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comparison artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/BedHeightsFinder.java @ 8955:798d9dcbccdd

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BedHeightValue (bed_height_values) extended by two columns for minimum and maximum bed height
author mschaefer
date Mon, 19 Mar 2018 16:32:42 +0100
parents 5d5d482da3e9
children 45f1ad66560e
comparison
equal deleted inserted replaced
8954:183f42641ab6 8955:798d9dcbccdd
34 public final class BedHeightsFinder { 34 public final class BedHeightsFinder {
35 35
36 private final BedHeightInfo info; 36 private final BedHeightInfo info;
37 37
38 private final NavigableMap<Double, BedHeightValue> values; 38 private final NavigableMap<Double, BedHeightValue> values;
39
40 private double meanBedHeight;
41
42 private double minBedHeight;
43
44 private double maxBedHeight;
39 45
40 /** 46 /**
41 * Create bed height finders from a collection of bed heights. 47 * Create bed height finders from a collection of bed heights.
42 */ 48 */
43 public static Collection<BedHeightsFinder> createTkhBedHeights(final DoubleRange range, final Collection<BedHeight> bedHeights) { 49 public static Collection<BedHeightsFinder> createTkhBedHeights(final DoubleRange range, final Collection<BedHeight> bedHeights) {
137 public Collection<Double> getStations() { 143 public Collection<Double> getStations() {
138 return this.values.keySet(); 144 return this.values.keySet();
139 } 145 }
140 146
141 public double getMeanBedHeight(final double km) { 147 public double getMeanBedHeight(final double km) {
148 getBedHeights(km);
149 return this.meanBedHeight;
150 }
142 151
143 if (this.values.containsKey(km)) 152 public double getMinBedHeight(final double km) {
144 return this.values.get(km).getHeight(); 153 getBedHeights(km);
154 return this.minBedHeight;
155 }
156
157 public double getMaxBedHeight(final double km) {
158 getBedHeights(km);
159 return this.maxBedHeight;
160 }
161
162 private boolean getBedHeights(final double km) {
163 if (this.values.containsKey(km)) {
164 this.meanBedHeight = (this.values.get(km).getHeight() != null) ? this.values.get(km).getHeight().doubleValue() : Double.NaN;
165 this.minBedHeight = (this.values.get(km).getMinHeight() != null) ? this.values.get(km).getMinHeight().doubleValue() : Double.NaN;
166 this.maxBedHeight = (this.values.get(km).getMaxHeight() != null) ? this.values.get(km).getMaxHeight().doubleValue() : Double.NaN;
167 return true;
168 }
145 169
146 final Entry<Double, BedHeightValue> floorEntry = this.values.floorEntry(km); 170 final Entry<Double, BedHeightValue> floorEntry = this.values.floorEntry(km);
147 final Entry<Double, BedHeightValue> ceilingEntry = this.values.ceilingEntry(km); 171 final Entry<Double, BedHeightValue> ceilingEntry = this.values.ceilingEntry(km);
148 172
149 if (floorEntry == null || ceilingEntry == null) 173 if (floorEntry == null || ceilingEntry == null) {
150 return Double.NaN; 174 this.meanBedHeight = Double.NaN;
175 this.minBedHeight = Double.NaN;
176 this.maxBedHeight = Double.NaN;
177 return false;
178 }
151 179
152 final double floorKm = floorEntry.getKey(); 180 final double floorKm = floorEntry.getKey().doubleValue();
153 final double floorHeight = floorEntry.getValue().getHeight(); 181 final double ceilKm = ceilingEntry.getKey().doubleValue();
154 final double ceilKm = ceilingEntry.getKey();
155 final double ceilHeight = ceilingEntry.getValue().getHeight();
156 182
157 // FIXME: check if we always want that... 183 // FIXME: check if we always want that...
158 184
159 return Linear.linear(km, floorKm, ceilKm, floorHeight, ceilHeight); 185 this.meanBedHeight = interpolate(km, floorKm, ceilKm, floorEntry.getValue().getHeight(), ceilingEntry.getValue().getHeight());
186 this.minBedHeight = interpolate(km, floorKm, ceilKm, floorEntry.getValue().getMinHeight(), ceilingEntry.getValue().getMinHeight());
187 this.maxBedHeight = interpolate(km, floorKm, ceilKm, floorEntry.getValue().getMaxHeight(), ceilingEntry.getValue().getMaxHeight());
188 return true;
189 }
190
191 private double interpolate(final double km, final double floorKm, final double ceilKm, final Double floorHeight, final Double ceilHeight) {
192 if ((floorHeight != null) && (ceilHeight != null))
193 return Linear.linear(km, floorKm, ceilKm, floorHeight, ceilHeight);
194 else
195 return Double.NaN;
160 } 196 }
161 } 197 }
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