First commit, added all projects

2026-05-31 14:39:57 -04:00
commit d2930f7af5
247 changed files with 22376354 additions and 0 deletions
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+package geography;
+
+import java.awt.geom.Rectangle2D;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import gui.CartographyDocument;
+
+/**
+ * A class for reading geographic shapes from an input stream and creating a CartographyDocument
+ * containing those shapes.
+ */
+public class GeographicShapesReader
+{
+  private BufferedReader in;
+  private MapProjection proj;
+
+  /**
+   * @param is
+   *          The input stream to read the shapes from
+   * @param proj
+   *          The map projection to use when converting geographic coordinates to Cartesian
+   *          coordinates
+   */
+  public GeographicShapesReader(final InputStream is, final MapProjection proj)
+  {
+    this.in = new BufferedReader(new InputStreamReader(is));
+    this.proj = proj;
+  }
+
+  /**
+   * @return A CartographyDocument containing the shapes read from the input stream.
+   */
+  public CartographyDocument<GeographicShape> read()
+  {
+    double maxX = Double.NEGATIVE_INFINITY;
+    double maxY = Double.NEGATIVE_INFINITY;
+    double minX = Double.POSITIVE_INFINITY;
+    double minY = Double.POSITIVE_INFINITY;
+
+    Map<String, GeographicShape> shapes = new HashMap<>();
+
+    String currentLine;
+    try
+    {
+      while ((currentLine = in.readLine()) != null)
+      {
+        Map<String, String> parsed = new LinkedHashMap<>();
+        String[] tokens = currentLine.trim().split("(?=Type:|ID:|Code:)");
+
+        for (String token : tokens)
+        {
+          if (token.isBlank())
+            continue;
+          int colonIdx = token.indexOf(':');
+          String key = token.substring(0, colonIdx).trim();
+          String value = token.substring(colonIdx + 1).trim();
+          parsed.put(key, value);
+        }
+
+        String type = parsed.get("Type");
+        String id = parsed.get("ID");
+
+        PiecewiseLinearCurve shape;
+
+        switch (type)
+        {
+          case "PiecewiseLinearCurve":
+            shape = new PiecewiseLinearCurve(id);
+            break;
+          case "Polygon":
+            shape = new Polygon(id);
+            break;
+          case "Comment":
+            in.readLine(); // skip the END
+            continue;
+          default:
+            return null;
+        }
+
+        while ((currentLine = in.readLine()) != null)
+        {
+          currentLine = currentLine.trim();
+
+          if (currentLine.equals("END"))
+          {
+            break;
+          }
+
+          String[] strCoords = currentLine.trim().split("\\s+");
+          double[] coords = new double[] {Double.parseDouble(strCoords[0]),
+              Double.parseDouble(strCoords[1])};
+
+          double[] projCoords = proj.forward(coords);
+          shape.add(projCoords);
+
+          maxX = Math.max(maxX, projCoords[0]);
+          maxY = Math.max(maxY, projCoords[1]);
+          minX = Math.min(minX, projCoords[0]);
+          minY = Math.min(minY, projCoords[1]);
+        }
+        shapes.put(id, shape);
+      }
+    }
+    catch (IOException e)
+    {
+      e.printStackTrace();
+    }
+
+    Rectangle2D.Double bounds = new Rectangle2D.Double(minX, minY, maxX - minX, maxY - minY);
+    return new CartographyDocument<>(shapes, bounds);
+  }
+}