Kev pleev xim tus dev duab tuaj yeem yog qhov nyuaj rau tus pib, tab sis muaj txiaj ntsig zoo thaum koj tuaj yeem ntes koj tus dev tus kheej tus kheej. Phau ntawv qhia no yuav coj koj mus rau txheej txheem ntawm kev pleev xim rau txhua tus tsiaj ntawm tus dev.
Cov kauj ruam
Ntu 1 ntawm 6: Kev Ua Kom Sov Sov
Kauj Ruam 1. Xyaum kos kab ncaj
Nqa ib daim ntawv thiab kos cov duab sib nrug nyob ib ncig ntawm cov npoo. Xyaum kos kab ncaj nruab nrab ntawm txhua qhov teev - qhov no yuav pab tau thaum koj tab tom nrhiav qhov sib piv thiab tso tus yam ntxwv ntawm tus dev lub taub hau.
Kauj Ruam 2. Xyaum xim sib tov
Siv lub khoos phis tawj yooj yim pleev xim rau luam tawm ib daim me me uas muaj xim sib npaug. Sib tov me me ntawm cov xim no kom raug raws li koj tuaj yeem ua nrog koj xaiv xim tsis pom kev.
- Txawm hais tias koj ua haujlwm digitally, yuav qee cov xim pheej yig thiab xyaum sib xyaw. Muaj peev xwm txheeb xyuas cov khoom sib xyaw ntawm cov xim yog qhov muaj txiaj ntsig zoo rau kev sib piv cov xim ntawm koj qhov kev kawm.
- Yog tias koj tab tom pleev xim rau xim, koj yuav tsum sim ua xim ntawm cov khoom siv tiag uas koj xav pleev xim rau. Qhov no yuav tso cai rau koj pom ua ntej yuav ua li cas cov khoom nqus thiab pleev xim sib kis uas tuaj yeem pab koj tsim cov teebmeem sib txawv.
Ntu 2 ntawm 6: Kos Duab
Txog kev pab meej ntawm kev kos duab tus yam ntxwv tiag tiag, saib ntxiv Yuav Ua Li Cas Kos Tus Aub. Cov ntu hauv qab no piav qhia qhov dav dav koom nrog hauv kev kos duab ua ntej pleev xim.
Kauj Ruam 1. Xaiv daim duab siv
Tsim cov duab tha xim uas zoo li peb sab yog yooj yim dua yog tias koj tuaj yeem txiav txim siab qhov tseeb ntawm koj cov ncauj lus. Teeb pom kev zoo yog qhov tseem ceeb los ua qhov no kom zoo.
- Xaiv cov duab siv uas muaj ib qho, muaj zog, ncaj qha lub teeb uas tsim kom pom kev sib cais ntawm lub teeb thiab duab ntxoov ntxoo. Koj tuaj yeem txheeb xyuas lub teeb pom kev ncaj qha los ntawm kev nrhiav cov duab ntxoov ntxoo nyuaj.
- Ib qho yooj yim, keeb kwm yav dhau los ua rau nws yooj yim pom cov ntsiab lus ntawm cov ncauj lus.
Kauj Ruam 2. Qhia tawm qhov feem ntawm koj qhov kev kawm
Ua kom ntseeg tau tias qhov sib piv ntawm koj cov xim pleev xim yog raug los ntawm kev teeb tsa cov yam ntxwv tseem ceeb hauv kev siv rau kev sib piv.
- Nrhiav cov kab loj ntawm kev nqis tes ua (kab liab) xws li kab nruab nrab ntawm lub taub hau lossis qaij qhov muag. Thaum kos duab hauv lwm cov yam ntxwv, sib piv lawv qhov kev tso kawm thiab kev taw qhia rau cov kab no.
- Nco tseg cov ces kaum (kab xiav) uas ib feem ntawm lub taub hau ua rau ib leeg - cov ces kaum tseem zoo ib yam tsis hais koj qhov xim me me. Xaiv cov chaw uas yooj yim rau taug qab, xws li cov ntsiab lus ntawm pob ntseg, lub qhov ntswg, thiab cov tawv tawv uas lub puab tsaig thiab dab tshos sib tshooj nrog lub caj dab.
- Qhov chaw tsis zoo (thaj chaw daj) yog cov duab tsim los ntawm thaj tsam ib puag ncig ntawm qhov kev kawm. Hauv ntau qhov xwm txheej, qhov chaw tsis zoo yog qhov yooj yim dua thiab yooj yim los txiav txim dua li cov duab hauv cov ncauj lus.
Kauj Ruam 3. Kos tus qauv hauv qab
Pib los ntawm kev kos cov kab loj ntawm kev nqis tes ua.
- Kos kab ncaj nruab nrab ntawm cov yam ntxwv tseem ceeb, ua kom ntseeg tau tias cov ces kaum raug.
- Siv cov kab yooj yim ua rau nws yooj yim los kho qhov sib piv ua ntej kos rau hauv cov ntawv nyuaj.
- Tiv thaiv kev kos cov ntsiab lus me me thiab tsom mus rau qhov raug muab tso ua cov ntawv loj tshaj.
- Daim duab yuav tsum qhia qhov tseeb. Khaws kho koj cov lus qhia kom txog thaum txhua daim ntawv yog qhov loj me.
Ntu 3 ntawm 6: Kev Phem Siab
Kauj Ruam 1. Txheeb xyuas qhov teeb pom kev yooj yim, nruab nrab, thiab qhov chaw tsaus hauv qhov siv
Nkag siab tias teeb pom kev zoo li cas rau koj cov ncauj lus yog qhov tseem ceeb tshaj plaws hauv kev ua kom koj cov duab tha xim zoo li peb sab. Cov teeb pom kev zoo yog qhov ncaj qha ntsib lub teeb ci. Muaj ob hom ntawm thaj chaw tus nqi nruab nrab:
- Cov dav hlau ntawm daim ntawv uas tig rov los ntawm lub teeb thiab tab tom yuav mus rau hauv qhov duab ntxoov ntxoo.
- Lub teeb tau tawg tawm ntawm cov khoom tom qab qhov kev kawm thiab tsoo lawv los ntawm sab nraud, tab sis tsawg dua qhov muaj zog dua li lub teeb ncaj qha. Qhov no hu ua "reflected light."
- Cov cheeb tsam tsaus ntuj yog qhov tsawg kawg ntawm lub teeb ci rau ntawm qhov kev kawm vim tias lub dav hlau ntawm daim ntawv yog tangent rau lub teeb ci, yog li lawv tsis tau txais lub teeb los ntawm sab xub ntiag lossis nraub qaum. Lawv tshwm sim nruab nrab ntawm thaj chaw muaj nuj nqis thiab raug hu ua "tub ntxhais duab ntxoov ntxoo."
Kauj Ruam 2. Xim hauv qhov tseem ceeb ntawm koj daim duab kos hauv qab
- Sib xyaw 4 qhov nruab nrab (grey) qhov tseem ceeb: lub teeb, nruab nrab, tsaus ntuj thiab tus nqi keeb kwm yav dhau. Tsis txhob sim ua kom zoo ib yam qhov txiaj ntsig vim tias cov xim hauv qab no yuav raug npog tag los ntawm cov xim kawg. Cov cheeb tsam tus nqi sib txawv tsuas yog cov cuab yeej koom nrog.
- Siv cov txiaj ntsig siv daim duab kos ua tus qhia. Ua haujlwm nrog tsuas yog plaub qhov tseem ceeb ua rau cov kauj ruam no yooj yim thiab nrawm.
- Siv txhuam loj.
- Yog tias koj muaj teeb meem tso qhov nruab nrab qhov tseem ceeb, sim pleev xim tsuas yog lub teeb thiab tsaus ua ntej ua ntej ntxiv nruab nrab.
- Kauj ruam rov qab 10 ko taw/3 metres los ntawm daim duab kom tau txais qhov kev xav tag nrho. Daim duab yuav tsum pib zoo li daim duab peb sab nrog lub teeb ci rau ntawm nws.
Ntu 4 ntawm 6: Xim
Kauj Ruam 1. Pib thov xim siv koj cov xim tha xim raws li qhia
Nov yog qhov tha xim pib zoo li tus dev siv. Siv qhov kev sib piv los sib piv, sib xyaw xim rau txhua ntu nqe txhais los ntawm koj cov xim hauv qab, thiab tso cov xim nyob hauv thaj chaw uas tau teeb tsa ua ntej nrog txhuam loj.
Tom qab cov cheeb tsam loj tshaj plaws tau pleev xim, txheej ntawm cov xim ntxiv, tab sis tseem siv txhuam loj
Kauj Ruam 2. Txheeb xyuas lub dav hlau dav dav nyob hauv qhov siv thiab kos lawv mus rau hauv cov xim ua cov lus qhia
Nrog txhua daim duab loj nyob rau hauv qhov chaw, hloov mus rau qhov txhuam txhuam nruab nrab thiab pib ua kom zoo dua cov npoo ntawm cov ntawv loj, xws li lub puab tsaig thiab cov tawv nqaij loj.
- Nws yuav muaj txiaj ntsig los kos cov lus qhia rau hauv cov xim, vim lawv tuaj yeem yooj yim npog nrog txheej tshiab.
- Kauj ruam rov qab 10 ko taw/3 meters ntawm daim duab. Qhov pom kev ntawm lub teeb yuav tsum muaj zog heev. Koj yuav hnov qab qhov ntxoov ntxoo tsuas yog pleev xim.
Ntu 5 ntawm 6: Ntxiv Cov Lus Qhia
Kauj Ruam 1. Ntxiv kom ntxaws txog lub qhov ntswg thiab qhov ncauj
Ib yam li lub cev tas li, tus nplaig thiab qhov ntswg tuaj yeem tawg ua lub dav hlau loj los npaj tawm daim ntawv. Thaum koj muaj lawv saib zoo li lub teeb ci ntsa iab ntawm lawv, mus nrog cov ntsiab lus zoo dua.
Txhawm rau ua kom lub qhov ntswg ntub, saib koj qhov kev siv rau qhov tso me me, ci, ua kom pom tseeb. Cov no hu ua "specular reflections". Lawv tshwm sim qhov twg lub teeb ci tau ua kom pom tseeb tawm ntawm qhov chaw
Kauj Ruam 2. Ntxiv kev nthuav dav rau lub qhov muag
Nco ntsoov tias qhov "dawb" ntawm lub qhov muag tsis tshua muaj xim dawb nyob rau ib puag ncig teeb pom kev zoo vim tias nws tau nkag mus rau hauv lub taub hau thiab pov rau hauv duab ntxoov ntxoo los ntawm daim tawv nqaij ib puag ncig nws. Kev ntes cov duab ntxoov ntxoo no yog tus yuam sij ua kom lub qhov muag pom tshwm rau ntawm lub ntsej muag thiab tsis yog pleev xim rau saum npoo av.
Me me, ci ntsa iab qhov tshwj xeeb ua rau lub qhov muag ci ntsa iab
Kauj Ruam 3. Ntxiv cov ntsiab lus rau pob ntseg
Lub pob ntseg tau tsim los ntawm ob peb lub dav hlau loj uas tig rau ntawm ntug.
Nco ntsoov tsim cov ntawv ua ntej ntxiv cov duab nraaj zoo li qhov me me, thiab nco ntsoov tias qhov chaw raug cuam tshuam los ntawm lub teeb thiab duab ntxoov ntxoo ntawm lub dav hlau lawv nyob ib yam
Kauj Ruam 4. Txuas ntxiv cov ntsiab lus kom txog thaum koj txaus siab rau qhov tshwm sim
Ntu 6 ntawm 6: Ua Ntej Qhov Duab Ntawm Tus Aub
Kauj Ruam 1. Ua txhua yam kom du
Tam sim no tias txhua daim ntawv nyob hauv qhov chaw thiab ntxaws ntxaws ntxaws, koj tuaj yeem rov qab mus thiab muab cov xim ntxhib ntxhib ua ke yog tias koj xav kom du dua, zoo saib zoo nkauj. Khaws lub dav hlau ciam teb ncaj ncaj, txawm li cas los xij, lossis cov duab yuav pib zoo li tsis meej pem thiab tiaj tus. Tom qab ntawd nqis rov qab 10 ko taw/3 meters los ntawm daim duab thiab txaus siab rau cov khoom tiav.
Lub tswv yim
- Tsis txhob pib nrog cov ntsiab lus. Yog tias tom qab koj paub qee yam yuav tsum tau hloov pauv, koj tsis xav kom txhua txoj haujlwm ntawd ploj mus.
- Feem ntau rov qab 10 ko taw/3 metres los ntawm koj daim duab kom tau txais qhov kev xav tag nrho. Nws yog qhov yooj yim los txiav txim siab yog tias txhua ntu ua haujlwm ua ke yog tias saib los ntawm qhov deb.
- Sim coj txhua feem ntawm daim duab pleev xim mus rau tib qib ntawm kev nthuav dav ua ke.
- Txhawm rau txhim kho qhov tob ntawm daim duab, ntxiv cov ntsiab lus rau cov khoom ua ntej, thaum tso cai rau cov khoom nyob hauv keeb kwm yav dhau los kom muaj qhov muag plooj zoo.
