From 7fd31d1fcc1de234bc155c66c6ea5f8e7ec9fa76 Mon Sep 17 00:00:00 2001
From: Antonin Portelli <antonin.portelli@me.com>
Date: Wed, 3 Aug 2022 14:24:36 +0100
Subject: [PATCH] object to plot single point

---
 lib/Core/Plot.cpp | 54 +++++++++++++++++++++++++++++++++++++++++++++++
 lib/Core/Plot.hpp | 12 +++++++++++
 2 files changed, 66 insertions(+)

diff --git a/lib/Core/Plot.cpp b/lib/Core/Plot.cpp
index 8bf3644..a696be6 100644
--- a/lib/Core/Plot.cpp
+++ b/lib/Core/Plot.cpp
@@ -206,6 +206,60 @@ PlotData::PlotData(const XYStatData &data, const Index i, const Index j, const b
     setCommand("'" + tmpFileName + "' " + usingCmd);
 }
 
+// PlotPoint constructor ///////////////////////////////////////////////////////
+PlotPoint::PlotPoint(const double x, const double y)
+{
+    DMat d(1, 2);
+    string usingCmd, tmpFileName;
+
+    d(0, 0)     = x;
+    d(0, 1)     = y;
+    tmpFileName = dumpToTmpFile(d);
+    pushTmpFile(tmpFileName);
+    setCommand("'" + tmpFileName + "' u 1:2");
+}
+
+PlotPoint::PlotPoint(const DSample &x, const double y)
+{
+    DMat d(1, 3);
+    string usingCmd, tmpFileName;
+
+    d(0, 0)     = x[central];
+    d(0, 2)     = y;
+    d(0, 1)     = sqrt(x.variance());
+    tmpFileName = dumpToTmpFile(d);
+    pushTmpFile(tmpFileName);
+    setCommand("'" + tmpFileName + "' u 1:3:2 w xerr");
+}
+
+PlotPoint::PlotPoint(const double x, const DSample &y)
+{
+    DMat d(1, 3);
+    string usingCmd, tmpFileName;
+
+    d(0, 0)     = x;
+    d(0, 1)     = y[central];
+    d(0, 2)     = sqrt(y.variance());
+    tmpFileName = dumpToTmpFile(d);
+    pushTmpFile(tmpFileName);
+    setCommand("'" + tmpFileName + "' u 1:2:3 w yerr");
+}
+
+PlotPoint::PlotPoint(const DSample &x, const DSample &y)
+{
+    DMat d(1, 4);
+    string usingCmd, tmpFileName;
+
+    d(0, 0)     = x[central];
+    d(0, 2)     = y[central];
+    d(0, 1)     = sqrt(x.variance());
+    d(0, 3)     = sqrt(y.variance());
+    tmpFileName = dumpToTmpFile(d);
+    pushTmpFile(tmpFileName);
+    setCommand("'" + tmpFileName + "' u 1:3:2:4 w xyerr");
+}
+
+
 // PlotLine constructor ////////////////////////////////////////////////////////
 PlotLine::PlotLine(const DVec &x, const DVec &y)
 {
diff --git a/lib/Core/Plot.hpp b/lib/Core/Plot.hpp
index 1c2901c..af3a6b4 100644
--- a/lib/Core/Plot.hpp
+++ b/lib/Core/Plot.hpp
@@ -98,6 +98,18 @@ public:
     virtual ~PlotData(void) = default;
 };
 
+class PlotPoint: public PlotObject
+{
+public:
+    // constructor
+    PlotPoint(const double  x,  const double  y);
+    PlotPoint(const DSample &x, const double  y);
+    PlotPoint(const double  x,  const DSample &y);
+    PlotPoint(const DSample &x, const DSample &y);
+    // destructor
+    virtual ~PlotPoint(void) = default;
+};
+
 class PlotHLine: public PlotObject
 {
 public: