![]() ![]() The Client Side will be able to communicate with the Document Service, allowing the Image Data processing, and returning the OCR's text from the image. After running the csproj Document Service project in Visual Studio, the webpage will show that the service is listening. Open the DocumentService.csproj and run the project using IIS Express. NET FrameWork Document Service is able to uploadDocumentBlob, so this will not function with the. NET Framework Document Service project is located at \LEADTOOLS21\Examples\JS\Services\DocumentServiceDotNet\fx. NET Framework Document Service is required. In order to run this application successfully, the LEADTOOLS. function showServiceError(jqXHR, statusText, errorThrown) ) Var documentViewer, serviceStatus, output, exampleButton // Parses error information. this endpoint will tell Google to use the Vision API. file name: helperFunctions.js const APIKEY APIKEYHERE //put your key here. ![]() This file will contain the utility functions that we will use throughout the project. Add the following code inside the new class. Further to create a text detector in React Native, we will develop the file called helperFunctions.js. Add a new class called DocumentHelper after the set license call. Creation of ltlogic.js is covered in the Add References and Set a License tutorial. Open ltlogic.js in a text editor, this file should be situated in the /public/common folder within the project structure. With the project created, the references added, and the license set, coding can begin. Add the below necessary script tags inside the head to import LEADTOOLS dependencies.Īdd a DocumentHelper class to the ltlogic.js Open the index.html file in the public folder. If a Deployment license file and developer key are required, refer to Obtaining a License.Īdding LEADTOOLS local references and setting a license are covered in more detail in the Add References and Set a License tutorial. Evaluation license, obtained at the time the evaluation toolkit is downloaded. In this React Native QR code scanner tutorial, the app we create will be able to read QR codes in real time and render their content to the screen at the.For details, including tutorials for different platforms, refer to Setting a Runtime License. It must be set before any toolkit function is called. The License unlocks the features needed for the project. Make sure to copy these files to the public\common folder and import them in the public\index.html file. For this project, the following JS files are needed and located at \LEADTOOLS21\Bin\Bin\JS: The references needed depend upon the purpose of the project. Then run the following command: Yarn create react-app appname To create the project structure open the command line console and cd into the location where the project is to be created. If yarn is not installed, it can be found on:Ĭreate the Project and Add LEADTOOLS References Make sure that Yarn is installed so that creating a React application can be done quickly via the command line. Get familiar with the basic steps of creating a project by reviewing the Add References and Set a License and Display Images in an ImageViewer tutorials, before working on the Extract Text from Image with OCR - React JS tutorial. Visual Studio - Service
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