Merge pull request #33 from MIERUNE/feat/custom-extent

Feat/custom extent
MIERUNE · Jun 14, 2024 · 2ac59ed · 2ac59ed
2 parents 69044f3 + a3393bc
commit 2ac59ed
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Showing 2 changed files with 45 additions and 15 deletions.
diff --git a/elevation_tile_for_jp_dialog_base.ui b/elevation_tile_for_jp_dialog_base.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>517</width>
-    <height>140</height>
+    <height>355</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -131,6 +131,10 @@
      </item>
     </layout>
    </item>
+   <item>
+    <widget class="QgsExtentGroupBox" name="mExtentGroupBox">
+    </widget>
+   </item>
    <item>
     <widget class="QDialogButtonBox" name="button_box">
      <property name="orientation">
@@ -144,6 +148,18 @@
   </layout>
  </widget>
  <customwidgets>
+  <customwidget>
+   <class>QgsCollapsibleGroupBox</class>
+   <extends>QGroupBox</extends>
+   <header>qgscollapsiblegroupbox.h</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>QgsExtentGroupBox</class>
+   <extends>QgsCollapsibleGroupBox</extends>
+   <header>qgsextentgroupbox.h</header>
+   <container>1</container>
+  </customwidget>
   <customwidget>
    <class>QgsFileWidget</class>
    <extends>QWidget</extends>

diff --git a/get_tiles.py b/get_tiles.py
@@ -23,11 +23,14 @@
 import os
 from math import log
 
-from PyQt5.QtCore import *
-from PyQt5.QtGui import *
-from PyQt5.QtWidgets import *
-from qgis.core import *
-from qgis.gui import *
+from PyQt5.QtWidgets import QMessageBox
+from qgis.core import (
+    QgsProject,
+    QgsRasterLayer,
+    QgsCoordinateReferenceSystem,
+    QgsCoordinateTransform,
+)
+from qgis.gui import QgsFileWidget
 
 from elevation_tile_for_jp_dialog import ElevationTileforJPDialog
 
@@ -59,6 +62,13 @@ def __init__(self, iface):
         # プロジェクトのデフォルトのcrsを格納
         self.dlg.mQgsProjectionSelectionWidget_output_crs.setCrs(self.project.crs())
 
+        # set extent as current map canvas with current CRS
+        # QgsExtentGroupBox
+        self.dlg.mExtentGroupBox.setMapCanvas(iface.mapCanvas())
+        self.dlg.mExtentGroupBox.setOutputCrs(QgsProject.instance().crs())
+        self.dlg.mExtentGroupBox.setOutputExtentFromCurrent()
+        QgsProject.instance().crsChanged.connect(self.on_map_crs_changed)
+
         # コンボボックスにズームレベルを設定
         self.setup_zoom_level_combo_box()
 
@@ -67,6 +77,11 @@ def __init__(self, iface):
         # ダイアログのボタンボックスがrejected（キャンセル）されたらdlg_cancel()が作動
         self.dlg.button_box.rejected.connect(self.dlg_cancel)
 
+    # update extent crs when updated
+    def on_map_crs_changed(self):
+        self.dlg.mExtentGroupBox.setOutputCrs(QgsProject.instance().crs()),
+        self.dlg.mExtentGroupBox.setOutputExtentFromCurrent()
+
     # キャンセルクリック
     def dlg_cancel(self):
         # ダイアログを非表示
@@ -143,16 +158,15 @@ def get_current_zoom(self):
             round(log(((dpi * inchesPerMeter * maxScalePerPixel) / scale), 2), 0)
         )
 
-    # map_canvasのXY座標のminとmaxを取得
+    # 対象領域のXY座標のminとmaxを取得
     def get_canvas_bbox(self):
-        extent = self.iface.mapCanvas().extent()
-        xmin, xmax, ymin, ymax = (
-            float(extent.xMinimum()),
-            float(extent.xMaximum()),
-            float(extent.yMinimum()),
-            float(extent.yMaximum()),
-        )
-        return [xmin, ymin, xmax, ymax]
+        extent = [
+            self.dlg.mExtentGroupBox.outputExtent().xMinimum(),
+            self.dlg.mExtentGroupBox.outputExtent().yMinimum(),
+            self.dlg.mExtentGroupBox.outputExtent().xMaximum(),
+            self.dlg.mExtentGroupBox.outputExtent().yMaximum(),
+        ]
+        return extent
 
     def transform(self, src_crs, bbox, dst_crs_id="EPSG:4326"):
         dst_crs = QgsCoordinateReferenceSystem(dst_crs_id)