06.2026

2026-06-24 13:28:45 +02:00
parent b658ce0a15
commit 97ecbd2af2
113 changed files with 5193 additions and 456368 deletions
@@ -0,0 +1,76 @@
+package sparseviewer.interp;
+
+public class InterpolationResult {
+
+    private final Grid2D grid;
+    private final float[] pixels;
+    private final double zmin;
+    private final double zmax;
+
+    public InterpolationResult(Grid2D grid, float[] pixels) {
+        this.grid = grid;
+        this.pixels = pixels;
+
+        double min = Double.POSITIVE_INFINITY;
+        double max = Double.NEGATIVE_INFINITY;
+
+        for (int i = 0; i < pixels.length; i++) {
+            float v = pixels[i];
+
+            if (Float.isNaN(v) || Float.isInfinite(v)) {
+                continue;
+            }
+
+            if (v < min) {
+                min = v;
+            }
+
+            if (v > max) {
+                max = v;
+            }
+        }
+
+        if (min == Double.POSITIVE_INFINITY || max == Double.NEGATIVE_INFINITY) {
+            min = 0.0;
+            max = 1.0;
+        }
+
+        if (min == max) {
+            min -= 1.0;
+            max += 1.0;
+        }
+
+        this.zmin = min;
+        this.zmax = max;
+    }
+
+    public Grid2D getGrid() {
+        return grid;
+    }
+
+    public float[] getPixels() {
+        return pixels;
+    }
+
+    public double getZMin() {
+        return zmin;
+    }
+
+    public double getZMax() {
+        return zmax;
+    }
+
+    public float getValueAtIndex(int ix, int iy) {
+        if (ix < 0 || iy < 0 || ix >= grid.getWidth() || iy >= grid.getHeight()) {
+            return Float.NaN;
+        }
+
+        return pixels[iy * grid.getWidth() + ix];
+    }
+
+    public float getNearestValue(double x, double y) {
+        int ix = grid.xToIndex(x);
+        int iy = grid.yToIndex(y);
+        return getValueAtIndex(ix, iy);
+    }
+}