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From jso...@apache.org
Subject [sis] 01/01: feat(Resample): draft resampling classes
Date Tue, 17 Mar 2020 07:45:55 GMT
This is an automated email from the ASF dual-hosted git repository.

jsorel pushed a commit to branch feat/resample
in repository https://gitbox.apache.org/repos/asf/sis.git

commit d107907695a2f865234a897df9fa8ab11581a241
Author: jsorel <johann.sorel@geomatys.com>
AuthorDate: Mon Mar 16 16:48:59 2020 +0100

    feat(Resample): draft resampling classes
---
 .../internal/coverage/resample/Interpolator.java   | 26 ++++++
 .../sis/internal/coverage/resample/Resample.java   | 32 +++++++
 .../coverage/resample/ResampleBuilder.java         | 97 ++++++++++++++++++++++
 .../internal/coverage/resample/WarpBuilder.java    | 26 ++++++
 .../sis/internal/coverage/resample/WarpGrid.java   | 26 ++++++
 .../internal/coverage/resample/WarpTransform.java  | 43 ++++++++++
 6 files changed, 250 insertions(+)

diff --git a/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/Interpolator.java
b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/Interpolator.java
new file mode 100644
index 0000000..45fa7ab
--- /dev/null
+++ b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/Interpolator.java
@@ -0,0 +1,26 @@
+/*
+ * 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.sis.internal.coverage.resample;
+
+/**
+ *
+ * @author Martin Desruisseaux (Geomatys)
+ * @author Johann Sorel (Geomatys)
+ */
+interface Interpolator {
+
+}
diff --git a/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/Resample.java
b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/Resample.java
new file mode 100644
index 0000000..6924034
--- /dev/null
+++ b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/Resample.java
@@ -0,0 +1,32 @@
+/*
+ * 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.sis.internal.coverage.resample;
+
+import org.apache.sis.coverage.grid.GridCoverage;
+
+/**
+ *
+ * @author Martin Desruisseaux (Geomatys)
+ * @author Johann Sorel (Geomatys)
+ */
+final class Resample {
+
+    GridCoverage process() {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+}
diff --git a/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/ResampleBuilder.java
b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/ResampleBuilder.java
new file mode 100644
index 0000000..bc364ed
--- /dev/null
+++ b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/ResampleBuilder.java
@@ -0,0 +1,97 @@
+/*
+ * 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.sis.internal.coverage.resample;
+
+import java.awt.image.RenderedImage;
+import java.awt.image.WritableRenderedImage;
+import java.util.function.BiFunction;
+import org.apache.sis.coverage.grid.GridCoverage;
+import org.apache.sis.coverage.grid.GridGeometry;
+import org.opengis.referencing.crs.CoordinateReferenceSystem;
+
+/**
+ *
+ * @author Martin Desruisseaux (Geomatys)
+ * @author Johann Sorel (Geomatys)
+ */
+public class ResampleBuilder {
+
+    public ResampleBuilder setSource(GridCoverage coverage) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    public ResampleBuilder setSource(GridGeometry grid, RenderedImage image) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    public ResampleBuilder setTarget(GridCoverage coverage) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    public ResampleBuilder setTarget(CoordinateReferenceSystem crs) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    public ResampleBuilder setTarget(GridGeometry grid) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    /**
+     * Resample to target coverage image.
+     *
+     * @param grid
+     * @param image
+     * @return
+     */
+    public ResampleBuilder setTarget(GridGeometry grid, WritableRenderedImage image) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    public ResampleBuilder setInterpolation(Interpolator interpolator) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    /**
+     * Set target value used to fill samples when source datas are out of coverage extent.
+     *
+     * @param fill
+     * @return
+     */
+    public ResampleBuilder setFillValue(double ... fill) {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    /**
+     * When resampling multiple coverage onto a single image, how values should be merge
+     * may depend on the algorithm.
+     * For example if a value is already defined in the target image and the source
+     * image provide NaN values we could want to preserve the value in the image instead
of the NaN.
+     *
+     * By default source samples will override any value in the target image.
+     *
+     * @param merger
+     * @return
+     */
+    public ResampleBuilder setMerger(BiFunction<double[], double[], double[]> merger)
{
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    public Resample build() {
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+}
diff --git a/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpBuilder.java
b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpBuilder.java
new file mode 100644
index 0000000..4bd8674
--- /dev/null
+++ b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpBuilder.java
@@ -0,0 +1,26 @@
+/*
+ * 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.sis.internal.coverage.resample;
+
+/**
+ *
+ * @author Martin Desruisseaux (Geomatys)
+ * @author Johann Sorel (Geomatys)
+ */
+final class WarpBuilder {
+
+}
diff --git a/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpGrid.java
b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpGrid.java
new file mode 100644
index 0000000..63222cc
--- /dev/null
+++ b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpGrid.java
@@ -0,0 +1,26 @@
+/*
+ * 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.sis.internal.coverage.resample;
+
+/**
+ *
+ * @author Martin Desruisseaux (Geomatys)
+ * @author Johann Sorel (Geomatys)
+ */
+final class WarpGrid {
+
+}
diff --git a/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpTransform.java
b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpTransform.java
new file mode 100644
index 0000000..c83942e
--- /dev/null
+++ b/core/sis-feature/src/main/java/org/apache/sis/internal/coverage/resample/WarpTransform.java
@@ -0,0 +1,43 @@
+/*
+ * 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.sis.internal.coverage.resample;
+
+import org.apache.sis.referencing.operation.transform.AbstractMathTransform2D;
+import org.apache.sis.util.ArgumentChecks;
+import org.opengis.referencing.operation.Matrix;
+import org.opengis.referencing.operation.TransformException;
+
+/**
+ *
+ * @author Martin Desruisseaux (Geomatys)
+ * @author Johann Sorel (Geomatys)
+ */
+final class WarpTransform extends AbstractMathTransform2D {
+
+    private final WarpGrid grid;
+
+    WarpTransform(WarpGrid grid) {
+        ArgumentChecks.ensureNonNull("grid", grid);
+        this.grid = grid;
+    }
+
+    @Override
+    public Matrix transform(double[] srcPts, int srcOff, double[] dstPts, int dstOff, boolean
derivate) throws TransformException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+}


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