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Last active September 26, 2023 05:29
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Create and Read OMR Sheet with Barcode in C#
Raw
omr-with-barcode-in-csharp_generate.cs
// Input and output files directory
string dataDir = "C:\\Files\\";
// Initialize engine
OmrEngine engine = new OmrEngine();
GenerationResult res = engine.GenerateTemplate(Path.Combine(dataDir, "OMRTestWithBarcode.txt"));
// Check in case of errors
if (res.ErrorCode != 0)
{
Console.WriteLine("ERROR: " + res.ErrorCode + ": " + res.ErrorMessage);
}
// Save generation result: image and .omr template
res.Save(dataDir, "OMRTestWithBarcode");
Raw
omr-with-barcode-in-csharp_read.cs
// This code example demonstrates how to perform OMR on an image and extract data
// OMR Template file path
string TemplateName = @"OMRTestWithBarcode.omr";
string UserImage = @"OMRTestWithBarcode.png";
// Input and output files path
string dataDir = "C:\\Files\\";
string templatePath = Path.Combine(dataDir, TemplateName);
// Initialize OMR Engine
OmrEngine engine = new OmrEngine();
TemplateProcessor templateProcessor = engine.GetTemplateProcessor(templatePath);
Console.WriteLine("Template loaded.");
// Get results in CSV
string imagePath = Path.Combine(dataDir, UserImage);
string csvResult = templateProcessor.Recognize(imagePath).GetCsv();
// Save CSV file
File.WriteAllText(Path.Combine(dataDir, Path.GetFileNameWithoutExtension(UserImage) + ".csv"), csvResult);
Console.WriteLine("Result exported. Path: " + Path.Combine(dataDir, Path.GetFileNameWithoutExtension(UserImage) + ".csv"));
Console.WriteLine(csvResult);
Raw
omr-with-barcode-in-csharp_template.omr
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"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions10",
"Width": "295",
"Height": "70",
"Top": "2809",
"Left": "822",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2809",
"Left": "822",
"IsValid": true
},
{
"Value": "B",
"Top": "2809",
"Left": "897",
"IsValid": true
},
{
"Value": "C",
"Top": "2809",
"Left": "972",
"IsValid": true
},
{
"Value": "D",
"Top": "2809",
"Left": "1047",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions13",
"Width": "295",
"Height": "70",
"Top": "2809",
"Left": "1324",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2809",
"Left": "1324",
"IsValid": true
},
{
"Value": "B",
"Top": "2809",
"Left": "1399",
"IsValid": true
},
{
"Value": "C",
"Top": "2809",
"Left": "1474",
"IsValid": true
},
{
"Value": "D",
"Top": "2809",
"Left": "1549",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions16",
"Width": "295",
"Height": "70",
"Top": "2809",
"Left": "1826",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2809",
"Left": "1826",
"IsValid": true
},
{
"Value": "B",
"Top": "2809",
"Left": "1901",
"IsValid": true
},
{
"Value": "C",
"Top": "2809",
"Left": "1976",
"IsValid": true
},
{
"Value": "D",
"Top": "2809",
"Left": "2051",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "Barcode",
"Name": "AsposeWebsite",
"Width": "360",
"Height": "360",
"Top": "250",
"Left": "1900",
"BarcodeType": "QR",
"QrVersion": 1
},
{
"Type": "ReferencePoint",
"Name": "ReferencePoint0",
"Width": "125",
"Height": "125",
"Top": "24",
"Left": "24",
"ReferenceType": "Corner"
},
{
"Type": "ReferencePoint",
"Name": "ReferencePoint1",
"Width": "125",
"Height": "125",
"Top": "24",
"Left": "2331",
"ReferenceType": "Corner"
},
{
"Type": "ReferencePoint",
"Name": "ReferencePoint2",
"Width": "125",
"Height": "125",
"Top": "3359",
"Left": "24",
"ReferenceType": "Corner"
},
{
"Type": "ReferencePoint",
"Name": "ReferencePoint3",
"Width": "125",
"Height": "125",
"Top": "3359",
"Left": "2331",
"ReferenceType": "Corner"
},
{
"Type": "ReferencePoint",
"Name": "ReferencePoint4",
"Width": "125",
"Height": "173",
"Top": "322",
"Left": "2331",
"ReferenceType": "Rotation"
}
],
"ImageFormat": ".png",
"ImageName": null,
"RotationPointPosition": "TopRight1"
}
],
"TemplateId": "",
"FinalizationComplete": false,
"IsGenerated": true
}
Raw
omr-with-barcode-in-csharp_text.txt
?barcode=AsposeWebsite
value=aspose.com
barcode_type=qr
qr_version=1
x=1900
y=250
height=360
?grid=ID
sections_count=8
#What is Aspose.OMR main function?
() OCR () Capture human-marked data
() There is no main function () Enhance images
#Can Aspose.OMR process not only scans, but also photos?
() Yes, indeed! () No
#Aspose.OMR is available on any platform, because it is:
() Cross-platform code () Cloud service
#Aspose.OMR works with any kind of OMR forms: tests, exams, questionnaires, surveys, etc.
() Yes, indeed! () No
?text= Answer sheet section
?answer_sheet=MainQuestions
elements_count=12
columns_count=4
?text=Sign________________________________
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