Spherical Image Studio — Prototype Ver.

Work in two projection modes: Spherical Projection for the original mapping workflow, and 360 Panoramic for an industry-oriented 360° × 180° HDRI environment-map pipeline with spherical orientation correction, seam/pole integrity, linear radiance processing, diagnostic preview, validation, and exact 2:1 Radiance HDR export up to 2K.

Created by @ervinf.dsg
3D engine loading
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Drag to orbit · wheel/pinch to zoom · right-drag to pan
Import a bitmap to begin Your image will be converted into an equirectangular UV texture and wrapped around the sphere.
Current orbit frame = export frame

2D UV Map Preview

Equirectangular layout · click image to move, stretch, scale, or rotate · seam at left/right edge
Longitude: −180° → +180° Latitude: +90° → −90°
Exact 2:1 master · longitude −180° → +180° · latitude +90° → −90°
Preview 2048 × 1024
Import a source imageThe 360 Panoramic pipeline will analyze coverage and build a spherical environment-map preview.
Equirectangular · 360° × 180°
Exact 2:1 spherical reconstruction preview · diagnostics are display-only
No source loaded
Import a flat 2D imageSet horizon and optical center, expand coverage to 360°, reconstruct the seam, then build estimated HDR radiance.
2D → HDRI · Equirectangular 2:1
Geometry: perspective → sphere Coverage: adaptive 360° extension Radiance: estimated from LDR