Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 4577:1c6c2ddac3d6
Work on dynamic color classes for floodmap (work in progress, not yet functional).
| author | Christian Lins <christian.lins@intevation.de> |
|---|---|
| date | Tue, 27 Nov 2012 15:51:28 +0100 |
| parents | b87073a05f9d |
| children | 11545c3b9111 |
comparison
equal
deleted
inserted
replaced
| 4574:32a4651eef93 | 4577:1c6c2ddac3d6 |
|---|---|
| 114 public final static String XPATH_SHOW_MAXIMUM = | 114 public final static String XPATH_SHOW_MAXIMUM = |
| 115 "/theme/field[@name='showmaximum']/@default"; | 115 "/theme/field[@name='showmaximum']/@default"; |
| 116 | 116 |
| 117 public final static String XPATH_WSPLGEN_FIELDS = | 117 public final static String XPATH_WSPLGEN_FIELDS = |
| 118 "/theme[@name='WSPLGEN']/field"; | 118 "/theme[@name='WSPLGEN']/field"; |
| 119 | |
| 120 public final static String XPATH_WSPLGEN_STARTCOLOR = | |
| 121 "/theme/field[@name='startcolor'/@default"; | |
| 122 | |
| 123 public final static String XPATH_WSPLGEN_ENDCOLOR = | |
| 124 "/theme/field[@name='endcolor'/@default"; | |
| 125 | |
| 126 public final static String XPATH_WSPLGEN_NUMCLASSES = | |
| 127 "/theme/field[@name='numclasses'/@default"; | |
| 119 | 128 |
| 120 /** XPATH to bandwidth field. */ | 129 /** XPATH to bandwidth field. */ |
| 121 public final static String XPATH_BANDWIDTH = | 130 public final static String XPATH_BANDWIDTH = |
| 122 "/theme/field[@name='bandwidth']/@default"; | 131 "/theme/field[@name='bandwidth']/@default"; |
| 123 | 132 |
| 617 return parseBoolean(getShowMaximum(theme), false); | 626 return parseBoolean(getShowMaximum(theme), false); |
| 618 } | 627 } |
| 619 | 628 |
| 620 | 629 |
| 621 public static String createWSPLGENStyle(Document theme) { | 630 public static String createWSPLGENStyle(Document theme) { |
| 631 MapserverStyle ms = new MapserverStyle(); | |
| 632 | |
| 633 Color startColor = parseColor( | |
| 634 XMLUtils.xpathString(theme, XPATH_WSPLGEN_STARTCOLOR, null)); | |
| 635 Color endColor = parseColor( | |
| 636 XMLUtils.xpathString(theme, XPATH_WSPLGEN_ENDCOLOR, null)); | |
| 637 int numClasses = Integer.parseInt( | |
| 638 XMLUtils.xpathString(theme, XPATH_WSPLGEN_NUMCLASSES, null)); | |
| 639 | |
| 640 if (numClasses < 5) { | |
| 641 numClasses = 5; | |
| 642 } | |
| 643 else if (numClasses > 20) { | |
| 644 numClasses = 20; | |
| 645 } | |
| 646 | |
| 647 int rd = (startColor.getRed() - endColor.getRed()) / numClasses; | |
| 648 int gd = (startColor.getGreen() - endColor.getGreen()) / numClasses; | |
| 649 int bd = (startColor.getBlue() - endColor.getBlue()) / numClasses; | |
| 650 | |
| 651 for (int n = 0; n < numClasses; n++) { | |
| 652 StringBuilder newColor = new StringBuilder(); | |
| 653 newColor.append(startColor.getRed() + n * rd); | |
| 654 newColor.append(' '); | |
| 655 newColor.append(startColor.getGreen() + n * gd); | |
| 656 newColor.append(' '); | |
| 657 newColor.append(startColor.getBlue() + n * bd); | |
| 658 | |
| 659 Clazz c = new Clazz("Klasse " + n + " (FIXME)"); | |
| 660 Style s = new Style(); | |
| 661 s.setColor(newColor.toString()); | |
| 662 s.setSize(5); | |
| 663 | |
| 664 c.addItem(new Expression("Klasse " + n)); | |
| 665 c.addItem(s); | |
| 666 | |
| 667 ms.addClazz(c); | |
| 668 } | |
| 669 | |
| 622 NodeList categories = (NodeList) XMLUtils.xpath( | 670 NodeList categories = (NodeList) XMLUtils.xpath( |
| 623 theme, | 671 theme, |
| 624 XPATH_WSPLGEN_FIELDS, | 672 XPATH_WSPLGEN_FIELDS, |
| 625 XPathConstants.NODESET); | 673 XPathConstants.NODESET); |
| 626 | 674 |