debug lauch; 修复无地理信息时闪退问题

.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: ECD",
+            "type": "python",
+            "request": "launch",
+            "program": "ECD.py",
+            "console": "integratedTerminal",
+            "justMyCode": true
+        }
+    ]
+}

rscder/gui/actions.py

@@ -60,7 +60,7 @@ class ActionManager(QtCore.QObject):
         self.change_detection_menu = menubar.addMenu('&通用变化检测')
         # self.unsupervised_menu = self.change_detection_menu.addMenu(IconInstance().UNSUPERVISED, '&无监督变化检测')
         self.supervised_menu = self.change_detection_menu.addMenu(IconInstance().SUPERVISED,'&监督变化检测')
-        self.ai_menu = self.change_detection_menu.addMenu(IconInstance().AI_DETECT,'&AI变化检测')
+        # self.ai_menu = self.change_detection_menu.addMenu(IconInstance().AI_DETECT,'&AI变化检测')
         self.special_chagne_detec_menu = menubar.addMenu( '&专题变化检测')
         self.water_menu = self.special_chagne_detec_menu.addMenu(IconInstance().WATER_CHANGE,'&水体变化检测')
         self.veg_menu = self.special_chagne_detec_menu.addMenu(IconInstance().VEGETATION,'&植被变化检测')

rscder/utils/project.py

@@ -367,14 +367,16 @@ class GridLayer(BasicLayer):
 
         self.cell_size = cell_size
         self.proj = proj
+        if proj == '':
+            geo = [0, 1, 0, 0, 0, -1]
         self.geo = geo
-        self.x_size = x_size
-        self.y_size = y_size
+        self.x_size = np.abs(x_size)
+        self.y_size = np.abs(y_size)
 
         self.x_min = geo[0]
         self.y_min = geo[3]
         self.x_res = geo[1]
-        self.y_res = geo[5]
+        self.y_res = -np.abs(geo[5])
         self.x_max = self.x_min + self.x_res * self.x_size
         self.y_max = self.y_min + self.y_res * self.y_size
         self.x_lines = []
@@ -384,15 +386,18 @@ class GridLayer(BasicLayer):
             self.x_lines.pop()
         self.x_lines.append(self.x_max)
         self.y_lines = []
-        for yi in range(self.y_size // self.cell_size[1]+1):
+        for yi in range(np.abs(self.y_size) // self.cell_size[1]+1):
             self.y_lines.append(self.y_min + self.y_res * yi * self.cell_size[1])
         if self.y_lines[-1] < self.y_max:
             self.y_lines.pop()
         self.y_lines.append(self.y_max)
         crs = QgsCoordinateReferenceSystem()
-        crs.createFromString('WKT:{}'.format(proj))
+        proj_str = ''
+        if proj != '':
+            crs.createFromString('WKT:{}'.format(proj))
+            proj_str = crs.toProj()
         # print(crs)
-        lines_layer = QgsVectorLayer('LineString?crs={}'.format(crs.toProj()), 'temp-grid-outline', "memory")
+        lines_layer = QgsVectorLayer('LineString?crs={}'.format(proj_str), 'temp-grid-outline', "memory")
         if not lines_layer.isValid():
             Project().message_box.error('Failed to create grid outline layer')
             return