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support avoiding collapse of x-axis labels in ProjLonLatAxis class

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This commit is contained in:
wyq 2024-12-24 11:36:40 +08:00
parent 2e222b80b9
commit 563d7c8e2e
3 changed files with 73 additions and 21 deletions
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4
meteoinfo-chart/src/main/java/org/meteoinfo/chart/axis/Axis.java
View File

@ -1203,7 +1203,7 @@ public class Axis extends Artist implements Cloneable {
* Get maximum label string length
*
* @param g Graphics2D
* @return Maximum lable string length
* @return Maximum label string length
*/
public int getMaxLabelLength(Graphics2D g) {
this.updateTickLabels();
@ -1372,7 +1372,7 @@ public class Axis extends Artist implements Cloneable {
}
/**
* Update lable gap
* Update label gap
*
* @param g Graphics2D
* @param len Length

84
meteoinfo-chart/src/main/java/org/meteoinfo/chart/axis/ProjLonLatAxis.java
View File

@ -5,6 +5,7 @@
*/
package org.meteoinfo.chart.axis;
import org.meteoinfo.chart.ChartText;
import org.meteoinfo.chart.Location;
import org.meteoinfo.chart.plot.AbstractPlot2D;
import org.meteoinfo.chart.geo.MapGridLine;
@ -80,6 +81,53 @@ public class ProjLonLatAxis extends LonLatAxis{
// </editor-fold>
// <editor-fold desc="Methods">
/**
* Update label gap
*
* @param g Graphics2D
* @param len Length
* @param labels Labels
* @return Label gap
*/
public int getLabelGap(Graphics2D g, double len, List<GridLabel> labels) {
int n = labels.size();
int labLen = this.getMaxLabelLength(g, labels);
int nn = (int) ((len * 0.8) / labLen);
if (nn == 0) {
nn = 1;
}
return n / nn + 1;
}
/**
* Get maximum label string length
*
* @param g Graphics2D
* @param labels Labels
* @return Maximum label string length
*/
public int getMaxLabelLength(Graphics2D g, List<GridLabel> labels) {
int max = 0;
Dimension dim;
int width, height;
g.setFont(this.tickLabelFont);
for (int i = 0; i < labels.size(); i++) {
GridLabel lab = labels.get(i);
dim = Draw.getStringDimension(lab.getLabString(), g);
width = dim.width;
if (this.tickLabelAngle != 0) {
width = (int) (dim.getWidth() * Math.cos(this.tickLabelAngle * Math.PI / 180));
height = dim.height;
width = Math.max(width, height);
}
if (max < width) {
max = width;
}
}
return max;
}
@Override
void drawXAxis(Graphics2D g, Rectangle2D area, AbstractPlot2D plot) {
double xMin = area.getX();
@ -98,8 +146,10 @@ public class ProjLonLatAxis extends LonLatAxis{
double[] xy;
if (this.isDrawTickLine()) {
List<GridLabel> lonLabels = mapGridLine.getLongitudeLabels();
int labelGap = this.getLabelGap(g, xMax - xMin, lonLabels);
g.setColor(this.getTickColor());
g.setStroke(new BasicStroke(this.getTickWidth()));
int i = 0, idx = 0;
for (GridLabel gridLabel : lonLabels) {
PointD point = gridLabel.getCoord();
x = point.X;
@ -125,25 +175,29 @@ public class ProjLonLatAxis extends LonLatAxis{
//Draw tick label
if (this.isDrawTickLabel()) {
if (this.getLocation() == Location.BOTTOM) {
if (this.isInsideTick()){
y = yMax;
if (i == idx) {
idx += labelGap;
if (this.getLocation() == Location.BOTTOM) {
if (this.isInsideTick()) {
y = yMax;
} else {
y = yMax + this.getTickLength();
}
y += this.getTickSpace();
} else {
y = yMax + this.getTickLength();
if (this.isInsideTick()) {
y = yMin;
} else {
y = yMin - this.getTickLength();
}
y -= this.getTickSpace();
}
y += this.getTickSpace();
} else {
if (this.isInsideTick()){
y = yMin;
} else {
y = yMin - this.getTickLength();
}
y -= this.getTickSpace();
g.setColor(this.getTickLabelColor());
g.setFont(this.getTickLabelFont());
Draw.drawString(g, x, y, gridLabel.getLabString(), XAlign.CENTER, YAlign.TOP, true);
}
g.setColor(this.getTickLabelColor());
g.setFont(this.getTickLabelFont());
Draw.drawString(g, x, y, gridLabel.getLabString(), XAlign.CENTER, YAlign.TOP, true);
}
i += 1;
}
}
}

6
meteoinfo-lab/milconfig.xml
View File

@ -1,13 +1,12 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<MeteoInfo File="milconfig.xml" Type="configurefile">
<Path OpenPath="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\plot">
<Path OpenPath="D:\Working\MIScript\Jython\mis\io\radar">
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\hdf"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\satellite"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\netcdf"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\micaps"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\burf"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\radar"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\radar\cinrad"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types"/>
@ -16,17 +15,16 @@
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\model"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\plot"/>
<RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\radar"/>
</Path>
<File>
<OpenedFiles>
<OpenedFile File="D:\Working\MIScript\Jython\mis\io\burf\bufr_gfs_1.py"/>
<OpenedFile File="D:\Working\MIScript\Jython\mis\io\radar\radar_x_phase_2.py"/>
<OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\plot\air_path_model.py"/>
</OpenedFiles>
<RecentFiles>
<RecentFile File="D:\Working\MIScript\Jython\mis\io\burf\bufr_gfs_1.py"/>
<RecentFile File="D:\Working\MIScript\Jython\mis\io\radar\radar_x_phase_2.py"/>
<RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\plot\air_path_model.py"/>
</RecentFiles>
</File>
<Font>