Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/LinearFunction.java @ 431:422275fc9927
Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
gnv-artifacts/trunk@479 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 23 Dec 2009 06:53:46 +0000 |
parents | 25e4724aa504 |
children | 828df3ddb758 |
rev | line source |
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25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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1 package de.intevation.gnv.math; |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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2 |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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3 import org.apache.commons.math.optimization.fitting.ParametricRealFunction; |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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4 |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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5 import org.apache.commons.math.FunctionEvaluationException; |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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6 |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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7 /** |
25e4724aa504
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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8 * @author Sascha L. Teichmann |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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9 */ |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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10 public class LinearFunction |
25e4724aa504
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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11 implements ParametricRealFunction |
25e4724aa504
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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12 { |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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13 public static final LinearFunction INSTANCE = new LinearFunction(); |
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Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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14 |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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15 public LinearFunction() { |
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16 } |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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17 |
25e4724aa504
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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18 public double value(double x, double [] parameters) |
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19 throws FunctionEvaluationException |
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20 { |
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21 return x*parameters[0] + parameters[1]; |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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22 } |
25e4724aa504
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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23 |
25e4724aa504
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24 public double [] gradient(double x, double [] parameters) |
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25 throws FunctionEvaluationException |
25e4724aa504
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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26 { |
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27 return new double [] { x, 1f }; |
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28 } |
25e4724aa504
Fill (i, j)-gaps when building index buffer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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29 } |
25e4724aa504
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30 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: |