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import cds.aladin.AladinData;
import cds.aladin.AladinException;
import cds.aladin.AladinPlugin;
public class ImageCreationPlug extends AladinPlugin {
public String menu() { return "Image creation with a calibration"; }
public String description() {
return "PLUGIN TUTORIAL:\n" +
"This plugin is an example of an image plane creation.\n" +
"It will create an image and will provide an astrometrical " +
"solution for it.";
}
public String author() { return "Pierre Fernique [CDS]"; }
public String version() { return "1.0 - January 2007"; }
public String url() { return "http://aladin.u-strasbg.fr/java/Plugins/ImageCreationPlug.java"; }
public String category() { return "Plugin tutorial/Image"; }
/*
* 1) Create a new image in the Aladin stack and gets its corresponding
* AladinData object.
* 2) Generate a pixel array and set them in the new plane
* 3) Generate a Fits header and set it in the new plan
*/
public void exec() {
try {
AladinData ad = aladin.createAladinData("My Image");
// Pixels
double [][] pix = new double[512][512];
for( int x=0; x<512; x++ ) {
for( int y=0; y<512; y++ ) {
pix[x][y] = x==255 || y==255 ? 0 : x==0 && y==0 ? 86 : x>300 && y>300 && y%2==0 && x%2==0 ? (x*y)%255 : 255;
}
}
ad.setPixels(pix,16);
// Calibration
String header =
"SIMPLE = T\n"+
"BITPIX = 16\n"+
"NAXIS = 2\n"+
"NAXIS1 = 512\n"+
"NAXIS2 = 512\n";
ad.setFitsHeader(header);
} catch( AladinException e ) { e.printStackTrace(); }
}
}
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