RAW and in format. It is a simple HOWTO listing the available and how to use them.

Preparing thes

Start by dcraw[*] to readfiles and batch convert them into portablper channel PPMindex.php?=PPM&action=edit&redlink=1files. RAW pictures from my Nikon 8700 have a .nef extension, so the command looks something like this: 

 dcraw -v -w -4 dscn*.nef

Note that although">a>,NonaNona">nonaEnblendEnblend">enblendsupportDRHDR">HDRfloating-point data, there is no real loss convertingdata tocolour depth as RAW are typically only 12bit in the first place. If you need a greaterDynamic_rangeDynamic range">dhan found in, it is possible to combineBracketingBracketing">bedexposures in a">HDRa>.

These are not readable by or, sonext step is to use to creat TIFFTIFF">TIFFconvert -rotate 270 -gamma 2.2 dscn3088.ppm dscn3088.tif 99...

Note that I datsame time since these arePortraitPortrait">phots. GammaGamma">Gammacorre is also applied at this stage sinceis generally linear and difficult to vieoutColour_profileCprofile">management (not yet supported)You can now delet intermediateAltively UFRawUFRawcan be used forentiresion fromIf necessary, correchromatic_aberratioChromatic aberration">cFullaFulla">fullaat this stageStitchStitchThe can be loaded intoas per usual except:EXIFEXIF">EXInform aboutield_of_Viewield of View">as lost duringstagefield of view will need to be re-entered manually, re-optimisedPTOptimizerTOptimizer">PTOptimizertransferred fromRAWexiftoolExiftoole -tagsfromfile DSCN3088.nef -overwrite_original_in_place -exif:all DSCN3088.tifs per usuala, youusEas the final stepyouworkinglinear (g= 1) data, then you should apply a of 2.2 on the remappedfter snona but before runningmogrifymyproject_*oocessingost processingis is in RGBA format, which is not viewin most viewers or web-browsersran extra step neededport:Openle in aaware editor such as cinepaintCinepaintor kritaKrita, tweakcs, retouch or apply a contrast mask and finally savn 8format such aJPEGJPEG">JPEGget very good results by simplyICC for your camera and to sRGB -space, lcmsLcmsprovidesifficc tool for doing justifficc -i mycamera.icm myproject.tif output