Hi folks!
I've just tried to install QGIS 3.0 package in my Anaconda (Win7x64,
Python 3.6 x64). I wanted to use QGIS widgets in my PyQt application.
Alas, QGIS works incorrectly: at first, when I just tried to import qgis
modules in Python, it said that it cannot find them. And when I manually
set the PYTHONPATH, QGISPATH and PATH variables, it simply does not show
my map (only the blank white screen).
Under Ubuntu 18.04 the script works correctly (there I just made
`apt-get install python3-qgis`).
Can you tell me, how can I make it work under Windows too?
Here's my test script:
#!/usr/bin/env python3
import os
from PyQt5.QtWidgets import QWidget, QFrame, QHBoxLayout, QGridLayout
from qgis._core import QgsApplication, QgsRasterLayer
from qgis._gui import QgsMapCanvas
class TestWidget(QWidget):
def __init__(self, parent=None):
super(TestWidget, self).__init__(parent)
self.main_layout = QHBoxLayout(self)
self.canvas = QgsMapCanvas()
self.main_layout.addWidget(self.canvas)
base_layer_path =
os.path.join(os.path.abspath(os.path.dirname(__file__)), "world.mbtiles")
self.base_layer = QgsRasterLayer(base_layer_path, 'world')
self.canvas.setLayers([self.base_layer])
self.canvas.zoomToFullExtent()
if __name__ == '__main__':
qgs = QgsApplication([], False)
qgs.setPrefixPath(os.environ.get('QGISPATH', '/usr'), True)
qgs.initQgis()
w = TestWidget()
w.show()
qgs.exec_()
qgs.exitQgis()
And here's my test map data (world.mbtiles):
https://www.sendspace.com/filegroup/8OqffqxS3aWuRdwr4iolRQ
And here are my environment variables (set under Windows):
PYTHONPATH=C:/Anaconda3/Library/python
QGISPATH=C:/Anaconda3
PATH=C:/Anaconda3/share/qgis/python/qgis;C:/Anaconda3/Library/bin
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