Design
VP8 Image Analyzer
Analyze a WebP/VP8 image with Sharp, generate a grayscale displacement map, and render it as an interactive Three.js 3D relief surface
html· HTML resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/vp8-image-analyzer' \
-H 'Content-Type: application/json' \
-d '{"filename":"imageFile.ext","contentType":"application/octet-stream","size":12345}'
# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
--data-binary @/path/to/file.ext
# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/en/api/tools/vp8-image-analyzer' \
-F 'imageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'displacementScale=1.25' \
-F 'segments=192' \
-F 'maxTextureSize=1024' \
-F 'autoRotate=true' \
-F 'wireframe=false'