[Qgis-us-user] New to QGIS and Spatial analysis

Doug Newcomb gistinker at gmail.com
Tue Mar 15 09:22:34 PDT 2022


Cool!

On Tue, Mar 15, 2022, 12:14 PM Mike Seskin <
Seskin_Michael_X at solarturbines.com> wrote:

> Randy / Doug
>
>
>
> Thanks for all the great info on imagery sources.  Ironically (Randy) you
> mentioned gas turbines, which happens to be connected to my whole reason
> for investigating GIS.  Therefore my imagery requirements are global since
> our engines our scattered throughout the world.  I’ll investigate some of
> the sources you provided, excluding the localized ones.
>
>
>
> *Mike Seskin* *|* EQL
> Office: (858) 694-1851  *|*  Cell: (442) 245-1779
> Email: seskin_michael_x at solarturbines.com
> Solar Turbines Incorporated
>
>
>
>
>
> Caterpillar: Confidential Green
>
> *From:* Randal Hale <rjhale at northrivergeographic.com>
> *Sent:* Tuesday, March 15, 2022 8:10 AM
> *To:* qgis-us-user at lists.osgeo.org; Mike Seskin <
> Seskin_Michael_X at solarturbines.com>
> *Subject:* Re: [Qgis-us-user] New to QGIS and Spatial analysis
>
>
> ------------------------------
>
> *CAUTION: EXTERNAL EMAIL*
> This is a message from rjhale at northrivergeographic.com.
> Use caution when opening unexpected emails and do not click on links or
> attachments from unknown senders.
> For more resources, visit security.cat.com/phishing.
> ------------------------------
>
> That's awesome.
>
>
>
> Google imagery (assuming you're using QuickMapServices) is pushed through
> a service and I think those services are usually pretty locked down with
> licensing plus it's a service so it's just harder to deal with.
>
>
>
> So I **think** you can purchase Google imagery - not sure of the cost.
>
> Depending on where you are and what you're doing here's what I would do:
>
>
>
> 1. Check with the local City/County and see if they have imagery. It will
> be probably 6 inch to 1 foot in resolution. There may be a charge or it may
> be free. Example:  Hamilton County TN has an image service that QGIS can
> use and they sell imagery.
>
>
>
> 2. Check with the state you are in and see what they have. I would search
> for "State of Mike GIS Data" (with Mike being the state you're in) and see
> what pops up. Example: The state has an imagery service and they sell
> imagery to the general public and to counties. Go back to 1 and they
> (county) may give you what they purchased. Tn has free LIDAR data for
> download also.
>
>
>
> 3. Federal is the next step - NAIP (1 meter). That's free and may be
> awesome for what you want or may not be.
> https://www.fsa.usda.gov/programs-and-services/aerial-photography/imagery-programs/naip-imagery/
> <https://urldefense.com/v3/__https:/www.fsa.usda.gov/programs-and-services/aerial-photography/imagery-programs/naip-imagery/__;!!M7dyoZOwuwF45AU!g_b3G6DWyLQszl5jNIBPPCq1kjBm0NqE5eTkVOtsJulvNT91Ke2fDYsgLnYAIDj1r4oCDkNZ7H4$>
>
>
>
>
> 4. Weird use cases that may have imagery in the area - like some utilities
> will fly their own imagery and have that available if you ask nice (I was a
> former Federal Utility Employee in Tennessee which had some gas turbines).
>
>
>
> 5. Landsat will completely work but I think that may still be 30 meter
> pixel size - but it's free. There are some other satellite imagery that is
> free also - you're just trading resolution for cost.
>
>
>
> 6. Planet labs sells imagery - but not sure of the cost on that on either.
>
>
>
> Yeah - that's the hard part -  imagery. Software is easy - imagery makes
> my head hurt.
>
>
>
> Randy
>
>
>
>
>
> On Tuesday, March 15, 2022 10:10:35 AM EDT Mike Seskin wrote:
>
>
>
> > Hi Randal - thanks very much for this high level overview, it's
> incredibly helpful for a beginner
>
> > like me!
>
> >
>
> > I took some excellent earlier direction from Karsten who pointed me
> towards a solution using the
>
> > graphical modeler - it seemed perfect until I ran it and encountered
> some inexplicable error with
>
> > the Google satellite raster - that is until I read your reply, and now
> it makes sense!  What a
>
> > bummer about the licensing  -- as you said the imagery is the kicker!
>
> >
>
> > Are my following imagery options correct?
>
> >
>
> >
>
> >   1.  Purchase a license from Google
>
> >   2.  Use landstat for free
>
> >
>
> > Thanks
>
> >
>
> > Mike Seskin | EQL
>
> > Office: (858) 694-1851  |  Cell: (442) 245-1779
>
> > Email: seskin_michael_x at solarturbines.com
>
> > Solar Turbines Incorporated
>
> >
>
> >
>
> >
>
> > Caterpillar: Confidential Green
>
> > From: Randal Hale <rjhale at northrivergeographic.com>
>
> > Sent: Tuesday, March 15, 2022 6:53 AM
>
> > To: qgis-us-user at lists.osgeo.org; Mike Seskin <
> Seskin_Michael_X at solarturbines.com>
>
> > Subject: Re: [Qgis-us-user] New to QGIS and Spatial analysis
>
> >
>
> > ________________________________
>
> > CAUTION: EXTERNAL EMAIL
>
> > This is a message from
> rjhale at northrivergeographic.com<mailto:rjhale at northrivergeographic.com%3E
> <rjhale at northrivergeographic.com%3cmailto:rjhale at northrivergeographic.com%3E>
> .
>
> > Use caution when opening unexpected emails and do not click on links or
> attachments from unknown
>
> > senders. For more resources, visit http://security.cat.com/phishing.
>
> > ________________________________
>
> >
>
> > Hey Mike - Welcome to the list.
>
> >
>
> >
>
> > So the short answer is yes and the longer answer is Yes it's a little
> complicated but doable.
>
> >
>
> >
>
> > For the explanation I''m going to completely ignore projections - that's
> a whole other discussion.
>
> >
>
> >
>
> > If you had a point (like a tower) you could run the buffer tool and
> buffer it one mile. From there
>
> > I think you would "clip by mask layer" and extract the image. You could
> save that as a geotiff or
>
> > whatever you needed. Life would be good. (I say all that like you know
> where the tools are - look
>
> > for processing at the top of QGIS - that gives you processing tools).
>
> >
>
> >
>
> > The bigger problem is the imagery - you can't clip Google Satellite
> imagery and use that per the
>
> > license from Google. So you would need another image source be it
> landsat or something local
>
> > (maybe the county you're working in has imagery they would share).
> Imagery is a pain.
>
> >
>
> >
>
> > Really - that's the kicker - the imagery. Get that and then there's the
> whole discussion on "get
>
> > it in a local projection" and you're done - it's about three steps in
> QGIS to get what you want.
>
> >
>
> >
>
> > It's completely doable! I dunno how much this has helped but you're on
> the right track.
>
> >
>
> >
>
> > Commands:
>
> >
>
> >
> https://docs.qgis.org/testing/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#qgisbuf
> <https://urldefense.com/v3/__https:/docs.qgis.org/testing/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html*qgisbuf__;Iw!!M7dyoZOwuwF45AU!g_b3G6DWyLQszl5jNIBPPCq1kjBm0NqE5eTkVOtsJulvNT91Ke2fDYsgLnYAIDj1r4oCCQM7GRc$>
>
> > fer<
> https://urldefense.com/v3/__https:/docs.qgis.org/testing/en/docs/user_manual/processing_algs/q
>
> >
> gis/vectorgeometry.html*qgisbuffer__;Iw!!M7dyoZOwuwF45AU!kH6lFpUw2LB9mr5_sJC7Zg6MmXJdUngpW3rDnn-6N
>
> > jHwqzsxp1QIcIxEKimYAZTIwRUeetxWcrE$>
>
> >
>
> >
> https://docs.qgis.org/testing/en/docs/user_manual/processing_algs/gdal/rasterextraction.html#gdalc
> <https://urldefense.com/v3/__https:/docs.qgis.org/testing/en/docs/user_manual/processing_algs/gdal/rasterextraction.html*gdalc__;Iw!!M7dyoZOwuwF45AU!g_b3G6DWyLQszl5jNIBPPCq1kjBm0NqE5eTkVOtsJulvNT91Ke2fDYsgLnYAIDj1r4oCyZZmSyI$>
>
> > liprasterbymasklayer<
> https://urldefense.com/v3/__https:/docs.qgis.org/testing/en/docs/user_manual/
>
> >
> processing_algs/gdal/rasterextraction.html*gdalcliprasterbymasklayer__;Iw!!M7dyoZOwuwF45AU!kH6lFpU
>
> > w2LB9mr5_sJC7Zg6MmXJdUngpW3rDnn-6NjHwqzsxp1QIcIxEKimYAZTIwRUez1pQDmU$>
>
> >
>
> >
>
> > Yell if you need anything!
>
> >
>
> > Randy
>
> >
>
> > On Monday, March 14, 2022 7:10:56 PM EDT Mike Seskin wrote:
>
> > > Preamble:
>
> > >   1.  I've been unsuccessfully searching for answers online for
> several days
>
> > >
>
> > >   2.  I am new to spatial analysis and GIS, and therefore trying to
> figure out what it can and
>
> > >
>
> > > cannot do
>
> > >
>
> > >
>
> > >
>
> > > Question:
>
> > >
>
> > >
>
> > >
>
> > > I recently installed QGIS in the hopes it can help me create satellite
> image files from a shape
>
> > >
>
> > > file consisting of points.  I want to automatically define an area
> (for instance 1 square mile)
>
> > >
>
> > > around each point and save the Google satellite image of each of the
> 1-square mile areas.  Is
>
> > >
>
> > > this possible in QGIS?
>
> > >
>
> > >
>
> > >
>
> > > Thanks
>
> > >
>
> > >
>
> > >
>
> > > Mike Seskin | EQL
>
> > >
>
> > > Office: (858) 694-1851  |  Cell: (442) 245-1779
>
> > >
>
> > > Email:
> seskin_michael_x at solarturbines.com<mailto:seskin_michael_x at solarturbines.com%3E
> <seskin_michael_x at solarturbines.com%3cmailto:seskin_michael_x at solarturbines.com%3E>
>
> > >
>
> > > Solar Turbines Incorporated
>
> > >
>
> > >
>
> > >
>
> > >
>
> > >
>
> > >
>
> > >
>
> > > Caterpillar: Confidential Green
>
> >
>
> > --
>
> >
>
> > -------------
>
> >
>
> > Randal Hale
>
> >
>
> > North River Geographic Systems, Inc
>
> >
>
> >
> https://www.northrivergeographic.com<https://urldefense.com/v3/__https:/www.northrivergeographic.c
> <https://urldefense.com/v3/__https:/www.northrivergeographic.com*3Chttps:/*urldefense.com/v3/__https:/www.northrivergeographic.c__;JS8!!M7dyoZOwuwF45AU!g_b3G6DWyLQszl5jNIBPPCq1kjBm0NqE5eTkVOtsJulvNT91Ke2fDYsgLnYAIDj1r4oCxGWHR38$>
>
> >
> om__;!!M7dyoZOwuwF45AU!kH6lFpUw2LB9mr5_sJC7Zg6MmXJdUngpW3rDnn-6NjHwqzsxp1QIcIxEKimYAZTIwRUexeg9u2g
>
> > $>
>
> >
>
> > (p) 423.653.3611
>
> >
>
> > (e)
> rjhale at northrivergeographic.com<mailto:rjhale at northrivergeographic.com%3E
> <rjhale at northrivergeographic.com%3cmailto:rjhale at northrivergeographic.com%3E>
>
> --
>
> -------------
>
> Randal Hale
>
> North River Geographic Systems, Inc
>
> https://www.northrivergeographic.com
> <https://urldefense.com/v3/__https:/www.northrivergeographic.com__;!!M7dyoZOwuwF45AU!g_b3G6DWyLQszl5jNIBPPCq1kjBm0NqE5eTkVOtsJulvNT91Ke2fDYsgLnYAIDj1r4oCoAMojnU$>
>
> (p) 423.653.3611
>
> (e) rjhale at northrivergeographic.com
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-us-user/attachments/20220315/89bbd290/attachment-0001.html>


More information about the Qgis-us-user mailing list