org.geotools.referencing.CRS.getMapProjection()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
字(8.6k)|赞(0)|评价(0)|浏览(127)

本文整理了Java中org.geotools.referencing.CRS.getMapProjection()方法的一些代码示例，展示了CRS.getMapProjection()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。CRS.getMapProjection()方法的具体详情如下：
包路径：org.geotools.referencing.CRS
类名称：CRS
方法名：getMapProjection

CRS.getMapProjection介绍

[英]Returns the MapProjection driving the specified crs, or null if none could be found.
[中]返回驱动指定CR的MapProjection，如果找不到，则返回null。

代码示例

代码示例来源：origin: geotools/geotools

  1. public ProjectionHandler getHandler(
  2.       ReferencedEnvelope renderingEnvelope,
  3.       CoordinateReferenceSystem sourceCrs,
  4.       boolean wrap,
  5.       int maxWraps)
  6.       throws FactoryException {
  7.     if (renderingEnvelope == null) {
  8.       return null;
  9.     }
  10.     MapProjection mapProjection =
  11.         CRS.getMapProjection(renderingEnvelope.getCoordinateReferenceSystem());
  12.     if (mapProjection instanceof WorldVanDerGrintenI) {
  13.       ReferencedEnvelope validArea =
  14.           new ReferencedEnvelope(
  15.               -Integer.MAX_VALUE,
  16.               Integer.MAX_VALUE,
  17.               -90,
  18.               90,
  19.               DefaultGeographicCRS.WGS84);
  21.       return new ProjectionHandler(sourceCrs, validArea, renderingEnvelope);
  22.     }
  24.     return null;
  25.   }
  26. }

代码示例来源：origin: geotools/geotools

  1. public void testGetMapProjection() throws Exception {
  2.   CoordinateReferenceSystem utm32OnLonLat = CRS.decode("EPSG:23032", true);
  3.   assertTrue(CRS.getMapProjection(utm32OnLonLat) instanceof TransverseMercator);
  4.   CoordinateReferenceSystem utm32OnLatLon = CRS.decode("EPSG:23032", false);
  5.   assertTrue(CRS.getMapProjection(utm32OnLatLon) instanceof TransverseMercator);
  6.   CoordinateReferenceSystem nad27Tennessee = CRS.decode("EPSG:2062", false);
  7.   assertTrue(CRS.getMapProjection(nad27Tennessee) instanceof LambertConformal1SP);
  8. }

代码示例来源：origin: geotools/geotools

  1. @Test
  2. public void testSpheroidalWKTParameters() {
  3.   ParameterValueGroup parameters =
  4.       CRS.getMapProjection(sphericalGeosCRS).getParameterValues();
  5.   double satelliteHeight = parameters.parameter("satellite_height").doubleValue();
  6.   assertThat(satelliteHeight, is(35832548.5));
  7. }

代码示例来源：origin: geotools/geotools

  1. @Test
  2. public void testEllipsoidalWKTParameters() {
  3.   ParameterValueGroup parameters =
  4.       CRS.getMapProjection(ellipsoidalGeosCRS).getParameterValues();
  5.   double satelliteHeight = parameters.parameter("satellite_height").doubleValue();
  6.   assertThat(satelliteHeight, is(35785831.0));
  7. }

代码示例来源：origin: geotools/geotools

  1. @Test
  2. public void testPolarStereographic() throws Exception {
  3.   ReferencedEnvelope envelope =
  4.       new ReferencedEnvelope(
  5.           -10700000, 14700000, -10700000, 14700000, CRS.decode("EPSG:5041", true));
  6.   ProjectionHandler handler = ProjectionHandlerFinder.getHandler(envelope, WGS84, true);
  7.   assertNotNull(handler);
  8.   assertEquals(envelope, handler.getRenderingEnvelope());
  9.   assertTrue(
  10.       CRS.getMapProjection(envelope.getCoordinateReferenceSystem())
  11.           instanceof PolarStereographic);
  12. }

代码示例来源：origin: geotools/geotools

  1. CRS.getMapProjection(renderingEnvelope.getCoordinateReferenceSystem());
  2. if (mapProjection instanceof LambertAzimuthalEqualArea) {
  3.   ParameterValueGroup params = mapProjection.getParameterValues();

代码示例来源：origin: geotools/geotools

  1. private static GeneralDirectPosition getProjectionCenterLonLat(
  2.     CoordinateReferenceSystem crs, GeneralDirectPosition centerPt) {
  3.   // set defaults
  4.   centerPt.setOrdinate(0, 0);
  5.   centerPt.setOrdinate(1, 0);
  6.   MapProjection projection = getMapProjection(crs);
  7.   if (projection == null) {
  8.     return centerPt;
  9.   }
  10.   for (GeneralParameterValue gpv : projection.getParameterValues().values()) {
  11.     // for safety
  12.     if (!(gpv instanceof ParameterValue)) {
  13.       continue;
  14.     }
  15.     ParameterValue pv = (ParameterValue) gpv;
  16.     ReferenceIdentifier pvName = pv.getDescriptor().getName();
  17.     if (MapProjection.AbstractProvider.LATITUDE_OF_ORIGIN.getName().equals(pvName)) {
  18.       centerPt.setOrdinate(1, pv.doubleValue());
  19.     } else if (MapProjection.AbstractProvider.LATITUDE_OF_CENTRE.getName().equals(pvName)) {
  20.       centerPt.setOrdinate(1, pv.doubleValue());
  21.     } else if (MapProjection.AbstractProvider.LONGITUDE_OF_CENTRE
  22.         .getName()
  23.         .equals(pvName)) {
  24.       centerPt.setOrdinate(0, pv.doubleValue());
  25.     } else if (MapProjection.AbstractProvider.CENTRAL_MERIDIAN.getName().equals(pvName)) {
  26.       centerPt.setOrdinate(0, pv.doubleValue());
  27.     }
  28.   }
  29.   return centerPt;
  30. }

代码示例来源：origin: geotools/geotools

  1. throws FactoryException {
  2. MapProjection mapProjection =
  3.     CRS.getMapProjection(renderingEnvelope.getCoordinateReferenceSystem());
  4. if (renderingEnvelope != null && mapProjection instanceof TransverseMercator) {
  5.   double centralMeridian =

代码示例来源：origin: geotools/geotools

  1. throws FactoryException {
  2. MapProjection mapProjection =
  3.     CRS.getMapProjection(renderingEnvelope.getCoordinateReferenceSystem());
  4. if (renderingEnvelope != null && mapProjection instanceof PolarStereographic) {
  5.   final boolean north;

代码示例来源：origin: geotools/geotools

  1. throws FactoryException {
  2. MapProjection mapProjection =
  3.     CRS.getMapProjection(renderingEnvelope.getCoordinateReferenceSystem());
  4. if (renderingEnvelope != null && mapProjection instanceof Mercator) {
  5.   ProjectionHandler handler;

代码示例来源：origin: geotools/geotools

  1. /** Circumscribed rectangle (smallest) for full disk earth image */
  2. public static Envelope2D circumscribeFullDisk(CoordinateReferenceSystem geosCRS)
  3.     throws TransformException, FactoryException {
  4.   if (!isGeostationaryCRS(geosCRS)) {
  5.     return null;
  6.   }
  7.   MathTransform mt =
  8.       CRS.findMathTransform(geosCRS, CRS.getProjectedCRS(geosCRS).getBaseCRS(), true);
  9.   MathTransform imt = mt.inverse();
  10.   ParameterValueGroup parameters = CRS.getMapProjection(geosCRS).getParameterValues();
  11.   double semiMajorAxis = parameters.parameter("semi_major").doubleValue();
  12.   double satelliteHeight = parameters.parameter("satellite_height").doubleValue();
  13.   double centralMeridian = parameters.parameter("central_meridian").doubleValue();
  14.   DirectPosition2D dp2d = new DirectPosition2D();
  15.   double halfFoVRadians = Math.acos(semiMajorAxis / (satelliteHeight + semiMajorAxis));
  16.   double halfFoVDegrees = Math.toDegrees(halfFoVRadians);
  17.   dp2d.setLocation(centralMeridian - halfFoVDegrees, 0.);
  18.   imt.transform(dp2d, dp2d);
  19.   double xMin = dp2d.getX();
  20.   dp2d.setLocation(centralMeridian + halfFoVDegrees, 0.);
  21.   imt.transform(dp2d, dp2d);
  22.   double xMax = dp2d.getX();
  23.   dp2d.setLocation(centralMeridian, -halfFoVDegrees);
  24.   imt.transform(dp2d, dp2d);
  25.   double yMin = dp2d.getY();
  26.   dp2d.setLocation(centralMeridian, halfFoVDegrees);
  27.   imt.transform(dp2d, dp2d);
  28.   double yMax = dp2d.getY();
  29.   return new Envelope2D(geosCRS, xMin, yMin, xMax - xMin, yMax - yMin);
  30. }

代码示例来源：origin: geotools/geotools

  1. CRS.getMapProjection(renderingEnvelope.getCoordinateReferenceSystem());
  2. if (mapProjection instanceof LambertConformal
  3.     || mapProjection instanceof EquidistantConic) {

代码示例来源：origin: org.geotools/gt-render

  1. public ProjectionHandler getHandler(ReferencedEnvelope renderingEnvelope, boolean wrap, int maxWraps) {
  2.   MapProjection mapProjection = CRS.getMapProjection(renderingEnvelope
  3.       .getCoordinateReferenceSystem());
  4.   if (renderingEnvelope != null && mapProjection instanceof TransverseMercator) {
  5.     double centralMeridian = mapProjection.getParameterValues().parameter(
  6.         AbstractProvider.CENTRAL_MERIDIAN.getName().getCode()).doubleValue();
  7.     ReferencedEnvelope validArea = new ReferencedEnvelope(centralMeridian - 45,
  8.         centralMeridian + 45, -90, 90, DefaultGeographicCRS.WGS84);
  9.     return new ProjectionHandler(renderingEnvelope, validArea);
  10.   }
  11.   return null;
  12. }

代码示例来源：origin: org.geoserver/gs-wcs2_0

  1. MapProjection mapProjection = CRS.getMapProjection(crs);
  2. if (crs instanceof GeographicCRS || mapProjection instanceof Mercator) {
  3.   double offset;

代码示例来源：origin: geotools/geotools

  1. MapProjection sourceProjection = CRS.getMapProjection(sourceCRS);
  2. if (sourceProjection instanceof PolarStereographic
  3.     || (sourceProjection instanceof LambertAzimuthalEqualArea)) {
  4. MapProjection targetProjection = CRS.getMapProjection(targetCRS);
  5. if (targetProjection instanceof PolarStereographic && sourceCRS instanceof GeographicCRS) {
  6.   final CoordinateSystem sourceCS = sourceCRS.getCoordinateSystem();

代码示例来源：origin: org.geotools/gt-render

  1. public ProjectionHandler getHandler(ReferencedEnvelope renderingEnvelope, boolean wrap, int maxWraps) {
  2.   MapProjection mapProjection = CRS.getMapProjection(renderingEnvelope
  3.       .getCoordinateReferenceSystem());
  4.   if (renderingEnvelope != null && mapProjection instanceof Mercator) {
  5.     if(wrap && maxWraps > 0) {
  6.       double centralMeridian = mapProjection.getParameterValues().parameter(
  7.           AbstractProvider.CENTRAL_MERIDIAN.getName().getCode()).doubleValue();
  8.       return new WrappingProjectionHandler(renderingEnvelope, VALID_AREA, centralMeridian, maxWraps);
  9.     } else {
  10.       return new ProjectionHandler(renderingEnvelope, VALID_AREA);
  11.     }
  12.   }
  13.   return null;
  14. }

代码示例来源：origin: org.geotools/gt-render

  1. public ProjectionHandler getHandler(ReferencedEnvelope renderingEnvelope, boolean wrap, int maxWraps) {
  2.   MapProjection mapProjection = CRS.getMapProjection(renderingEnvelope
  3.       .getCoordinateReferenceSystem());
  4.   if (renderingEnvelope != null && mapProjection instanceof PolarStereographic) {

代码示例来源：origin: bcdev/beam

  1. };
  2. final CoordinateReferenceSystem crs = EnviCrsFactory.createCrs(9, parameter, EnviConstants.DATUM_NAME_WGS84, "Meters");
  3. final ParameterValueGroup parameterValues = CRS.getMapProjection(crs).getParameterValues();
  4. final List<GeneralParameterValue> valueList = parameterValues.values();
  5. double[] actualValues = new double[8];

内容来源于网络，如有侵权，请联系作者删除！

CRS

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com