private static async Task <List <Img> > GetImagesFromDataset(Project project, string resourcesPath, string imagesDataset, CloudFileShare share = null, string mode = "url")
{
List <Img> images = new List <Img>();
IEnumerable <ICsvLine> dataset = null;
try
{
string path = Path.GetFullPath(resourcesPath + imagesDataset);
Console.WriteLine($"\nImages dataset: '{path}'");
dataset = LoadDataset(path);
}
catch (Exception e)
{
Console.WriteLine($"\n{e.GetType().Name}: Error loading image dataset.");
}
if (dataset != null)
{
try
{
foreach (var line in dataset)
{
Img img = null;
if (mode == "url")
{
if (share == null)
{
Console.WriteLine($"\nNo file share was provided, upload images using files instead.");
}
else
{
img = await GetImageFromURL(project, line, share);
}
}
else
{
img = await GetImageFromFile(project, line, resourcesPath);
}
images.Add(img);
}
Console.WriteLine($"\nImage dataset created: {images.Count} images found.");
}
catch (Exception e)
{
Console.WriteLine($"\n{e.GetType().Name}: Error getting images.");
}
}
return(images);
}
private static async Task <Img> GetImageFromFile(Project project, ICsvLine line, string resourcesPath)
{
Img img = new Img();
string imgpath = "";
string tags = "";
try
{
imgpath = line["sourcefile"];
img.filepath = Path.GetFullPath(resourcesPath + "/trainingImages/" + imgpath);
tags = line["tags"];
}
catch (Exception e)
{
Console.WriteLine($"\n{e.GetType().Name}: Could not get source file name and tags from csv file.");
throw;
}
string[] tagsList = tags.Split(',');
foreach (string t in tagsList)
{
try
{
Tag tag = await GetTag(project, t);
img.tags.Add(tag);
}
catch (Exception e)
{
Console.WriteLine($"\n{e.GetType().Name}: Could not get tag from project.");
throw;
}
}
return(img);
}
private static async Task <Img> GetImageFromURL(Project project, ICsvLine line, CloudFileShare share)
{
Img img = new Img();
string url = "";
string tags = "";
try
{
url = line["sourcefile"];
img.url = AzureStorageHelpers.GetFileURL(url, share);
tags = line["tags"];
}
catch (Exception e)
{
Console.WriteLine($"\n{e.GetType().Name}: Could not get source file name and tags from csv file.");
throw;
}
string[] tagsList = tags.Split(',');
foreach (string t in tagsList)
{
try
{
Tag tag = await GetTag(project, t);
img.tags.Add(tag);
}
catch (Exception e)
{
Console.WriteLine($"\n{e.GetType().Name}: Could not get tag from project.");
throw;
}
}
return(img);
}
