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From er...@apache.org
Subject [02/10] [math] MATH-1268
Date Fri, 11 Sep 2015 09:42:14 GMT
MATH-1268

API for algorithms that create some visualization of a 2D SOFM.


Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/cba459c0
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/cba459c0
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/cba459c0

Branch: refs/heads/MATH_3_X
Commit: cba459c0b51d6e33743a2039ffd4481ebc763cd7
Parents: a382b33
Author: Gilles <erans@apache.org>
Authored: Tue Sep 8 14:30:39 2015 +0200
Committer: Gilles <erans@apache.org>
Committed: Tue Sep 8 14:30:39 2015 +0200

----------------------------------------------------------------------
 .../twod/util/MapDataVisualization.java         | 37 ++++++++++++++++++++
 .../neuralnet/twod/util/MapVisualization.java   | 33 +++++++++++++++++
 2 files changed, 70 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/commons-math/blob/cba459c0/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapDataVisualization.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapDataVisualization.java
b/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapDataVisualization.java
new file mode 100644
index 0000000..1570e8b
--- /dev/null
+++ b/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapDataVisualization.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.math3.ml.neuralnet.twod.util;
+
+import org.apache.commons.math3.ml.neuralnet.twod.NeuronSquareMesh2D;
+
+/**
+ * Interface for algorithms that compute some metrics of the projection of
+ * data on a 2D-map.
+ */
+public interface MapDataVisualization {
+    /**
+     * Creates an image of the {@code data} metrics when represented by the
+     * {@code map}.
+     *
+     * @param map Map.
+     * @param data Data.
+     * @return a 2D-array (in row major order) representing the metrics.
+     */
+    double[][] computeImage(NeuronSquareMesh2D map,
+                            Iterable<double[]> data);
+}

http://git-wip-us.apache.org/repos/asf/commons-math/blob/cba459c0/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapVisualization.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapVisualization.java
b/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapVisualization.java
new file mode 100644
index 0000000..a4453f5
--- /dev/null
+++ b/src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/MapVisualization.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.math3.ml.neuralnet.twod.util;
+
+import org.apache.commons.math3.ml.neuralnet.twod.NeuronSquareMesh2D;
+
+/**
+ * Interface for algorithms that compute some property of a 2D-map.
+ */
+public interface MapVisualization {
+    /**
+     * Creates an image of the {@code map}.
+     *
+     * @param map Map.
+     * @return a 2D-array (in row major order) representing the property.
+     */
+    double[][] computeImage(NeuronSquareMesh2D map);
+}


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