fix: Area Measurement units and MeasureMark visibility (#673)

* fix: remove exponentiation in unit conversion

* fix(measure-mark): update label visibility status based on area rawvalue

Author: MiguelG97

packages/core/src/measurement/MeasurementUtils/index.ts

@@ -50,7 +50,7 @@ export class MeasurementUtils extends Component {
     point: THREE.Vector3,
     lineStart: THREE.Vector3,
     lineEnd: THREE.Vector3,
-    clamp = false,
+    clamp = false
   ) {
     const tempLine = new THREE.Line3();
     const tempPoint = new THREE.Vector3();
@@ -294,7 +294,7 @@ export class MeasurementUtils extends Component {
    */
   async getVolumeFromFragments(modelIdMap: ModelIdMap) {
     console.warn(
-      "getVolumeFromFragments is deprecated. Use getItemsVolume instead.",
+      "getVolumeFromFragments is deprecated. Use getItemsVolume instead."
     );
     return this.getItemsVolume(modelIdMap);
   }
@@ -395,7 +395,7 @@ export class MeasurementUtils extends Component {
     value: number,
     fromUnit: string,
     toUnit: string,
-    precision = 2,
+    precision = 2
   ): number {
     const unitFactors: Record<string, number> = {
       // Length
@@ -425,13 +425,6 @@ export class MeasurementUtils extends Component {
 
     let factor = unitFactors[fromUnit] / unitFactors[toUnit];
 
-    // Adjust factor for area or volume conversions
-    if (fromUnit.endsWith("2") && toUnit.endsWith("2")) {
-      factor **= 2;
-    } else if (fromUnit.endsWith("3") && toUnit.endsWith("3")) {
-      factor **= 3;
-    }
-
     const convertedValue = value * factor;
     const roundingFactor = 10 ** precision;
     return Math.round(convertedValue * roundingFactor) / roundingFactor;

packages/front/src/utils/measure-fill.ts

@@ -151,7 +151,7 @@ export class MeasureFill {
 
   update() {
     this.updateMesh();
-    if (this.area.value === 0) {
+    if (this.area.rawValue === 0) {
       this.label.visible = false;
     } else {
       this.label.value = this.area.rawValue;