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| build/ | ||
| output/ | ||
| dot/ | ||
| .gradle/ | ||
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| *~ | ||
| *.class | ||
| .DS_Store | ||
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| # Package Files # | ||
| *.jar | ||
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| /* | ||
| * Copyright (c) 2007-2012 Concurrent, Inc. All Rights Reserved. | ||
| * | ||
| * Project and contact information: http://www.cascading.org/ | ||
| * | ||
| * This file is part of the Cascading project. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package copa; | ||
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| import cascading.flow.FlowProcess; | ||
| import cascading.operation.BaseOperation; | ||
| import cascading.operation.Function; | ||
| import cascading.operation.FunctionCall; | ||
| import cascading.tuple.Fields; | ||
| import cascading.tuple.Tuple; | ||
| import cascading.tuple.TupleEntry; | ||
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| public class AlbedoFunction extends BaseOperation implements Function | ||
| { | ||
| protected Integer year_new = 0; | ||
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| public AlbedoFunction( Fields fieldDeclaration, Integer year_new ) | ||
| { | ||
| super( 1, fieldDeclaration ); | ||
| this.year_new = year_new; | ||
| } | ||
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| public void operate( FlowProcess flowProcess, FunctionCall functionCall ) | ||
| { | ||
| TupleEntry argument = functionCall.getArguments(); | ||
| Integer year_construct = argument.getInteger( 0 ); | ||
| Double albedo_new = argument.getDouble( 1 ); | ||
| Double albedo_worn = argument.getDouble( 2 ); | ||
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| Double albedo = ( year_construct >= year_new ) ? albedo_new : albedo_worn; | ||
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| Tuple result = new Tuple(); | ||
| result.add( albedo ); | ||
| functionCall.getOutputCollector().add( result ); | ||
| } | ||
| } |
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| /* | ||
| * Copyright (c) 2007-2012 Concurrent, Inc. All Rights Reserved. | ||
| * | ||
| * Project and contact information: http://www.cascading.org/ | ||
| * | ||
| * This file is part of the Cascading project. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package copa; | ||
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| import org.apache.lucene.spatial.geohash.GeoHashUtils; | ||
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| import cascading.flow.FlowProcess; | ||
| import cascading.operation.BaseOperation; | ||
| import cascading.operation.Function; | ||
| import cascading.operation.FunctionCall; | ||
| import cascading.tuple.Fields; | ||
| import cascading.tuple.Tuple; | ||
| import cascading.tuple.TupleEntry; | ||
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| public class GeoHashFunction extends BaseOperation implements Function | ||
| { | ||
| public GeoHashFunction( Fields fieldDeclaration ) | ||
| { | ||
| super( 1, fieldDeclaration ); | ||
| } | ||
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| public void operate( FlowProcess flowProcess, FunctionCall functionCall ) | ||
| { | ||
| TupleEntry argument = functionCall.getArguments(); | ||
| Double lat = argument.getDouble( 0 ); | ||
| Double lng = argument.getDouble( 1 ); | ||
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| GeoHashUtils ghu = new GeoHashUtils(); | ||
| String geohash = ghu.encode( lat, lng ); | ||
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| Tuple result = new Tuple(); | ||
| result.add( geohash.substring( 0, 5 ) ); | ||
| functionCall.getOutputCollector().add( result ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Copyright (c) 2007-2012 Concurrent, Inc. All Rights Reserved. | ||
| * | ||
| * Project and contact information: http://www.cascading.org/ | ||
| * | ||
| * This file is part of the Cascading project. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package copa; | ||
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| import cascading.flow.FlowProcess; | ||
| import cascading.operation.BaseOperation; | ||
| import cascading.operation.Function; | ||
| import cascading.operation.FunctionCall; | ||
| import cascading.tuple.Fields; | ||
| import cascading.tuple.Tuple; | ||
| import cascading.tuple.TupleEntry; | ||
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| public class RoadSegmentFunction extends BaseOperation implements Function | ||
| { | ||
| public RoadSegmentFunction( Fields fieldDeclaration ) | ||
| { | ||
| super( 1, fieldDeclaration ); | ||
| } | ||
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| public void operate( FlowProcess flowProcess, FunctionCall functionCall ) | ||
| { | ||
| TupleEntry argument = functionCall.getArguments(); | ||
| String[] geo_list = argument.getString( 0 ).split( "\\s" ); | ||
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| for( int i = 0; i < ( geo_list.length - 1 ); i++ ) | ||
| { | ||
| String[] p0 = geo_list[i].split( "," ); | ||
| Double lng0 = new Double( p0[0] ); | ||
| Double lat0 = new Double( p0[1] ); | ||
| Double alt0 = new Double( p0[2] ); | ||
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| String[] p1 = geo_list[i + 1].split( "," ); | ||
| Double lng1 = new Double( p1[0] ); | ||
| Double lat1 = new Double( p1[1] ); | ||
| Double alt1 = new Double( p1[2] ); | ||
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| Double lat_mid = ( lat0 + lat1 ) / 2.0; | ||
| Double lng_mid = ( lng0 + lng1 ) / 2.0; | ||
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| Double slope = ( lat1 - lat0 ) / ( lng1 - lng0 ); | ||
| Double intercept = lat0 - ( slope * lng0 ); | ||
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| Tuple result = new Tuple(); | ||
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| result.add( lat0 ); | ||
| result.add( lng0 ); | ||
| result.add( alt0 ); | ||
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| result.add( lat1 ); | ||
| result.add( lng1 ); | ||
| result.add( alt1 ); | ||
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| result.add( lat_mid ); | ||
| result.add( lng_mid ); | ||
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| result.add( slope ); | ||
| result.add( intercept ); | ||
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| functionCall.getOutputCollector().add( result ); | ||
| } | ||
| } | ||
| } |
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