mirror of
https://github.com/meteoinfo/MeteoInfo.git
synced 2025-12-08 20:36:05 +00:00
update graphic projection functions
This commit is contained in:
wyq
parent
5426cf353e
commit
913c9696bb
@ -1213,4 +1213,54 @@ public class MIMath {
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r[1] += y;
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return r;
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}
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/**
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* Get wind direction and wind speed from U/V
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*
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* @param u U component
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* @param v V component
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* @return Wind direction and wind speed
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*/
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public static double[] uv2ds(double u, double v) {
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double ws = Math.sqrt(u * u + v * v);
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double wd;
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if (ws == 0) {
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wd = 0;
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} else {
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wd = Math.asin(u / ws) * 180 / Math.PI;
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if (u <= 0 && v < 0) {
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wd = 180.0 - wd;
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} else if (u > 0 && v < 0) {
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wd = 180.0 - wd;
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} else if (u < 0 && v > 0) {
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wd = 360.0 + wd;
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}
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wd += 180;
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if (wd >= 360) {
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wd -= 360;
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}
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}
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return new double[]{wd, ws};
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}
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/**
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* Get wind U/V components from wind direction and speed
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*
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* @param windDir Wind direction
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* @param windSpeed Wind speed
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* @return Wind U/V components
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*/
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public static double[] ds2uv(double windDir, double windSpeed) {
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double dir;
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dir = windDir + 180;
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if (dir > 360) {
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dir = dir - 360;
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}
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dir = dir * Math.PI / 180;
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double u = windSpeed * Math.sin(dir);
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double v = windSpeed * Math.cos(dir);
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return new double[]{u, v};
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}
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}
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@ -13,9 +13,7 @@
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*/
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package org.meteoinfo.geometry.geoprocess;
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import org.meteoinfo.common.Extent;
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import org.meteoinfo.common.MIMath;
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import org.meteoinfo.common.PointD;
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import org.meteoinfo.common.*;
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import org.meteoinfo.geometry.shape.*;
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//import org.meteoinfo.map.GridLabel;
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//import org.meteoinfo.math.meteo.MeteoMath;
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@ -860,6 +858,245 @@ public class GeoComputation {
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// return newLayer;
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// }
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/**
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* Get grid labels of a polyline
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*
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* @param inPolyLine Polyline
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* @param clipExtent Clipping object
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* @param isVertical If is vertical
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* @return Clip points
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*/
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public static List<GridLabel> getGridLabels(Polyline inPolyLine, Extent clipExtent, boolean isVertical) {
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List<GridLabel> gridLabels = new ArrayList<>();
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List<PointD> aPList = (List<PointD>) inPolyLine.getPointList();
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if (!isExtentCross(inPolyLine.getExtent(), clipExtent)) {
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return gridLabels;
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}
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int i, j;
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//Judge if all points of the polyline are in the cut polygon - outline
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List<List<PointD>> newLines = new ArrayList<>();
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PointD p1, p2;
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boolean isReversed = false;
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if (pointInClipObj(clipExtent, aPList.get(0))) {
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boolean isAllIn = true;
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int notInIdx = 0;
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for (i = 0; i < aPList.size(); i++) {
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if (!pointInClipObj(clipExtent, aPList.get(i))) {
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notInIdx = i;
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isAllIn = false;
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break;
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}
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}
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if (!isAllIn) //Put start point outside of the cut polygon
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{
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if (inPolyLine.isClosed()) {
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List<PointD> bPList = new ArrayList<>();
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bPList.addAll(aPList.subList(notInIdx, aPList.size() - 1));
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bPList.addAll(aPList.subList(1, notInIdx));
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bPList.add(bPList.get(0));
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newLines.add(bPList);
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} else {
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Collections.reverse(aPList);
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newLines.add(aPList);
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isReversed = true;
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}
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} else { //the input polygon is inside the cut polygon
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p1 = aPList.get(0);
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if (aPList.size() == 2)
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p2 = aPList.get(1);
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else
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p2 = aPList.get(2);
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GridLabel aGL = new GridLabel();
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aGL.setLongitude(isVertical);
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aGL.setBorder(false);
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aGL.setCoord(p1);
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if (isVertical) {
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aGL.setLabDirection(Direction.South);
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} else {
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aGL.setLabDirection(Direction.Weast);
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}
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aGL.setAnge((float) MIMath.uv2ds(p2.X - p1.X, p2.Y - p1.Y)[0]);
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gridLabels.add(aGL);
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p1 = aPList.get(aPList.size() - 1);
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if (aPList.size() == 2)
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p2 = aPList.get(aPList.size() - 2);
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else
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p2 = aPList.get(aPList.size() - 3);
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aGL = new GridLabel();
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aGL.setLongitude(isVertical);
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aGL.setBorder(false);
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aGL.setCoord(p1);
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if (isVertical) {
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aGL.setLabDirection(Direction.North);
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} else {
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aGL.setLabDirection(Direction.East);
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}
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aGL.setAnge((float) MIMath.uv2ds(p2.X - p1.X, p2.Y - p1.Y)[0]);
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gridLabels.add(aGL);
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return gridLabels;
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}
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} else {
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newLines.add(aPList);
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}
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//Prepare border point list
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List<BorderPoint> borderList = new ArrayList<>();
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BorderPoint aBP;
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List<PointD> clipPList = getClipPointList(clipExtent);
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for (PointD aP : clipPList) {
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aBP = new BorderPoint();
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aBP.Point = aP;
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aBP.Id = -1;
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borderList.add(aBP);
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}
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//Cutting
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for (int l = 0; l < newLines.size(); l++) {
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aPList = newLines.get(l);
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boolean isInPolygon = pointInClipObj(clipExtent, aPList.get(0));
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PointD q1, q2, IPoint = new PointD();
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Line lineA, lineB;
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List<PointD> newPlist = new ArrayList<>();
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//Polyline bLine = new Polyline();
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p1 = aPList.get(0);
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int inIdx = -1, outIdx = -1;
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//bool newLine = true;
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int a1 = 0;
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for (i = 1; i < aPList.size(); i++) {
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p2 = aPList.get(i);
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if (pointInClipObj(clipExtent, p2)) {
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if (!isInPolygon) {
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lineA = new Line();
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lineA.P1 = p1;
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lineA.P2 = p2;
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q1 = borderList.get(0).Point;
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for (j = 1; j < borderList.size(); j++) {
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q2 = borderList.get(j).Point;
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lineB = new Line();
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lineB.P1 = q1;
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lineB.P2 = q2;
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if (isLineSegmentCross(lineA, lineB)) {
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IPoint = getCrossPoint(lineA, lineB);
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inIdx = j;
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break;
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}
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q1 = q2;
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}
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GridLabel aGL = new GridLabel();
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aGL.setLongitude(isVertical);
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aGL.setBorder(true);
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aGL.setCoord(IPoint);
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if (MIMath.doubleEquals(q1.X, borderList.get(j).Point.X)) {
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if (MIMath.doubleEquals(q1.X, clipExtent.minX)) {
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aGL.setLabDirection(Direction.Weast);
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} else {
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aGL.setLabDirection(Direction.East);
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}
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} else {
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if (MIMath.doubleEquals(q1.Y, clipExtent.minY)) {
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aGL.setLabDirection(Direction.South);
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} else {
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aGL.setLabDirection(Direction.North);
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}
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}
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if (isVertical) {
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if (aGL.getLabDirection() == Direction.South || aGL.getLabDirection() == Direction.North) {
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gridLabels.add(aGL);
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}
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} else {
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if (aGL.getLabDirection() == Direction.East || aGL.getLabDirection() == Direction.Weast) {
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gridLabels.add(aGL);
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}
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}
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}
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newPlist.add(aPList.get(i));
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isInPolygon = true;
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} else {
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if (isInPolygon) {
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lineA = new Line();
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lineA.P1 = p1;
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lineA.P2 = p2;
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q1 = borderList.get(0).Point;
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for (j = 1; j < borderList.size(); j++) {
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q2 = borderList.get(j).Point;
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lineB = new Line();
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lineB.P1 = q1;
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lineB.P2 = q2;
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if (isLineSegmentCross(lineA, lineB)) {
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IPoint = getCrossPoint(lineA, lineB);
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outIdx = j;
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a1 = inIdx;
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break;
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}
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q1 = q2;
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}
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GridLabel aGL = new GridLabel();
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aGL.setBorder(true);
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aGL.setLongitude(isVertical);
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aGL.setCoord(IPoint);
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if (MIMath.doubleEquals(q1.X, borderList.get(j).Point.X)) {
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if (MIMath.doubleEquals(q1.X, clipExtent.minX)) {
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aGL.setLabDirection(Direction.Weast);
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} else {
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aGL.setLabDirection(Direction.East);
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}
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} else {
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if (MIMath.doubleEquals(q1.Y, clipExtent.minY)) {
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aGL.setLabDirection(Direction.South);
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} else {
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aGL.setLabDirection(Direction.North);
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}
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}
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if (isVertical) {
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if (aGL.getLabDirection() == Direction.South || aGL.getLabDirection() == Direction.North) {
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gridLabels.add(aGL);
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}
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} else {
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if (aGL.getLabDirection() == Direction.East || aGL.getLabDirection() == Direction.Weast) {
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gridLabels.add(aGL);
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}
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}
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isInPolygon = false;
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newPlist = new ArrayList<>();
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}
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}
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p1 = p2;
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}
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if (isInPolygon && newPlist.size() > 1) {
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GridLabel aGL = new GridLabel();
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aGL.setLongitude(isVertical);
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aGL.setBorder(false);
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aGL.setCoord(newPlist.get(newPlist.size() - 1));
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if (isVertical) {
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if (isReversed) {
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aGL.setLabDirection(Direction.South);
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} else {
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aGL.setLabDirection(Direction.North);
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}
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} else {
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if (isReversed) {
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aGL.setLabDirection(Direction.Weast);
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} else {
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aGL.setLabDirection(Direction.East);
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}
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}
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gridLabels.add(aGL);
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}
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}
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return gridLabels;
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}
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/**
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* Clip a shape
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*
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@ -1,10 +1,6 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<MeteoInfo File="milconfig.xml" Type="configurefile">
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<Path OpenPath="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume">
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\meteo"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\meteo\wrf"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\chart"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\scatter"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\arrow"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\wind"/>
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@ -15,18 +11,28 @@
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d_earth"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\geoshow"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\chart"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\map"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\map\projection"/>
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<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume"/>
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</Path>
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<File>
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<OpenedFiles>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_2.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_4.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\geoshow\typhoon_map_volume.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\geoshow\geoshow_proj.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\plot_cuace_3d_volume_opacity.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_sagittal_specular.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\map\projection\lcc_proj_image.py"/>
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<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_1.py"/>
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</OpenedFiles>
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<RecentFiles>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_2.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_4.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\geoshow\typhoon_map_volume.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\geoshow\geoshow_proj.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\plot_cuace_3d_volume_opacity.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_sagittal_specular.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\map\projection\lcc_proj_image.py"/>
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<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\volume\volumeplot_1.py"/>
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</RecentFiles>
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</File>
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<Font>
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@ -34,5 +40,5 @@
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</Font>
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<LookFeel DockWindowDecorated="true" LafDecorated="true" Name="FlatDarkLaf"/>
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<Figure DoubleBuffering="true"/>
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<Startup MainFormLocation="-7,-7" MainFormSize="1293,685"/>
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<Startup MainFormLocation="-7,0" MainFormSize="1344,758"/>
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</MeteoInfo>
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@ -26,6 +26,8 @@ import org.meteoinfo.ndarray.math.ArrayUtil;
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import java.nio.DoubleBuffer;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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*
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@ -547,10 +549,12 @@ public class ProjectionUtil {
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Reproject.reprojectPoints(points, fromProj, toProj, 0, points.length);
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if (!Double.isNaN(points[0][0]) || !Double.isInfinite(points[0][0]) ||
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!Double.isNaN(points[0][1]) || !Double.isInfinite(points[0][1])) {
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//wPoint = new PointZ();
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wPoint.X = points[0][0];
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wPoint.Y = points[0][1];
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newPoints.add(wPoint);
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PointZ nPoint = new PointZ();
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nPoint.X = points[0][0];
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nPoint.Y = points[0][1];
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nPoint.M = wPoint.M;
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nPoint.Z = wPoint.Z;
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newPoints.add(nPoint);
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}
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} catch (Exception e) {
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break;
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@ -638,7 +642,132 @@ public class ProjectionUtil {
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}
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/**
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* Project polygon shape - clip the polygon is necessary
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* Project point shape - clip the point shape when necessary
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*
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* @param pointShape A point shape
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* @param fromProj From projection
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* @param toProj To projection
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* @return Projected point shape
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*/
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public static PointShape projectClipPointShape(PointShape pointShape, ProjectionInfo fromProj, ProjectionInfo toProj) {
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double refLon = toProj.getCoordinateReferenceSystem().getProjection().getProjectionLongitudeDegrees();
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refLon += 180;
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if (refLon > 180) {
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refLon = refLon - 360;
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} else if (refLon < -180) {
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refLon = refLon + 360;
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}
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float cutoff = toProj.getCutoff();
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if (fromProj.getProjectionName() == ProjectionNames.LongLat) {
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switch (toProj.getProjectionName()) {
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case Lambert_Conformal_Conic:
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if (pointShape.getPoint().Y < cutoff) {
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return null;
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}
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break;
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case North_Polar_Stereographic_Azimuthal:
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if (pointShape.getPoint().Y < cutoff) {
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return null;
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}
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break;
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case South_Polar_Stereographic_Azimuthal:
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if (pointShape.getPoint().Y > cutoff) {
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||||
return null;
|
||||
}
|
||||
break;
|
||||
case Mercator:
|
||||
if (pointShape.getPoint().Y > cutoff || pointShape.getPoint().Y < -cutoff) {
|
||||
return null;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
pointShape = ProjectionUtil.projectPointShape(pointShape, fromProj, toProj);
|
||||
|
||||
return pointShape;
|
||||
}
|
||||
|
||||
/**
|
||||
* Project polyline shape - clip the polyline shape when necessary
|
||||
*
|
||||
* @param lineShape A polyline shape
|
||||
* @param fromProj From projection
|
||||
* @param toProj To projection
|
||||
* @return Projected polyline shape
|
||||
*/
|
||||
public static List<PolylineShape> projectClipPolylineShape(PolylineShape lineShape, ProjectionInfo fromProj, ProjectionInfo toProj) {
|
||||
double refLon = toProj.getCoordinateReferenceSystem().getProjection().getProjectionLongitudeDegrees();
|
||||
refLon += 180;
|
||||
if (refLon > 180) {
|
||||
refLon = refLon - 360;
|
||||
} else if (refLon < -180) {
|
||||
refLon = refLon + 360;
|
||||
}
|
||||
float cutoff = toProj.getCutoff();
|
||||
|
||||
List<PolylineShape> lineShapes = new ArrayList<>();
|
||||
if (fromProj.getProjectionName() == ProjectionNames.LongLat) {
|
||||
switch (toProj.getProjectionName()) {
|
||||
case Lambert_Conformal_Conic:
|
||||
if (lineShape.getExtent().minY < cutoff) {
|
||||
lineShape = GeoComputation.clipPolylineShape_Lat(lineShape, cutoff, true);
|
||||
}
|
||||
break;
|
||||
case North_Polar_Stereographic_Azimuthal:
|
||||
if (lineShape.getExtent().minY < cutoff) {
|
||||
lineShape = GeoComputation.clipPolylineShape_Lat(lineShape, cutoff, true);
|
||||
}
|
||||
break;
|
||||
case South_Polar_Stereographic_Azimuthal:
|
||||
if (lineShape.getExtent().maxY > cutoff) {
|
||||
lineShape = GeoComputation.clipPolylineShape_Lat(lineShape, cutoff, false);
|
||||
}
|
||||
break;
|
||||
case Mercator:
|
||||
if (lineShape.getExtent().maxY > cutoff) {
|
||||
lineShape = GeoComputation.clipPolylineShape_Lat(lineShape, cutoff, false);
|
||||
}
|
||||
if (lineShape.getExtent().minY < -cutoff) {
|
||||
lineShape = GeoComputation.clipPolylineShape_Lat(lineShape, -cutoff, true);
|
||||
}
|
||||
break;
|
||||
}
|
||||
if (lineShape == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
if (lineShape.getExtent().minX <= refLon && lineShape.getExtent().maxX >= refLon) {
|
||||
switch (toProj.getProjectionName()) {
|
||||
case North_Polar_Stereographic_Azimuthal:
|
||||
case South_Polar_Stereographic_Azimuthal:
|
||||
lineShapes.add(lineShape);
|
||||
break;
|
||||
default:
|
||||
lineShapes.add(GeoComputation.clipPolylineShape_Lon(lineShape, refLon));
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
lineShapes.add(lineShape);
|
||||
}
|
||||
} else {
|
||||
lineShapes.add(lineShape);
|
||||
}
|
||||
|
||||
List<PolylineShape> newPolylines = new ArrayList<>();
|
||||
for (int i = 0; i < lineShapes.size(); i++) {
|
||||
lineShape = lineShapes.get(i);
|
||||
lineShape = ProjectionUtil.projectPolylineShape(lineShape, fromProj, toProj);
|
||||
if (lineShape != null) {
|
||||
newPolylines.add(lineShape);
|
||||
}
|
||||
}
|
||||
|
||||
return newPolylines;
|
||||
}
|
||||
|
||||
/**
|
||||
* Project polygon shape - clip the polygon shape when necessary
|
||||
*
|
||||
* @param aPGS A polygon shape
|
||||
* @param fromProj From projection
|
||||
@ -752,16 +881,21 @@ public class ProjectionUtil {
|
||||
*/
|
||||
public static Graphic projectClipGraphic(Graphic graphic, ProjectionInfo fromProj, ProjectionInfo toProj) {
|
||||
if (graphic instanceof GraphicCollection) {
|
||||
GraphicCollection newGCollection = new GraphicCollection();
|
||||
for (Graphic aGraphic : ((GraphicCollection) graphic).getGraphics()) {
|
||||
List<? extends Shape> shapes = projectClipShape(aGraphic.getShape(), fromProj, toProj);
|
||||
if (shapes != null) {
|
||||
aGraphic.setShape(shapes.get(0));
|
||||
newGCollection.add(aGraphic);
|
||||
try {
|
||||
Graphic newGCollection = graphic.getClass().getDeclaredConstructor().newInstance();
|
||||
for (Graphic aGraphic : ((GraphicCollection) graphic).getGraphics()) {
|
||||
List<? extends Shape> shapes = projectClipShape(aGraphic.getShape(), fromProj, toProj);
|
||||
if (shapes != null && shapes.size() > 0) {
|
||||
aGraphic.setShape(shapes.get(0));
|
||||
((GraphicCollection) newGCollection).add(aGraphic);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return newGCollection;
|
||||
return newGCollection;
|
||||
} catch (Exception ex) {
|
||||
ex.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
} else {
|
||||
List<? extends Shape> shapes = projectClipShape(graphic.getShape(), fromProj, toProj);
|
||||
if (shapes != null) {
|
||||
@ -838,11 +972,18 @@ public class ProjectionUtil {
|
||||
switch (shape.getShapeType()) {
|
||||
case POINT:
|
||||
case POINT_M:
|
||||
//shapes = projectPointShape((PointShape) shape, fromProj, toProj);
|
||||
case POINT_Z:
|
||||
PointShape pointShape = projectClipPointShape((PointShape) shape, fromProj, toProj);
|
||||
if (pointShape != null) {
|
||||
List<PointShape> pointShapes = new ArrayList<PointShape>();
|
||||
pointShapes.add(pointShape);
|
||||
shapes = pointShapes;
|
||||
}
|
||||
break;
|
||||
case POLYLINE:
|
||||
case POLYLINE_M:
|
||||
//shapes = projectPolylineShape((PolylineShape) shape, fromProj, toProj);
|
||||
case POLYLINE_Z:
|
||||
shapes = projectClipPolylineShape((PolylineShape) shape, fromProj, toProj);
|
||||
break;
|
||||
case CURVE_LINE:
|
||||
//shapes = projectCurvelineShape((CurveLineShape) shape, fromProj, toProj);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user