feat(segmentation): segment statistics, labelmap interpolation and segment bidirectional (#4865)

platform/ui-next/src/utils/index.ts

@@ -1,3 +1,4 @@
 import { getToggledClassName } from './getToggledClassName';
+import roundNumber from './roundNumber';
 
-export { getToggledClassName };
+export { getToggledClassName, roundNumber };

platform/ui-next/src/utils/roundNumber.ts

@@ -0,0 +1,43 @@
+/**
+ * Truncates decimal points to that there is at least 1+precision significant
+ * digits.
+ *
+ * For example, with the default precision 2 (3 significant digits)
+ * * Values larger than 100 show no information after the decimal point
+ * * Values between 10 and 99 show 1 decimal point
+ * * Values between 1 and 9 show 2 decimal points
+ *
+ * @param value - to return a fixed measurement value from
+ * @param precision - defining how many digits after 1..9 are desired
+ */
+
+function roundNumber(value, precision = 2) {
+  if (Array.isArray(value)) {
+    return value.map(v => roundNumber(v, precision)).join(', ');
+  }
+  if (value === undefined || value === null || value === '') {
+    return 'NaN';
+  }
+  value = Number(value);
+  const absValue = Math.abs(value);
+  if (absValue < 0.0001) {
+    return `${value}`;
+  }
+  const fixedPrecision =
+    absValue >= 100
+      ? precision - 2
+      : absValue >= 10
+        ? precision - 1
+        : absValue >= 1
+          ? precision
+          : absValue >= 0.1
+            ? precision + 1
+            : absValue >= 0.01
+              ? precision + 2
+              : absValue >= 0.001
+                ? precision + 3
+                : precision + 4;
+  return value.toFixed(fixedPrecision);
+}
+
+export default roundNumber;