From 48c09af293182e28c4abd201666fac36a2a2bafa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A5vard=20Daleng?=
<142524365+MrMarHVD@users.noreply.github.com>
Date: Mon, 1 Apr 2024 13:44:54 +0200
Subject: [PATCH] Made program work with ChaosGameFileHandler.
---
.../java/edu/ntnu/stud/chaosgame/Main.java | 24 +---
.../chaosgame/game/ChaosGameFileHandler.java | 110 +++++++++---------
.../chaosgame/model/handling/ChaosGame.java | 2 +-
.../resources/descriptions/Sierpinski.txt | 6 +
4 files changed, 62 insertions(+), 80 deletions(-)
create mode 100644 src/main/resources/descriptions/Sierpinski.txt
diff --git a/src/main/java/edu/ntnu/stud/chaosgame/Main.java b/src/main/java/edu/ntnu/stud/chaosgame/Main.java
index 5772ad9..2d0d607 100644
--- a/src/main/java/edu/ntnu/stud/chaosgame/Main.java
+++ b/src/main/java/edu/ntnu/stud/chaosgame/Main.java
@@ -18,26 +18,7 @@ public class Main {
public static void main(String[] args) {
System.out.println("Hi");
- String path = "src/main/resources/descriptions/TestDescription.txt";
-
-
- Vector2D minCoords = new Vector2D(0, 0);
- Vector2D maxCoords = new Vector2D(1, 1);
-
- Matrix2x2 transformMatrix1 = new Matrix2x2(0.5, 0, 0, 0.5);
-
- Vector2D translationVector1 = new Vector2D(0, 0);
- Vector2D translationVector2 = new Vector2D(0.25, 0.5);
- Vector2D translationVector3 = new Vector2D(0.5, 0);
-
- AffineTransform2D affineTransform1 = new AffineTransform2D(transformMatrix1, translationVector1);
- AffineTransform2D affineTransform2 = new AffineTransform2D(transformMatrix1, translationVector2);
- AffineTransform2D affineTransform3 = new AffineTransform2D(transformMatrix1, translationVector3);
-
- List<Transform2D> transforms = new ArrayList<>();
- transforms.add(affineTransform1);
- transforms.add(affineTransform2);
- transforms.add(affineTransform3);
+ String path = "src/main/resources/descriptions/Sierpinski.txt";
ChaosGameDescription description = null; // Declare description
@@ -47,14 +28,13 @@ public class Main {
//ChaosGameDescription description = new ChaosGameFileHandler().readFromFile(path);
//description = new ChaosGameDescription(minCoords, maxCoords, transforms);
description = new ChaosGameFileHandler().readFromFile(path);
- System.out.println("MaxCoords-object of description: " + description.getMaxCoords());
ChaosCanvas canvas = new ChaosCanvas(100, 100, description.getMinCoords(), description.getMaxCoords()); // Create canvas
game = new ChaosGame(description, canvas);
} catch (Exception e) {
System.out.println(e.getMessage()); // TODO: Alter error handling
}
- //game.runSteps(100000);
+ game.runSteps(100000);
diff --git a/src/main/java/edu/ntnu/stud/chaosgame/game/ChaosGameFileHandler.java b/src/main/java/edu/ntnu/stud/chaosgame/game/ChaosGameFileHandler.java
index 41950f3..419eb9f 100644
--- a/src/main/java/edu/ntnu/stud/chaosgame/game/ChaosGameFileHandler.java
+++ b/src/main/java/edu/ntnu/stud/chaosgame/game/ChaosGameFileHandler.java
@@ -6,17 +6,14 @@ import edu.ntnu.stud.chaosgame.model.Vector2D;
import edu.ntnu.stud.chaosgame.model.transformations.AffineTransform2D;
import edu.ntnu.stud.chaosgame.model.transformations.JuliaTransform;
import edu.ntnu.stud.chaosgame.model.transformations.Transform2D;
-import java.io.FileNotFoundException;
+
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-import java.util.Scanner;
-import java.util.logging.Logger;
+import java.util.*;
+
import java.io.BufferedWriter;
public class ChaosGameFileHandler {
@@ -33,54 +30,54 @@ public class ChaosGameFileHandler {
Path paths = Paths.get(path);
- try (Scanner scanner = new Scanner(Files.newInputStream(paths))){
- scanner.useLocale(Locale.ENGLISH); // useLocale ensures periods in decimal numbers
- scanner.useDelimiter("\\s*,\\s*|\\r?|#[^\\n]"); // useDelimiter with regular expression skips comments
+ try (Scanner scanner = new Scanner(Files.newInputStream(paths))) {
+ scanner.useLocale(Locale.ENGLISH);
+
+ // Use a delimiter that splits on commas and new lines, and ignores comment lines.
+ scanner.useDelimiter("\\s*,\\s*|\\s*\\r?\\n+\\s*|(?m)^#.*$");
+
String firstLine = scanner.nextLine().trim();
- if (!firstLine.startsWith("Affine2D") && !firstLine.startsWith("Julia")){
- throw new IllegalStateException("Invalid Chaos Game");
+ if (!firstLine.equals("Affine2D")) {
+ throw new IllegalStateException("Invalid Chaos Game, expected 'Affine2D'.");
}
- double x0min = scanner.nextDouble();
- double x1min = scanner.nextDouble();
- minimumVector = new Vector2D(x0min,x1min);
-
- double x0max = scanner.nextDouble();
- double x1max = scanner.nextDouble();
- maximumVector = new Vector2D(x0max,x1max);
-
-
- while(scanner.hasNextDouble()){
-
- if (firstLine.startsWith("Affine2D")){
- for (int i = 0; i < 3; i++) {
- double a00 = scanner.nextDouble();
- double a01 = scanner.nextDouble();
- double a10 = scanner.nextDouble();
- double a11 = scanner.nextDouble();
- Matrix2x2 matrix2x2 = new Matrix2x2(a00, a01, a10, a11);
-
- double b0 = scanner.nextDouble();
- double b1 = scanner.nextDouble();
- Vector2D vector2D = new Vector2D(b0, b1);
-
- Transform2D transform2D = new AffineTransform2D(matrix2x2, vector2D);
- transforms.add(transform2D);
- }
- } else if(firstLine.startsWith("Julia")){
- double realOfComplex = scanner.nextDouble();
- double imaginaryOfComplex = scanner.nextDouble();
- Complex complex = new Complex(realOfComplex,imaginaryOfComplex);
- Transform2D juliaTransformPositive = new JuliaTransform(complex,1);
- Transform2D juliaTransformNegative = new JuliaTransform(complex,-1);
- transforms.add(juliaTransformPositive);
- transforms.add(juliaTransformNegative);
- }
+
+ // Read the minimum vector
+ if (scanner.hasNextDouble()) {
+ double x0min = scanner.nextDouble();
+ double x1min = scanner.nextDouble();
+ minimumVector = new Vector2D(x0min, x1min);
+ } else {
+ throw new IllegalArgumentException("Expected minimum vector coordinates.");
}
- return new ChaosGameDescription(minimumVector,maximumVector,transforms);
- }
- catch (IOException e){
- throw new IOException("Failure to read file",e);
+
+ // Read the maximum vector
+ if (scanner.hasNextDouble()) {
+ double x0max = scanner.nextDouble();
+ double x1max = scanner.nextDouble();
+ maximumVector = new Vector2D(x0max, x1max);
+ } else {
+ throw new IllegalArgumentException("Expected maximum vector coordinates.");
+ }
+
+ // Read the transforms
+ while (scanner.hasNextDouble()) {
+ double a00 = scanner.nextDouble();
+ double a01 = scanner.nextDouble();
+ double a10 = scanner.nextDouble();
+ double a11 = scanner.nextDouble();
+ double b0 = scanner.nextDouble();
+ double b1 = scanner.nextDouble();
+
+ Matrix2x2 matrix2x2 = new Matrix2x2(a00, a01, a10, a11);
+ Vector2D vector2D = new Vector2D(b0, b1);
+ Transform2D transform2D = new AffineTransform2D(matrix2x2, vector2D);
+ transforms.add(transform2D);
+ }
+ } catch (IOException e) {
+ throw new IOException("Failure to read file", e);
}
+
+ return new ChaosGameDescription(minimumVector, maximumVector, transforms);
}
/**
@@ -88,7 +85,7 @@ public class ChaosGameFileHandler {
* @param description A {@link ChaosGameDescription} description of the chaos game that should be written to file.
* @param path A String describing the path to the file that should be written to.
*/
- public void writeToFile(ChaosGameDescription description, String path){
+ public void writeToFile(ChaosGameDescription description, String path) throws IOException{
List<Transform2D> transforms = description.getTransforms();
try (BufferedWriter writer = new BufferedWriter(new FileWriter(path))){
@@ -100,26 +97,25 @@ public class ChaosGameFileHandler {
}
Vector2D minVector2D = description.getMinCoords();
Vector2D maxVector2D = description.getMaxCoords();
- writer.write(minVector2D.getX0() + "," + minVector2D.getX1());
- writer.write(maxVector2D + ", " + minVector2D);
+ writer.write(minVector2D.getX0() + ", " + minVector2D.getX1() + "\n");
+ writer.write(maxVector2D.getX0() + ", " + maxVector2D.getX1() + "\n");
for(Transform2D transform : transforms){
if (transform instanceof AffineTransform2D affineTransform2D) {
Matrix2x2 matrix2x2 = affineTransform2D.getMatrix();
Vector2D vector2D = affineTransform2D.getVector();
writer.write(matrix2x2.getA00() + ", " + matrix2x2.getA01() + ", " + matrix2x2.getA10() + ", "
- + matrix2x2.getA11() + ", " + vector2D.getX0() + ", " + vector2D.getX1());
+ + matrix2x2.getA11() + ", " + vector2D.getX0() + ", " + vector2D.getX1() + "\n");
} else if (transform instanceof JuliaTransform juliaTransform){
Complex complex = juliaTransform.getC1();
- writer.write(complex.getX0() + ", " + complex.getX1() + ", ");
+ writer.write(complex.getX0() + ", " + complex.getX1() + "\n");
}
}
} catch (IOException e) {
- // Maybe replace with logger later based on SolarLint
- System.out.println("File writing failure on path:" + path + "with error message:" + e.getMessage());
+ throw new IOException("Failure to write to file", e);
}
}
diff --git a/src/main/java/edu/ntnu/stud/chaosgame/model/handling/ChaosGame.java b/src/main/java/edu/ntnu/stud/chaosgame/model/handling/ChaosGame.java
index 4d7275f..2c29dec 100644
--- a/src/main/java/edu/ntnu/stud/chaosgame/model/handling/ChaosGame.java
+++ b/src/main/java/edu/ntnu/stud/chaosgame/model/handling/ChaosGame.java
@@ -62,7 +62,7 @@ public class ChaosGame {
for (int i = 0; i < n; i++) {
int j = this.random.nextInt(0, this.numOfTransforms);
this.currentPoint = this.description.getTransforms().get(j).transform(currentPoint);
- System.out.println(currentPoint.getX0() + " " + currentPoint.getX1());
+ //System.out.println(currentPoint.getX0() + " " + currentPoint.getX1());
this.canvas.putPixel(currentPoint);
}
this.canvas.printCanvas();
diff --git a/src/main/resources/descriptions/Sierpinski.txt b/src/main/resources/descriptions/Sierpinski.txt
new file mode 100644
index 0000000..e98ca28
--- /dev/null
+++ b/src/main/resources/descriptions/Sierpinski.txt
@@ -0,0 +1,6 @@
+Affine2D
+0.0, 0.0
+1.0, 1.0
+0.5, 0.0, 0.0, 0.5, 0.0, 0.0
+0.5, 0.0, 0.0, 0.5, 0.25, 0.5
+0.5, 0.0, 0.0, 0.5, 0.5, 0.0
--
GitLab