[Qgis-user] Rasterize (2)

[Alexandre Neto]

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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