QGIS提升速度

2026-06-21 13:29:19 +08:00
parent fe3ccd005d
commit 5169ed2f33
28 changed files with 444 additions and 394 deletions
@@ -0,0 +1,65 @@
+"""检查布局 Map 项的图层配置"""
+import zipfile, re, os
+
+TEMPLATE_DIR = r"F:\project\xian\xian_algorithm_new\app\data\template\rainfall"
+fname = "暴雨内涝潜在隐患点及人口分布图.qgz"
+path = os.path.join(TEMPLATE_DIR, fname)
+
+z = zipfile.ZipFile(path)
+qgs_name = [n for n in z.namelist() if n.endswith('.qgs')][0]
+content = z.read(qgs_name).decode('utf-8')
+
+# 提取 Layout 元素（找 Map 项）
+# QGIS 有两种布局格式：<Composer> (QGIS 2.x style) 和 <Layout> (QGIS 3.x style)
+layout_re = re.compile(r'<(?:Composer|Layout)[^>]*name="([^"]*)"[^>]*>(.*?)</(?:Composer|Layout)>', re.DOTALL)
+
+for m in layout_re.finditer(content):
+    layout_name = m.group(1)
+    layout_content = m.group(2)
+    print(f"=== 布局: {layout_name} ===")
+    
+    # 检查 Map 项
+    map_item_re = re.compile(r'<ComposerMap[^>]*>(.*?)</ComposerMap>', re.DOTALL)
+    for mm in map_item_re.finditer(layout_content):
+        map_content = mm.group(1)
+        
+        # 检查是否有 lockedLayers
+        locked = re.findall(r'<lockedLayers>(.*?)</lockedLayers>', map_content, re.DOTALL)
+        if locked:
+            print(f"  lockedLayers: {locked[0][:500]}")
+        
+        # 检查 keepLayerSet
+        keep_set = re.findall(r'keepLayerSet="([^"]*)"', mm.group(0))
+        if keep_set:
+            print(f"  keepLayerSet: {keep_set[0]}")
+        
+        # 检查 followPreset
+        preset = re.findall(r'followPreset="([^"]*)"', mm.group(0))
+        if preset:
+            print(f"  followPreset: {preset[0]}")
+        
+        # 检查 followPresetName
+        preset_name = re.findall(r'followPresetName="([^"]*)"', mm.group(0))
+        if preset_name:
+            print(f"  followPresetName: {preset_name[0]}")
+        
+        # 检查 <layerSet>
+        layer_set = re.findall(r'<layerSet>(.*?)</layerSet>', map_content, re.DOTALL)
+        if layer_set:
+            print(f"  layerSet: {layer_set[0][:500]}")
+        
+        # 检查 <ComposerMapGrid>
+        grids = re.findall(r'<ComposerMapGrid[^>]*/>', map_content)
+        print(f"  grids: {len(grids)}")
+
+    # 也检查 <Layout> 格式 (QGIS 3.x)
+    map_item2_re = re.compile(r'<LayoutItem[^>]*type="[^"]*map[^"]*"[^>]*>(.*?)</LayoutItem>', re.DOTALL | re.IGNORECASE)
+    for mm in map_item2_re.finditer(layout_content):
+        map_content = mm.group(1)
+        print(f"  [LayoutItem Map] attributes: {mm.group(0)[:300]}")
+
+# 打印模板中所有的 map theme / visibility preset
+presets = re.findall(r'<(?:visibility-presets|map-theme-collection).*?</(?:visibility-presets|map-theme-collection)>', content, re.DOTALL)
+if presets:
+    print("\n=== 可见性预设 ===")
+    print(presets[0][:500])