From fef0f3704ccf5736e6da582aa3779b06a25705ac Mon Sep 17 00:00:00 2001
From: Antonin Portelli <antonin.portelli@me.com>
Date: Fri, 27 Jun 2025 15:58:36 +0100
Subject: [PATCH] step plot

---
 lib/LatAnalyze/Core/Plot.cpp | 21 +++++++++++++++++++++
 lib/LatAnalyze/Core/Plot.hpp |  9 +++++++++
 2 files changed, 30 insertions(+)

diff --git a/lib/LatAnalyze/Core/Plot.cpp b/lib/LatAnalyze/Core/Plot.cpp
index 879c99e..020b170 100644
--- a/lib/LatAnalyze/Core/Plot.cpp
+++ b/lib/LatAnalyze/Core/Plot.cpp
@@ -511,6 +511,27 @@ PlotImpulses::PlotImpulses(const DVec &x, const DVec &y)
     setCommand("'" + tmpFileName + "' u 1:2 w impulses");
 }
 
+// PlotSteps constructor ////////////////////////////////////////////////////
+PlotSteps::PlotSteps(const DVec &x, const DVec &y)
+{
+    if (x.rows() != y.rows())
+    {
+        LATAN_ERROR(Size, "x and y vector does not have the same size");
+    }
+
+    DMat   d(x.rows(), 2);
+    string tmpFileName;
+
+    for (Index i = 0; i < x.rows(); ++i)
+    {
+        d(i, 0) = x(i);
+        d(i, 1) = y(i);
+    }
+    tmpFileName = dumpToTmpFile(d);
+    pushTmpFile(tmpFileName);
+    setCommand("'" + tmpFileName + "' u 1:2 w steps");
+}
+
 // PlotGrid constructor ////////////////////////////////////////////////////////
 PlotGrid::PlotGrid(const DVec &x, const DVec &y, const DMat &value)
 {
diff --git a/lib/LatAnalyze/Core/Plot.hpp b/lib/LatAnalyze/Core/Plot.hpp
index b12ff96..b0f7e01 100644
--- a/lib/LatAnalyze/Core/Plot.hpp
+++ b/lib/LatAnalyze/Core/Plot.hpp
@@ -191,6 +191,15 @@ public:
     virtual ~PlotHistogram(void) = default;
 };
 
+class PlotSteps: public PlotObject
+{
+public:
+    // constructor
+    PlotSteps(const DVec &x, const DVec &y);
+    // destructor
+    virtual ~PlotSteps(void) = default;
+};
+
 class PlotImpulses: public PlotObject
 {
 public: