C# Create OMR Question and Answer Sheet Checker or Scanner Software

CreateOMR.cs

// initialize OMR engine
OmrEngine engine = new OmrEngine();

// call template generation providing path to the txt file with markup
GenerationResult res = engine.GenerateTemplate(Path.Combine(testFolderPath, "Grid.txt"));

// check in case of errors
if (res.ErrorCode != 0)
{
    Console.WriteLine("ERROR CODE: " + res.ErrorCode);
}

// you can use either of the following approaches
// save generation result: PDF and .omr template
res.SaveAsPdf(testFolderPath , "Grid");
// save generation result: image and .omr template
res.Save(testFolderPath, "Grid");

PerformOMR.cs

string TemplateName = @"Sheet.omr";
string[] UserImages = new string[] { "Sheet1.jpg" };

// input and output preparation
string testFolderPath = dataDir;
string templatePath = Path.Combine(testFolderPath, TemplateName);

// actual OMR API calls
OmrEngine engine = new OmrEngine();
TemplateProcessor templateProcessor = engine.GetTemplateProcessor(templatePath);
Console.WriteLine("Template loaded.");

for (int i = 0; i < UserImages.Length; i++)
{
    string imagePath = Path.Combine(testFolderPath, UserImages[i]);
    string csvResult = templateProcessor.RecognizeImage(imagePath).GetCsv();

    File.WriteAllText(Path.Combine(outputPath, Path.GetFileNameWithoutExtension(UserImages[i]) + ".csv"), csvResult);
    Console.WriteLine("Result exported. Path: " + Path.Combine(testFolderPath, Path.GetFileNameWithoutExtension(UserImages[i]) + ".csv"));
}