RichardQZeng

class mMapTool(QgsMapTool):
    def __init__(self, mainLayer, canvas):
        self.mlayer = mainLayer
        self.canvas = canvas
        QgsMapTool.__init__(self, self.canvas)
        self.rubberBand = QgsRubberBand(self.canvas, Qgis.GeometryType.Polygon)
        mFillColor = QColor(0, 0, 0, 88);
        self.rubberBand.setColor(mFillColor)

        # initialise a class attribute to store the offsets between the feature vertices and the mouse position

RichardQZeng

"""Concurrent read-process-write example"""

import concurrent.futures
from itertools import islice
from time import sleep

import rasterio


CHUNK = 100

RichardQZeng

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# -------------------------------------------------------------------------------
#                                                                               -
#  Python dual-logging setup (console and log file),                            -
#  supporting different log levels and colorized output                         -
#                                                                               -
#  Created by Fonic <https://github.com/fonic>                                  -
#  Date: 04/05/20 - 02/07/23                                                    -

RichardQZeng

from multiprocessing import Pool
import time
from tqdm import tqdm


def _foo(my_number):
   square = my_number * my_number
   time.sleep(1)
   return square 

RichardQZeng

import sys
from qgis.core import QgsApplication, QgsProject, QgsRasterLayer, QgsLayerTreeModel
from qgis.gui import QgsMapCanvas, QgsLayerTreeMapCanvasBridge, QgsLayerTreeView
from PyQt5.QtWidgets import QApplication, QMainWindow, QDockWidget
from PyQt5.QtCore import Qt


class myWindow(QMainWindow):

    def __init__(self):

RichardQZeng

import sys
from qgis.core import QgsApplication, QgsProject, QgsRasterLayer
from qgis.gui import QgsMapCanvas, QgsLayerTreeMapCanvasBridge
from PyQt5.QtWidgets import QApplication, QMainWindow


class myWindow(QMainWindow):

    def __init__(self, path, layer_name):
        QMainWindow.__init__(self)

RichardQZeng

# refer to: https://www.pythonguis.com/faq/built-in-qicons-pyqt/

import sys

from PyQt5.QtWidgets import QApplication, QGridLayout, QPushButton, QStyle, QWidget


class Window(QWidget):
    def __init__(self):
        super(Window, self).__init__()

RichardQZeng

# refer to: https://stackoverflow.com/a/52690011/1561540

from PyQt5 import QtCore, QtWidgets


class Slider(QtWidgets.QSlider):
    def mousePressEvent(self, event):
        super(Slider, self).mousePressEvent(event)
        if event.button() == QtCore.Qt.LeftButton:
            val = self.pixelPosToRangeValue(event.pos())

RichardQZeng

import sys
from PyQt5.QtWidgets import QApplication, QTreeWidget, QTreeWidgetItem


# Subclass QMainWindow to customize your application's main window
class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        data = {"Project A": ["file_a.py", "file_a.txt", "something.xls"],
        "Project B": ["file_b.csv", "photo.jpg"],

RichardQZeng

from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *

import time
import traceback, sys


class WorkerSignals(QObject):
    '''