Integer findClosestZoom(GridSet gridSet, WMSMapContent map) {
double reqScale =
RendererUtilities.calculateOGCScale(bounds(map), gridSet.getTileWidth(), null);
int i = 0;
double error = Math.abs(gridSet.getGrid(i).getScaleDenominator() - reqScale);
while (i < gridSet.getNumLevels() - 1) {
Grid g = gridSet.getGrid(i + 1);
double e = Math.abs(g.getScaleDenominator() - reqScale);
if (e > error) {
break;
} else {
error = e;
}
i++;
}
return Math.max(i, 0);
}
private void tileMatrixSet(StringBuilder str, GridSet gridSet) {
str.append(" <TileMatrixSet>\n");
str.append(" <ows:Identifier>" + gridSet.getName() + "</ows:Identifier>\n");
// If the following is not good enough, please get in touch and we will try to fix it :)
str.append(
" <ows:SupportedCRS>urn:ogc:def:crs:EPSG::"
+ gridSet.getSrs().getNumber()
+ "</ows:SupportedCRS>\n");
// TODO detect these str.append("
// <WellKnownScaleSet>urn:ogc:def:wkss:GlobalCRS84Pixel</WellKnownScaleSet>\n");
Grid[] grids = gridSet.getGrids();
for (int i = 0; i < grids.length; i++) {
double[] tlCoordinates = gridSet.getOrderedTopLeftCorner(i);
tileMatrix(
str,
grids[i],
tlCoordinates,
gridSet.getTileWidth(),
gridSet.getTileHeight(),
gridSet.isScaleWarning());
}
str.append(" </TileMatrixSet>\n");
}