Fix error in starfit model, preparation for angled version

rawimage.h

@@ -34,8 +34,9 @@ class RawImageAbs
 public:
     virtual ~RawImageAbs(){}
     virtual bool imageStats(uint64_t *mean, double *stdDev, uint64_t *median, uint64_t *min, uint64_t *max) const = 0;
+    virtual void rect(int &x, int &y, int w, int h, std::vector<double> &r) const = 0;
     virtual int findPeaks(uint64_t background, double distance, std::vector<Peak> &peaks) const = 0;
-    virtual void medianFilter() = 0;
+    virtual RawImageAbs* medianFilter() const = 0;
     virtual void quarter() = 0;
 };
 
@@ -125,6 +126,20 @@ public:
         if(y>=m_height)y=0;
         return m_img[y*m_width+x];
     }
+    void rect(int &x, int &y, int w, int h, std::vector<double> &r) const
+    {
+        r.resize(w*h);
+        x -= w/2;
+        y -= h/2;
+        if(x<0)x = 0;
+        if(y<0)y = 0;
+        if(x+w >= m_width)x = m_width-w;
+        if(y+h >= m_height)y = m_height-h;
+        uint32_t d = 0;
+        for(int i=y;i<y+h;i++)
+            for(int o=x;o<x+w;o++)
+                r[d++] = pixel(o, i);
+    }
     int findPeaks(uint64_t background, double distance, std::vector<Peak> &peaks) const
     {
         std::vector<Peak> tmpPeaks;
@@ -165,8 +180,9 @@ public:
         }
         return num;
     }
-    void medianFilter()
+    RawImageAbs* medianFilter() const
     {
+        RawImage<T> *ret = new RawImage<T>;
         std::vector<T> tmp;
         tmp.resize(m_width*m_height);
         #pragma omp parallel for
@@ -181,7 +197,10 @@ public:
                 tmp[y*m_width+x] = array[4];
             }
         }
-        m_img = std::move(tmp);
+        ret->m_width = m_width;
+        ret->m_height = m_height;
+        ret->m_img = std::move(tmp);
+        return ret;
     }
     void quarter()
     {