here you go: http://www.gdal.org/gdal_rasterize.html
Simone. ------------------------------------------------------- === Notice that our office phone number has recently changed! Please, update your records! === Ing. Simone Giannecchini GeoSolutions S.A.S. Founder Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584962313 fax: +39 0584962313 mob: +39 333 8128928 http://www.geo-solutions.it http://geo-solutions.blogspot.com/ http://www.linkedin.com/in/simonegiannecchini http://twitter.com/simogeo ------------------------------------------------------- On Wed, Nov 3, 2010 at 9:06 PM, Armisael <[email protected]> wrote: > Ciao Simone, > thanks for your reply! > I solved the problem just scaling each tile from 0 to 65535 using > gdal_translate, but now that I read your post it's perfectly clear why I had > that result, and how to solve the problem in a proper way... Thank you! > The next step will be to try to create a raster from a vector, let see what > I can do =) > Grazie ancora! > -- > Stefano > > > On 3 November 2010 08:41, Simone Giannecchini > <[email protected]> wrote: >> >> Ciao Stefano, >> please read below... >> ------------------------------------------------------- >> === >> Notice that our office phone number has recently changed! >> Please, update your records! >> === >> Ing. Simone Giannecchini >> GeoSolutions S.A.S. >> Founder >> Via Poggio alle Viti 1187 >> 55054 Massarosa (LU) >> Italy >> >> phone: +39 0584962313 >> fax: +39 0584962313 >> mob: +39 333 8128928 >> >> >> http://www.geo-solutions.it >> http://geo-solutions.blogspot.com/ >> http://www.linkedin.com/in/simonegiannecchini >> http://twitter.com/simogeo >> >> ------------------------------------------------------- >> >> >> >> On Wed, Oct 20, 2010 at 5:27 PM, Armisael <[email protected]> >> wrote: >> > Ok, some update, >> > >> > thanks to you now I can see my DTED level 0! But there is a (little?) >> > problem: it seems that in the resulting image the tiles are not >> > correctly merged, since every single tile has its own color range, so >> > at the borders there is a marked difference. This happen with all the >> > methods I tried: >> > - using gdal_merge.py to merge all the tiles directly from the dt0 >> > files; >> > - using gdal_translate to create a tiff for every dt0 file and then >> > merging them with gdal_merge.py; >> > - using the imagemosaic plugin on the 414 small tiffs created from the >> > dt0 files. >> > >> > Note that gdal_translate called with param "-expand rgb" (just for >> > testing) gave me "Error : band 1 has no color table". >> >> The dted is single band raw data (16 bits) I don't see how a color >> expansion would work on this data. It needs >> a colormapped imagery. >> >> > Note also that the generated geotiff appears completely black, the >> > only way to see the DTED is to open it using geoserver, or to increase >> > the contrast using an image editor... So the file is correctly >> > created, but something wrong happens on the color interval used, >> > probably. >> >> Again, I see a little confisione here. DTED data is not a picture is >> elevation data on 16 bits, therefore if you try to visualize it >> directly you should see all black since >> the heighest point on the eart is less than 9000 while the maximum >> value allowed by 16 bits is much bigger, therefore the dynamic of the >> data is compressed towards zero (black). >> >> >> Here is what you need to do: >> >> -1- try to merge the data into larget geotiff + add overviews >> -2- use a proper style, you can find some more info here: >> http://blog.geoserver.org/2008/11/20/raster-symbolizer-tricks-part-1/ >> >> >> Ciao, >> Simone. >> >> >> >> > >> > Thank you! >> > >> > -- >> > Stefano >> > >> > >> > >> > On 19 October 2010 22:42, Armisael <[email protected]> wrote: >> >> Thank you for your suggestion, if I've understood correctly I should: >> >> - convert all the tiles in geotiff >> >> - merge them into larger geotiff if needed >> >> - create an index file (shapefile) for the ImageMosaic plugin and >> >> configure it in geoserver >> >> >> >> I'm developing a webgis for an humanitarian organization working in >> >> Zambia, right now I'm trying to load generic data like boundaries, >> >> cities, interesting location and DTED, then I'll have to create new >> >> vector and raster layers from their database... >> >> >> >> I'll let you know! >> >> >> >> Thanks again >> >> >> >> -- >> >> Stefano >> >> >> >> >> >> >> >> On 18 October 2010 03:50, Simone Giannecchini >> >> <[email protected]> wrote: >> >>> I would also add this: >> >>> >> >>> - create a script using gdal traslate and convert them to geotiff >> >>> - merge the single files, in case they are small into larger geotiff >> >>> files. >> >>> >> >>> Aside, can you tell us something about what you are doing with >> >>> GeoServer? >> >>> Simone. >> >>> ------------------------------------------------------- >> >>> === >> >>> Notice that our office phone number has recently changed! >> >>> Please, update your records! >> >>> === >> >>> Ing. Simone Giannecchini >> >>> GeoSolutions S.A.S. >> >>> Founder >> >>> Via Poggio alle Viti 1187 >> >>> 55054 Massarosa (LU) >> >>> Italy >> >>> >> >>> phone: +39 0584962313 >> >>> fax: +39 0584962313 >> >>> mob: +39 333 8128928 >> >>> >> >>> >> >>> http://www.geo-solutions.it >> >>> http://geo-solutions.blogspot.com/ >> >>> http://www.linkedin.com/in/simonegiannecchini >> >>> http://twitter.com/simogeo >> >>> >> >>> ------------------------------------------------------- >> >>> >> >>> >> >>> >> >>> On Mon, Oct 18, 2010 at 8:34 AM, Andrea Aime >> >>> <[email protected]> wrote: >> >>>> On Mon, Oct 18, 2010 at 5:20 AM, Armisael <[email protected]> >> >>>> wrote: >> >>>>> OK, it seems that I have to insert the dt0 file in order to create >> >>>>> the >> >>>>> store, and it works! >> >>>>> Not, the point is that I have 414 dt0 files! Do I really have to >> >>>>> create a store for each of them? >> >>>>> Do you know if there is something more appropriate for this task? Or >> >>>>> at least if there is an automatic way to do it? >> >>>> >> >>>> Many files. Are they tiles of the same seamless data set? >> >>>> If so, put all of them in the same directory and point the image >> >>>> mosaic plugin >> >>>> to it. >> >>>> Otherwise you can use the REST config extension and create a script >> >>>> to import >> >>>> them all with your preferred scripting language >> >>>> >> >>>> Cheers >> >>>> Andrea >> >>>> >> >>>> ----------------------------------------------------- >> >>>> Ing. Andrea Aime >> >>>> Senior Software Engineer >> >>>> >> >>>> GeoSolutions S.A.S. >> >>>> Via Poggio alle Viti 1187 >> >>>> 55054 Massarosa (LU) >> >>>> Italy >> >>>> >> >>>> phone: +39 0584962313 >> >>>> fax: +39 0584962313 >> >>>> >> >>>> http://www.geo-solutions.it >> >>>> http://geo-solutions.blogspot.com/ >> >>>> http://www.linkedin.com/in/andreaaime >> >>>> http://twitter.com/geowolf >> >>>> >> >>>> ----------------------------------------------------- >> >>>> >> >>>> >> >>>> ------------------------------------------------------------------------------ >> >>>> Download new Adobe(R) Flash(R) Builder(TM) 4 >> >>>> The new Adobe(R) Flex(R) 4 and Flash(R) Builder(TM) 4 (formerly >> >>>> Flex(R) Builder(TM)) enable the development of rich applications that >> >>>> run >> >>>> across multiple browsers and platforms. Download your free trials >> >>>> today! >> >>>> http://p.sf.net/sfu/adobe-dev2dev >> >>>> _______________________________________________ >> >>>> Geoserver-users mailing list >> >>>> [email protected] >> >>>> https://lists.sourceforge.net/lists/listinfo/geoserver-users >> >>>> >> >>> >> >> >> > >> > >> > ------------------------------------------------------------------------------ >> > Nokia and AT&T present the 2010 Calling All Innovators-North America >> > contest >> > Create new apps & games for the Nokia N8 for consumers in U.S. and >> > Canada >> > $10 million total in prizes - $4M cash, 500 devices, nearly $6M in >> > marketing >> > Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store >> > http://p.sf.net/sfu/nokia-dev2dev >> > _______________________________________________ >> > Geoserver-users mailing list >> > [email protected] >> > https://lists.sourceforge.net/lists/listinfo/geoserver-users >> > > > ------------------------------------------------------------------------------ The Next 800 Companies to Lead America's Growth: New Video Whitepaper David G. Thomson, author of the best-selling book "Blueprint to a Billion" shares his insights and actions to help propel your business during the next growth cycle. Listen Now! http://p.sf.net/sfu/SAP-dev2dev _______________________________________________ Geoserver-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
