Calculate correct FWHM statistic and draw circles at 1/20 of max

2019-10-11 21:00:14 +02:00
parent 9dacf62226
commit 485697a0b2
3 changed files with 52 additions and 1 deletions
@@ -182,6 +182,44 @@ bool Star::valid() const
    return !isnan(m_am);
 }

+//half width at half maximum = sqrt(2*ln(2))
+double Star::hwhmX() const
+{
+    return 1.177410023*m_sx;
+}
+
+double Star::hwhmY() const
+{
+    return 1.177410023*m_sy;
+}
+
+// half width at 1/20 maximum
+double Star::hw20X() const
+{
+    return 2.447746831*m_sx;
+}
+
+double Star::hw20Y() const
+{
+    return 2.447746831*m_sy;
+}
+
+// full width at half maximum
+double Star::fwhmX() const
+{
+    return 2.354820045*m_sx;
+}
+
+double Star::fwhmY() const
+{
+    return 2.354820045*m_sy;
+}
+
+bool Star::operator<(const Star &d) const
+{
+    return m_am < d.m_am;
+}
+
 StarFit::StarFit(int size)
 {
    m_size = size;