fix

1、基于新框架实现点击显示光谱;
2、影像拉伸显示优化；
3、右键菜单新增：移除所有栅格图层；

HPPA/ImageViewer.cpp

@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include <iostream>
+#include <cmath>
 
 #include <QWheelEvent>
 #include <QPoint>
@@ -130,7 +131,19 @@ void Mapcavas::mousePressEvent(QMouseEvent *event)
         m_bMouseTranslate = true;
         m_lastMousePos = event->pos();
 
-        emit leftMouseButtonPressed(mapToScene(m_lastMousePos).x(), mapToScene(m_lastMousePos).y());
+        const QPointF scenePt = mapToScene(m_lastMousePos);
+        const int x = static_cast<int>(std::floor(scenePt.x()));
+        const int y = static_cast<int>(std::floor(scenePt.y()));
+
+        if (m_rasterLayer && m_rasterLayer->isValidPixel(x, y))
+        {
+            QVector<double> wavelengths;
+            QVector<double> spectrum;
+            if (m_rasterLayer->readPixelSpectrum(x, y, wavelengths, spectrum))
+            {
+                emit leftMouseButtonPressed(x, y, wavelengths, spectrum);
+            }
+        }
     }
     QGraphicsView::mousePressEvent(event);
 }