[Qgis-user] export data with tiff etc...
Drew French
fullboarfarm at gmail.com
Tue Jun 11 10:00:26 PDT 2024
Do the coordinate systems of the csv and the tiff match?
On Tue, Jun 11, 2024, 11:14 AM <qgis-user-request at lists.osgeo.org> wrote:
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> 1. Re: Fwd: Export data with tiff and csv files in QGIS 3.36.3
> (Richard McDonnell)
> 2. Re: Fwd: Export data with tiff and csv files in QGIS 3.36.3
> (chris hermansen)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 11 Jun 2024 16:07:22 +0000
> From: Richard McDonnell <richard.mcdonnell at opw.ie>
> To: ????? ?????? <sofitsitou at gmail.com>
> Cc: "qgis-user at lists.osgeo.org" <qgis-user at lists.osgeo.org>
> Subject: Re: [Qgis-user] Fwd: Export data with tiff and csv files in
> QGIS 3.36.3
> Message-ID:
> <
> DB9P189MB205172C71C3320A32334AF5099C72 at DB9P189MB2051.EURP189.PROD.OUTLOOK.COM
> >
>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Sofia,
> I unfortunately am unable to access the files you sent, as there are
> restrictions on our systems here in relation to accessing files.
> Apologies for that.
> Kind Regards,
>
> Richard
>
>
> ??
> Richard McDonnell MSc GIS, FME Certified Professional
> Flood Risk Management - Data Management
>
> ??
> Oifig na nOibreacha Poibl?
> Office of Public Works
>
> Sr?id Jonathan Swift, Baile ?tha Troim, Co na M?, C15 NX36
> Jonathan Swift Street, Trim, Co Meath, C15 NX36
> ??
> M +353 87 688 5964 T +353 46 942 2409
> https://gov.ie/opw
>
> ??
> To send me files larger than 30MB, please use the link below
> https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie
>
> Email Disclaimer:
> https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/
> From: ????? ?????? <sofitsitou at gmail.com>
> Sent: 11 June 2024 14:34
> To: Richard McDonnell <richard.mcdonnell at opw.ie>
> Cc: qgis-user at lists.osgeo.org
> Subject: Re: [Qgis-user] Fwd: Export data with tiff and csv files in QGIS
> 3.36.3
>
> [https://ssl.gstatic.com/docs/doclist/images/icon_10_generic_list.png]
> igme5000.tif<
> https://drive.google.com/file/d/1vxfYWoy-Z24hCoYXNwELB6gJqQC2I6c0/view?usp=drive_web
> >[X]
> Dear Richard,
>
> Thank you very much for your quick response. I followed this procedure
> many times but unfortunately I g?t null values. Attached you can find the
> files that I used (two different tiff maps-I use one map each time- and one
> csv file with the coordinates). I can't find out if there's a problem with
> my files or something I'm not doing right in the process.
>
> Thank you.
>
> Warm regards,
> Sofia Tsitou
>
> ???? ??? 11 ???? 2024 ???? 3:42??.?., ?/? Richard McDonnell <
> richard.mcdonnell at opw.ie<mailto:richard.mcdonnell at opw.ie>> ??????:
> Hi Sofia,
> So I will start from the beginning, hopefully I understand your query
> properly?
>
>
> 1. Add your Raster to the Canvas
>
> 2. Using the Data Source Manager and Delimited Text, I add the CSV,
> making sure the Headers, Columns and rows are correct, while also
> setting/specifying the X, Y and Z fields (as required)
>
> 3. This will result in a Point Dataset being added to the Canvas,
> with the CSV loaded as a temporary layer
>
> 4. In the Processing Toolbox search bar, type ?sample? and then
> select Sample raster values
>
> a. Input layer set to the Point Dataset
>
> b. Raster Layer set to the Raster you want to analyse
>
> c. Output column Prefix is handy if you have multiple datasets you
> want to sample, as you can change this for each subsequent sample.
>
> d. Sampled you can specify a Location for your output dataset, or
> you can leave it as a temporary layer until you have carried out all
> sampling.
>
> I hope that clarifies things,
>
> Kind Regards,
>
> Richard
>
>
>
> ??
> Richard McDonnell MSc GIS, FME Certified Professional
> Flood Risk Management - Data Management
>
> ??
> Oifig na nOibreacha Poibl?
> Office of Public Works
>
> Sr?id Jonathan Swift, Baile ?tha Troim, Co na M?, C15 NX36
> Jonathan Swift Street, Trim, Co Meath, C15 NX36
> ??
> M +353 87 688 5964 T +353 46 942 2409
> https://gov.ie/opw
>
> ??
> To send me files larger than 30MB, please use the link below
> https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie
>
> Email Disclaimer:
> https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/
>
> From: QGIS-User <qgis-user-bounces at lists.osgeo.org<mailto:
> qgis-user-bounces at lists.osgeo.org>> On Behalf Of S?F?? ?S???? via
> QGIS-User
> Sent: 11 June 2024 12:52
> To: qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>
> Subject: [Qgis-user] Fwd: Export data with tiff and csv files in QGIS
> 3.36.3
>
>
> Dear QGIS team,
>
> I have two maps in tiff format and coordinates in csv format and I try
> through zonal statistics and sample raster values to export the data but it
> gives me null values. Could you tell me the steps to extract the data
> because I might be making a mistake?
>
> Thank you in advance,
> Sofia Tsitou
> --
> Tsitou Sofia
>
> ?djunct Lecturer
> Department of Economics
> University of Ioannina
> Greece
>
> Post Doctoral Fellow
> Department of Economics
> University of Macedonia, Thessaloniki
> Greece
>
> Research Fellow
> DAISSy Research Group
> Hellenic Open University
> Greece
>
> e-mail: sofitsitou at gmail.com<mailto:sofitsitou at gmail.com>
> Homepage: https://sites.google.com/view/sofiatsitou/home <
> https://sites.google.com/view/sofiatsitou/home>
>
>
> --
> Tsitou Sofia
>
> ?djunct Lecturer
> Department of Economics
> University of Ioannina
> Greece
>
> Post Doctoral Fellow
> Department of Economics
> University of Macedonia, Thessaloniki
> Greece
>
> Research Fellow
> DAISSy Research Group
> Hellenic Open University
> Greece
>
> e-mail: sofitsitou at gmail.com<mailto:sofitsitou at gmail.com>
> Homepage: https://sites.google.com/view/sofiatsitou/home <
> https://sites.google.com/view/sofiatsitou/home>
>
>
> --
> Tsitou Sofia
>
> ?djunct Lecturer
> Department of Economics
> University of Ioannina
> Greece
>
> Post Doctoral Fellow
> Department of Economics
> University of Macedonia, Thessaloniki
> Greece
>
> Research Fellow
> DAISSy Research Group
> Hellenic Open University
> Greece
>
> e-mail: sofitsitou at gmail.com<mailto:sofitsitou at gmail.com>
> Homepage: https://sites.google.com/view/sofiatsitou/home <
> https://sites.google.com/view/sofiatsitou/home>
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>
> ------------------------------
>
> Message: 2
> Date: Tue, 11 Jun 2024 09:13:51 -0700
> From: chris hermansen <clhermansen at gmail.com>
> To: Richard McDonnell <richard.mcdonnell at opw.ie>
> Cc: ????? ?????? <sofitsitou at gmail.com>, "qgis-user at lists.osgeo.org"
> <qgis-user at lists.osgeo.org>
> Subject: Re: [Qgis-user] Fwd: Export data with tiff and csv files in
> QGIS 3.36.3
> Message-ID:
> <CACc2_6_VY-0hWD2GuvaK5Rus4Wg2UfnafoSYGJ0fHPFWx=
> E3xQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Richard, Sofia and list;
>
> Sorry to top post here, but I wonder if this might be due to the various
> input layers being in different coordinate systems? I seem to recall a
> problem like that from "back in the day".
>
> On Tue, Jun 11, 2024 at 9:07?AM Richard McDonnell via QGIS-User <
> qgis-user at lists.osgeo.org> wrote:
>
> > Hi Sofia,
> >
> > I unfortunately am unable to access the files you sent, as there are
> > restrictions on our systems here in relation to accessing files.
> >
> > Apologies for that.
> >
> > Kind Regards,
> >
> >
> >
> > Richard
> >
> >
> >
> > ??
> > Richard McDonnell MSc GIS, FME Certified Professional
> > *Flood Risk Management - Data Management*
> >
> > ??
> > Oifig na nOibreacha Poibl?
> > Office of Public Works
> >
> > Sr?id Jonathan Swift, Baile ?tha Troim, Co na M?, C15 NX36
> > Jonathan Swift Street, Trim, Co Meath, C15 NX36
> > ??
> > M +353 87 688 5964 T +353 46 942 2409
> > https://gov.ie/opw
> >
> > ??
> > To send me files larger than 30MB, please use the link below
> > https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie
> >
> > Email Disclaimer:
> > https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/
> >
> > *From:* ????? ?????? <sofitsitou at gmail.com>
> > *Sent:* 11 June 2024 14:34
> > *To:* Richard McDonnell <richard.mcdonnell at opw.ie>
> > *Cc:* qgis-user at lists.osgeo.org
> > *Subject:* Re: [Qgis-user] Fwd: Export data with tiff and csv files in
> > QGIS 3.36.3
> >
> >
> >
> > igme5000.tif
> > <
> https://drive.google.com/file/d/1vxfYWoy-Z24hCoYXNwELB6gJqQC2I6c0/view?usp=drive_web
> >
> >
> > Dear Richard,
> >
> >
> >
> > Thank you very much for your quick response. I followed this procedure
> > many times but unfortunately I g?t null values. Attached you can find the
> > files that I used (two different tiff maps-I use one map each time- and
> one
> > csv file with the coordinates). I can't find out if there's a problem
> with
> > my files or something I'm not doing right in the process.
> >
> >
> >
> > Thank you.
> >
> >
> >
> > Warm regards,
> >
> > Sofia Tsitou
> >
> >
> >
> > ???? ??? 11 ???? 2024 ???? 3:42??.?., ?/? Richard McDonnell <
> > richard.mcdonnell at opw.ie> ??????:
> >
> > Hi Sofia,
> >
> > So I will start from the beginning, hopefully I understand your query
> > properly?
> >
> >
> >
> > 1. Add your Raster to the Canvas
> >
> > 2. Using the *Data Source Manager* and *Delimited Text*, I add the
> > CSV, making sure the Headers, Columns and rows are correct, while also
> > setting/specifying the X, Y and Z fields (as required)
> >
> > 3. This will result in a Point Dataset being added to the Canvas,
> > with the CSV loaded as a temporary layer
> >
> > 4. In the Processing Toolbox search bar, type ?*sample*? and then
> > select *Sample raster values*
> >
> > a. *Input layer* set to the Point Dataset
> >
> > b. *Raster Layer* set to the Raster you want to analyse
> >
> > c. *Output column Prefix* is handy if you have multiple datasets
> > you want to sample, as you can change this for each subsequent sample.
> >
> > d. *Sampled* you can specify a Location for your output dataset, or
> > you can leave it as a temporary layer until you have carried out all
> > sampling.
> >
> >
> >
> > I hope that clarifies things,
> >
> >
> >
> > Kind Regards,
> >
> >
> >
> > Richard
> >
> >
> >
> >
> >
> >
> > * ??*
> > *Richard McDonnell MSc GIS, FME Certified Professional*
> > *Flood Risk Management - Data Management*
> >
> > ??
> > *Oifig na nOibreacha Poibl?*
> > Office of Public Works
> >
> > *Sr?id Jonathan Swift, Baile ?tha Troim, Co na M?, C15 NX36 *
> > Jonathan Swift Street, Trim, Co Meath, C15 NX36
> > ??
> > M +353 87 688 5964 T +353 46 942 2409
> > https://gov.ie/opw
> >
> > ??
> > To send me files larger than 30MB, please use the link below
> > https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie
> >
> > Email Disclaimer:
> > https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/
> >
> > *From:* QGIS-User <qgis-user-bounces at lists.osgeo.org> *On Behalf Of
> *S?F??
> > ?S???? via QGIS-User
> > *Sent:* 11 June 2024 12:52
> > *To:* qgis-user at lists.osgeo.org
> > *Subject:* [Qgis-user] Fwd: Export data with tiff and csv files in QGIS
> > 3.36.3
> >
> >
> >
> >
> >
> > Dear QGIS team,
> >
> >
> >
> > I have two maps in tiff format and coordinates in csv format and I try
> > through zonal statistics and sample raster values to export the data but
> it
> > gives me null values. Could you tell me the steps to extract the data
> > because I might be making a mistake?
> >
> >
> >
> > Thank you in advance,
> >
> > Sofia Tsitou
> >
> > --
> >
> > Tsitou Sofia
> >
> >
> >
> > ?djunct Lecturer
> >
> > Department of Economics
> >
> > University of Ioannina
> >
> > Greece
> >
> >
> >
> > Post Doctoral Fellow
> >
> > Department of Economics
> >
> > University of Macedonia, Thessaloniki
> >
> > Greece
> >
> >
> >
> > Research Fellow
> >
> > DAISSy Research Group
> >
> > Hellenic Open University
> >
> > Greece
> >
> >
> >
> > e-mail: sofitsitou at gmail.com
> >
> > Homepage: https://sites.google.com/view/sofiatsitou/home
> > <https://sites.google.com/view/sofiatsitou/home>
> >
> >
> >
> >
> > --
> >
> > Tsitou Sofia
> >
> >
> >
> > ?djunct Lecturer
> >
> > Department of Economics
> >
> > University of Ioannina
> >
> > Greece
> >
> >
> >
> > Post Doctoral Fellow
> >
> > Department of Economics
> >
> > University of Macedonia, Thessaloniki
> >
> > Greece
> >
> >
> >
> > Research Fellow
> >
> > DAISSy Research Group
> >
> > Hellenic Open University
> >
> > Greece
> >
> >
> >
> > e-mail: sofitsitou at gmail.com
> >
> > Homepage: https://sites.google.com/view/sofiatsitou/home
> > <https://sites.google.com/view/sofiatsitou/home>
> >
> >
> >
> >
> > --
> >
> > Tsitou Sofia
> >
> >
> >
> > ?djunct Lecturer
> >
> > Department of Economics
> >
> > University of Ioannina
> >
> > Greece
> >
> >
> >
> > Post Doctoral Fellow
> >
> > Department of Economics
> >
> > University of Macedonia, Thessaloniki
> >
> > Greece
> >
> >
> >
> > Research Fellow
> >
> > DAISSy Research Group
> >
> > Hellenic Open University
> >
> > Greece
> >
> >
> >
> > e-mail: sofitsitou at gmail.com
> >
> > Homepage: https://sites.google.com/view/sofiatsitou/home
> > <https://sites.google.com/view/sofiatsitou/home>
> > _______________________________________________
> > QGIS-User mailing list
> > QGIS-User at lists.osgeo.org
> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
> >
>
>
> --
> Chris Hermansen ? clhermansen "at" gmail "dot" com
>
> C'est ma fa?on de parler.
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