[Qgis-user] QGIS Model Designer
Nicolas Cadieux
njacadieux.gitlab at gmail.com
Wed Jan 12 08:31:27 PST 2022
HI,
Python is installed with QGIS. The easiest way is to go to plugins ->
Python console.
Nicolas
On 2022-01-12 5:37 a.m., Richard McDonnell wrote:
>
> Hi,
>
> Thanks for getting back. I am afraid I have no Python, but I will give
> it a go!!
>
> Regards & Thanks
>
> Richard.
>
>
> ——
> Richard McDonnell MSc GIS, FME Certified Professional
> /FRM Data Management/
>
> ——
> Oifig na nOibreacha Poiblí
> Office of Public Works
>
> Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, 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
>
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>
> *From:*Ujaval Gandhi <ujaval at spatialthoughts.com>
> *Sent:* 11 January 2022 14:22
> *To:* Richard McDonnell <richard.mcdonnell at opw.ie>
> *Cc:* qgis-user at lists.osgeo.org
> *Subject:* Re: [Qgis-user] QGIS Model Designer
>
> The batch processing and modeler are mising the 'iterate' feature, and
> this type of batch processing + merge functionality will be useful. I
> have a tutorial on how to write a bit of pyqgis code to do this that
> shows exactly the use case you have. But it can be used with any other
> processing algorithm.
> https://www.qgistutorials.com/en/docs/3/processing_algorithms_pyqgis.html
>
> Image removed by sender. Logo <https://spatialthoughts.com/>
>
>
>
> *Ujaval Gandhi***
>
> Spatial Thoughts
>
> mobile: +91-8095684687
>
> email: ujaval at spatialthoughts.com <mailto:ujaval at spatialthoughts.com>
>
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>
>
> On Mon, Jan 10, 2022 at 4:52 PM Richard McDonnell
> <richard.mcdonnell at opw.ie> wrote:
>
> Hi All,
>
> Apologies, but I think I have found a Plugin, which looks
> promising “Point sampling tool” which seems to do what I want.
>
> Regards,
>
> Richard
>
> *
> ——*
> *Richard McDonnell MSc GIS, FME Certified Professional*
> /FRM Data Management/
>
> ——
> *Oifig na nOibreacha Poiblí*
> Office of Public Works
>
> *Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36 *
> Jonathan Swift Street, Trim, Co Meath, C15 NX36
> ——
> M +353 87 688 5964 T +353 46 942 2409
> https://gov.ie/opw <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
> <https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie>
>
> Email Disclaimer:
> https://www.gov.ie/en/organisation-information/439daf-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 *Richard
> McDonnell
> *Sent:* 10 January 2022 11:18
> *To:* qgis-user at lists.osgeo.org <mailto:qgis-user at lists.osgeo.org>
> *Subject:* [Qgis-user] QGIS Model Designer
>
> Hi all.
>
> I have been asked to sample over 100 raster pixel values using a
> single point file.
>
> I can use the “Sample raster values” Tool, but this only outputs
> for one Raster. I have looked at batching this, but it will
> produce 100’s of point files which I will have to merge together.
> So I was looking at using the Model Designer, but again it can’t
> accept multiple raster inputs.
>
> What I would like to know, is how I might easily create a single
> shapefile with a column for each raster containing the sampled
> value. The easiest way would be to somehow sample the first raster
> saving the output then loop back to the second raster, but this
> time using output from the first sampling to sample the second.
> This looping would continue until all raster’s had been sampled.
>
> Any help appreciated.
>
> Regards,
>
> Richard
>
> *
> ——*
> *Richard McDonnell MSc GIS, FME Certified Professional*
> /FRM Data Management/
>
> ——
> *Oifig na nOibreacha Poiblí*
> Office of Public Works
>
> *Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36 *
> Jonathan Swift Street, Trim, Co Meath, C15 NX36
> ——
> M +353 87 688 5964 T +353 46 942 2409
> https://gov.ie/opw <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
> <https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie>
>
> Email Disclaimer:
> https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/
> <https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/>
>
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--
Nicolas Cadieux
https://gitlab.com/njacadieux
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