jfjoch_viewer: Grid scan 2D image has also 1/d^2 for resolution estimation plot

viewer/image_viewer/JFJochGridScanImage.cpp

@@ -14,7 +14,7 @@ void JFJochGridScanImage::clear() {
     CalcROI();
 }
 
-void JFJochGridScanImage::loadData(const std::vector<float> &data, const GridScanSettings &settings) {
+void JFJochGridScanImage::loadData(const std::vector<float> &data, const GridScanSettings &settings, bool in_one_over_d2) {
     if (data.empty()) {
         clear();
         return;
@@ -30,6 +30,13 @@ void JFJochGridScanImage::loadData(const std::vector<float> &data, const GridSca
 
     image_index = settings.Rearrange(indices, -1);
 
+    one_over_d2 = in_one_over_d2;
+    if (one_over_d2) {
+        for (int i = 0; i < image_fp.size(); i++)
+            if (!std::isnan(image_fp[i]))
+                image_fp[i] = 1.0f / (image_fp[i] * image_fp[i]);
+    }
+
     float minv = std::numeric_limits<float>::infinity();
     float maxv = -std::numeric_limits<float>::infinity();
     for (float v : image_fp) {
@@ -75,12 +82,28 @@ void JFJochGridScanImage::mouseHover(QMouseEvent *event) {
         if (event->modifiers() & Qt::ShiftModifier)
             emit imageSelected(image_id);
 
-        emit writeStatusBar(QString("Image %1 y %2 y %3 value %4")
-                            .arg(image_id)
-                            .arg(x)
-                            .arg(y)
-                            .arg(QString::number(image_fp[idx], 'f', 3)),
-                            6000);
+        if (one_over_d2) {
+            if (std::isnan(image_fp[idx]))
+                emit writeStatusBar(QString("Image %1 x %2 y %3 no resolution estimation")
+                                    .arg(image_id)
+                                    .arg(x)
+                                    .arg(y),
+                                    6000);
+            else
+                emit writeStatusBar(QString("Image %1 x %2 y %3 d = %4 Å")
+                                    .arg(image_id)
+                                    .arg(x)
+                                    .arg(y)
+                                    .arg(QString::number(1 / std::sqrt(image_fp[idx]), 'f', 2)),
+                                    6000);
+        } else {
+            emit writeStatusBar(QString("Image %1 x %2 y %3 value %4")
+                                .arg(image_id)
+                                .arg(x)
+                                .arg(y)
+                                .arg(QString::number(image_fp[idx], 'f', 3)),
+                                6000);
+        }
     }
 }