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3D SEG-Y using external "Nav" file?
I am wondering if anyone who works with 3D SEG-Y volumes has encountered volumes "in the wild" that get their X,Y trace coordinates from an external "Nav" file? In all of the cases I've seen, either * The text header or a "load sheet" ties 3 or 4 Inline/Xline coordinates to actual X,Y coordinates, * the trace headers have…
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Error 154: parse error at "GRID3D"
Hi all, I have just moved onto version 9.4 of GX developer, and now, upon running the gxc compiler, I get the above error. It isn't my code, as the same happens on the supplied Geosoft source code. The grc compiler appears to run correctly, I have checked the "all.gxh" and "grid3d.gxh" files and they appear to be normal -…
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Get and change map object colormap to custom one through GX
Hi. Since changing colormaps(for example for comparative profiles) is a chore in Geosoft, I am scripting a GX to do it. Changing one colormap that is not in the standard folder and a zone file is about... 15 clicks? More? Anyway. Pretty much first GX. I got a list of my maps and I filtered it for the ones I need def…
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Why do we need frequency domain?
Grid
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Extraction of a part of a grid
How can I extract a part of a grid?
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Python function to window a grid using a polygon file
is there any function from the python development kit for window a grid using polygon file?
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geosoft - euler deconvolution , analytic and tilt derivative grids and maps
i am geosoft beginner. I want to have a guide as to how to generate euler deconvolution , analytic and tilt derivative girds and maps
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import .tiff file
We used to drag the raw .tiff file into geosoft map directly, but this seems no longer working with Geosoft 9.3. It's also not working by using the menu option 'Import ->Image (bmp,tiff,etc.)...'. Just wondering if that is due to the updates of newer Geosoft version or could anyone suggest a better way to import the raw…
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How does geosoft calculate vertical derivative?
How does geosoft calculate vertical derivative?
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Custom grid colour
In Oasis Montaj viewer 9.3 I have a grid containing position coordinates (x,y) and magnetometer altitude (z). I would like to change the grid colour so that everything under 3.5m is blue and everything over 3.5m is red. How can I do this? I've tried using the colour tool but it only seems to want to change colour according…
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Planning to look at some quantitative colour maps this summer?
University of Washington has analyzed our ability to judge data differences based on different colour scales. Colour scale "viridis" was the winner. Happy Mapping! https://idl.cs.washington.edu/files/2018-QuantitativeColor-CHI.pdf Thanks to @NatalieGreen for creating a .tbl version of "viridis" to use in Geosoft's Desktop…
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What is the correct way to use gdb extent_xyz()
Seems to be crashing my jupyter notebook currently. Thanks!
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How to import my lateral variable density model in grid file to Geosoft
This discussion was created from comments split from: load a grid file.
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Watch: Exploration of uranium unconformity-related basement hosted deposits
Did you miss the Explorer Speaker Series at the Geosoft booth at PDAC this year? Watch the recording of Régis Roy, Ph.D., P.Geo., Geophysicist, from Orano Canada Inc presenting a case study from the Contact prospect, Kiggavik, Nunavut (Canada). Régis Roy describes how 3D inversion of gravity data is a valuable tool to…
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Diurnal correction formula
What's the formula used for Geosoft Oasis Montaj to calculate the diurnal correction?
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Where can I get the gx developer 8.4?
Hello, my oasis montaj version is 8.4 , but the gx developer I can download is 9.1... and the oasis8.4 can't run the 64bit dll ...... so where can I get the old version gx developer8.4? or how can I update my Oasis ? best regards.
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How geophysics keeps people alive ...
A Geoscientists Without Borders project traveled to the second largest refugee camp in the world to find water. The Kakuma Camp in Kenya is home to 185,000 refugees and growing. Paul Bauman working with driven refugees and locals to bring water to 140,000 people in East Africa. To learn about the project see: Geophysical…
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KEGS Presents: Reflecting on 40 years in Exploration Geophysics (Webinar)
The Canadian Exploration Geophysical Society is hosting a webinar with Chris Nind, Vice-President - Business Development at Abitibi Geophysics, who'll be discussing the changes he's witnessed in his forty years in exploration geophysics. Register for the June 26th webinar:…
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% depth tolerance in Euler 3D
what is max. % depth tolerance,dz, dxy in Euler 3D and what is the relation between max. % depth tolerance,dz?
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Geosoft Webinar: Software solutions for terrestrial UXO projects
Join Geosoft Technical Analyst, Philip Suttak, on June 27th for a webinar on how to keep costs down with specialized UXO software. Philip will show how the specialized workflows are designed to efficiently handle large volumes of geophysical munitions data, from survey planning, to target detection, to final report…
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Geosoft Webinar: UXO classification using electromagnetic data in the marine environment (Today!)
Thursday, June 14th 11 am - 12 pm EST Advanced geophysical classification has huge potential to save on expensive clearance and diving costs in marine unexploded ordnance (UXO) surveys. The use of new advanced electromagnetic (EM) sensors along with sophisticated software for quality control, processing and analysis of the…
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Geosoft Webinar: Modernise the way you manage and visualise your drilling and sample data
Modernize the way you manage and visualize your drilling and sample data: Software Solutions for Mining Exploration: MX Deposit and Target Tuesday, June 12, 2018 10:00 AM - 11:00 AM AWST (GMT+8, Perth, WA, Australia) In this webinar David Kerr, Minalytix Head of Product, and Darren Andrews, Geosoft Senior Technical Analyst…
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Depth Estimation
I would like to ask where the bold expression is coming from? To calculate the source depths: Database Tools > Channel math. Enter the Expression: C0 = (-C1)/(4*3.14) Assign channels: Enter a new name for C0 and select the gradient channel as C1. source link: https://my.geosoft.com/supportcentre#/kb/kA3a0000000P0XOCA0…
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Aeromagnetic Data Grid issue
I tried to grid the mag data from Airborne but it gave me like across flight lines plot. I mean it plot the data along the flight path. Even I tried to change the grid size but it still gave me the same issue. any help please
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GXSURFACEITEM
I am getting this error with GXSURFACEITEM.add_mesh. It does not fit with the documentation. C:\Users\Marc\Anaconda3\python.exe C:/Users/Marc/Documents/TetraGeophysics/Logiciels/aeminv/aeminv/aeminv.py Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\Marc\Anaconda3\lib\tkinter\__init__.py",…