Re: [Boost-users] [GIL] How to create (and read) a 4 pixels per sample image type?

Subject: Re: [Boost-users] [GIL] How to create (and read) a 4 pixels per sample image type?
From: Christian Henning (chhenning_at_[hidden])
Date: 2010-06-04 16:43:44

Hi Olivier,

On Fri, Jun 4, 2010 at 6:35 AM, Olivier Tournaire <olitour_at_[hidden]> wrote:
> Hi all,
>
> I am currently trying to create and read an image which has 4 pixels per
> sample. Here is the output of tiffinfo on such an image :
>
> TIFF Directory at offset 0x8 (8)
>   Image Width: 2273 Image Length: 2256
>   Resolution: 72, 72 pixels/inch
>   Bits/Sample: 16
>   Sample Format: unsigned integer
>   Compression Scheme: None
>   Photometric Interpretation: RGB color
>   Extra Samples: 1<unspecified>
>   Samples/Pixel: 4
>   Rows/Strip: 2256
>   Planar Configuration: single image plane
>
>
> How can I achieve this gola with GIL?

I understand you have a 4 channels per pixel which of each channel is
16bits. Is that correct? Also, the color space is rgb. Did you try to
use a rgba16_image_t?

Regards,
Christian