[geonet] creating magmap from old database

Hi all; Please could anyone help me i would like to make reprocessing of raw magnetic data targeting gold deposits. the data processed before but i would like to make the processing from the begining. along time ago i did not use geosoft. at first i would like to identify the targets may i purs

[geonet] Geostring to X,Y and Z?

Hello, I would like to know if their is a way to save a Geostring file into a more useful format with accessible X,Y and Z coordinates? I "digitized" a geologic interface along 100s of profils and I would like to create a grid from it. I tried to export my file as a *.DXF from the 3D Viewer but I

Re:[geonet] How to "digitize" a geological section

I was interested to do something like this, last year, and I contacted Adriana who sent me this: "Wireframes can be created from any 3D section map – whether plan at depth or dipping section. The section does not require drillhole data – it could contain geophysical data (ex. IP, MT, seismic).

[geonet] Azimuth in 3D Viewer

Azimuth is usually defined as the horizontal angle measured clockwise from the true north, excepted in the Geosoft 3D viewer where it is measured counterclockwise. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?fourm=geonet You are currently subscribed to geonet as: arc

[geonet] Symbolize stations by Line

I have gravity stations on 4 different lines in my geodatabase, and by lines I mean datasets, stored in one gdb. I want to use a different symbols to display the stations on each line so I can tell which stations are coming from which line. This seems like an easy thing, but I am not finding the

re:[geonet] Symbolize stations by Line

Hi Caitlin, The solution is selecting the required line only, prior to plotting it on the map. After having displayed the first line, you can go back to the database and deselect it. Then select a different line and define a different symbol, and so on. Just make sure to rename the map group af

RE: [geonet] Symbolize stations by Line

Thank you. That is very helpful. -Original Message- From: author.nameemail [mailto:geonet@lyris.geosoft.com] Sent: Monday, January 05, 2015 9:07 AM To: Geosoft Oasis montaj and Target Subject: re:[geonet] Symbolize stations by Line Hi Caitlin, The solution is selecting the required

RE:[geonet] Symbolize stations by Line

Another option is to plot symbols using Color Range Symbols. Define a new column, say Line_number, and give each line a unique line number, lines 1-4. Then Map Tools > Symbols > Color Range Symbols. Classification channel is Line_number and number of ranges is 4. Then click on the Ranges butt

RE:[geonet] Symbolize stations by Line

Database Tools --> Channel Tools --> Make a Line Channel --> Line number format = 100 --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, selec

RE: [geonet] Symbolize stations by Line

OK. Thank you. -Original Message- From: author.nameemail [mailto:geonet@lyris.geosoft.com] Sent: Monday, January 05, 2015 9:59 AM To: Geosoft Oasis montaj and Target Subject: RE:[geonet] Symbolize stations by Line Another option is to plot symbols using Color Range Symbols. Define a

[geonet] Calculate dip and susceptibility with SPI method

Hello every one; How can I calculate dip and susceptibility with SPI method in geosoft 6.4? Thank you --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of

Re:[geonet] Calculate dip and susceptibility with SPI method

in SPI package I can't find options to calculate dip and susceptibility. it can just calculate depth! --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of o

RE:[geonet] Displaying GMSYS models in the 3D viewer???

Thanks for the help :) /Tanni --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User Forum selection on the Geosoft Community pag

Re:[geonet] Displaying GMSYS models in the 3D viewer???

This helped me: To get the vertical grid models out of GM-SYS Profile you can use the guide below: http://updates.geosoft.com/downloads/files/how-to-guides/GM-SYS_Profile_Calculate_Grid.pdf Then: To add the oriented image to a 3D model: 1. In the 3D Viewer, Add to 3D > Grids > Plan or Sec

[geonet] OM 8.3.1 and USGS GXs

Hi all, I recently upgraded to OM 8.3.1 from OM 8.2 (where the USGS GXs worked quite well) and I am now getting an error that looks like "The usgs_ftprep" dynamic object was found but could not be loaded. This affects the following function IUSGS_Ftprep". Reading on the geosoft support about a

re:[geonet] OM 8.3.1 and USGS GXs

My GX Developer Kit download finished and I made a package and installed it and low and behold the problem went away. I can't attach the package because it is too large. But if you encounter the same problem and want me to email it to you let me know. wal...@cwgeophysics.ca Cheers Sean --- For

re:[geonet] Digitizing old aeromagnetic flight line data

You can try Bytescout. It will be a lot of work for the all survey http://bytescout.com/products/enduser/graphdigitizerscout/graphdigitizerscout.html --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archi

[geonet] Depth Estimation?

Hi Do you the steps in how to estimate the depth of the basement from regional bouguer map? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our

[geonet] Land Gravity

Hello everyone, I received two land gravity surveys, one of them was be grid like image attached. I try to do the same with the other but I can't. Do you know what is the right procedure? Regards --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are curren

RE:[geonet] DTM grid for topographical correction

Hi Rafael, That is because there are different kinds of Geotiff files. The Geotiff format is quite versatile and can contain anything from 1-bit integers to 32-bit float numbers. It can also handle single-band grids (a DTM for example) or multi-band rasters (an RGB image for example). Unfortun

[geonet] Regional Gravity

Hello everyone, I have problems with a residual gravity map for land gravity. I want to know if you have suggestions to make one, only need how to obtain a regional gravity map in Oasis Montaj? Thanks, Carlos Quevedo Lima-Peru --- Forum archives can be accessed here: http://lyris.geosoft.com/re

[geonet] Barometric Pressure Correction in Gravity reduction

Hello Geosoft users Is there any way to apply Barometric pressure correction (Cp)for CG5 gravity data in Oasis Montaj or any other software? regards Essam Aboud --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch

[geonet] Horizontal Gradient in Oasis

Hi Anybody knows how to apply horizontal gradient on regional gravity data. And what is the meaning of gradient direction (CCW +X)? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To

[geonet] Symbols in Oasis motaj?

Hi Can anybody help me how add symbols to a map such as boreholes faults and etc using Oasis montaj? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from an

[geonet] Joint Structural Inversion

Hello all I would be happy if someone can do a favor for me. I am trying to do joint Gravity and Magnetic inversion technique under Geosoft 8.3. May I have some inquires about it. Regards Essam eab...@gmail.com --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=

[geonet] Color bar problem

Hi, I have a problem in color bar, when I applied a Horizontal gradient filter on the Gravity data and added the color bar I found the values on the bar are zeros. Does anybody know why, and how to overcome it? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum

Re:[geonet] Color bar problem

I do not Know how to make it moveable this my question --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User Forum selection on t

[geonet] Density in GMSYS3D

Dear all.. When I use GMSYS3D in gravity inversion, I have some questions. When adding gravity survey, it asks for background density (in the help file, it is the density used in Gravity data reduction, (e.g. 2.67)). If I add one layer (e.g. basement) it will have similarity density (e.g. 2.

[geonet] Boreholes and geological symbols?

Hi Can anyone of the Oasis montaj users helps me in HOW to add boreholes, and write text such as names on the contour maps? Best wishes --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To sub

[geonet] Gravity loops reduction in Geosoft

Dear all I have a question regarding the Gravity reduction in Geosoft. I have a gravity as small loops and large loops. I will give an example for that, I started the survey from station 10 and ended with station 81 and between them I have some other stations, as below. 10-20-10-20-80-81-80-8

[geonet] Thesis or dissertation by using geosoft oasis montaj gm-sys

Hello everyone, is there anybody published an article or wrote a thesis or dissertation by using geosoft oasis montaj gm-sys. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or u

[geonet] Reduction to the pole

Hi, Can anybody kindly explain to me how to use RTP filter, because I tried using it and appear in a separate column and do not know what the next step is ? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch

[geonet] RTP filter

Hi, Can anybody kindly explain to me how to use RTP filter, because I tried using it and appear in a separate column and do not know what the next step is ? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch

re:[geonet] RTP filter

The reduction to the pole is a process that recalculates the total magnetic intensity data as if the magnetic field had an inclination of 90 degrees. Dipolar magnetic anomalies are transformed to monopolar and are centered over the sources, like a gravity anomaly. The dipolar effect is removed,

[geonet] gm-sys 2d models into 3d cube model

Hello everybody; I have been using GM-SYS for creating 2D models using gravity data. Now, I have to bring these 2D models together and create 3D model (using inversion or gridding I do not know). Is there anybody, did something before. Can somebody who did it before contact me? Please help me

[geonet] Make a Color channel

I have x,y,z (e.g. lat/long/depth) data and would like to make a color channel for z. Any help will be highly appreciated. regards Essam --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To

[geonet] 3D model using gravity data with GM-SYS

Is there somebody who did 2D and 3D modeling using gravity data with GM-SYS Oasis Montaj? I need to ask some specific questions. Help will be appreciated Thanks in advance --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geone

re:[geonet] 3D model using gravity data with GM-SYS

Hi, You can send me your questions at: yoann.rich...@areva.com Cheers, Yoann --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User

[geonet] Geometry grdi for 3D model

Hello everyone, I have started creating 3D model using Oasis montaj gm-sys 3D. I am using latitude and longitude data for coordinates. I have uploaded the data x,y,z and to create 3D model, it asks to enter geometry grid file. ( I have tried krigging grid method and try to input it while geomet

[geonet] 3D modeling gm-sys adding a survey and forward modeling

Hello everyone; How can I add my gravity surveys as profiles(I grided one of my profiles but it says survey has to cover 20% of the area). How can I do the forward modeling using my observed gravity data in 3D model.(I have done in 2D gm-sys trying to fit observed and calculated is there a wa

[geonet] Horizontal Gradient in Oasis

Hi I would like to calculate the Gh (Horizontal Gradient)of gravity, not GX,or GY. So how can I do it? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from

[geonet] Horizontal Gradient calculation?

Hi I would like to calculate the Gh (Horizontal Gradient)of gravity using OASIS MONTAJ, not GX,or GY. So how can I do it? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe

[geonet] HG filter

Hi, I look forward to helping me in how to make horizontal gravity gradient map, where I have Bouguer data, and I used Oasis montaj software, and as you know when you gonna use HG filter you have to enter angle from + X axis, I tried different values from 0 to 270 degrees but I did not get map

re:[geonet] HG filter

You can calculate X and Y derivatives using Magmap. The the horizontal derivative (or gradient) is dH= SQRT((dx*dx)+(dy*dy)) You can also install USGS-GX http://pubs.usgs.gov/of/2007/1355/ and use Jeffrey D. Phillips modules to get Horizontal Gradient directly. --- Forum archives can be access

re:[geonet] HG filter

and how to use in Oasis? --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User Forum selection on the Geosoft Community page: ht

re:[geonet] HG filter

Follow the guide ftp://ftpext.usgs.gov/pub/cr/co/denver/musette/pub/gx/readme.txt Then GX--> LoadMenu--> usgs.omn --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe

[geonet] using geostring to constrain VOXI

I have a geostring from drilling. I want to constrain the inversion of mag susc in VOXI to be only within the enclosed body but don't know the workflow. Please let me know how to proceed. Thanks Dick --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are c

re:[geonet] using geostring to constrain VOXI

Hi Dick, You need to use voxel math to define an active model constraint voxel based on the geosurface. I find it useful to get all you data into voxi and build the mesh you are going use in the inversion then export a default starting mode (probably good to use a value of 1 everywhere) as a v

re:[geonet] using geostring to constrain VOXI

Hi, As Sean notes, one possible way is to define a starting model with susceptibility 0 everywhere except inside your region of interest and then to use the Active Model constraint. There is another way that is less of a "firm" constraint if you'd like to explore another range of possible solut

[geonet] drape and barometric survey

Hello, I want to convert a drape survey into barometric survey. Do you know if Oasis Montaj have a tool for this purpose? I know that there a menu for this fact (compu-Drape) but is only to magnetic data, Is it correct? Regards, Carlos Q Exploration geologist Lima-Peru --- Forum archives can b

[geonet] x,y,z axis rescaling (min and max of each axis)

Hello, Does anybody know how I can manage x,y,z axis in both 3d modeling and 3d viewer x,y,z axis rescaling (min and max of each axis) --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subs

[geonet] Adding legend and scale bar into 3d model and 3d viewer

Hello, I have been trying to add legend into my 3d model and voxel --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User Forum s

[geonet] Forward modeling and constant density inversion

Hello everyone, Does anybody know how to do forward modeling and constant density inversion in 3D. I have done forward modeling but as a result I got just min max mean and standard deviation. How could I see the result of anomalies in 3D or grid file? --- Forum archives can be accessed here: h

[geonet] Max, min functions

When working with channel math, there are functions for max(,) and min(,) that require two arguments. Is there one that will handle more arguments, or do I have to nest IF statements? Jeff Gamey, PGp, PMP Battelle - Oak Ridge

[geonet] Rose Diagram

Does anyone know if, in Oasis Montaj or in some module/script, exist a possibility to have a rose diagram plot from a structural map analysis (lineaments or CET)? Thanks --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as

Re: [geonet] Rose Diagram

developing it . Solomon Nehemiah Yusuf PhD student MAUTECHOn 14 Jul 2015 11:56, "author.nameemail" wrote: Does anyone know if, in Oasis Montaj or in some module/script, exist a possibility to have a rose diagram plot from a structural map analysis (lineaments or CET)? Thanks --- F

[geonet] Concatenate strings in Oasis Montaj

Can you concatenate the contents of two channels into a new channel in Oasis Montaj? I have a line channel and a station channel, I want a new channel to be Line_Station, like 23_100. I cannot find the syntax to do this. Caitlin Bernier- GISP Magee Geophysical Services LLC caitlin_bern...@g

RE: [geonet] Concatenate strings in Oasis Montaj

sign positions to JPGs. Call if you want a better explanation or need help -Abraham 801 839 4127 On Tue, Jul 28, 2015 at 7:48 AM, author.nameemail wrote: Can you concatenate the contents of two channels into a new channel in Oasis Montaj? I have a line channel and a station c

[geonet] Can't set coordinate system to database in Oasis Montaj 7.5

Hi I'm trying to define a coordinate system to database, but all options are shaded grey (please find the attached file), so I can't change any parameters in oasis montaj 7.5. Would you please help me to fix this problem? Thank you so much Saman --- Forum archives can be accessed here: http://l

[geonet] Potential field data modeling in GM-SYS

Hello, I want to clarify some doubts about potential field data modeling in GM-SYS. I can use the TMI or the RTP anomaly when I am modeling magnetic data. But when I am modeling simultaneously magnetic and gravity data is better to use the gravity and reduced to the pole magnetic anomaly? Becaus

RE: [geonet] Potential field data modeling in GM-SYS

Chaves, A.C., 1993; Analytic signal and reduction to the pole in the interpretation of total magnetic field data at low magnetic latitudes, Proceedings of the third international congress of the Brazilian Society of Geophysicists." Ed On Monday, November 23, 2015 9:17 AM, author.

[geonet] How to get the inversion misfit error in Voxi Earth Modeling?!

Hello, I try to export the process logs and compare the different inversion strategies`inversion misfit error, but I don`t know what exactly those numbers mean. Except for some headers, many things are ambiguous. Is there any sorta of manual for explaining the process log to see what`s actually

[geonet] Terrain Grid Problem

Hello, I created a very large terrain correction grid using the gravity module of Geosoft Oasis Montaj. It took over 3 days to create the terrain correction grid. Once it was done, it locked up my computer for another day and I finally had to shut it off. The TC grid is about 250 megs but if

RE: [geonet] Terrain Grid Problem

s Geosoft could advise after they'd look at your input grids and data. Cheers, Ed Ed Cunion Red Rocks Geophysical 13224 W Utah Circle Lakewood CO 80228 USA cell 001-720-300-3641 fax/phone 001-720-389-5224 Skype ed.cunion On Monday, December 28, 2015 5:51 PM, au

[geonet] TEM gx in OM

Dear TEM-Geosoft user There is a TEM gx in Oasis Montaj (TEM-Data and TEM-Plot)edited by someone. If possible, I would be happy to get help file for such GX? or the editor can contact me for some inquiries. regards Essam eab...@gmail.com --- Forum archives can be accessed here: http://lyris.g

[geonet] Published paper using GMSYS 3D inverion

Dear all,, I am looking for scientific articles used GMSYS 3D in gravity or magnetic data. If there is some mathematical/algorithms explaining the concept of GMSYS 3D inversion, will be highly appreciated. regards Essam --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?

Re:[geonet] Published paper using GMSYS 3D inverion

Hello Emilson, Interesting paper - Was the gravity response (of the model) calculated from a draped surface or a horizontal surface? Many thanks, Michal --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-a

[geonet] A scietific paper about Iterative Reweighting Inversion?

Hello, Is there any peer-reviewed publication about the IRIF (Iterative Reweighting Inversion) method used in VOXI Earth Modeling? Cheers, Bahman --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive

[geonet] section and 2D profile

Dear all,, Is there any way to plot 2D profile (e.g. gravity) above vertical section extracted from voxel (e.g. MT). see the attached file Regards Essam --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch.

Re: [geonet] section and 2D profile

nformation included in any written or verbal communication > or proposals inclusive of electronic mail, text massages or phone > conversations. The Recipient also agrees that any information gained from > ASST will not be used by the Recipient or any Third Party in future > projects unl

[geonet] Griding using MASK channel

Is there any way to grid database using MASK channel. For example, I have data of of 100 point and would like to grid only randomly distributed 75 of them. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@ma

[geonet] Irish Grid to ITM

Hi All I am trying to convert XY coordinates from Irish grid to ITM. Having poked about a bit, I am unable to get sensible results in Geosoft Target. Please could someone tell me what input and output values to use for Datum / Projection method / Local datum transform? --- Forum archives can

re:[geonet] Mineral prospecting

Aeromagnetic data give an image of the magnetic susceptibility distribution over an area. The magnetic susceptibility is mainly related to the magnetite content of the rock. Baryte is a non magnetic mineral and cannot be located directly by a magnetic survey, but the magnetic survey can help the

re:[geonet] Loading backdrop in gm-sys

Hi Solomon, Are you saying that the image file is too big to load? In that situation, GM-SYS will typically ask if it can rescale the image. If you can provide more information about any messages you are seeing, that would help me to understand your situation. -Tom Geosoft (USA) --- Forum arc

re:[geonet] Loading backdrop in gm-sys

Hi Solomon, The coordinates you enter in the Load Backdrop dialog are for the corners of the image file, not necessarily the corners of the section within it. I suspect that the image has some white-space around the edges, so the coordinates you enter don't match up. You will need to "register

[geonet] Extract 2D Cross Section from 3D Model

Hello all, Does anyone know whether it is possible to extract a 2D cross section from a 3D model, based on MORE than 2 points of the profile? (In other words - a crooked line) Many thanks, Michal --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are curre

Re:[geonet] Extract 2D Cross Section from 3D Model

Hi Ed, Thanks for the information, I wasn't aware of this feature til now. It's not what I'm looking for though. The extraction from a 3D model is aimed at creating a database that doesn't exist yet (unlike the case described in the video, where the desired database already exists). I appreciat

Re:[geonet] Constraints Grid

Thank you, got that all worked out. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User Forum selection on the Geosoft Communit

Re:[geonet] Constraints Grid

Hi Ed. I had another issue with the constraint grid and I was wondering if you had any insight into the following: I included my new constraint grid (built from wells) with my model and when I ran the inversion, peaks form where the constrained locations are. I attached an image of what it looks

RE:[geonet] Re:Constraints Grid

Thank you, Darren. Unfortunately, it seems to still have the same issue even after the DC-shift. There are some areas where it looks like it may have a better fit, but overall it is still displaying the peaks. Emma --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=g

RE:[geonet] RE:Re:Constraints Grid

Hi Gerry, Thank you! I tried using the digitize function with the DC Shift and I still am having issue. I attached an image of what I am seeing. Do you happen to have any other ideas that I could try? Thank you for the help. Emma --- Forum archives can be accessed here: http://lyris.geosoft.co

[geonet] Presence of line path in gravity maps

Hello everyone, I have a problem. I generate a 1VD map but obtain a map with strong presence of line path. I want to know how to remove this effect. Attach a image. Grid cell size: 500 Density Bouguer is 2.13 --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet Y

[geonet] Modelling complete bouguer anomaly in VOXI and density values

Hello, I used complete bouguer anomaly data for the gravity inversion in VOXI and now I have a density model. I also considered the topography and used a DEM grid. My question is related to the range of density values of the model, because I have a range of negative and positive values (-0.29 to

RE: [geonet] Modelling complete bouguer anomaly in VOXI and density values

al Analyst | Geosoft geosoft.com | blog | twitter | linkedIn | facebook | T +1 416.369.0111 #353 | M +1 647.272.7188 Celebrating 30 Years - follow our anniversary story. Geosoft 30 -Original Message- From: author.nameemail [mailto:geonet@lyris.geosoft.com] Sent: Tuesday, September

[geonet] Honoring Constraints Grid

Hello! I am having an issue with my 3-D model honoring my constraints grids exactly. When I run the gravity inversions, there are some points that stay true to the constraints grid values, but some that change and change drastically. Could someone shed some light on why this is happening? Thank

Re:[geonet] Time domain electromagnetic data

Hi, Thanks a lot but my skills handling data in Geosoft have been blurred, and thus could you give me some additional information how to proceed with the data? I have attached the corresponding file. Best regards, arto --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?foru

[geonet] when using 3D color Symbol plote

Dear all , When using 3D color Symbol plot in 3D map, I can not control the size of the symbol. It may be a trick somewhere. Is their any suggestions? regards Essam --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to g

RE:[geonet] Leveling airborne Mag data with overlapping lines

Thanks for your responses. I could solve the problem by creating a tie line crossing the overlap area. cheers O. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe

[geonet] USGS-GX Band Pass Filter Error

Hi, I recently upgraded to Oasis 9.1. I re-installed the OM90 USGS potential fields GX. However, I am getting an error when I try to bandpass filter the data. It looks like a path or file name error related to trying to to write the bpfil.pst file (image attached). I have noticed some odd things b

[geonet] White lines on grid along the survey lines

Hi All I have just gridded ground magnetic data that was surveyed at 200m line spacing and 50m station spacing, but am getting white lines on the grid along the survey lines, how do I get these white line from the grid, am using Target. Regards Mwape --- Forum archives can be accessed here: http

[geonet] plot active channel to profile window

Hello Oasis Montaj 9.1 I am writing a script to bring in various filtered channels i want to plot each channel after I bring it in having been filtered using slightly different parameters , what GX do I call to effectively use the pop up menu SHOW PROFILE , which GX do I call to profile the

[geonet] Information of magnetic data

Dear all Does anyone know where I can find the books or data I can download that explains magnetic data, i.e. what analytical signal is, reduction to pole, first vertical derivate etc. and their importance. Your help will be highly appreciated. Regards Mwape --- Forum archives can be accessed

Re: [geonet] Information of magnetic data

s.ca --- Registered in Scotland #SC431537 On Tue, Mar 28, 2017 at 8:53 AM, author.nameemail wrote: > Dear all > Does anyone know where I can find the books or data I can download that > explains magnetic data, i.e. what analytical signal is, reduction to p

Re:[geonet] plot active channel to profile window

Thanks for that Ed unfortunatley using any of the pop up menus in active channel on the database doesnt record actions in the script files , I have been advised in another forum that the only way I can get channels to plot after loading is to use a preivously saved view and execute the saved vi

RE: [geonet] USGS-GX Band Pass Filter Error

amp; dlls etc installed in the right directories, and putting in the new paths in the environment variable settings in Windows but I'm not sure if this last step was needed as long as the new Gx & dlls etc were all in the right places. Cheers, Ed On Wednesday, February 15, 2017 4:45 A

Re:[geonet] plot active channel to profile window

I know this is an old question and hopefully you have figured out something to work for you. But you shouldn't need to set the min and max extents of your data in the dbview. If you save a view, the text file will have lines like "EDB_PROF_YMIN","-5" but if you just delete those lines from your

[geonet] NEED HELP

morning, please i need a help to remove some whites lines appearing on the grid of my aeromagnetic data.i have found how to remove it but it does'nt goes. and im trying to attach the grid and it also does't goes. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geon

re:[geonet] NEED HELP

Are the white lines due to the fact that the blanking distance in the grid process is shorter than half the flight line spacing? Increase the blanking distance or let it blank. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to g

[geonet] NEED HELP 2

that is the grid i was talking about. thanks to look at it. --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the User Forum selection

re:[geonet] Reduction to pole of Magnetic data

Can you give more information? What is your coordinate projection? Local or UTM? --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: arch...@mail-archive.com. To subscribe or unsubscribe from any of our forums, select the

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