Utilize the following code snippet:
var chosenObject;
modelOrScene.traverse( (obj)=>{
if(obj.material && obj.material.map)
console.log(obj.name) //display names of objects with material map image paths
if(obj.name == 'NameOfTheObjectWithTheTexture")
chosenObject = obj;
})
on your model to identify objects and materials with texture maps.
Once you have identified the object with the desired material+map, you can load a new texture using
if(chosenObject)
new THREE.TextureLoader().load( "yourOtherImage.png" ,(tex)=>{
chosenObject.material.map = tex; //Update the object's material after loading the new texture.
})
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