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| − | <H3>
| + | --[[利用者:Sanak|Sanak]] 2009年10月5日 (月) 14:12 (UTC)このページは削除予定です。 |
| − | Displaying GeoRaster
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| − | </H3>
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| − | <P>
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| − | Finally, by selecting a GeoRaster from the list of Raster Data Table and Raster Id's, the raster image will be
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| − | loaded into QGIS.
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| − | <P>
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| − | The Select Oracle Spatial GeoRaster dialog window can be closed now and next time it opens it will keep the same
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| − | connection, and will show the same previous list of subdataset making it very easy to open up another image
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| − | from the same context.
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| − | <P>
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| − | <SPAN CLASS="textbf">Note:</SPAN> GeoRasters that contains pyramids will display much faster but the pyramids need to be generated
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| − | outside of QGIS using Oracle PL/SQL or gdaladdo.
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| − | <P>
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| − | The following is example using gdaladdo:
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| − | <P>
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| − | <PRE>
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| − | gdaladdo georaster:scott/tiger@orcl,georaster\_table,georaster,georid=6 -r
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| − | nearest 2 4 6 8 16 32
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| − | </PRE>
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| − | <P>
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| − | This is an example using PL/SQL:
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| − | cd ..
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| − | <PRE>
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| − | $ sqlplus scott/tiger
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| − | SQL> DECLARE
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| − | gr sdo_georaster;
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| − | BEGIN
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| − | SELECT image INTO gr FROM cities WHERE id = 1 FOR UPDATE;
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| − | sdo_geor.generatePyramid(gr, 'rLevel=5, resampling=NN');
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| − | UPDATE cities SET image = gr WHERE id = 1;
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| − | COMMIT;
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| − | END;
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| − | /
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| − | </PRE>
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| − | <P>
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| − | <BR><HR>
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2009年10月5日 (月) 23:12時点における最新版
--Sanak 2009年10月5日 (月) 14:12 (UTC)このページは削除予定です。
