Is it possible to use OpendTect with remote access?

[Samuel Correa]

Hi Paul, Hi everyone!
 
     I would like to know if is it possible for a user to use OpendTect for 3D seismic interpretation efficiently using remote access software to a physical machine, such as Teamviewer. My question stems from the fact that we have a problem with the number of users for the same machine at the institute where I work. I also point out that every time I used OpendTect to carry out my previous undergraduate and master's work, I always worked in person and used a physical machine.

     
     Best regards, Samuel.

[Joel Scott]

Samuel,

I use Microsoft Remote Desktop for OpendTect 3D interpretation, both on an iPad and a Windows laptop PC. Two issues to consider are screen size and network latency.

Joel Scott

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From: Samuel Correa <scorre...@gmail.com>
Sent: Tuesday, March 21, 2023 5:26:29 AM
To: us...@opendtect.org <us...@opendtect.org>
Subject: [OpendTect_Users] Is it possible to use OpendTect with remote access?

 

Hi Paul, Hi everyone!
 
     I would like to know if is it possible for a user to use OpendTect for 3D seismic interpretation efficiently using remote access software to a physical machine, such as Teamviewer. My question stems from the fact that we have a problem with the number of users for the same machine at the institute where I work. I also point out that every time I used OpendTect to carry out my previous undergraduate and master's work, I always worked in person and used a physical machine.

     
     Best regards, Samuel.

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[JB West]

Look into VirtualGL (free). You get access to the GPU.

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[Samuel Correa]

Hi Joel,

   Thanks for your clarification. Otherwise, it seems to me that maybe my question was too generalized. Specifically, I want to know if, working at a distance, it is possible to carry out 3D seismic processing efficiently, without interruptions, in a way that the user can exploit the maximum potential of the machine, and if this process would be comparable to the same work carried out in person in a desktop. As you said, there is the issue of latency and screen size.

      I await contact.

       Kind Regards, Samuel.

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[Joel Scott]

Hi Samuel,

I can interpret 3d seismic from any location using my iPad to access a machine in my home office. Seismic processing should be the same if all the data is located on the machine where OpendTect resides. If you are in the same building and network as the host machine you may not notice any latency. 

Joel Scott 

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From: Samuel Correa <scorre...@gmail.com>
Sent: Tuesday, March 21, 2023 9:48:04 AM
To: us...@opendtect.org <us...@opendtect.org>
Subject: Re: [OpendTect_Users] Is it possible to use OpendTect with remote access?

 

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[Christopher Ross]

Samuel,

 

It all depends on your connection speed and graphics cards.  I’ve been computing remotely from my computer at my office with my compute center 600+ miles away with very little interruptions and with little to no difficulties.  I’ve been doing this for about the past 10 years.  I have 3 compute machines at the compute center, and one box up here at my office where I have a  49” wide monitor at the office and technically no monitors at the compute center.  Minor latency can occur with contention on a network, but that has been relatively minor for me.  As for screen size differences—no problem!  I guess if I had the 49” monitor down at the compute center and a 23” monitor here there may be a few problems.

 

Chris

 

Christopher P. Ross – 505.216.6525/505.989.4000

Cross Quantitative Interpretation, L.P.

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[JB West]

Latency is a function of the connection between remote screen and GPU, any where from minimal to bad. Screen size is also entirely up to you. 

   To work efficiently you must use a method that allows the use of the backend machine's GPU. 

   It is reasonable to run on a GPU equipped AWS cloud instance for example.

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[Eric Williams]

Dear Christopher,

What monitor brand/specs are you using? I cannot seem to get a good sync between my box and my monitor. 

Best Regards,
Eric A. Williams

President & Principal Consultant
Royal Triangle Energy Solutions (St. Lucia) Limited

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[Arjan Burggraaf]

Dear OpendTect users,

At dGB Earth Sciences, we are primarily using NoMachine for remote access.

We are using NoMachine on all platforms for which OpendTect is supported. This includes Windows, Linux (RHEL/Rocky Linux, Ubuntu, OpenSuse) and Mac OS.

With NoMachine, which uses the NX protocol (port 4000), you should be able to use the GPU with hardware acceleration on your system like when you are physically at the system.

Overall on our side our experience is that the speed is fast. A factor for all remote access software however is indeed network latency which is caused by not only Internet and network speed but also the path the packages take between the client and server.

I hope that this helps.

Best regards,

Arjan Burggraaf IT Manager -----------------------------------------------------------------------------------------------------------------------   dGB Earth Sciences Phone: +31 53 43 15 155 E-mail: arjan.b...@dgbes.com Internet: dgbes.com  -----------------------------------------------------------------------------------------------------------------------

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[Joel Scott]

This is all good information. I found the following link comparing NM to RD. Wouldn’t both be able to use the GPU on the host? For a single user, do you think both remote tools are equal?

Joel Scott 

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From: Arjan Burggraaf <arjan.b...@dgbes.com>
Sent: Tuesday, March 21, 2023 11:52:52 PM
To: us...@opendtect.org <us...@opendtect.org>

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[JB West]

One needs to enable GPU access with rdp. By default it's off . NX and RDP do disable the backend screen

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