Merge pull request #478 from EarthyScience/jp/sphere-extent-fix

Extent logic should apply correctly

Author: TheJeran

src/components/textures/shaders/sphereFrag.glsl

@@ -26,12 +26,12 @@ uniform float nanAlpha;
 vec2 giveUV(vec3 position){
     vec3 n = normalize(position);
     float latitude = asin(n.y);
-    float longitude = atan(n.z, n.x);
+    float longitude = -atan(n.z, n.x);
 
     latitude = (latitude - latBounds.x)/(latBounds.y - latBounds.x);
     longitude = (longitude - lonBounds.x)/(lonBounds.y - lonBounds.x);
 
-    return vec2(1.-longitude, latitude);
+    return vec2(longitude, latitude);
 }
 
 bool isValid(vec2 sampleCoord){

src/components/textures/shaders/sphereVertex.glsl

@@ -12,11 +12,11 @@ uniform float animateProg;
 vec2 giveUV(vec3 position){
     vec3 n = normalize(position);
     float latitude = asin(n.y);
-    float longitude = atan(n.z, n.x);
+    float longitude = -atan(n.z, n.x);
     latitude = (latitude - latBounds.x)/(latBounds.y - latBounds.x);
     longitude = (longitude - lonBounds.x)/(lonBounds.y - lonBounds.x);
 
-    return vec2(1.-longitude, latitude);
+    return vec2(longitude, latitude);
 }
 
 float sample1(vec3 p, int index) { // Shader doesn't support dynamic indexing so we gotta use switching

src/components/textures/shaders/sphereVertexFlat.glsl

@@ -11,11 +11,11 @@ uniform vec2 lonBounds;
 vec2 giveUV(vec3 position){
     vec3 n = normalize(position);
     float latitude = asin(n.y);
-    float longitude = atan(n.z, n.x);
+    float longitude = -atan(n.z, n.x);
     latitude = (latitude - latBounds.x)/(latBounds.y - latBounds.x);
     longitude = (longitude - lonBounds.x)/(lonBounds.y - lonBounds.x);
 
-    return vec2(1.-longitude, latitude);
+    return vec2(longitude, latitude);
 }
 
 float sample1(vec2 p, int index) { // Shader doesn't support dynamic indexing so we gotta use switching

src/utils/HelperFuncs.ts

@@ -3,7 +3,7 @@ import * as THREE from 'three'
 import { useGlobalStore, usePlotStore, useZarrStore, useCacheStore } from './GlobalStates';
 import { decompressSync } from 'fflate';
 import * as zarr from 'zarrita';
-import { GetStore, copyChunkToArray } from '@/components/zarr/ZarrLoaderLRU';
+import { copyChunkToArray } from '@/components/zarr/ZarrLoaderLRU';
 export function parseTimeUnit(units: string | undefined): [number, number] {
     if (units === "Default"){
         return [1, 0];