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Camera RAW requires full image development. This browser engine does not implement it yet.
Canon CRW needs camera- and file-aware development to produce a rendered HDR image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.
RAW capture values are not automatically a finished SDR or HDR picture. An HDR-capable destination can hold a developed high-range image, but exposure, camera calibration, colour space and highlight handling determine which captured information reaches it. The future engine defines that development; neither sensor values nor a wider dynamic range are guaranteed to survive.
RLE preserves stored RGBE bytes; RGBE quantization is not exact storage of arbitrary float RGB. The .hdr format is distinct from the general concept of HDR photography. HDR can store its supported image samples without lossy compression. This applies after rendering and sample conversion: it does not guarantee preservation of source precision, colour space or document structure, and cannot undo earlier losses.
Source
Canon Raw / Camera Image File Format
Canon’s earlier CIFF-based raw files, requiring a decoder for the original camera data.
Explore Canon CRW format →Target
Radiance HDR / RGBE
Radiance pictures with a shared exponent for high-dynamic-range lighting values.
Explore HDR format →Canon CRW needs camera- and file-aware development to produce a rendered HDR image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.
RAW capture values are not automatically a finished SDR or HDR picture. An HDR-capable destination can hold a developed high-range image, but exposure, camera calibration, colour space and highlight handling determine which captured information reaches it. The future engine defines that development; neither sensor values nor a wider dynamic range are guaranteed to survive.
RLE preserves stored RGBE bytes; RGBE quantization is not exact storage of arbitrary float RGB. The .hdr format is distinct from the general concept of HDR photography. HDR can store its supported image samples without lossy compression. This applies after rendering and sample conversion: it does not guarantee preservation of source precision, colour space or document structure, and cannot undo earlier losses.
Source and target sample models can differ in precision, channel layout, colour space and transfer function. Lossless compression only preserves the samples actually encoded; a precision reduction or colour conversion can already change them. The future engine defines numeric mapping, orientation and colour conversion; canonical depth facts are listed below where available.
Canon CRW: CIFF → HDR: Radiance header, EXPOSURE, FORMAT. Which fields are copied, rewritten or omitted will depend on the future engine; retention is not implemented yet.