Voomra/trader
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implement compute star system coordinates

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This commit is contained in:
iMoHax
2014-11-26 12:17:54 +03:00
parent 262d971baf
commit 030e0ee930
6 changed files with 277 additions and 3 deletions
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39
client/src/main/java/ru/trader/controllers/SystemsEditorController.java
View File

@@ -20,6 +20,7 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.trader.model.MarketModel;
import ru.trader.model.SystemModel;
import ru.trader.model.support.PositionComputer;
import ru.trader.view.support.Localization;
import ru.trader.view.support.cells.TextFieldCell;
@@ -83,6 +84,13 @@ public class SystemsEditorController {
clnS6.setCellFactory(TextFieldCell.forTableColumn(new DoubleStringConverter()));
tblSystems.setItems(FXCollections.observableArrayList());
tblSystems.getSelectionModel().setCellSelectionEnabled(true);
tblSystems.setSortPolicy(t -> true);
system1.valueProperty().addListener((ov, o, n) -> clnS1.setText(n != null ? n.getName() : ""));
system2.valueProperty().addListener((ov, o, n) -> clnS2.setText(n != null ? n.getName() : ""));
system3.valueProperty().addListener((ov, o, n) -> clnS3.setText(n != null ? n.getName() : ""));
system4.valueProperty().addListener((ov, o, n) -> clnS4.setText(n != null ? n.getName() : ""));
system5.valueProperty().addListener((ov, o, n) -> clnS5.setText(n != null ? n.getName() : ""));
system6.valueProperty().addListener((ov, o, n) -> clnS6.setText(n != null ? n.getName() : ""));
init();
}
@@ -111,10 +119,33 @@ public class SystemsEditorController {
reset();
}
public void add() {
public void add(){
tblSystems.getItems().add(new SystemData());
}
public void compute(){
SystemModel sys1 = system1.getValue();
SystemModel sys2 = system2.getValue();
SystemModel sys3 = system3.getValue();
SystemModel sys4 = system4.getValue();
SystemModel sys5 = system5.getValue();
SystemModel sys6 = system6.getValue();
for (SystemData systemData : tblSystems.getItems()) {
if (systemData.name.isEmpty().get()) continue;
PositionComputer computer = new PositionComputer();
if (sys1 != null) computer.addLandMark(sys1, systemData.s1.get());
if (sys2 != null) computer.addLandMark(sys2, systemData.s2.get());
if (sys3 != null) computer.addLandMark(sys3, systemData.s3.get());
if (sys4 != null) computer.addLandMark(sys4, systemData.s4.get());
if (sys5 != null) computer.addLandMark(sys5, systemData.s5.get());
if (sys6 != null) computer.addLandMark(sys6, systemData.s6.get());
PositionComputer.Coordinates coord = computer.compute();
systemData.x.set(coord.getX());
systemData.y.set(coord.getY());
systemData.z.set(coord.getZ());
}
}
private void commit(){
for (SystemData systemData : tblSystems.getItems()) {
@@ -196,8 +227,12 @@ public class SystemsEditorController {
return s6;
}
public boolean isEmpty(){
return name.get().isEmpty() || Double.isNaN(x.get()) || Double.isNaN(y.get()) || Double.isNaN(z.get());
}
private void commit(){
if (!name.get().isEmpty() && !Double.isNaN(x.get()) && !Double.isNaN(y.get()) && !Double.isNaN(z.get())){
if (!isEmpty()){
if (system != null){
system.setName(name.get());
system.setPosition(x.get(), y.get(), z.get());

125
client/src/main/java/ru/trader/model/support/PositionComputer.java Normal file
View File

@@ -0,0 +1,125 @@
package ru.trader.model.support;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.trader.model.SystemModel;
import java.util.ArrayList;
import java.util.List;
public class PositionComputer {
private final static Logger LOG = LoggerFactory.getLogger(PositionComputer.class);
private final static double MAX_ERROR = 1E-10;
private final static double MAX_VALUE = 1000;
private final static double MIN_VALUE = -1000;
private final List<SystemModel> marks = new ArrayList<>(6);
private final List<Double> distances = new ArrayList<>(6);
public PositionComputer() {
}
public void addLandMark(SystemModel system, double distance){
marks.add(system);
distances.add(distance);
}
public Coordinates compute(){
return compute(MIN_VALUE, MIN_VALUE, MIN_VALUE);
}
public Coordinates compute(final double x, final double y, final double z){
Coordinates res = new Coordinates(Double.NaN, Double.NaN, Double.NaN);
Coordinates current = new Coordinates(x, y, z);
double xmin = MIN_VALUE, xmax = MAX_VALUE;
double ymin = MIN_VALUE, ymax = MAX_VALUE;
double zmin = MIN_VALUE, zmax = MAX_VALUE;
double step=100, mineps = Double.NaN;
while (true){
double delta = 0;
for (int i = 0; i < marks.size(); i++) {
delta += Math.abs(marks.get(i).getDistance(current.x, current.y, current.z) - distances.get(i));
}
LOG.trace("coordinates = {}, delta = {}", current, delta);
if (delta < MAX_ERROR) {
res = current;
LOG.debug("Coordinates found {}", res);
break;
}
if (Double.isNaN(mineps) || delta < mineps){
mineps = delta;
res = new Coordinates(current);
}
current.x += step;
if (current.x >= xmax){
current.x = xmin;
current.y += step;
if (current.y >= ymax){
current.y = ymin;
current.z += step;
if (current.z >= zmax){
if (step < MAX_ERROR){
LOG.debug("Coordinates not found, last {}, delta {}", res, mineps);
break;
} else {
xmin = res.x - step*2; xmax = res.x + step*2; current.x = xmin;
ymin = res.y - step*2; ymax = res.y + step*2; current.y = ymin;
zmin = res.z - step*2; zmax = res.z + step*2; current.z = zmin;
step = step/2;
LOG.trace("Change step to {}", step);
mineps = Double.NaN;
}
}
}
}
}
return res;
}
public class Coordinates {
private double x;
private double y;
private double z;
public Coordinates(double x, double y, double z) {
this.x = x;
this.y = y;
this.z = z;
}
public Coordinates(Coordinates other) {
this.x = other.x;
this.y = other.y;
this.z = other.z;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
public double getZ() {
return z;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("{");
sb.append("x=").append(x);
sb.append(", y=").append(y);
sb.append(", z=").append(z);
sb.append('}');
return sb.toString();
}
}
}