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how to make a rectangular map of polar region
Hi all, I'm wondering how to make a rectangular map of Antarctica region with Lat and Lon labeled. When I first created the Map, I used the Lat and Lon limit to define the specific region that I'm interested in Antarctica, but it will give me a conic shape of map. If I created the map by defining the X and Y limit (from…
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Negative Euler Deconvolution solutions
Hello everyone I am a Geosoft beginner Please I wish to know what is the meaning of negative depth solutions in Euler. Are they to dismiss from the solution list ??? Thanks in advance
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Relation between wavelength and depth
What is the relation between cutoff wavelength of high pass filter and depth of the shallow body? How can i set cutoff wavelength using power spectrum?
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How to turn off floating windows - New to 9.2
Have you tried using floating windows in Geosoft? Instead of stretching the main Oasis montaj window across multiple monitors, you can drag just your map, database, or grid onto a second monitor. While I love this floating document feature when I'm working with multiple monitors, sometimes I am only working on my laptop…
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a gx that can create a polygon around an airborne survey flight path
Has anyone written or used a gx that can create a polygon around an airborne survey flight path and do this in batch mode either directly from an open database or map?
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depth-to sources methods: tilt angle and Euler deconvolution
Hello everyone please I am a beginner on Geosoft. I have used a satellite gravity data whose resolution is 5000m (2.5 arc minutes). I have three questions: 1. Considering a flying height of 5000 m and a suitable structural index, will the results from the Euler method give me solution depths below ground surface? 2. Are…
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WINDOW SIZE IN EULER DECONVOLUTION
hello please I wish to know how to find/calculate the right window size to perform Euler deconvolution
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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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How geosoft do horizontal derivative of a magnetic grid?
Horizontal derivative
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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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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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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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% 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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CET Grid analysis
Hello everyone Please I want to use CET grid analysis to extract edges. However on "Phase congruency " step I Will like to know whether it is better to choose specific orientation angles before overlaying each orientations on a single map than choosing "all angles". The results from " All angles " seem to be fewer than the…
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load a grid file
Hello, I have trouble figuring out a better way to import my interested bathymetry grid file to Geosoft. I have three variables, latitude, longitude and bathymetry. For example, I now have latitude with a size 1322 by 1843, longitude with size 1322 by 1843, bathymetry with the same size 1322 by 1843. These variables are…
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Seccion en Target
Tengo un MXD y dentro un proyecto en Target, e generado una seccion con su vista en planta. Tengo que enviarlo a otro usuario que no tiene target. Cuando lo abre no se genera RefGrids ni la linea de seccion. Como soluciono...???
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Magnetotelluric data
Dear all,,, Is there any GXs or any options for Magnetotelluric data (e.g. edi files) analysis within Geosoft environment? regards Essam
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ArcGIS 10.6
This discussion was created from comments split from: Why does the installation Failed.
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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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Modify Geosoft.GX.Database.InterpolateChannel
Hi All, I would like to modify Geosoft.GX.Database.InterpolateChannel, to pop up a window on completion that displays the number of dummies that have been interpolated. I could get this information from comparing the statistics of the old and new channels, but that's not very elegant. Is there a way to modify this GX? In…
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Values in MicroGravity
I realized that values in MicroGravity are between +1/2 and - 1/2. I guess these values are obtained after removing the mean value from Complete Bouguer values, am I right? for example, if the Complete Bouguer as 15-20 mGal with mean of 17.0, when removing 17 from all data, we get the MicroGravity values.