Le 14-10-28 03:53, Le_Forgeron a écrit :
> Le 28/10/2014 04:58, CAS a écrit :
>> This is my experiment, I want to output three pictures:
>> The first is the intersection point.My aim is to get coordinates of intersection
>> point.The second is the normal vector.My aim is to get normal vector of
>> intersection point.The third is the scene image.My purpose is to check whether
>> my input is correspondence with my output.But I found the intersection and
>> normal  is wrong.I can not get the coordinates and normal of each intersection
>> point from my "intersection.bmp" and "normal.bmp".Maybe something was wrong in
>> my codes.I have uploaded my codes,expecting someone to give me a help.Thanks.
>>
>
> Your image are bmp, the range of channel in bmp (32 bits true color) is
> too small for the information you want.
>
> Give a try to HDR output (+FH).
>
> http://megapov.inetart.net/manual-1.2.1/megapov0121.html#hdr
>
> Next step: having a look in source code of megapov to understand the
> data provided by f_output_*
>
> A shame there is no sample scene for pprocess with intersection or normal.
>
>
>

An alternative would be to use +fn16 to generate a PNG image at 16 bit 
per channel.

Post a reply to this message