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Last active September 26, 2023 05:29
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  • Save aspose-com-gists/a92caf58451cdcc1d9f90a180eaa7099 to your computer and use it in GitHub Desktop.
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Create and Read OMR Sheet with Barcode in C#
// 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");
// 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);
{
"Version": "1.0",
"Name": "MyTemplate",
"Pages": [
{
"Height": 3508,
"Width": 2480,
"Elements": [
{
"Type": "Grid",
"Name": "ID",
"Width": "610",
"Height": "805",
"Top": "779",
"Left": "328",
"AlignedHorizontally": false,
"AlignedVertically": false,
"Elements": [
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "331",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "333",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "333",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "333",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "333",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "333",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "333",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "333",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "333",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "333",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "333",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "406",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "408",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "408",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "408",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "408",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "408",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "408",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "408",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "408",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "408",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "408",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "481",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "483",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "483",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "483",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "483",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "483",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "483",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "483",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "483",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "483",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "483",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "556",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "558",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "558",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "558",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "558",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "558",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "558",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "558",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "558",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "558",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "558",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "631",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "633",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "633",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "633",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "633",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "633",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "633",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "633",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "633",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "633",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "633",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "706",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "708",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "708",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "708",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "708",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "708",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "708",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "708",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "708",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "708",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "708",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "781",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "783",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "783",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "783",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "783",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "783",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "783",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "783",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "783",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "783",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "783",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": null,
"Width": "75",
"Height": "795",
"Top": "782",
"Left": "856",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "0",
"Top": "784",
"Left": "858",
"IsValid": true
},
{
"Value": "1",
"Top": "864",
"Left": "858",
"IsValid": true
},
{
"Value": "2",
"Top": "944",
"Left": "858",
"IsValid": true
},
{
"Value": "3",
"Top": "1024",
"Left": "858",
"IsValid": true
},
{
"Value": "4",
"Top": "1104",
"Left": "858",
"IsValid": true
},
{
"Value": "5",
"Top": "1184",
"Left": "858",
"IsValid": true
},
{
"Value": "6",
"Top": "1264",
"Left": "858",
"IsValid": true
},
{
"Value": "7",
"Top": "1344",
"Left": "858",
"IsValid": true
},
{
"Value": "8",
"Top": "1424",
"Left": "858",
"IsValid": true
},
{
"Value": "9",
"Top": "1504",
"Left": "858",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
}
],
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "Question1",
"Width": "2080",
"Height": "158",
"Top": "1737",
"Left": "305",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "1737",
"Left": "305",
"IsValid": true
},
{
"Value": "B",
"Top": "1737",
"Left": "1345",
"IsValid": true
},
{
"Value": "C",
"Top": "1837",
"Left": "305",
"IsValid": true
},
{
"Value": "D",
"Top": "1837",
"Left": "1345",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "Question2",
"Width": "2080",
"Height": "79",
"Top": "1997",
"Left": "305",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "1997",
"Left": "305",
"IsValid": true
},
{
"Value": "B",
"Top": "1997",
"Left": "1345",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "Question3",
"Width": "2080",
"Height": "79",
"Top": "2157",
"Left": "305",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2157",
"Left": "305",
"IsValid": true
},
{
"Value": "B",
"Top": "2157",
"Left": "1345",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "Question4",
"Width": "2080",
"Height": "79",
"Top": "2390",
"Left": "305",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2390",
"Left": "305",
"IsValid": true
},
{
"Value": "B",
"Top": "2390",
"Left": "1345",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions5",
"Width": "295",
"Height": "70",
"Top": "2649",
"Left": "320",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2649",
"Left": "320",
"IsValid": true
},
{
"Value": "B",
"Top": "2649",
"Left": "395",
"IsValid": true
},
{
"Value": "C",
"Top": "2649",
"Left": "470",
"IsValid": true
},
{
"Value": "D",
"Top": "2649",
"Left": "545",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions8",
"Width": "295",
"Height": "70",
"Top": "2649",
"Left": "822",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2649",
"Left": "822",
"IsValid": true
},
{
"Value": "B",
"Top": "2649",
"Left": "897",
"IsValid": true
},
{
"Value": "C",
"Top": "2649",
"Left": "972",
"IsValid": true
},
{
"Value": "D",
"Top": "2649",
"Left": "1047",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions11",
"Width": "295",
"Height": "70",
"Top": "2649",
"Left": "1324",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2649",
"Left": "1324",
"IsValid": true
},
{
"Value": "B",
"Top": "2649",
"Left": "1399",
"IsValid": true
},
{
"Value": "C",
"Top": "2649",
"Left": "1474",
"IsValid": true
},
{
"Value": "D",
"Top": "2649",
"Left": "1549",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions14",
"Width": "295",
"Height": "70",
"Top": "2649",
"Left": "1826",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2649",
"Left": "1826",
"IsValid": true
},
{
"Value": "B",
"Top": "2649",
"Left": "1901",
"IsValid": true
},
{
"Value": "C",
"Top": "2649",
"Left": "1976",
"IsValid": true
},
{
"Value": "D",
"Top": "2649",
"Left": "2051",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions6",
"Width": "295",
"Height": "70",
"Top": "2729",
"Left": "320",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2729",
"Left": "320",
"IsValid": true
},
{
"Value": "B",
"Top": "2729",
"Left": "395",
"IsValid": true
},
{
"Value": "C",
"Top": "2729",
"Left": "470",
"IsValid": true
},
{
"Value": "D",
"Top": "2729",
"Left": "545",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions9",
"Width": "295",
"Height": "70",
"Top": "2729",
"Left": "822",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2729",
"Left": "822",
"IsValid": true
},
{
"Value": "B",
"Top": "2729",
"Left": "897",
"IsValid": true
},
{
"Value": "C",
"Top": "2729",
"Left": "972",
"IsValid": true
},
{
"Value": "D",
"Top": "2729",
"Left": "1047",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions12",
"Width": "295",
"Height": "70",
"Top": "2729",
"Left": "1324",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2729",
"Left": "1324",
"IsValid": true
},
{
"Value": "B",
"Top": "2729",
"Left": "1399",
"IsValid": true
},
{
"Value": "C",
"Top": "2729",
"Left": "1474",
"IsValid": true
},
{
"Value": "D",
"Top": "2729",
"Left": "1549",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions15",
"Width": "295",
"Height": "70",
"Top": "2729",
"Left": "1826",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2729",
"Left": "1826",
"IsValid": true
},
{
"Value": "B",
"Top": "2729",
"Left": "1901",
"IsValid": true
},
{
"Value": "C",
"Top": "2729",
"Left": "1976",
"IsValid": true
},
{
"Value": "D",
"Top": "2729",
"Left": "2051",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions7",
"Width": "295",
"Height": "70",
"Top": "2809",
"Left": "320",
"AlignedHorizontally": false,
"AlignedVertically": false,
"BubbleHeight": 70,
"BubbleWidth": 70,
"Bubbles": [
{
"Value": "A",
"Top": "2809",
"Left": "320",
"IsValid": true
},
{
"Value": "B",
"Top": "2809",
"Left": "395",
"IsValid": true
},
{
"Value": "C",
"Top": "2809",
"Left": "470",
"IsValid": true
},
{
"Value": "D",
"Top": "2809",
"Left": "545",
"IsValid": true
}
],
"Multiselect": false,
"Orientation": "Horizontal"
},
{
"Type": "ChoiceBox",
"Name": "MainQuestions10",
"Width": "295",
"Height": "70",
"Top": "2809",
"Left": "822",
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?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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