iOS App-长时间曝光图片
[英]iOS App - Long time exposure image
问题描述
Is there a way to create long time exposure app to take long exposure images? 
有没有一种方法可以创建长时间曝光的应用程序以拍摄长时间曝光的图像？ The maximum exposure time that you can set is 1 second in AVFoundation. 您可以在AVFoundation中设置的最大曝光时间为1秒。 Is there another way to do it like here: https://itunes.apple.com/us/app/slow-shutter-cam/id357404131?mt=8&ign-mpt=uo%3D8 还有另一种方式可以做到： https ： //itunes.apple.com/us/app/slow-shutter-cam/id357404131？mt = 8＆ign-mpt = uo％3D8
1 个解决方案
解决方案1
2 2015-05-21 03:18:16
Think around apple. 想想苹果。
What is a long exposure shot? 什么是长时间曝光拍摄？ It's an image of several seconds worth of light data. 它是几秒钟的光数据的图像。
What if you just took several photos and combined them? 如果您只是拍了几张照片并合并了怎么办？
"Just stack the images and apply percent of opacity to the layer. “只需堆叠图像并将不透明度百分比应用于图层即可。
Lowest Layer: 100% Opacity 最低层：不透明度100％
Second lowest layer 50% Opacity 第二低的图层不透明度为50％
Third lowest layer 33 % Opacity 第三低的图层不透明度为33％
and so on." 等等。”
http://forum.luminous-landscape.com/index.php?topic=64233.0 http://forum.luminous-landscape.com/index.php?topic=64233.0
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