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Olafsson

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Posts posted by Olafsson


  1. Could you upload the DXF-file?

    Should the data look like this?

    504460 8627163 10,4

    504472 8628787 10,4

    504484 8630236 10,4

    504495 8632054 10,4

    504507 8633833 10,4

    504520 8635374 10,4

    504536 8636815 10,4

    504555 8638051 10,4

    504568 8639942 10,4

    504578 8641983 10,4

    504583 8644464 10,4

    505636 8645037 10,7

    505632 8643621 10,7

    505536 8645415 10,7

    505636 8641024 10,7


  2. I am just thinking as I go here.

    We can filter/limit surface grids in RockWorks with other grids (Utilities>Grid>Filters>Limit ...). No problem.

    Stratigraphic (non block) models consist of many surface grids (top and bottom of each unit).

    So, shouldn´t it be possible to limit a stratigraphic model to, for example, fault grids? Then make another stratigraphic model on the other side of the fault (limiting it the other way round).

    I know this can be done using block models, be it a lithological or stratigraphic block model. I have just once ventured into these realms, but when I did I had a different RockWorks project for each part of the block model. That way you aren´t writing over all the different stratigraphic grids over and over if you are experimenting.

    Then I just united the two models in RockPlot/3D (append).

    I hope some of this makes sense and I bet Jim has a cooler solution.


  3. ArcMap can convert on the fly. You have to right click the layer (shpfile)>Properties and define the coordinate system it is in (WGS84 UTM for example).

    I assume you have already defined the coordinate system for the whole project... (right click "Layers" > Properties > Coordinate System).


  4. I would like to draw multiple concession polygons in Google Earth using RockWorks utilities.

    But I just cannot figure out how "KML > Polygon Maps: > Multiple Polygons ..." works. Especially as it doesn´t take any coordinate parameters.

    Do you have some sample file for me, with all the colors and opacities etc set?

    Thanks in advance,

    Olafsson

    PS

    I can draw single polygons, no problem, but I need a different atd file for each concession. That´s just a waste of time and space...


  5. Hi!

    I would like to make a video similar to the one below (Air Temperatures by Elevation RW video).

    I assume I need to export individual images, choosing different layers each time. Can I make an RCL script, choosing the exact layers and exporting them to the appropriate PNG files?

    Thanks in advance!


  6. Hello.

    I would like to display the 2D striplogs of multiple bores (all or enabled bores) side by side to compare them. Making a cross section isn´t enough as I get a lot of space between each bore.

    Is this possible?


  7. I´m wondering if it is possible to make worldfiles in RockWorks?

    I often use Imagery > Digitize (Extract Coordinates From Image) ... where I georeference a jpeg image. It would be great to have an option in that program to export to jgw worldfile to use in other programs or later use in RockWorks.

    Best regards,

    Olafsson


  8. Thanks! I can´t believe it... I was trying to draw the X column as a Y. Triangulation managed to do it but polynomial didn´t.

    I also got rid of points 7, 8 and 10 and am now able to make a 3rd order polynomial, as I wanted.

    As the grid surface stretches very high and very low; what is the best method of constraining it?

    I want to constrain the grid to min:-300 m and max:1300 m. I made flat grids at these heights (Flat_-300.grd and Flat_1300.grd).

    In "Grid > Filter > Limit" I am able to constrain the "Fault.grd" using the "Flat_-300.grd" with "Fault_limit-300.grd" as an output.

    Now the problem: If I then try to limit the "Fault_limit-300.grd" with "Flat_1300.grd" the program crashes. Limiting only the "Fault.grd" with "Flat_1300.grd" works fine, but limiting that output file with "Flat_-300.grd" results in a crash as well.

    5453269218_4439d89568_b.jpg


  9. I´m trying to make a polynomial out of these points, as I´m trying to determine a fault location.

    704218 3557171 1280

    704352 3558789 1280

    704121 3558511 833

    703177 3556948 -220

    703468 3558091 -220

    703876 3559019 -220

    703635 3558692 280

    707047 3559531 280

    703372 3556628 280

    703322 3557034 480

    But I always get this error:

    "Error: UNABLE TO COMPUTE POLYNOMIAL

    Unable to compute this particular polynomial and therefore unable to

    complete initial trend-surface analysis. Possibilities;

    (1) Duplicate point - make sure the "declustering" option is activated.

    (2) Overfit of data - sorry, this data set can´t be used with trend-surface.

    (2) Coefficient = 0 - sorry this data set can´t be used with trend surface."

    What is wrong here?

    Thanks,

    Olafsson


  10. Hi,

    I have a few boreholes where rock quality designation (RQD) of the core has been done.

    The data looks like this:

    % of core unfractured for 10cm/30cm/50cm/100cm/150cm/200cm

    So what I have is a lithological section of a borehole where a RQD of 68/58/42/26/0/0 (for example) is defined.

    I would like to make a 3d lithology model/stratigraphy model and be able to filter it using the RQD.

    What is the best way to do this?

    Thanks,

    Olafsson


  11. OK. Thank you for your answer. I indeed imported the surfaces using the Trend Polynomial 1st Order. I am as we speak converting the DXF to a grid surface using the Kriging algorithm and around 10 neighboring points. RockWorks has been working for it for 42 hours and is at 50% (!!!).

    I was not able to import the DXF into the Utilities Spreadsheet though, as I always got an error message. What I did was that I opened the DXF in RockPlot/3D and exported it from thar in DXF as well. In Utilities/Map/Grid Based Map I was then able to reference to that file as the original DXF did not work.


  12. Hello.

    I need your help on how to proceed to make a geological model based on the data I have.

    I have a DXF file with surface contours exported from Microstation. This I can import into RockPlot/3D.

    The geology is simple; flat slightly inclining basalts. These were modeled in Microstation as planes defined by a few points:

    EG_AN1-4 718604 538054 282

    EG_AN1-4a 715174 538054 0

    EG_AN1-4b 716889 533342 0

    EG_AN1-4c 718604 532974 130

    EG_AN1-4d 721264 532349 330

    EG_AN1-4e 719188 538054 330

    This is the top of layer EG_AN1-4. I only have the tops of the layers.

    There are no boreholes in the area and this is all based on surface mapping.

    As you can see on the image (http://flickr.com/gp/bogulo/MsKyuZ) the planes cut the surface.

    What is the most efficient method to put all of this into RockWorks as lithology or stratigraphy? This probably must be done with made-up boreholes, but how exactly?

    Regarding the DXF surface: What is the best way to convert this 300mb monster into a GRD file?

    Thank you very much for your help!

    Ólafsson


  13. I would like to make a stratigraphic cross section where the localities of faults are marked above the profile. The faults have been traced from a geological map, so that a fault table exists.

    In this way I would be able to at least draw the faults myself, knowing exactly where they cut the surface.

    How could I go about doing this?

    Could you please add this feature to the Software, as this is quite basic stuff in drawing cross-sections.

    Thank you very much in advance,

    Olafsson


  14. Hello. I have been working on the RW15 demo version. Yesterday I suddenly started getting this error every time I try to make a 3D striplog.

    I even get the message if I make a new project.

    I think I was renaming a 3-D diagram file in the Borehole Manager and accidentally hit some random key. After that this seems to happen.

    Incidentally we are buying the software today (just waiting for transaction verification) and I really need it to work!

    So if you have any advice, please let me know!!!

    Thanks in advance,

    Olafsson

    post-9963-065735500 1290600352_thumb.jpg

    bugreport.txt

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