Merge pull request #284 from pmpowers-usgs/gmminput-builder-281

Gmminput builder improvements

Author: pmpowers-usgs

src/gov/usgs/earthquake/nshmp/GroundMotions.java

@@ -1,6 +1,5 @@
 package gov.usgs.earthquake.nshmp;
 
-//....................................... Import ..........................................
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -13,97 +12,80 @@
 import gov.usgs.earthquake.nshmp.data.Data;
 import gov.usgs.earthquake.nshmp.gmm.Gmm;
 import gov.usgs.earthquake.nshmp.gmm.GmmInput;
+import gov.usgs.earthquake.nshmp.gmm.GroundMotionModel;
 import gov.usgs.earthquake.nshmp.gmm.Imt;
 import gov.usgs.earthquake.nshmp.gmm.ScalarGroundMotion;
 import gov.usgs.earthquake.nshmp.util.Maths;
-//--------------------------------------- End Import --------------------------------------
-
-
 
 public class GroundMotions {
-  
-  
-  //................................ Method: distanceGroundMotion .........................
+
   public static DistanceResult distanceGroundMotions(
       Set<Gmm> gmms,
       GmmInput inputModel,
       Imt imt,
       double rMax) {
-    
-    
-    //.............................. Set Distance and Gmm Inputs ..........................
+
     int round = 5;
-  		double rJB;
+    double rJB;
     double rX;
     double rRup;
     double rMin = 0.001;
     double rPoints = 100.0;
-    double rStep = (Math.log10(rMax/rMin))/(rPoints-1);
-    double[] distance = Data.round(round, Data.pow10(Data.buildSequence(
-        Math.log10(rMin), Math.log10(rMax), rStep, true)));
-    
-    List<GmmInput> gmmInputs = new ArrayList<>(); 
-    
-    for(double r : distance) {
+    double rStep = (Math.log10(rMax / rMin)) / (rPoints - 1);
+    double[] distance = Data.round(round, Data.pow10(
+        Data.buildSequence(Math.log10(rMin), Math.log10(rMax), rStep, true)));
+
+    List<GmmInput> gmmInputs = new ArrayList<>();
+    GmmInput.Builder gmmBuilder = GmmInput.builder().fromCopy(inputModel);
+
+    for (double r : distance) {
       rJB = r;
       rX = r;
       rRup = Maths.hypot(r, inputModel.zTop);
-      GmmInput.Builder gmmBuilder = GmmInput.builder().fromModel(inputModel);
-      gmmInputs.add(gmmBuilder.distances(rJB, rRup, rX).build());
+      gmmBuilder.distances(rJB, rRup, rX);
+      gmmInputs.add(gmmBuilder.build());
     }
-    //-------------------------------------------------------------------------------------
-    
-    
-    //........................... Calculate Ground Motion .................................
+
     Map<Gmm, List<Double>> distanceMap = Maps.newEnumMap(Gmm.class);
     Map<Gmm, List<Double>> meanMap = Maps.newEnumMap(Gmm.class);
     Map<Gmm, List<Double>> sigmaMap = Maps.newEnumMap(Gmm.class);
-    
-    for(Gmm gmm : gmms) {
+
+    for (Gmm gmm : gmms) {
       ImmutableList.Builder<Double> means = ImmutableList.builder();
       ImmutableList.Builder<Double> sigmas = ImmutableList.builder();
-           
-      for(GmmInput gmmInput : gmmInputs) {
-        ScalarGroundMotion gm = gmm.instance(imt).calc(gmmInput);
+
+      GroundMotionModel model = gmm.instance(imt);
+      for (GmmInput gmmInput : gmmInputs) {
+        ScalarGroundMotion gm = model.calc(gmmInput);
         means.add(gm.mean());
-        sigmas.add(gm.sigma()); 
+        sigmas.add(gm.sigma());
       }
-      
+
       meanMap.put(gmm, means.build());
       sigmaMap.put(gmm, sigmas.build());
       distanceMap.put(gmm, Doubles.asList(distance));
     }
-    //-------------------------------------------------------------------------------------
-    
+
     return new DistanceResult(
         Maps.immutableEnumMap(distanceMap),
         Maps.immutableEnumMap(meanMap),
-        Maps.immutableEnumMap(sigmaMap)
-    );
+        Maps.immutableEnumMap(sigmaMap));
   }
-  //------------------------------ End Method: distanceGroundMotion -----------------------
-  
-  
-  
-  //............................. Class: DistanceResult ...................................
+
   public static class DistanceResult {
-    
+
     public final Map<Gmm, List<Double>> means;
     public final Map<Gmm, List<Double>> distance;
     public final Map<Gmm, List<Double>> sigmas;
-    
+
     DistanceResult(
         Map<Gmm, List<Double>> distance,
         Map<Gmm, List<Double>> means,
-        Map<Gmm, List<Double>> sigmas){
-      this.distance = distance;    
+        Map<Gmm, List<Double>> sigmas) {
+      this.distance = distance;
       this.means = means;
       this.sigmas = sigmas;
     }
   }
-  //------------------------------ End Class: DistanceResult ------------------------------
 
-  
-  
 }
-//-------------------------------- End Class: GroundMotions -------------------------------