Examples of org.geotools.gce.imagemosaic.jdbc.ImageLevelInfo

Package org.geotools.gce.imagemosaic.jdbc

Examples of org.geotools.gce.imagemosaic.jdbc.ImageLevelInfo

org.geotools.gce.imagemosaic.jdbc.ImageLevelInfo
Java Bean for pyramid level information. For each pyramid and the original image, there is one ImageLevelInfo object @author mcr @source $URL$

        
        String stmt = "select RESX,RESY from oek order by level";
        PreparedStatement ps = con.prepareStatement(stmt);
        ResultSet rs = ps.executeQuery();
        while (rs.next()) {
            ImageLevelInfo li = new ImageLevelInfo();
            getLevelInfos().add(li);
            li.setResX(rs.getDouble(1));
            li.setResY(rs.getDouble(2)*-1);
            li.setExtentMinX(extent.getMinX());
            li.setExtentMaxX(extent.getMaxX());
            li.setExtentMinY(extent.getMinY());
            li.setExtentMaxY(extent.getMaxY());    
            li.setCrs(crs);
        }
        rs.close();
        ps.close();
        
    }

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            s = con.prepareStatement(stmt);
            s.setString(1, coverageName);
            res = s.executeQuery();


            while (res.next()) {
                ImageLevelInfo imageLevelInfo = new ImageLevelInfo();
                imageLevelInfo.setCoverageName(coverageName);
                imageLevelInfo.setTileTableName((res.getString(getConfig()
                        .getTileTableNameAtribute())));


                imageLevelInfo.setExtentMaxX(new Double(res.getDouble(getConfig()
                        .getMaxXAttribute())));


                if (res.wasNull()) {
                    imageLevelInfo.setExtentMaxX(null);
                }


                imageLevelInfo.setExtentMaxY(new Double(res.getDouble(getConfig()
                        .getMaxYAttribute())));


                if (res.wasNull()) {
                    imageLevelInfo.setExtentMaxY(null);
                }


                imageLevelInfo.setExtentMinX(new Double(res.getDouble(getConfig()
                        .getMinXAttribute())));


                if (res.wasNull()) {
                    imageLevelInfo.setExtentMinX(null);
                }


                imageLevelInfo.setExtentMinY(new Double(res.getDouble(getConfig()
                        .getMinYAttribute())));


                if (res.wasNull()) {
                    imageLevelInfo.setExtentMinY(null);
                }


                imageLevelInfo.setResX(new Double(res.getDouble(getConfig().getResXAttribute())));


                if (res.wasNull()) {
                    imageLevelInfo.setResX(null);
                }


                imageLevelInfo.setResY(new Double(res.getDouble(getConfig().getResYAttribute())));


                if (res.wasNull()) {
                    imageLevelInfo.setResY(null);
                }


                /*
                Set noDataValue on imageLevelInfo based on what
                is stored in raster band metadata.
                Please note: alternatively this value could be loaded from mosaic config file,
                we could add an optional element/attribute to specify this value.
                */
                Number noDataValue = getNoDataValue(imageLevelInfo.getTileTableName(), con);
                imageLevelInfo.setNoDataValue(noDataValue);


                getLevelInfos().add(imageLevelInfo);


                imageLevelInfo.setCrs(getCRS());
                /*
                Set SrsId based on what has been specified in mosaic
                xml configuration file. It can get overwritten by value retrieved from database in
                method calculateResolutionsFromDB(). The reason I added this is: if user has specified
                resolutions in the mosaic table, then calculateResolutionsFromDB() will skip setting srsID
                which will eventually result in an exception further down the track.
                 */
                imageLevelInfo.setSrsId(getSrsId());
            }
        } catch (SQLException e) {
            throw (e);
        } finally {
            if (res != null) {

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            LOGGER.fine("maxY " + extent.getMaxY());
            LOGGER.fine("minY " + extent.getMinY());


            for (int i = 0; i < numberOfPyramidLevels; i++) {


                ImageLevelInfo imageLevel = new ImageLevelInfo();


                imageLevel.setCoverageName(getConfig().getCoverageName());
                imageLevel.setSpatialTableName(new String(i + ""));
                imageLevel.setTileTableName(new String(i + ""));


                imageLevel.setResX(spatialResolutions[0] * (Math.pow(2, i)));
                imageLevel.setResY(spatialResolutions[1] * (Math.pow(2, i)));


                imageLevel.setExtentMinX(extent.getMinX());
                imageLevel.setExtentMinY(extent.getMinY());
                imageLevel.setExtentMaxX(extent.getMaxX());
                imageLevel.setExtentMaxY(extent.getMaxY());


                imageLevel.setSrsId(srid);
                imageLevel.setCrs(crs);
                getLevelInfos().add(imageLevel);


                LOGGER.fine("New Level Info for Coverage: " + getConfig().getCoverageName()
                        + " Pyramid Level: " + imageLevel.getSpatialTableName());
                LOGGER.fine("Resolution X: " + imageLevel.getResX());
                LOGGER.fine("Resolution Y: " + imageLevel.getResY());
                LOGGER.fine("SRID: " + imageLevel.getSrsId());
                LOGGER.fine("CRS: " + imageLevel.getCrs());
            }


            LOGGER.fine("Image Level List Size: " + getLevelInfos().size());


        } finally {

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