1

13693261870

2022-11-08 35990c12848fa9c06a1e021ae0d13057e6674dd1

1

 QGIS/render.py

@@ -8,12 +8,12 @@
from qgis.PyQt.QtXml import *


def setChild(project, root, showLayers):
def setLayersValid(root, showLayers):
    print('Group: ' + root.name())
    for node in root.children():
        # QgsLayerTreeLayer
        if isinstance(node, QgsLayerTreeGroup):
            setChild(project, node, showLayers)
            setChild(node, showLayers)
        # QgsRasterLayer, QgsVectorLayer
        else:
            name = node.layer().name()
@@ -43,13 +43,22 @@
doc.setContent(template_content)
layout.loadFromTemplate(doc, QgsReadWriteContext(), True)

map = layout.itemById(r'地图')
# map = layout.itemById(r'地图')
map = layout.referenceMap()
print('1:' + str(math.ceil(map.scale())))

# "阀室", "站场", "管道中心线", "矢量注记", "矢量图", "影像注记", "影像图"
showLayers = ["站场", "管道中心线", "矢量注记", "矢量图"]
root = project.layerTreeRoot()
setChild(project, root, showLayers)
showLayers = ["阀室", "管道中心线", "影像注记", "影像图"]
# root = project.layerTreeRoot()
# setLayersValid(project, root, showLayers)
for layer in project.mapLayers().values():
    flag = layer.name() in showLayers
    if not flag:
        layer.setValid(flag)
    print(layer.name() + ": " + str(flag))

layout.refresh()
map.refresh()

exporter = QgsLayoutExporter(layout)
img_path = os.path.join(r"E:/terrait/TianJin/LFServer/QGIS", "render.png")