iPhone EXIF 数据
我正在使用我正在拍摄的照片中的 iPhone EXIF 数据。
目前我返回的 EXIF 数据是：
{
ApertureValue = "2.970854";
ColorSpace = 1;
ComponentsConfiguration = (1,2,3,);
ExifVersion = (2,2,1);
ExposureMode = 0;
ExposureProgram = 2;
ExposureTime = "0.03333334";
FNumber = "2.8";
Flash = 16;
FlashPixVersion = (1,0);
FocalLength = "3.85";
ISOSpeedRatings = (500);
MeteringMode = 3;
PixelXDimension = 640;
PixelYDimension = 480;
SceneCaptureType = 0;
SensingMethod = 2;
Sharpness = 2;
ShutterSpeedValue = "4.911055";
SubjectArea = (319,239,230,172);
WhiteBalance = 0;
}
我希望能够添加一些字段，例如地理位置、日期和时间。 如何指定我想要返回的新密钥？ 有人知道这在 ios 4.1 中是如何实现的吗？
I am using the iPhone EXIF data from a photo that I am capturing.
Currently the EXIF data I am getting back is:
{
ApertureValue = "2.970854";
ColorSpace = 1;
ComponentsConfiguration = (1,2,3,);
ExifVersion = (2,2,1);
ExposureMode = 0;
ExposureProgram = 2;
ExposureTime = "0.03333334";
FNumber = "2.8";
Flash = 16;
FlashPixVersion = (1,0);
FocalLength = "3.85";
ISOSpeedRatings = (500);
MeteringMode = 3;
PixelXDimension = 640;
PixelYDimension = 480;
SceneCaptureType = 0;
SensingMethod = 2;
Sharpness = 2;
ShutterSpeedValue = "4.911055";
SubjectArea = (319,239,230,172);
WhiteBalance = 0;
}
I want to be able to add some fields such as geolocation, date and time.
How can I specify new keys that I want returned?
Anyone know how this is possible in ios 4.1?
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我最近也在为同样的事情而苦苦挣扎。请参阅我对这个问题的回答，其中展示了如何进行地理标记和日期时间。
I recently struggled with the same thing. See my answer to this question which shows how to do geotagging and datetime.