Creates velocity gather from an internal/external Velocity(RMS) model
Create Velocity gather from Vrms Model module creates a continuous Vrms velocity model into a velocity gather that can be directly used when velocity model is required as a gather.
Input DataItem
Input gather - Not required as we need to provide a velocity model as an input.
Vrms model - connect/reference to the Velocity model.
Geometry for new model - specify the geometry for the new velocity model.
Gather domain { TIME, DEPTH } - it automatically detects the input velocity model domain. By default, TIME.
There are no parameters associated with this module so the user can ignore it.
Auto-connection - By default, TRUE(Checked).It will automatically connects to the next module. To avoid auto-connect, the user should uncheck this option.
Bad data values option { Fix, Notify, Continue } - Bad value fix - This is applicable whenever there is a bad value or NaN (Not a Number) in the data. By default, Notify. While testing, it is good to opt as Notify option. Once we understand the root cause of it, the user can either choose the option Fix or Continue. In this way, the job won't stop/fail during the production.
Notify - It will notify the issue if there are any bad values or NaN. This will halt the workflow execution.
Fix - It will fix the bad values and continue executing the workflow.
Continue - This option will continue the execution of the workflow however if there are any bad values or NaN, it won't fix it.
Number of threads - One less than total no of nodes/threads to execute a job in multi-thread mode. Limit number of threads on main machine.
Skip - By default, FALSE(Unchecked). This option helps to bypass the module from the workflow.
Output DataItem
Output gather - outputs the input velocity model as a gather.
There is no information available for this module.
In this example workflow, we are reading a Velocity model using Read SEG-Y traces module. Let the user be sure to change the Load data to RAM from No to YES. Our objective is to create a velocity gather from an input velocity model.
Make the necessary connections/references to Create velocity gather from Vrms model.
There are no action items available for this module so the user can ignore if any.
YouTube video lesson, click here to open [VIDEO IN PROCESS...]
Yilmaz. O., 1987, Seismic data processing: Society of Exploration Geophysicist
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