diff --git a/openbr/plugins/slidingwindow.cpp b/openbr/plugins/slidingwindow.cpp
index f5d88ef..65b174f 100644
--- a/openbr/plugins/slidingwindow.cpp
+++ b/openbr/plugins/slidingwindow.cpp
@@ -40,21 +40,13 @@ class SlidingWindowTransform : public Transform
 {
     Q_OBJECT
     Q_PROPERTY(br::Transform *transform READ get_transform WRITE set_transform RESET reset_transform STORED false)
-    Q_PROPERTY(int minSize READ get_minSize WRITE set_minSize RESET reset_minSize STORED false)
     Q_PROPERTY(int stepSize READ get_stepSize WRITE set_stepSize RESET reset_stepSize STORED false)
     Q_PROPERTY(bool takeFirst READ get_takeFirst WRITE set_takeFirst RESET reset_takeFirst STORED false)
-    Q_PROPERTY(bool negSamples READ get_negSamples WRITE set_negSamples RESET reset_negSamples STORED false)
-    Q_PROPERTY(int negToPosRatio READ get_negToPosRatio WRITE set_negToPosRatio RESET reset_negToPosRatio STORED false)
-    Q_PROPERTY(double maxOverlap READ get_maxOverlap WRITE set_maxOverlap RESET reset_maxOverlap STORED false)
     Q_PROPERTY(int windowWidth READ get_windowWidth WRITE set_windowWidth RESET reset_windowWidth STORED false)
     Q_PROPERTY(float threshold READ get_threshold WRITE set_threshold RESET reset_threshold STORED false)
     BR_PROPERTY(br::Transform *, transform, NULL)
-    BR_PROPERTY(int, minSize, 8)
     BR_PROPERTY(int, stepSize, 1)
     BR_PROPERTY(bool, takeFirst, false)
-    BR_PROPERTY(bool, negSamples, true)
-    BR_PROPERTY(int, negToPosRatio, 1)
-    BR_PROPERTY(double, maxOverlap, 0)
     BR_PROPERTY(int, windowWidth, 24)
     BR_PROPERTY(float, threshold, 0)
 
@@ -65,11 +57,84 @@ private:
 
     void train(const TemplateList &data)
     {
-        // only calculate if the work hasn't been done
-        aspectRatio = data.first().file.get<float>("aspectRatio", -1);
+        float aspectRatio = data.first().file.get<float>("aspectRatio", -1);
         if (aspectRatio == -1)
             aspectRatio = getAspectRatio(data);
         windowHeight = (int) qRound((float) windowWidth / aspectRatio);
+        if (transform->trainable) {
+            transform->train(data);
+        }
+    }
+
+    void project(const Template &src, Template &dst) const
+    {
+        dst = src;
+        // no need to slide a window over ground truth data
+        if (src.file.getBool("Train", false)) return;
+
+        dst.file.clearRects();
+        float scale = src.file.get<float>("scale", 1);
+        Template windowTemplate(src.file, src);
+        for (double y = 0; y + windowHeight < src.m().rows; y += stepSize) {
+            for (double x = 0; x + windowWidth < src.m().cols; x += stepSize) {
+                Mat windowMat(src, Rect(x, y, windowWidth, windowHeight));
+                windowTemplate.replace(0,windowMat);
+                Template detect;
+                transform->project(windowTemplate, detect);
+                float conf = detect.m().at<float>(0);
+
+                // the result will be in the Label
+                if (conf > threshold) {
+                    dst.file.appendRect(QRectF((float) x * scale, (float) y * scale, (float) windowWidth * scale, (float) windowHeight * scale));
+                    QList<float> confidences = dst.file.getList<float>("Confidences", QList<float>());
+                    confidences.append(conf);
+                    dst.file.setList<float>("Confidences", confidences);
+                    if (takeFirst)
+                        return;
+                }
+            }
+        }
+    }
+};
+
+BR_REGISTER(Transform, SlidingWindowTransform)
+
+/*!
+ * \ingroup transforms
+ * \brief .
+ * \author Austin Blanton \cite imaus10
+ */
+class BuildScalesTransform : public Transform
+{
+    Q_OBJECT
+    Q_PROPERTY(br::Transform *transform READ get_transform WRITE set_transform RESET reset_transform STORED false)
+    Q_PROPERTY(double scaleFactor READ get_scaleFactor WRITE set_scaleFactor RESET reset_scaleFactor STORED false)
+    Q_PROPERTY(bool takeLargestScale READ get_takeLargestScale WRITE set_takeLargestScale RESET reset_takeLargestScale STORED false)
+    Q_PROPERTY(int windowWidth READ get_windowWidth WRITE set_windowWidth RESET reset_windowWidth STORED false)
+    Q_PROPERTY(int negToPosRatio READ get_negToPosRatio WRITE set_negToPosRatio RESET reset_negToPosRatio STORED false)
+    Q_PROPERTY(int minSize READ get_minSize WRITE set_minSize RESET reset_minSize STORED false)
+    Q_PROPERTY(double maxOverlap READ get_maxOverlap WRITE set_maxOverlap RESET reset_maxOverlap STORED false)
+    Q_PROPERTY(bool negSamples READ get_negSamples WRITE set_negSamples RESET reset_negSamples STORED false)
+    BR_PROPERTY(br::Transform *, transform, NULL)
+    BR_PROPERTY(double, scaleFactor, 0.75)
+    BR_PROPERTY(bool, takeLargestScale, false)
+    BR_PROPERTY(int, windowWidth, 24)
+    BR_PROPERTY(int, negToPosRatio, 1)
+    BR_PROPERTY(int, minSize, 8)
+    BR_PROPERTY(double, maxOverlap, 0)
+    BR_PROPERTY(bool, negSamples, true)
+
+public:
+    BuildScalesTransform() : Transform(false, true) {}
+private:
+    int windowHeight;
+
+    void train(const TemplateList &_data)
+    {
+        TemplateList data = _data;  // have to make a copy b/c data is const
+        aspectRatio = getAspectRatio(data);
+        data.first().file.set("aspectRatio", aspectRatio);
+        windowHeight = (int) qRound((float) windowWidth / aspectRatio);
 
         if (transform->trainable) {
             TemplateList full;
@@ -142,71 +207,6 @@ private:
         return false;
     }
 
-    void project(const Template &src, Template &dst) const
-    {
-        dst = src;
-        // no need to slide a window over ground truth data
-        if (src.file.getBool("Train", false)) return;
-
-        dst.file.clearRects();
-        int scale = src.file.get<float>("scale", 1);
-        Template windowTemplate(src.file, src);
-        for (double y = 0; y + windowHeight < src.m().rows; y += stepSize) {
-            for (double x = 0; x + windowWidth < src.m().cols; x += stepSize) {
-                Mat windowMat(src, Rect(x, y, windowWidth, windowHeight));
-                windowTemplate.replace(0,windowMat);
-                Template detect;
-                transform->project(windowTemplate, detect);
-                float conf = detect.m().at<float>(0);
-
-                // the result will be in the Label
-                if (conf > threshold) {
-                    dst.file.appendRect(QRectF((float) x * scale, (float) y * scale, (float) windowWidth * scale, (float) windowHeight * scale));
-                    QList<float> confidences = dst.file.getList<float>("Confidences", QList<float>());
-                    confidences.append(conf);
-                    dst.file.setList<float>("Confidences", confidences);
-                    if (takeFirst)
-                        return;
-                }
-            }
-        }
-    }
-
-    float aspectRatio;
-};
-
-BR_REGISTER(Transform, SlidingWindowTransform)
-
-/*!
- * \ingroup transforms
- * \brief .
- * \author Austin Blanton \cite imaus10
- */
-class BuildScalesTransform : public Transform
-{
-    Q_OBJECT
-    Q_PROPERTY(br::Transform *transform READ get_transform WRITE set_transform RESET reset_transform STORED false)
-    Q_PROPERTY(double scaleFactor READ get_scaleFactor WRITE set_scaleFactor RESET reset_scaleFactor STORED false)
-    Q_PROPERTY(bool takeLargestScale READ get_takeLargestScale WRITE set_takeLargestScale RESET reset_takeLargestScale STORED false)
-    Q_PROPERTY(int windowWidth READ get_windowWidth WRITE set_windowWidth RESET reset_windowWidth STORED false)
-    BR_PROPERTY(br::Transform *, transform, NULL)
-    BR_PROPERTY(double, scaleFactor, 0.75)
-    BR_PROPERTY(bool, takeLargestScale, false)
-    BR_PROPERTY(int, windowWidth, 24)
-
-public:
-    BuildScalesTransform() : Transform(false, true) {}
-private:
-
-    void train(const TemplateList &data)
-    {
-        aspectRatio = getAspectRatio(data);
-        // have to make a copy b/c data is const
-        TemplateList cp = data;
-        cp.first().file.set("aspectRatio", aspectRatio);
-        if (transform->trainable)
-            transform->train(cp);
-    }
 
     void project(const Template &src, Template &dst) const
     {