0
if self.circleitem:
self.graphicsView.scale(1 / self.sumscale,
1 / self.sumscale)
for i in self.circleitem:
i.scale(self.sumscale, self.sumscale)
self.graphicsView.centerOn(self.origin)
self.sumscale = 1
self.updateUi()
self.axis()
if event.modifiers() & Qt.ShiftModifier:
if event.key() == Qt.Key_C:
if self.addorigin:
self.fenmiao = ~self.fenmiao
self.axis()
def mousePressEvent(self, event):
self.start = 1
pos = self.graphicsView.mapFromGlobal(
event.globalPos()) # event.globalPos()与QCursor.pos()一样
if 0 <= pos.x() <= self.viewwidth * 200 and 0 <= pos.y(
) <= self.viewwidth * 200:
if self.addorigin:
if event.buttons() == Qt.LeftButton:
pass
if event.buttons() == Qt.RightButton:
self.__dirty = True
self.drawcircle(self.graphicsView.mapToScene(pos))
elif event.buttons() == Qt.MiddleButton:
pass
QGraphicsView.mousePressEvent(self.graphicsView, event)
# QGraphicsView::NoDrag ：忽略鼠标事件，不可以拖动。
# QGraphicsView::ScrollHandDrag ：光标变为手型，可以拖动场景进行移动。
# QGraphicsView::RubberBandDrag ：使用橡皮筋效果，进行区域选择，可以选中一个区域内的所有图形项。
else:
QMessageBox.about(self, '提示', '''请先确定遇难位置''')
def mouseReleaseEvent(self, event):
if self.addorigin:
pos = self.graphicsView.mapFromGlobal(event.globalPos())
pos = self.graphicsView.mapToScene(pos)
self.start = 2
self.updateUi(pos)
self.axis()
def deleteItem(self):
item = self.scene.selectedItems()
if len(item) == 0:
return
else:
self.circleitem.remove(item[0])
self.scene.removeItem(item[0])
del item
def wheelEvent(self, event):
if self.addorigin:
self.__dirty = True
pos = self.graphicsView.mapFromGlobal(event.globalPos())
pos = self.graphicsView.mapToScene(pos)
self.sc = 1.001**event.delta()
if self.sumscale < 0.01 and self.sc < 1:
return
if self.sumscale > 100 and self.sc > 1:
return
self.sumscale *= self.sc
self.lastsc *= self.sc
self.graphicsView.scale(self.sc, self.sc)
for i in self.circleitem:
i.scale(1 / self.sc, 1 / self.sc)
if self.lastsc >= 2:
self.updateUi(pos)
self.lastsc = 1
self.jishu += 1
elif self.lastsc <= 0.5:
self.updateUi(pos)
self.lastsc = 1
self.jishu -= 1
self.axis()
else:
QMessageBox.about(self, '提示', '''请先选择飞机降落点''')
def configure(self):
configureexample = Configure.ConfDlg(self)
configureexample.show()
def Getjw(self):
alljw = []
for i in self.circleitem:
jw = self.pointzuobiao1(i.pos())
print(jw)
jw = jw.replace('N,', '')
jw = jw.replace('S,', '')
jw = jw.split('°')
jw = [float(jw[0]), float(jw[1])]
alljw.append(jw)
return alljw
@pyqtSignature('')
def on_pushButton_clicked(self):
planepositionexample = planeposition.PlanePositionDlg(self)
planepositionexample.show()
self.connect(planepositionexample, SIGNAL('ppap(QString)'), self.p)
@pyqtSignature('')
def on_FigurepushButton_clicked(self):
alljw = self.Getjw()
alljw = self.Transfor(alljw)
alljw = self.Float(alljw)
alljw = self.Transback(alljw)
allpoint = [str(jw[0]) + '°N,' + str(jw[1]) + '°W' for jw in alljw]
print(allpoint)
