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worldwindow.py
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#!/usr/bin/python3
#
# Copyright (C) 2017-2023 Sustainable Energy Now Inc., Angus King
#
# worldwindow.py - This file is part of SIREN.
#
# SIREN is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# SIREN is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General
# Public License along with SIREN. If not, see
# <http://www.gnu.org/licenses/>.
#
from math import asin, atan2, cos, degrees, pi, pow, radians, sin, sqrt
import os
import sys
import configparser # decode getfiles.ini file
from PyQt5 import QtCore, QtGui, QtWidgets
try:
import mpl_toolkits.basemap.pyproj as pyproj # Import the pyproj module
except:
import pyproj
from pyproj import Proj as Proj
from colours import Colours
from credits import fileVersion
import displayobject
from editini import EdtDialog, EditSect, SaveIni
from getmodels import getModelFile
from senutils import getParents, getUser
RADIUS = 6367.
scale = {0: '1:500 million', 1: '1:250 million', 2: '1:150 million', 3: '1:70 million',
4: '1:35 million', 5: '1:15 million', 6: '1:10 million', 7: '1:4 million',
8: '1:2 million', 9: '1:1 million', 10: '1:500,000', 11: '1:250,000',
12: '1:150,000', 13: '1:70,000', 14: '1:35,000', 15: '1:15,000', 16: '1:8,000',
17: '1:4,000', 18: '1:2,000', 19: '1:1,000'}
def p2str(p):
return '(%.4f,%.4f)' % (p.y(), p.x())
def reproject(latitude, longitude):
"""Returns the x & y coordinates in meters using a sinusoidal projection"""
earth_radius = RADIUS # in meters
lat_dist = pi * earth_radius / 180.0
y = [lat * lat_dist for lat in latitude]
x = [int * lat_dist * cos(radians(lat))
for lat, int in zip(latitude, longitude)]
return x, y
def area_of_polygon(x, y):
"""Calculates the area of an arbitrary polygon given its verticies"""
area = 0.0
for i in range(-1, len(x)-1):
area += x[i] * (y[i+1] - y[i-1])
return abs(area) / 2.0
def merra_cells(top, lft, bot, rht, latsize=0.5, lonsize=0.625):
top = round((top + (latsize / 2)) / latsize) * latsize
bot = round((bot - (latsize / 2)) / latsize) * latsize
lat = (top - bot) / latsize
lft = round((lft - (lonsize / 2)) / lonsize) * lonsize
rht = round((rht + (lonsize / 2)) / lonsize) * lonsize
lon = (rht - lft) / lonsize
return 'Lat: %s x Lon: %s' % (str(int((top - bot) / latsize)), str(int((rht - lft) / lonsize)))
class GetMany(QtWidgets.QDialog):
def __init__(self, parent=None):
super(GetMany, self).__init__(parent)
layout = QtWidgets.QVBoxLayout(self)
layout.addWidget(QtWidgets.QLabel('Enter Coordinates'))
self.text = QtWidgets.QPlainTextEdit()
self.text.setPlainText('Enter list of coordinates separated by spaces or commas. west lat.,' \
+ ' north lon., east lat., south lon. ...')
layout.addWidget(self.text)
# OK and Cancel buttons
buttons = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel,
QtCore.Qt.Horizontal, self)
buttons.accepted.connect(self.accept)
buttons.rejected.connect(self.reject)
layout.addWidget(buttons)
self.setWindowTitle('SIREN - worldwindow (' + fileVersion() + ") - List of Coordinates")
self.setWindowIcon(QtGui.QIcon('sen_icon32.ico'))
def list(self):
coords = self.text.toPlainText()
if coords != '':
if coords.find(' ') >= 0:
if coords.find(',') < 0:
coords = coords.replace(' ', ',')
else:
coords = coords.replace(' ', '')
coords = coords.replace('\n', '')
bits = coords.split(',')
grids = []
c = 4
for i in range(len(bits)):
if bits[i].lstrip('-').replace('.','',1).isdigit():
if c >= 3:
grids.append([])
c = -1
c += 1
try:
grids[-1].append(float(bits[i]))
except:
grids[-1].append(0.)
return grids
return None
# static method to create the dialog and return
@staticmethod
def getList(parent=None):
dialog = GetMany(parent)
result = dialog.exec_()
return (dialog.list())
class WorldScene(QtWidgets.QGraphicsScene):
def get_config(self):
config = configparser.RawConfigParser()
config_file = getModelFile('getfiles.ini')
config.read(config_file)
parents = []
try:
parents = getParents(config.items('Parents'))
except:
pass
try:
self.map = config.get('Map', 'map_choice')
except:
self.map = ''
try:
self.map_file = config.get('Map', 'map' + self.map)
for key, value in parents:
self.map_file = self.map_file.replace(key, value)
self.map_file = self.map_file.replace('$USER$', getUser())
except:
self.map_file = ''
try:
self.projection = config.get('Map', 'projection' + self.map)
except:
try:
self.projection = config.get('Map', 'projection')
except:
self.projection = 'EPSG:3857'
self.map_upper_left = [85.06, -180.]
self.map_lower_right = [-85.06, 180.]
try:
upper_left = config.get('Map', 'upper_left' + self.map).split(',')
self.map_upper_left[0] = float(upper_left[0].strip())
self.map_upper_left[1] = float(upper_left[1].strip())
lower_right = config.get('Map', 'lower_right' + self.map).split(',')
self.map_lower_right[0] = float(lower_right[0].strip())
self.map_lower_right[1] = float(lower_right[1].strip())
except:
try:
lower_left = config.get('Map', 'lower_left' + self.map).split(',')
upper_right = config.get('Map', 'upper_right' + self.map).split(',')
self.map_upper_left[0] = float(upper_right[0].strip())
self.map_upper_left[1] = float(lower_left[1].strip())
self.map_lower_right[0] = float(lower_left[0].strip())
self.map_lower_right[1] = float(upper_right[1].strip())
except:
pass
self.map_polygon = [[self.map_upper_left[0], self.map_upper_left[1]],
[self.map_upper_left[0], self.map_lower_right[1]],
[self.map_lower_right[0], self.map_lower_right[1]],
[self.map_lower_right[0], self.map_upper_left[1]],
[self.map_upper_left[0], self.map_upper_left[1]]]
self.colors = {}
self.colors['background'] = 'darkBlue'
self.colors['border'] = 'red'
self.colors['grid'] = 'gray'
try:
colours = config.items('Colors')
for item, colour in colours:
self.colors[item] = colour
except:
pass
if self.map != '':
try:
colours = config.items('Colors' + self.map)
for item, colour in colours:
self.colors[item] = colour
except:
pass
self.show_ruler = False
try:
show_ruler = config.get('View', 'show_ruler')
if show_ruler.lower() in ['true', 'yes', 'on']:
self.show_ruler = True
except:
pass
self.ruler = 1000.
self.ruler_ticks = 100.
try:
ruler = config.get('View', 'ruler')
rule = ruler.split(',')
self.ruler = float(rule[0])
if len(rule) > 1:
self.ruler_ticks = float(rule[1].strip())
except:
pass
self.center_on_grid = False
try:
center_on_grid = config.get('View', 'center_on_grid')
if center_on_grid.lower() in ['true', 'yes', 'on']:
self.center_on_grid = True
except:
pass
self.line_width = 0
try:
line_width = config.get('View', 'line_width')
try:
self.line_width = int(line_width)
except:
self.line_width = float(line_width)
except:
pass
self.show_grid = False
try:
show_grid = config.get('View', 'show_grid')
if show_grid.lower() in ['true', 'yes', 'on']:
self.show_grid = True
except:
pass
self.show_mgrid = False
try:
show_mgrid = config.get('View', 'show_era_grid')
if show_mgrid.lower() in ['true', 'yes', 'on']:
self.show_mgrid = True
except:
pass
def destinationxy(self, lon1, lat1, bearing, distance):
"""
Given a start point, initial bearing, and distance, calculate
the destination point and final bearing travelling along a
(shortest distance) great circle arc
"""
radius = RADIUS # km is the radius of the Earth
# convert decimal degrees to radians
ln1, lt1, baring = list(map(radians, [lon1, lat1, bearing]))
# "reverse" haversine formula
lat2 = asin(sin(lt1) * cos(distance / radius) +
cos(lt1) * sin(distance / radius) * cos(baring))
lon2 = ln1 + atan2(sin(baring) * sin(distance / radius) * cos(lt1),
cos(distance / radius) - sin(lt1) * sin(lat2))
return degrees(lon2), degrees(lat2)
def __init__(self):
QtWidgets.QGraphicsScene.__init__(self)
self.exitLoop = False
self.loopMax = 0
self.get_config()
self._gridGroup = None
self._mgridGroup = None
self.setBackgroundBrush(QtGui.QColor(self.colors['background']))
if os.path.exists(self.map_file):
war = QtGui.QImageReader(self.map_file)
wa = war.read()
pixMap = QtGui.QPixmap.fromImage(wa)
else:
ratio = abs(self.map_upper_left[1] - self.map_lower_right[1]) / \
abs(self.map_upper_left[0] - self.map_lower_right[0])
pixMap = QtGui.QPixmap(200 * ratio, 200)
if self.map != '':
painter = QtGui.QPainter(pixMap)
brush = QtGui.QBrush(QtGui.QColor('white'))
painter.fillRect(QtCore.QRectF(0, 0, 200 * ratio, 200), brush)
painter.setPen(QtGui.QColor('lightgray'))
painter.drawText(QtCore.QRectF(0, 0, 200 * ratio, 200), QtCore.Qt.AlignCenter,
'Map not found.')
painter.end()
self.addPixmap(pixMap)
w = self.width()
h = self.height()
if isinstance(self.line_width, float):
if self.line_width < 1:
self.line_width = w * self.line_width
self.upper_left = [0, 0, self.map_upper_left[1], self.map_upper_left[0]]
self.lower_right = [w, h, self.map_lower_right[1], self.map_lower_right[0]]
self.setSceneRect(-w * 0.05, -h * 0.05, w * 1.1, h * 1.1)
self._positions = {}
self._setupCoordTransform()
def _setupCoordTransform(self):
self._proj = Proj(self.projection) # LatLon with WGS84 datum used by GPS units and Google Earth
x1, y1, lon1, lat1 = self.upper_left
x2, y2, lon2, lat2 = self.lower_right
ul = self._proj(lon1, lat1)
lr = self._proj(lon2, lat2)
self._lat_scale = y2 / (lr[1] - ul[1])
self._lon_scale = x2 / (lr[0] - ul[0])
self._orig_lat = ul[1]
self._orig_lon = ul[0]
def mapToLonLat(self, p):
x = p.x() / self._lon_scale + self._orig_lon
y = p.y() / self._lat_scale + self._orig_lat
lon, lat = self._proj(x, y, inverse=True)
return QtCore.QPointF(round(lon, 4), round(lat, 4))
def mapFromLonLat(self, p):
lon, lat = p.x(), p.y()
x, y = self._proj(lon, lat)
x = (x - self._orig_lon) * self._lon_scale
y = (y - self._orig_lat) * self._lat_scale
return QtCore.QPointF(x, y)
def positions(self):
try:
return self._positions
except:
return
class WorldView(QtWidgets.QGraphicsView):
statusmsg = QtCore.pyqtSignal(str)
tellarea = QtCore.pyqtSignal(list, str)
def __init__(self, scene, zoom=.8):
QtWidgets.QGraphicsView.__init__(self, scene)
self.zoom = zoom
QtWidgets.QShortcut(QtGui.QKeySequence('pgdown'), self, self.zoomIn)
QtWidgets.QShortcut(QtGui.QKeySequence('pgup'), self, self.zoomOut)
QtWidgets.QShortcut(QtGui.QKeySequence('Ctrl++'), self, self.zoomIn)
QtWidgets.QShortcut(QtGui.QKeySequence('Ctrl+-'), self, self.zoomOut)
self._rectangle = None
self._drag_start = None
self.setMouseTracking(True)
self.ruler_items = []
self.legend_items = []
self.legend_pos = None
self.rect_items = []
def clear_Rect(self):
try:
for i in range(len(self.rect_items)):
self.scene().removeItem(self.rect_items[i])
del self.rect_items
except:
pass
def drawRect(self, coords=None):
self.clear_Rect()
self.rect_items = []
color = QtGui.QColor()
color.setNamedColor((self.scene().colors['border']))
pen = QtGui.QPen(color, self.scene().line_width)
pen.setJoinStyle(QtCore.Qt.RoundJoin)
pen.setCapStyle(QtCore.Qt.RoundCap)
fromm = self.mapFromLonLat(coords[0])
too = self.mapFromLonLat(coords[1])
self.rect_items.append(QtWidgets.QGraphicsRectItem(fromm.x(), fromm.y(),
too.x() - fromm.x(), too.y() - fromm.y()))
self.rect_items[-1].setPen(pen)
self.rect_items[-1].setZValue(3)
self.scene().addItem(self.rect_items[-1])
if self.scene().center_on_grid:
x = fromm.x() + (too.x() - fromm.x()) / 2
y = fromm.y() + (too.y() - fromm.y()) / 2
go_to = QtCore.QPointF(x, y)
self.centerOn(go_to)
rect = reproject([coords[0].y(), coords[0].y(), coords[1].y(), coords[1].y()],
[coords[0].x(), coords[1].x(), coords[1].x(), coords[0].x()])
return '{:0,.0f}'.format(area_of_polygon(rect[0], rect[1])) + ' Km^2'
def drawMany(self):
grids = GetMany.getList()
if grids is None:
return
self.clear_Rect()
self.rect_items = []
color = QtGui.QColor()
color.setNamedColor((self.scene().colors['border']))
pen = QtGui.QPen(color, self.scene().line_width)
pen.setJoinStyle(QtCore.Qt.RoundJoin)
pen.setCapStyle(QtCore.Qt.RoundCap)
for g in range(len(grids)):
fromm = self.mapFromLonLat(QtCore.QPointF(grids[g][1], grids[g][0]))
too = self.mapFromLonLat(QtCore.QPointF(grids[g][3], grids[g][2]))
self.rect_items.append(QtWidgets.QGraphicsRectItem(fromm.x(), fromm.y(),
too.x() - fromm.x(), too.y() - fromm.y()))
self.rect_items[-1].setPen(pen)
self.rect_items[-1].setZValue(3)
self.scene().addItem(self.rect_items[-1])
self.statusmsg.emit(str(len(grids)) + ' Areas drawn')
def destinationxy(self, lon1, lat1, bearing, distance):
"""
Given a start point, initial bearing, and distance, calculate
the destination point and final bearing travelling along a
(shortest distance) great circle arc
"""
radius = RADIUS # km is the radius of the Earth
# convert decimal degrees to radians
ln1, lt1, baring = list(map(radians, [lon1, lat1, bearing]))
# "reverse" haversine formula
lat2 = asin(sin(lt1) * cos(distance / radius) +
cos(lt1) * sin(distance / radius) * cos(baring))
lon2 = ln1 + atan2(sin(baring) * sin(distance / radius) * cos(lt1),
cos(distance / radius) - sin(lt1) * sin(lat2))
return QtCore.QPointF(degrees(lon2), degrees(lat2))
def destinationx(self, lon1, lat1, distance):
radius = RADIUS # km is the radius of the Earth
# convert decimal degrees to radians
lt1 = radians(lat1)
circum = radius * 2 * pi * cos(lt1)
lon2 = lon1 + distance / circum * 360
return QtCore.QPointF(lon2, lat1)
def mapToLonLat(self, p):
p = self.mapToScene(p)
return self.scene().mapToLonLat(p)
def mapFromLonLat(self, p):
p = self.scene().mapFromLonLat(p)
return p
def wheelEvent(self, event):
delta = -event.angleDelta().y() / (100 * (1 + 1 - self.zoom))
zoom = pow(self.zoom, delta)
self.scale(zoom, zoom)
def zoomIn(self):
self.scale(1 / self.zoom, 1 / self.zoom)
def zoomOut(self):
self.scale(self.zoom, self.zoom)
def mousePressEvent(self, event):
if QtCore.Qt.LeftButton == event.button():
where = self.mapToLonLat(event.pos())
pl = self.mapToLonLat(event.pos())
self.statusmsg.emit(p2str(pl) + ' ' + p2str(event.pos()))
if self._rectangle is None:
self._rectangle = [where]
hb = self.horizontalScrollBar()
vb = self.verticalScrollBar()
self._sb_start = QtCore.QPoint(hb.value(), vb.value())
else:
self._rectangle.append(where)
if self._rectangle[0].x() > self._rectangle[1].x():
x = self._rectangle[0].x()
self._rectangle[0] = QtCore.QPointF(self._rectangle[1].x(), self._rectangle[0].y())
self._rectangle[1] = QtCore.QPointF(x, self._rectangle[1].y())
if self._rectangle[0].y() < self._rectangle[1].y():
y = self._rectangle[0].y()
self._rectangle[0] = QtCore.QPointF(self._rectangle[0].x(), self._rectangle[1].y())
self._rectangle[1] = QtCore.QPointF(self._rectangle[1].x(), y)
approx_area = self.drawRect(self._rectangle)
self.statusmsg.emit(p2str(pl) + ' ' + approx_area)
self.tellarea.emit(self._rectangle, approx_area)
self._rectangle = None
self._drag_start = QtCore.QPoint(event.pos())
hb = self.horizontalScrollBar()
vb = self.verticalScrollBar()
self._sb_start = QtCore.QPoint(hb.value(), vb.value())
def mouseMoveEvent(self, event):
if QtCore.Qt.LeftButton == event.buttons() and self._drag_start:
if self._rectangle:
self._rectangle = None
delta = event.pos() - self._drag_start
val = self._sb_start - delta
self.horizontalScrollBar().setValue(val.x())
self.verticalScrollBar().setValue(val.y())
return
if QtCore.Qt.LeftButton == event.buttons() and self._rectangle:
delta = event.pos() - self._rectangle
val = self._sb_start - delta
self.horizontalScrollBar().setValue(val.x())
self.verticalScrollBar().setValue(val.y())
else:
p = self.mapToScene(event.pos())
x, y = list(map(int, [p.x(), p.y()]))
pl = self.mapToLonLat(event.pos())
# self.emit(QtCore.SIGNAL('statusmsg'), p2str(pl) + ' ' + p2str(event.pos()))
def mouseReleaseEvent(self, event):
if QtCore.Qt.LeftButton == event.button():
self._drag_start = None
self._sb_start = None
def resizeEvent(self, event):
self.update()
self.zoomIn()
self.zoomOut()
def show_Ruler(self, ruler, ruler_ticks=None, pos=None):
def do_ruler():
if ruler_ticks is None or ruler_ticks <= 0:
ticks = int(ruler / 5.)
else:
ticks = int(ruler / ruler_ticks)
frll = self.mapToLonLat(p)
start = self.mapFromLonLat(frll)
toll = self.destinationxy(frll.x(), frll.y(), 0, ruler)
end = self.mapFromLonLat(toll)
self.ruler_items.append(QtWidgets.QGraphicsLineItem(QtCore.QLineF(start, end)))
self.ruler_items[-1].setPen(pen)
self.ruler_items[-1].setZValue(0)
self.scene().addItem(self.ruler_items[-1])
toll = self.destinationx(frll.x(), frll.y(), ruler)
end = self.mapFromLonLat(toll)
self.ruler_items.append(QtWidgets.QGraphicsLineItem(QtCore.QLineF(start, end)))
self.ruler_items[-1].setPen(pen)
self.ruler_items[-1].setZValue(0)
self.scene().addItem(self.ruler_items[-1])
for i in range(ticks + 1):
strt = self.destinationx(frll.x(), frll.y(), ruler * i / ticks)
start = self.mapFromLonLat(strt)
toll = self.destinationxy(strt.x(), strt.y(), 0, ruler / 50)
end = self.mapFromLonLat(toll)
self.ruler_items.append(QtWidgets.QGraphicsLineItem(QtCore.QLineF(start, end)))
self.ruler_items[-1].setPen(pen)
self.ruler_items[-1].setZValue(0)
self.scene().addItem(self.ruler_items[-1])
self.ruler_items.append(QtWidgets.QGraphicsSimpleTextItem(str(int(ruler)) + ' Km'))
new_font = self.ruler_items[-1].font()
new_font.setPointSizeF(self.scene().width() / 90.)
up = float(QtGui.QFontMetrics(new_font).height())
self.ruler_items[-1].setFont(new_font)
self.ruler_items[-1].setPos(end + QtCore.QPointF(5., -up))
self.ruler_items[-1].setBrush(color)
self.ruler_items[-1].setZValue(0)
self.scene().addItem(self.ruler_items[-1])
for i in range(ticks + 1):
strt = self.destinationxy(frll.x(), frll.y(), 0, ruler * i / ticks)
start = self.mapFromLonLat(strt)
toll = self.destinationx(strt.x(), strt.y(), ruler / 50)
end = self.mapFromLonLat(toll)
self.ruler_items.append(QtWidgets.QGraphicsLineItem(QtCore.QLineF(start, end)))
self.ruler_items[-1].setPen(pen)
self.ruler_items[-1].setZValue(0)
self.scene().addItem(self.ruler_items[-1])
self.ruler_items = []
if pos is None:
p = QtCore.QPoint(50, self.height() - 50)
else:
p = self.mapFromParent(pos)
color = QtGui.QColor()
if self.scene().colors['ruler'].lower() == 'guess':
sp = self.mapToGlobal(p)
img = QtGui.QPixmap(5, 5)
painter = QtGui.QPainter(img)
targetrect = QtCore.QRectF(0, 0, 5, 5)
sourcerect = QtCore.QRect(sp.x(), sp.y(), 5, 5)
self.render(painter, targetrect, sourcerect)
painter.end()
ig = img.toImage()
colorsum = 0
for x in range(5):
for y in range(5):
c = ig.pixel(x, y)
colors = QtGui.QColor(c).getRgbF()
colorsum += (colors[0] + colors[1] + colors[2])
if colorsum <= 50.: # more black than white
color.setNamedColor('white')
else:
color.setNamedColor('black')
else:
color.setNamedColor(self.scene().colors['ruler'])
pen = QtGui.QPen(color, 0)
pen.setJoinStyle(QtCore.Qt.RoundJoin)
pen.setCapStyle(QtCore.Qt.RoundCap)
do_ruler()
def hide_Ruler(self):
for i in range(len(self.ruler_items)):
self.scene().removeItem(self.ruler_items[i])
del self.ruler_items
class WorldWindow(QtWidgets.QMainWindow):
log = QtCore.pyqtSignal()
statusmsg = QtCore.pyqtSignal(str)
tellarea = QtCore.pyqtSignal()
def get_config(self):
self.config = configparser.RawConfigParser()
self.config_file = getModelFile('getfiles.ini')
self.config.read(self.config_file)
try:
self.help = self.config.get('Files', 'help')
except:
self.help = 'help.html'
self.restorewindows = False
try:
rw = self.config.get('Windows', 'restorewindows')
if rw.lower() in ['true', 'yes', 'on']:
self.restorewindows = True
except:
pass
self.zoom = 0.8
try:
self.zoom = float(self.config.get('View', 'zoom_rate'))
if self.zoom > 1:
self.zoom = 1 / self.zoom
if self.zoom > 0.95:
self.zoom = 0.95
elif self.zoom < 0.75:
self.zoom = 0.75
except:
pass
def __init__(self, parent, scene, era5=False):
super(WorldWindow, self).__init__(parent)
self.get_config()
# self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
self.view = WorldView(scene, self.zoom)
self.view.scale(1., 1.)
self._mv = self.view
if era5:
self.era = 'ERA5'
else:
self.era = 'MERRA-2'
self.grid_items = None
self.setStatusBar(QtWidgets.QStatusBar())
self.view.statusmsg.connect(self.setStatusText)
w = QtWidgets.QWidget()
lay = QtWidgets.QVBoxLayout(w)
lay.addWidget(self.view)
self.setCentralWidget(w)
self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self.popup)
menubar = self.menuBar()
self.showRuler = QtWidgets.QAction(QtGui.QIcon('blank.png'), 'Scale Ruler', self)
self.showRuler.setShortcut('Ctrl+R')
self.showRuler.setStatusTip('Show Scale Ruler')
self.showRuler.triggered.connect(self.show_Ruler)
self.showGrid = QtWidgets.QAction(QtGui.QIcon('blank.png'), 'Coordinates Grid', self)
self.showGrid.setShortcut('Ctrl+G')
self.showGrid.setStatusTip('Show Coordinates Grid')
self.showGrid.triggered.connect(self.show_Grid)
self.showMGrid = QtWidgets.QAction(QtGui.QIcon('blank.png'), self.era + ' Grid', self)
self.showMGrid.setShortcut('Ctrl+M')
self.showMGrid.setStatusTip('Show ' + self.era + ' Grid')
self.showMGrid.triggered.connect(self.show_MGrid)
self.saveView = QtWidgets.QAction(QtGui.QIcon('camera.png'), 'Save View', self)
self.saveView.setShortcut('Ctrl+V')
self.saveView.triggered.connect(self.save_View)
self.showMany = QtWidgets.QAction(QtGui.QIcon('blank.png'), 'Show many Areas', self)
self.showMany.setShortcut('Ctrl+A')
self.showMany.setStatusTip('Show many Areas')
self.showMany.triggered.connect(self.show_Many)
viewMenu = menubar.addMenu('&View')
viewMenu.addAction(self.showRuler)
viewMenu.addAction(self.showGrid)
viewMenu.addAction(self.showMGrid)
viewMenu.addAction(self.showMany)
viewMenu.addAction(self.saveView)
self.editIni = QtWidgets.QAction(QtGui.QIcon('edit.png'), 'Edit Preferences File', self)
self.editIni.setShortcut('Ctrl+E')
self.editIni.setStatusTip('Edit Preferences')
self.editIni.triggered.connect(self.editIniFile)
self.editColour = QtWidgets.QAction(QtGui.QIcon('rainbow-icon.png'), 'Edit Colours', self)
self.editColour.setShortcut('Ctrl+U')
self.editColour.setStatusTip('Edit Colours')
self.editColour.triggered.connect(self.editColours)
self.editSect = QtWidgets.QAction(QtGui.QIcon('arrow.png'), 'Edit Section', self)
self.editSect.setStatusTip('Edit Preferences Section')
self.editSect.triggered.connect(self.editSects)
editMenu = menubar.addMenu('P&references')
editMenu.addAction(self.editIni)
editMenu.addAction(self.editColour)
editMenu.addAction(self.editSect)
help = QtWidgets.QAction(QtGui.QIcon('help.png'), 'Help', self)
help.setShortcut('F1')
help.setStatusTip('Help')
help.triggered.connect(self.showHelp)
helpMenu = menubar.addMenu('&Help')
helpMenu.addAction(help)
QtWidgets.QShortcut(QtGui.QKeySequence('q'), self, self.exit)
QtWidgets.QShortcut(QtGui.QKeySequence('x'), self, self.exit)
self.config = configparser.RawConfigParser()
self.config_file = getModelFile('getfiles.ini')
self.config.read(self.config_file)
parents = []
try:
parents = getParents(config.items('Parents'))
except:
pass
try:
mapc = self.config.get('Map', 'map_choice')
except:
mapc = ''
try:
mapp = self.config.get('Map', 'map' + mapc)
for pkey, pvalue in parents:
mapp = mapp.replace(pkey, pvalue)
mapp = mapp.replace('$USER$', getUser())
if not os.path.exists(mapp):
if self.floatstatus is None:
self.show_FloatStatus()
self.floatstatus.log.emit('Need to check [Map].map%s property. Resolves to %s' % (mapc, mapp))
except:
pass
self.setWindowTitle('SIREN - worldwindow (' + fileVersion() + ')')
self.setWindowIcon(QtGui.QIcon('sen_icon32.ico'))
note = 'Map data ' + chr(169) + ' OpenStreetMap contributors CC-BY-SA ' + \
'(http://www.openstreetmap.org/copyright)'
self.view.statusmsg.emit(note)
if not self.restorewindows:
return
screen = QtWidgets.QApplication.desktop().primaryScreen()
scr_right = QtWidgets.QApplication.desktop().availableGeometry(screen).right()
scr_bottom = QtWidgets.QApplication.desktop().availableGeometry(screen).bottom()
win_width = self.sizeHint().width()
win_height = self.sizeHint().height()
try:
rw = self.config.get('Windows', 'main_size').split(',')
lst_width = int(rw[0])
lst_height = int(rw[1])
mp = self.config.get('Windows', 'main_pos').split(',')
lst_left = int(mp[0])
lst_top = int(mp[1])
lst_right = lst_left + lst_width
lst_bottom = lst_top + lst_height
screen = QtWidgets.QApplication.desktop().screenNumber(QtCore.QPoint(lst_left, lst_top))
scr_right = QtWidgets.QApplication.desktop().availableGeometry(screen).right()
scr_left = QtWidgets.QApplication.desktop().availableGeometry(screen).left()
if lst_right < scr_right:
if (lst_right - win_width) >= scr_left:
scr_right = lst_right
else:
scr_right = scr_left + win_width
scr_bottom = QtWidgets.QApplication.desktop().availableGeometry(screen).bottom()
scr_top = QtWidgets.QApplication.desktop().availableGeometry(screen).top()
if lst_bottom < scr_bottom:
if (lst_bottom - win_height) >= scr_top:
scr_bottom = lst_bottom
else:
scr_bottom = scr_top + win_height
except:
pass
win_left = scr_right - win_width
win_top = scr_bottom - win_height
self.resize(win_width, win_height)
self.move(win_left, win_top)
def editIniFile(self):
before = os.stat(self.config_file).st_mtime
dialr = EdtDialog(self.config_file)
dialr.exec_()
after = os.stat(config_file).st_mtime
if after == before:
return
self.get_config() # refresh config values
comment = self.config_file + ' edited. Reload may be required.'
self.view.statusmsg.emit(comment)
def changeColours(self, new_color, elements):
for el in elements:
if el.pen().color().name() != '#000000':
el.setPen(QtGui.QColor(new_color))
if el.brush().color().name() != '#000000':
el.setBrush(QtGui.QColor(new_color))
def editColours(self):
dialr = Colours(ini_file=self.config_file)
dialr.exec_()
# refresh some config values
config = configparser.RawConfigParser()
self.config.read(self.config_file)
try:
map = self.config.get('Map', 'map_choice')
except:
map = ''
try:
colours0 = self.config.items('Colors')
except:
pass
if map != '':
try:
colours1 = self.config.items('Colors' + map)
colours = []
for it, col in colours0:
for it1, col1 in colours1:
if it1 == it:
colours.append((it1, col1))
break
else:
colours.append((it, col))
except:
colours = colours0
else:
colours = colours0
for item, colour in colours:
if item == 'ruler':
continue
if colour != self.view.scene().colors[item]:
self.changeColours(colour, self.view.scene()._stationCircles[item])
comment = 'Colours edited. Reload may be required.'
self.view.statusmsg.emit(comment)
def editSects(self):
config = configparser.RawConfigParser()
config.read(self.config_file)
sections = sorted(config.sections())
menu = QtWidgets.QMenu()
stns = []
for section in sections:
stns.append(menu.addAction(section))
x = self.frameGeometry().left() + 50
y = self.frameGeometry().y() + 50
action = menu.exec_(QtCore.QPoint(x, y))
if action is not None:
section = action.text()
EditSect(section, None, ini_file=self.config_file)
comment = section + ' Section edited. Reload may be required.'
self.view.statusmsg.emit(comment)
def mapToLonLat(self, p):
p = self.mapToScene(p)
return self.scene().mapToLonLat(p)
def mapFromLonLat(self, p):
p = self.view.scene().mapFromLonLat(p)
return p
def center(self):
frameGm = self.frameGeometry()
screen = QtWidgets.QApplication.desktop().screenNumber(QtWidgets.QApplication.desktop().cursor().pos())
centerPoint = QtWidgets.QApplication.desktop().availableGeometry(screen).center()
frameGm.moveCenter(centerPoint)
self.move(frameGm.topLeft())
def showHelp(self):
dialog = displayobject.AnObject(QtWidgets.QDialog(), self.help,
title='Help for worldwindow (' + fileVersion() + ')', section='worldwindow')
dialog.exec_()
def setStatusText(self, text):
if text == self.statusBar().currentMessage():
return
self.statusBar().showMessage(text)
def save_View(self):
outputimg = QtGui.QPixmap(self.view.width(), self.view.height())
painter = QtGui.QPainter(outputimg)
targetrect = QtCore.QRectF(0, 0, self.view.width(), self.view.height())
sourcerect = QtCore.QRect(0, 0, self.view.width(), self.view.height())
self.view.render(painter, targetrect, sourcerect)
fname = 'worldwindow_view.png'
fname = QtWidgets.QFileDialog.getSaveFileName(self, 'Save image file',
fname, 'Image Files (*.png *.jpg *.bmp)')[0]
if fname != '':
i = fname.rfind('.')
if i < 0:
fname = fname + '.png'
i = fname.rfind('.')
outputimg.save(fname, fname[i + 1:])
try:
comment = 'View saved to ' + fname[fname.rfind('/') + 1:]
except:
comment = 'View saved to ' + fname
self.view.statusmsg.emit(comment)
painter.end()
def popup(self, pos):
where = self.view.mapToLonLat(pos)
menu = QtWidgets.QMenu()
act1 = 'Center here'
ctrAction = menu.addAction(QtGui.QIcon('zoom.png'), act1)
ctrAction.setIconVisibleInMenu(True)
act2 = 'Position ruler here'
rulAction = menu.addAction(QtGui.QIcon('ruler.png'), act2)
rulAction.setIconVisibleInMenu(True)
action = menu.exec_(self.mapToGlobal(pos))
if action is None:
return
try:
if action == noAction or action == notAction:
return
except:
pass
if action == rulAction:
if self.view.scene().show_ruler:
self.view.hide_Ruler()
self.view.show_Ruler(self.view.scene().ruler, self.view.scene().ruler_ticks, pos)
self.showRuler.setIcon(QtGui.QIcon('check-mark.png'))
self.view.scene().show_ruler = True
self.view.statusmsg.emit('Scale Ruler Toggled On')
elif action == ctrAction:
go_to = self.mapFromLonLat(where)
self.view.centerOn(go_to)
def show_Grid(self):
comment = 'Grid Toggled '
if self.view.scene().show_grid:
self.view.scene().show_grid = False
self.view.scene()._gridGroup.setVisible(False)
self.showGrid.setIcon(QtGui.QIcon('blank.png'))
comment += 'Off'
else:
if self.view.scene()._gridGroup is None:
self.view.scene()._gridGroup = QtWidgets.QGraphicsItemGroup()
self.view.scene().addItem(self.view.scene()._gridGroup)
color = QtGui.QColor()
color.setNamedColor((self.view.scene().colors['grid']))
pen = QtGui.QPen(color, self.view.scene().line_width)
pen.setJoinStyle(QtCore.Qt.RoundJoin)
pen.setCapStyle(QtCore.Qt.RoundCap)
for lat in range(90, -90, -10):
if lat == 90:
continue
fromm = self.mapFromLonLat(QtCore.QPointF(-180, lat))
too = self.mapFromLonLat(QtCore.QPointF(180, lat))
item = QtWidgets.QGraphicsLineItem(fromm.x(), fromm.y(), too.x(), too.y())
item.setPen(pen)
item.setZValue(3)
self.view.scene()._gridGroup.addToGroup(item)
for lon in range(-180, 181, 10):
fromm = self.mapFromLonLat(QtCore.QPointF(lon, self.view.scene().map_upper_left[0]))
too = self.mapFromLonLat(QtCore.QPointF(lon, self.view.scene().map_lower_right[0]))
item = QtWidgets.QGraphicsLineItem(fromm.x(), fromm.y(), too.x(), too.y())
item.setPen(pen)
item.setZValue(3)
self.view.scene()._gridGroup.addToGroup(item)
self.view.scene().show_grid = True
self.view.scene()._gridGroup.setVisible(True)
self.showGrid.setIcon(QtGui.QIcon('check-mark.png'))
comment += 'On'
self.view.statusmsg.emit(comment)
def show_MGrid(self):
comment = self.era + ' Grid Toggled '
if self.view.scene().show_mgrid:
self.view.scene().show_mgrid = False
self.view.scene()._mgridGroup.setVisible(False)
self.showMGrid.setIcon(QtGui.QIcon('blank.png'))
comment += 'Off'
else:
if self.view.scene()._mgridGroup is None:
self.view.scene()._mgridGroup = QtWidgets.QGraphicsItemGroup()
self.view.scene().addItem(self.view.scene()._mgridGroup)
color = QtGui.QColor()
color.setNamedColor((self.view.scene().colors['mgrid']))
pen = QtGui.QPen(color, self.view.scene().line_width)
pen.setJoinStyle(QtCore.Qt.RoundJoin)
pen.setCapStyle(QtCore.Qt.RoundCap)
pen2 = QtGui.QPen(color, self.view.scene().line_width)
pen2.setJoinStyle(QtCore.Qt.RoundJoin)
# pen2.setStyle(QtCore.Qt.DotLine)
pen2.setCapStyle(QtCore.Qt.RoundCap)
if self.era == 'ERA5':
lat_inc = 0.25
lon_inc = 0.25
else:
lat_inc = 0.5
lon_inc = 0.625
lat = 85
while lat > -85:
fromm = self.mapFromLonLat(QtCore.QPointF(-180, lat))
too = self.mapFromLonLat(QtCore.QPointF(180, lat))
item = QtWidgets.QGraphicsLineItem(fromm.x(), fromm.y(), too.x(), too.y())
if lat % 10 == 0:
item.setPen(pen)
else:
item.setPen(pen2)
item.setZValue(3)
self.view.scene()._mgridGroup.addToGroup(item)
lat -= lat_inc
lon = -180
while lon < 180:
fromm = self.mapFromLonLat(QtCore.QPointF(lon, self.view.scene().map_upper_left[0]))
too = self.mapFromLonLat(QtCore.QPointF(lon, self.view.scene().map_lower_right[0]))
item = QtWidgets.QGraphicsLineItem(fromm.x(), fromm.y(), too.x(), too.y())
if lon % 10 == 0:
item.setPen(pen)
else:
item.setPen(pen2)
item.setZValue(3)
self.view.scene()._mgridGroup.addToGroup(item)
lon += lon_inc
self.view.scene().show_mgrid = True
self.view.scene()._mgridGroup.setVisible(True)
self.showMGrid.setIcon(QtGui.QIcon('check-mark.png'))
comment += 'On'
self.view.statusmsg.emit(comment)
def show_Ruler(self):
comment = 'Scale Ruler Toggled '