[Qgis-user] Convrting vector to raster: rasterize (vecor to raster ) in QGIS

[Santiago Banchero]

Hi,
   you need fix the *-ot* parameter manually and set a Data Type according
to your trouble.

Regards
Santiago


2013/3/22 Manuel Spínola <mspinola10 at gmail.com>

> Dear list members,
>
> I am trying to convert a vector (shapefile) to a raster using the option
> Conversion -> rasterize under the raster menu, however I don´t understand
> the result that I am getting. The values of the raster does not make any
> sense the min: -1.79769e+308 and max: 1.79769e+308
>
>
> I am also doing the same thing in R and I got reasonable results, the
> values of the raster goes from 1 to 10, the ones that I expected.
>
> > raster_agri
> class       : RasterLayer
> dimensions  : 300, 300, 90000  (nrow, ncol, ncell)
> resolution  : 207.5064, 133.2117  (x, y)
> extent      : 440239.3, 502491.2, 1032331, 1072294  (xmin, xmax, ymin,
> ymax)
> coord. ref. : +proj=tmerc +lat_0=0 +lon_0=-84 +k=0.9999 +x_0=500000 +y_0=0
> +ellps=WGS84 +units=m +no_defs
> data source : in memory
> names       : layer
> values      : 1, 10  (min, max)
>
>
>
> And even when I import this to QGIS the values of the raster does not make
> any sense either min: -2.14748e+09 and max: 2.14748e+09
>
> Any clue on this.
>
> Best,
>
> Manuel
>
> --
> *Manuel Spínola, Ph.D.*
> Instituto Internacional en Conservación y Manejo de Vida Silvestre
> Universidad Nacional
> Apartado 1350-3000
> Heredia
> COSTA RICA
> mspinola at una.ac.cr
> mspinola10 at gmail.com
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> Fax: (506) 2237-7036
> Personal website: Lobito de río<https://sites.google.com/site/lobitoderio/>
> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>
>
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>


-- 
Santiago Banchero
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