Sha'awa,, Digital daukar hoto
Mene ne sikelin? Scale hotunan, maps sikelin
Dukanmu mun san abin da sikelin. Wannan rabo ne mikakke a cikin size na al'ada zana wakilci na gaskiya dabi'u na sũranta abu. Wancan ne, shi ne ya kiyaye da wasu rabbai a lokacin aikace-aikace na wani zane ko hoto tace hotuna.
Mene ne sikelin, kuma me ya sa kana bukatar shi
Irin wannan hanya na watsa daga cikin image amfani da duk abinda ya daga maps da kuma zane da kuma kawo karshen tare da saba hotuna. Amma shi ke kawai ba ko da yaushe zai yiwu su haifa da ake so image a full size. A wannan yanayin, ya zo da taimakon da sikelin. Godiya ga shi an image za a iya rage ko kara, yayin da mutunta dole rabbai wanda aka nuna a cikin zane-zane. Mene ne sikelin da muka riga sani, don haka bari mu magana game da nau'o'i biyu na da shi.
zuƙowa hawa
Wannan irin da ake amfani a cikin akwati inda image rai-size muhimmanci fiye da karami a cikin zane-zane. A wannan yanayin, a wani akwatin nuna rabbai ba image (2: 1, 8: 1, 16: 1, 150: 1, da sauransu). Rabbai ya kamata a fahimci kamar haka: dama adadi ya nuna cewa dukan zane kamata a raba santimita (msl., 1 cm), da kuma hagu - sau nawa da abu ne rage by 1 santimita jawo image. Wannan shi ne, idan muna da nadi na 2: 1, yana nufin cewa 1 santimita line zane da dama 0.5 santimita abu.
zuƙowa fita
Wannan irin aka yi amfani a yanayin saukan idan abu da cewa kana so ka nuna, da ya fi yadda da zane girma. A wani musamman shafi rabbai, mu saka sau nawa da abu ne mafi girma daga cikin image (misali, 1: 2, 1: 250, 1: 1000 da sauransu). A bar adadi ya nuna yadda mutane da yawa santimita zane ya kamata a raba (msl., 1 cm), da kuma dama - kamar yadda aunawa raka'a asusu na 1 santimita. Alal misali, muna da wani taswira nuna sikelin na 1: 2.000.000, duba, wannan yana nufin cewa 1 santimita katin asusun 2.000.000 santimita yanki (ko 20,000 mita, ko nisan kilomita 20 da 1 santimita).
Yadda za a mayar da girman hotuna
Very sauki magance tare da shiri na maps ko zane, amma wannan shi ne abin da sikelin da hotuna, shi ne quite wuyar fahimta. Irin wannan images da daban-daban ji sigogi, wato ƙuduri, wanda ya dogara a kan yawan pixels dake a cikin image. Hawa images, kana bukatar ka kula da yawan pixels, domin muhimmanci da kara girman hoton da kananan yawan pixels, mun deteriorate ta inganci da mataimakin versa. Akwai daban-daban shirye-shirye da cewa za a iya amfani da su aiwatar da wadannan ayyukan, da image quality zama mafi muni. Su manufa da aiki dogara ne a kan kara yawan pixels a ba hoto, game da shi kara da ƙuduri, Ina nufin girman da sake bugawa image. Irin shirye-shiryen za a iya samu a sana'a Stores ko sauke daga intanet, amma shi ne mafi kyau saya lasisi ƙafafun, da kuma ba download pirated kofe na wanda zai iya kaskantar da wasan kwaikwayon na kwamfutarka kuma yin shi ba zai yiwu ba ga aiwatar da hotuna a kan shi.
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