<div dir="auto"><div dir="ltr">Hi All,<div><br></div><div>Firstly, many thanks to all who contributed to the campaign. We are pleased to have reached the target.</div><div><br></div><div>As you can see from the proposal, the drill holes are not included. But we are hoping to set the basis to support the sub-terrain. There will be another round of crowd funding later in the year to add support for voxels and 3D rasters. Profiles and other custom tools can be added as plugins.</div><div dir="auto"><br></div><div dir="auto">All your feedback and suggestions are welcome. Feel free to add them as feature request here so we have a list to refer to:</div><div dir="auto"><a href="https://issues.qgis.org/projects/qgis/issues">https://issues.qgis.org/projects/qgis/issues</a><br></div><div dir="auto"><br></div><div dir="auto">Regards</div><div dir="auto">Saber</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 16 March 2018 at 09:04, Richard Duivenvoorde <span dir="ltr"><<a href="mailto:rdmailings@duif.net" target="_blank">rdmailings@duif.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">For those needing 3D features, may I draw your attention to the<br>
crowd-funding call of Lutra:<br>
<br>
<a href="https://www.lutraconsulting.co.uk/crowdfunding/more-qgis-3d/" rel="noreferrer" target="_blank">https://www.lutraconsulting.co<wbr>.uk/crowdfunding/more-qgis-3d/</a><br>
<br>
@lutra/sabel: you probably/maybe can pick some idea's from this thread<br>
to do?<br>
<br>
Regards,<br>
<br>
Richard Duivenvoorde<br>
<div><div class="m_4050091017425064773h5"><br>
<br>
<br>
On 15-03-18 15:00, Ramon Andinach wrote:<br>
> Hi Calvin,<br>
><br>
> In geology, we use a set of drill holes into the ground to interpret the<br>
> space in the earth between them. Depending on what the geologist is<br>
> interested in, we might be plotting the location of an aquifer, or a<br>
> gold seam, an oil reservoir or some other feature. Note here, that I’m<br>
> deliberately picking things that have length, breath and depth, so just<br>
> interpolating a surface is not the same thing.<br>
><br>
> So, things that you might want to be able to do include:<br>
> display attributes of the drill hole on a string representing the drill<br>
> hole (or drill trace) in real 3D space.<br>
> Create slices (sections) of these drill traces (so depth is the right<br>
> and left side), with windows of included data on either side of the slice.<br>
> Draw polygons snapped to the drill trace to link areas with similar<br>
> features between holes.<br>
> Build a mesh/wireframe model that links the polygons together<br>
> Get a volume of said model<br>
> Create a voxel model of an attribute/s distribution within the mesh.<br>
><br>
> This is probably a slightly economic geology skewed view, but hopefully<br>
> I’ve left enough geo-jargon out that it’s understandable[1]<br>
><br>
> Depends on how complex you want to be. A well known GIS package in my<br>
> neck of the woods trumpets the ability to do the slice and dice and<br>
> section bit, but really it’s making up non-earth plans and dressing them<br>
> up as having proper depth (a section). For some people that seems enough. <br>
> But - that sort of approach makes it really difficult if what you’d<br>
> really like to do is show just the bits of the drill holes with say,<br>
> gold grades greater that 20g/t - leaving any other result as transparent<br>
> - and spin it slowly around in 3D so that you can get a sense of the<br>
> go/d’s distribution pattern. This last one is much more complex and only<br>
> possible if you’re working in a truly 3D environment. <br>
><br>
> Hope that makes some sort of sense. Feel free to ask for clarification.<br>
><br>
> Ramon.<br>
> [1] I’ve made an attempt to swap out terms I’m used to using for more<br>
> generic explanations or more comp sci friendly terms. Hopefully, mostly<br>
> understandable to both sides now.<br>
><br>
><br>
>> On 15 Mar 2018, at 20:31, C Hamilton <<a href="mailto:adenaculture@gmail.com" target="_blank">adenaculture@gmail.com</a><br>
</div></div><span>>> <mailto:<a href="mailto:adenaculture@gmail.com" target="_blank">adenaculture@gmail.com</a><wbr>>> wrote:<br>
>><br>
>> Pardon my ignorance on the matter, but what does a drill hole<br>
>> capability mean? Is it simply making a hole in a polygon or is it much<br>
>> more complex.<br>
>><br>
>> Thanks,<br>
>><br>
>> Calvin<br>
>><br>
>> On Wed, Mar 14, 2018 at 3:46 PM, John Harrop <<a href="mailto:jcharrop@gmail.com" target="_blank">jcharrop@gmail.com</a><br>
</span><div><div class="m_4050091017425064773h5">>> <mailto:<a href="mailto:jcharrop@gmail.com" target="_blank">jcharrop@gmail.com</a>>> wrote:<br>
>><br>
>> It looks like no one has been answering this for you yet and I’m<br>
>> just catching up on a few days emails after my computer was in the<br>
>> shop.<br>
>><br>
>> There is active interest in developing a drill hole plugin for<br>
>> QGIS3 now that 3D is more fully supported. I also work with drill<br>
>> holes and have been running them in QGIS fairly easily in plan<br>
>> view where I just calculate traces to a plan view (either in a<br>
>> spreadsheet or using code) and apply theme patterns based on the<br>
>> attributes I kept with the segments. This has worked reasonable<br>
>> well with grade and lithology which are two of the main things you<br>
>> want to see.<br>
>><br>
>> Cross sections have been harder, but those are still “maps” in<br>
>> non-Earth coordinates. Again I’ve tended to build those with<br>
>> projections to a plane in either a spreadsheet or by code. This<br>
>> is not as easy to work with as plan view so I am very interested<br>
>> in seeing the developing interest in getting a drill hole section<br>
>> plugin for QGIS. That will really finalize QGIS as the logical<br>
>> choice for geological exploration work.<br>
>><br>
>> I’ve cc’ed the others I know using QGIS so I hope you can be<br>
>> included in the list of interested users.<br>
>><br>
>> Regards,<br>
>><br>
>> John Harrop, PGeo, FGS<br>
>> Senior Project Geologist<br>
>> Coast Mountain Geological Ltd<br>
>><br>
>> PO Box 62<br>
>> Suite 488 - 625 Howe St<br>
>> Vancouver, BC V6C 2T6<br>
>><br>
>><br>
>> ______________________________<wbr>_________________<br>
>> Qgis-user mailing list<br>
</div></div>>> <a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a> <mailto:<a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.<wbr>org</a>><br>
<div class="m_4050091017425064773HOEnZb"><div class="m_4050091017425064773h5">>> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailma<wbr>n/listinfo/qgis-user</a><br>
>> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailma<wbr>n/listinfo/qgis-user</a><br>
><br>
><br>
><br>
> ______________________________<wbr>_________________<br>
> Qgis-user mailing list<br>
> <a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a><br>
> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailma<wbr>n/listinfo/qgis-user</a><br>
> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailma<wbr>n/listinfo/qgis-user</a><br>
><br>
<br>
</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="m_4050091017425064773gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Saber Razmjooei<br></div><div><a href="http://www.lutraconsulting.co.uk" target="_blank">www.lutraconsulting.co.uk</a><br><span><a href="tel:07568%20129733" value="+447568129733" target="_blank">+44 (0)7568 129733</a></span><br></div></div></div></div></div></div></div></div></div></div>
</div>