Error When Using CreateFromBase64String To Load TGA Image File

Questions
1

Hi everyone，
I plane to load texture from base64 data. I have a try to load them with CreateFromBase64String, but it always create a red-black texture. Does CreateFromBase64String support .tga type?

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image623×731 37.8 KB

2

TGAs are not supported by browsers, so we can’t handle them (we use browser methods to load files).

You should try using PNG files instead, if your workflow allows.

3

I find tga.ts in babylonjs/core, could it provide any help?

I have a try to generate a blob url and load from it, it not work

4

This can work! :sparkling_heart:

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image2017×639 62.3 KB

5

Yes we should be able to load tga if I remember correctly (on my phone so I could be wrong)

1 Like
6

Ah, I didn’t remember we have a TGA loader!

1 Like
7

I made a fix to let you specify the extension to load:
Allow CreateFromBase64String and LoadFromDataString to specifiy exten… by deltakosh · Pull Request #14932 · BabylonJS/Babylon.js (github.com)

Once merged this PG will work:
How to set independent materials for each side of a cuboid | Babylon.js Playground (babylonjs.com)

2 Likes
8

I find that Loader will throw a error when GLB contains .tga file. Is it the same problem with CreateFromBase64String? :grin:

9

I think gltf does not support TGA as a texture file format.

cc @bghgary

10

It is seems that FBX2GLTF tools can package TGA file into glb, and I used to use model-viewer to load glb file with tga.

11

According to the spec, only .png and .jpg are supported as texture formats.

I could not find an extension that would support TGA:

Let’s wait for @bghgary input, who will know for sure if TGA support is standard in gltf.

12

TGA is not supported in glTF, sorry. It would be non-conformant to load TGA with glTF without an extension. Why use TGA?

13

I plan to achieve a model-viewer with Babylonjs which can view model-file like fbx,max,mb.
Old plan is converting them to fbx (autodesk api), next to glb (FBX2GLTF tools). In this way, I have to face glb with .gta image. New plan is port FBXLoader to Babylonjs that I can control the parse process and get more information from origin file (convert fbx to glb always lose many informations)