I downloaded and use Aspose.OMR.Client to generate template. The result is good, but the app just generate 4 reference points. It’s not compatible with lastest version of Aspose.OMR for .NET. I must downgrade version from lastest to older version.
I saw that the app OMR.Client don’t have any maintaince for 2 years. I just want to know does Aspose have any plan to update this free tool to generate the template from image, and are you have any solution else to generate template (.omr file) from an designed image. I try to use json markup, but it cannot generate the exactly what I want. Here is my exampletemplate.jpg (269.8 KB)
We have plans for near future to provide solution to mark bubbles on existing template. We cannot say at the moment exactly in which version it will be done. However, a ticket as OMRNET-901 has been generated for your case. We will let you know as soon as it is resolved.
About the Aspose.OMR.Client App, we are collecting information and will get back to you shortly.
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more than 6 months and I am still waiting the new update of Aspose.OMR.Client 
if you have any update, or any solution difference to generate .omr file from existed images, please let me know. Thanks
We apologize for the delay in the ticket resolution. We are afraid that it could not be resolved due to other issues in the queue.
Aspose.OMR.Client was developed for experimental purposes. At the moment we are not engaged in its support and development. We have planned to develop and release the web version by the end of the year. Until that time, you can use the existing Aspose.OMR.Client with older versions of the library.
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Hello, @oliver.dang1203
Web version: OMR sheet designer.
This app allows for visually creating new OMR forms by simply dragging elements on the sheet (without writing text/JSON markup code). Additionally, it allows to align bubbles to an existing form template (such as a scan), making it possible to “convert” customer forms into Aspose.OMR format.