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

[Manuel Spínola]

Thank you very much Santiago,

I don´t understand your suggestion. Could you be more specific.

Best,

Manuel


2013/3/22 Santiago Banchero <santiagobanchero at gmail.com>

> 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
>> Teléfono: (506) 2277-3598
>> 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
>
>


-- 
*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
Teléfono: (506) 2277-3598
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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