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qtiles_utils.py
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qtiles_utils.py
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# -*- coding: utf-8 -*-
#******************************************************************************
#
# QTiles
# ---------------------------------------------------------
# Generates tiles from QGIS project
#
# Copyright (C) 2012-2014 NextGIS (info@nextgis.org)
# Copyright (C) 2019 Alexander Bruy (alexander.bruy@gmail.com)
#
# This source is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 2 of the License, or (at your option)
# any later version.
#
# This code 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 General Public License for more
# details.
#
# A copy of the GNU General Public License is available on the World Wide Web
# at <http://www.gnu.org/licenses/>. You can also obtain it by writing
# to the Free Software Foundation, 51 Franklin Street, Suite 500 Boston,
# MA 02110-1335 USA.
#
#******************************************************************************
from qgis.core import QgsProject, QgsMapLayer
def getMapLayers():
layerMap = QgsProject.instance().mapLayers()
layers = dict()
for name, layer in layerMap.items():
if layer.type() == QgsMapLayer.VectorLayer:
if layer.id() not in layers.keys():
layers[layer.id()] = layer.name()
if layer.type() == QgsMapLayer.RasterLayer and layer.providerType() == 'gdal':
if layer.id() not in layers.keys():
layers[layer.id()] = layer.name()
return layers
def getLayerById(layerId):
layerMap = QgsProject.instance().mapLayers()
for name, layer in layerMap.items():
if layer.id() == layerId:
if layer.isValid():
return layer
else:
return None