Only the loaded layers that are downloadable and with no restrictions are displayed (you can download the list
http://www.geoportal.gov.ph/resources/PGPDataInventorywithSW&Trng.pdf). The current map extent displayed or the map as seen on your screen will be the default coverage of the requested layer. After selecting a layer from the dropdown below, zoom in or zoom out to the desired map coverage before clicking the Add to list button.
Bugs
Only the loaded layers that are downloadable and with no restrictions are displayed (you can download the list
http://www.geoportal.gov.ph/resources/PGPDataInventorywithSW&Trng.pdf). The current map extent displayed or the map as seen on your screen will be the default coverage of the requested layer. After selecting a layer from the dropdown below, zoom in or zoom out to the desired map coverage before clicking the Add to list button.