Improve the detection of metadata for sub-datasets ( SENTINEL1 SAFE, ...)
It was implemented to solve #1589 (closed).
Classes and files
In a nutshell, we can use the list of files attached to a dataset (see
GDALDataset::GetFileList() ) as a final step when looking for OSSIM sensor models.
This list is stored in
otb::ImageIOBase, empty by default. Only
GDALImageIO can fill it for now. The
ImageFileReader will try this list when no keywordlist has been found so far.
A tests has been added in
OTBImageIO to verify the loading of a keywordlist from a VRT file.
The SoftwareGuide has been updated (sensor model section).
The following use cases are now working:
|Input path||Keywordlist detected ?|
|S1A_IW_SLC_[...].SAFE||Yes: IW1 image|
|S1A_IW_SLC_[...].SAFE/manifest.xml||Yes: IW1 image|
|SENTINEL1_DS:S1A_IW_SLC_[...].SAFE:IW2_VV||Yes: IW2 image|
|S1A_IW_SLC_[...].SAFE?sdataidx=2||Yes: IW3 image|
|iw1_vv_vh.vrt (stack of VV and VH)||Yes: IW1 VV image|
As shown, it also works with VRT files, it can load the metadata from the first raster source. This enables the orthorectification of sensor images in a VRT stack.
At the moment, any geom file associate with an attached file is ignored, but this could be added if there is a valid use case.
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