Formats & plug-ins

Geophysical data visualization

g-Viewer is built to become a viewer for many kinds of geophysical data. Today that means SEG-Y seismic with full header access, plus surfaces loaded from plain ASCII. Geomage has named the formats coming next — and they arrive through the same auto-update as everything else.

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SEG-Y

Read, edit, write back

XYZ · CSV

Surfaces from ASCII

Auto-update

New releases find you

The g-Viewer data panel with its Seismic Files and Surfaces tabs, the trace data table listing header fields with their byte positions, and a shot-gather display alongside

A g-Viewer workspace combining a gather display, a location map, a spectrum panel, a header table and a 3D view in one window

In view

Seismic files and Surfaces, side by side

This page separates what ships from what is announced. g-Viewer's own manual describes the software's scope as data visualization and limited basic processing, and it is a SEG-Y tool first: loading, displaying and editing SEG-Y content, right down to the text, binary and trace headers. One non-seismic data type is already there — surfaces read from tab-delimited XYZ, space-delimited or CSV files, drawn in the 3D scene with the seismic. Everything below the Roadmap heading is a format Geomage has said is coming, not one you can open today.

Today

SEG-Y, all the way down to the header bytes.

What a SEG-Y file gives you in g-Viewer — and what you can send back out of it.

Load and display

Add SEG-Y files with the plus button or by dragging them into the Seismic files panel; each brings its trace data and headers with it.

Text / EBCDIC header

Read it, update it from the Tools bar, and export it to a TXT file when you need it outside the viewer.

Binary header

Shown in its own panel, and modifiable through Update binary headers on the Tools bar.

Trace headers

Every field with its type, start byte, value, range across the dataset and a histogram — plus an expression column that edits values by formula.

Write it back

Save Trace Header updates the current file; Save Seg-Y writes a new one, all traces or a selected range, resampled if you ask.

Headers to a spreadsheet

Save trace headers lets you tick the fields you want and writes them out for analysis elsewhere.

Seismic export

One format, stated plainly by the manual: g-Viewer currently supports exporting data in SEG-Y only.

Always current

g-Viewer checks Geomage's repository daily at start-up and offers the newer version when there is one; Help → Check for updates asks on demand.

Surfaces

The non-seismic data type that is already here.

Surfaces are loaded from plain text and drawn in the same 3D scene as the seismic — the first of the "many formats" this topic is about, and the one you can use now.

Formats

Three ASCII flavours

The Surfaces panel accepts tab-delimited XYZ (the default), space-delimited and CSV. Pick the type before browsing for the file: with the wrong type selected, the file preview stays empty, which is the quickest way to notice a mismatch. A pre-load view of the selected file is shown next to it.

Scalars, then interpolation

Set the X, Y and Z scalars to match the actual seismic before opening — if a surface will not sit where it should, the scalar is the first thing to check. Opening then asks for interpolation parameters, and the surface appears in the panel with its name and full path. As many surfaces as you like.

Display

In the 3D scene

Load 3D draws the surfaces; reset the view if the map does not fit. Surfaces 3D is a vista item, so it can be turned on and off and ordered against the volume.

Control

Seismic and surface together

The 3D view's View properties panel enables or disables the seismic display and the surfaces independently, so either can be studied without losing the other.

Roadmap

Announced, not yet shipped.

Geomage is developing plug-ins to load, visualize and manipulate more kinds of geophysical data. The g-Viewer manual names these as additions for future releases. None of them is available in the current version — they are listed so you know where the product is going, not so you can plan a project around them today.

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SEG-D

Field-record data, including the different versions of the SEG-D format.

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LAS

Well information in LAS, the format the manual names for it.

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Map grid formats

Map data in the various grid formats, beyond the point-and-interpolate route the Surfaces panel takes today.

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GIS shape files

Shape files, listed among the plug-ins in development.

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Geographic ASCII

More of the plain-text geographic data the Surfaces panel has started on.

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SU, and others

Seismic Unix is named in the manual's own list of future format options, which ends "and many other formats".

More g-Viewer capabilities

What the viewer does with what it reads.

Every format that arrives lands in the same set of views. These are the other g-Viewer topics.

g-Viewer overview Seismic data view 3D view Multiple datasets Pre-stack QC Location map

FAQ

Questions, answered.

What can g-Viewer read today?

SEG-Y, and surfaces from plain ASCII. A SEG-Y file gives you its trace data plus its text/EBCDIC header, its binary header and its full trace-header table, all of which can be edited and written back. The Surfaces panel accepts tab-delimited XYZ, space-delimited and CSV files. Export is SEG-Y only for the seismic itself, with the text header written to a TXT file and selected trace headers to a spreadsheet.

Which formats are planned?

The g-Viewer manual states that future releases will add options such as SEG-D, LAS, shape files, ASCII and SU, among other formats. Geomage's own roadmap for this page adds map data in grid formats to that list. None of them are in the product today — this section is an announcement, not a feature list.

How will new formats reach me?

Through the same auto-update path as everything else. g-Viewer checks Geomage's repository for a newer version on a daily basis when it starts, and offers to install one when it finds it; Help > Check for updates asks on demand. Running the free trial means you are on the current version without doing anything about it.

Can g-Viewer be adapted to a format we work with?

The manual notes that g-Viewer can be customized to meet specific user requirements, and its stated scope is data visualization and limited basic processing. If you have a format or a workflow that matters to your team, the useful next step is to tell Geomage what it is.

Get started free

Start with SEG-Y. Tell us what else you need.

g-Viewer is a fully functional free trial with auto-update, for Windows, Linux and macOS on Apple Silicon — so the next format lands in the copy you already have.

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