From 3b2c44070edb1f24bfa1b9701eca3a945d452b48 Mon Sep 17 00:00:00 2001
From: Brendan Klare <brendan.klare@noblis.org>
Date: Wed, 18 Dec 2013 17:07:04 -0500
Subject: [PATCH] New Transform to remove a meta-data field

---
 openbr/plugins/template.cpp | 30 +++++++-----------------------
 1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/openbr/plugins/template.cpp b/openbr/plugins/template.cpp
index 2cd7c61..fdffab5 100644
--- a/openbr/plugins/template.cpp
+++ b/openbr/plugins/template.cpp
@@ -52,39 +52,23 @@ BR_REGISTER(Transform, RemoveTemplatesTransform)
 
 /*!
  * \ingroup transforms
- * \brief Filters a gallery based on the value of a metadata field.
+ * \brief Removes a metadata field from all templates
  * \author Brendan Klare \cite bklare
  */
-class FilterOnMetadataTransform : public UntrainableMetaTransform
+class RemoveMetadataTransform : public UntrainableTransform
 {
     Q_OBJECT
     Q_PROPERTY(QString attributeName READ get_attributeName WRITE set_attributeName RESET reset_attributeName STORED false)
-    Q_PROPERTY(float threshold READ get_threshold WRITE set_threshold RESET reset_threshold STORED false)
-    Q_PROPERTY(bool isGreaterThan READ get_isGreaterThan WRITE set_isGreaterThan RESET reset_isGreaterThan STORED false)
-    BR_PROPERTY(QString, attributeName, "Confidence")
-    BR_PROPERTY(float, threshold, 0)
-    BR_PROPERTY(bool, isGreaterThan, true)
-
-    void project(const TemplateList &src, TemplateList &dst) const
-    {
-        QList<Template> filtered;
-        foreach (Template t, src) {
-            if (!t.file.contains(attributeName))
-                continue;
-            bool pass = t.file.get<float>(attributeName) > threshold;
-            if (isGreaterThan ? pass : !pass)
-                filtered.append(t);
-        }
-        dst = TemplateList(filtered);
-    }
+    BR_PROPERTY(QString, attributeName, "None")
 
     void project(const Template &src, Template &dst) const
     {
-        (void) src; (void) dst; qFatal("shouldn't be here");
+        dst = src;
+        if (dst.file.contains(attributeName))
+            dst.file.remove(attributeName);
     }
 };
-
-BR_REGISTER(Transform, FilterOnMetadataTransform)
+BR_REGISTER(Transform, RemoveMetadataTransform)
 
 } // namespace br
 
--
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