Fix linter errors

app/three/utils/build-clipping-planes.ts

@@ -74,7 +74,7 @@ export function buildClippingplanes(
   const edgeMeshMap = {} as Partial<EdgeMashMap>;
 
   // Create plane meshes
-  for (let p of planesData) {
+  for (const p of planesData) {
     let name;
     let planeCenter;
     let width;
@@ -461,7 +461,7 @@ function generateCapMeshes(
   const capMeshes: Mesh[] = [];
 
   // Iterate over the list of geologic meshes
-  for (let mesh of meshes) {
+  for (const mesh of meshes) {
     // Slice visible meshes only
     if (mesh.visible) {
       const position = mesh.geometry.attributes.position.array;
@@ -611,7 +611,7 @@ function triangulatePolygon(vertices: Vector3[], plane: Plane) {
 
   // Construct the local 2D coordinate system
   const N = plane.normal.clone().normalize(); // Plane normal
-  let T = new Vector3(1, 0, 0); // Temporary vector for tangent
+  const T = new Vector3(1, 0, 0); // Temporary vector for tangent
 
   // Ensure T is not parallel to N
   if (Math.abs(N.dot(T)) > 0.9) {

app/three/utils/build-coordinate-grid.ts

@@ -50,7 +50,7 @@ export function buildCoordinateGrid(extent: Extent) {
   }
 
   const annotations = [];
-  for (let point of startingPointsHorizontal) {
+  for (const point of startingPointsHorizontal) {
     const label = createLabel(
       `${point.x.toFixed(2)}`,
       point,
@@ -59,7 +59,7 @@ export function buildCoordinateGrid(extent: Extent) {
     annotations.push(label);
   }
 
-  for (let point of startingPointsVertical) {
+  for (const point of startingPointsVertical) {
     const label = createLabel(
       `${point.y.toFixed(2)}`,
       point,

app/three/utils/parsers.ts

@@ -32,7 +32,7 @@ export function unpackVertices(arrayBuffer: ArrayBuffer) {
     ptr += FOURBYTE;
     significantBits = readSignificantBits(dataView, ptr, bytesCount);
     let value = 0.0;
-    for (var j = dim, i = 0; i < pointsCount; j += DIMENSIONS, i++) {
+    for (let j = dim, i = 0; i < pointsCount; j += DIMENSIONS, i++) {
       value = significantBits.readBits(significantBitsCount, 0) | commonBits;
       if (dim === 2) {
         value = value / 100; // z values in pc_patch from DB are multiplied by 100