我使用下面的方法来添加的Tesseract在我的项目Tessdata没有在文件目录复制
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Set up the tessdata path. This is included in the application bundle
// but is copied to the Documents directory on the first run.
NSArray *documentPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentPath = ([documentPaths count] > 0) ? [documentPaths objectAtIndex:0] : nil;
NSString *dataPath = [documentPath stringByAppendingPathComponent:@"tessdata"];
NSFileManager *fileManager = [NSFileManager defaultManager];
// If the expected store doesn't exist, copy the default store.
if (![fileManager fileExistsAtPath:dataPath]) {
// get the path to the app bundle (with the tessdata dir)
NSString *bundlePath = [[NSBundle mainBundle] bundlePath];
NSString *tessdataPath = [bundlePath stringByAppendingPathComponent:@"tessdata"];
if (tessdataPath) {
[fileManager copyItemAtPath:tessdataPath toPath:dataPath error:NULL];
}
}
setenv("TESSDATA_PREFIX", [[documentPath stringByAppendingString:@"/"] UTF8String], 1);
// init the tesseract engine.
tesseract = new tesseract::TessBaseAPI();
tesseract->Init([dataPath cStringUsingEncoding:NSUTF8StringEncoding], "eng");
}
return self;
}
训练的数据得到以下错误
Error opening data file /Users/frf/Library/Application Support/
iPhone Simulator/6.1/Applications/686F83C8-526C-47FB-9F02-
E44FBE69F60B/Documents/tessdata/eng.traineddata
tessdata不被复制到文档目录中。我该怎么办 ?
请建议编辑我上面的代码......
你为什么不检查复制成功也许在这里得到错误'[fileManager copyItemAtPath:tessdataPath toPath:dataPath error:NULL];'?错误对象不是为了好玩而传递的,所以请使用它们! – Volker