Haske, yana aiki da hotunan HDR daga Ubuntu

Hotunan HDR (manyan hotuna masu saurin motsi) Sun zo ne kamar karkatarwa ga al'adun gargajiya na daukar hoto. Sabbin samfuran kyamara sun haɗa na'urori don ɗaukar hotuna da yawa na wannan batun tare da nunawa daban-daban (wanda ake kira "ƙwanƙwasa"). Hatta suna iya aiwatar da waɗannan hotunan kuma su ba ku babban hoto mai nisa wanda zai dawo muku ba tare da yin komai ba. Ina tsammani akwai wata wayar hannu da zata iya yi, ban sani ba. Gaskiyar ita ce HDR yana wurin, don haka hanya mai sauƙi ta aiki tare da waɗannan hotunan dole ne ya kasance a cikin Linux. Abin da ya sa aka haɓaka Luminance HDR.

Haske irin wannan tsoffin soja ne wanda har yake da lokacin canza sunan shi, kafin a san shi da suna «Qtpfsgui». Abin farin cikin shine wadanda suka kirkireshi suna da lafiyayyan ra'ayi na bashi sunan dan adam. Na bar nan naka shafin aikin hukuma.

Haske HDR 2.5.1 Shine sabon tsarin barga na shirin. Na karshen sigar bug fix ce tare da wasu ƙananan ci gaba akan juzu'an da suka gabata.

Wasu daga cikin canje-canje waɗanda wannan sabon sigar ya kawo mana sune masu zuwa:

• An inganta ƙofar don daidaita matakan kuma an zaɓi shi.
• Ara maɓallin fasalin fasalin zaɓi.
• Cikakken kewaya hoton allo.
• Yanzu zaku iya bincika takaddun kan layi.

Idan wani yana son sanin wane sabon labari wannan sabon sigar zai samar mana, zasu iya tuntubar wadannan mahada.

Tsarin da Luminance HDR ke tallafawa

Luminance HDR shiri ne (wanda ya danganci Qt5 toolkit) wanda ke ba mai amfani da cikakken aikin dubawa don hotunan HDR. Wannan shirin yana tallafawa tsarin HDR masu zuwa: OpenEXR (exr), Tsarin Tiff: rago 16, rago 32 da LogLuv (tiff) da kuma hotunan hoto da sauransu. Hakanan ya dace da JPEG, PNG, PPM, PBM. Kuna iya bincika duk tsarin tallafi akan gidan yanar gizon ta ko daga shirin da kanta.

Luminance HDR Installation

Zamu iya shigar da wannan shirin a cikin nau'ikan Ubuntu daban-daban; daga 16.04, 16.10, 17.04 da dangoginsu. Hakanan daga gidan yanar gizon ta zaka iya saukar da aikace-aikacen don sauran tsarin aiki, kamar Windows ko Mac OS. Dukansu 64-bit.

A ci gaba da girkawa don Ubuntu za mu buɗe tashar ta danna Ctrl + Alt + T ko bincika "Terminal" a cikin tsarin Dash. Don haka kawai ku bi matakan da ke gaba:

Da farko zamu kara ma'ajiyar da ta dace don zazzage ta. Muna aiwatar da umarnin don ƙara wurin ajiyar PPA:

sudo add-apt-repository ppa:dhor/myway

Kamar koyaushe, tsarin zai buƙaci mu rubuta kalmar sirrin mai gudanarwa.

Idan da mun riga mun shigar da sigar da ta gabata, za mu iya ƙaddamar da Sabunta Software (Sabunta Manajan andaukakawa) kuma sabunta shi a sauƙaƙe. Idan ba haka ba, zamu ci gaba da girkawa ta hanyar aiwatar da waɗannan umarni don sabunta wuraren ajiya da girka Luminance HDR:

sudo apt update && sudo apt install luminance-hdr

Da zarar an gama shigarwar, za mu iya gudanar da shi ta hanyar neman sa a cikin tsarin Dash.

Aikace-aikacen kanta tana nuna aiki mai sauƙi. Yana neman tare da nasara mai dacewa daidaituwa mai wuya tsakanin bukatun masu amfani da ci gaba da sauƙi na amfani don farawa tare da shirin. Sakamakon shine shirin da, kasancewa cikakke kuma cike da zaɓuɓɓuka, na iya sassaka hotunan HDR a cikin dakika tare da dannawa sau biyu.

Cire Luminance HDR

Za'a iya cire wurin ajiyar PPA daga Saitunan Tsarin -> Software da Sabuntawa -> Sauran Shirye-shiryen. Hakanan zamu iya amfani da umarni mai zuwa, wanda hakan kuma zai cire kayan aikin da aka sanya kuma tsaftace sauran fakitin:

sudo add-apt-repository -–remove ppa:dhor/myway  && sudo apt -–purge remove luminance-hdr && sudo apt autoremove

Don ƙare, bayyana cewa wannan shirin ba Photoshop ni Gimp. Dole ne kuma koyaushe mu tuna cewa a cikin wannan batun ɗaukar hoto muhimmin abu shine hoton da kanta da kuma hanyar ɗaukar shi, fiye da software da muke sarrafa hotunan da ita. Tare da Haskewa dole ne ku kula cewa hotunan mu sunyi daidai, saboda haka yana da kyau a ɗauki hotunan ta amfani da masarufi.

A takaice, Luminance wani shiri ne wanda yakamata ya zama wani ɓangare na kayan aikinmu na Linux idan muna da sha'awar ɗaukar hoto.