[Qgis-user] Rasterize (2)

[Alexandre Neto]

Ah! What you are looking for is the TIN Interpolation tool.

https://docs.qgis.org/testing/en/docs/user_manual/processing_algs/qgis/interpolation.html#tin-interpolation

Alexandre Neto
QGIS Support
www.qcooperative.net



A terça, 29/10/2019, 16:18, Carolina Rey <carredy at hotmail.com> escreveu:

> Thank you for the answer. I will anyway not be able to use it because of
> missing information.
> I am also not sure if this tool is going to give me the result I need,
> which is the raster of a digital elevation model as a polyline. Is there a
> special tool for that? I only found an ArcGIS tutorial which uses its
> function "topo to raster" and I can't find a similar tool in QGIS.
>
> Thank you again (agian and again)
> Carolina
>
> ------------------------------
> *De:* Alexandre Neto <senhor.neto at gmail.com>
> *Enviado:* martes, 29 de octubre de 2019 15:50
> *Para:* Carolina Rey <carredy at hotmail.com>
> *Cc:* QGIS User <qgis-user at lists.osgeo.org>
> *Asunto:* Re: [Qgis-user] Rasterize (2)
>
> You can determine how the image resolution in two ways:
>
> 1. Using the extent and the size of the pixels (which will calculate the
> number of rows and columns necessary), commonly named pixel resolution.
> 2. Using the extent and dimensions in rows in columns (which will
> calculate the size of individual pixels)
>
> For option 1, you use the georeferenced units, and fill the next two
> options with the pixel resolution in the georeferences units, for example
> 10 x 10 m.
> For option 2, you choose "pixels" and fill the next two options with the
> number os columns and rows of your output raster.
>
> Maybe the documentation could be more clear.
>
> Hope this helps.
>
> Alexandre Neto
> QGIS Support
> www.qcooperative.net
>
> On Tue, Oct 29, 2019 at 9:51 AM Carolina Rey <carredy at hotmail.com> wrote:
>
> Thanks for the email.
>
> Actually I red the documentation but I don’t know what you mean by „pixel
> resolution in map units“. There is only an Option to choose Pixel or
> georeferenced units. I tried both…
>
>
>
>
>
>
> ------------------------------
> *Von:* Alexandre Neto <senhor.neto at gmail.com>
> *Gesendet:* Tuesday, October 29, 2019 10:42:46 AM
> *An:* Carolina Rey <carredy at hotmail.com>
> *Betreff:* Re: [Qgis-user] Rasterize (2)
>
> The rasterize tool has two options.
>
> Either use the number of horizontal and vertical pixels, width and height
> or the pixel resolution in map units.
>
> I suppose you are using the first one, thinking you are using the last. It
> happened to me too.
>
> In any case, when in doubt, press the help button.. it will lead you to
> our lovely documentation:
>
>
> https://docs.qgis.org/3.4/en/docs/user_manual/processing_algs/gdal/vectorconversion.html#id4
>
> Alexandre Neto
> QGIS Support
> www.qcooperative.net
>
>
>
> A terça, 29/10/2019, 08:41, Carolina Rey <carredy at hotmail.com> escreveu:
>
> Hello everyone,
>
> to my last E-Mail (about rasterizing).
> I actually don't know how to set the values "horizontal" and "vertical". I
> tried with 30, 100 and more and the pixels in the result are big and the
> image isn't continuous although it should be.
>
> Thanks
> Carolina
>
>
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