Simply create an indoor map thanks to PHP & MySQL. This is a project I made for a meeting in Paris back in 2013.
CREATE TABLE `exposants` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`nom` varchar(255) NOT NULL,
`width` float NOT NULL,
`length` float NOT NULL,
`posX` float NOT NULL,
`posY` float NOT NULL,
`numerotation` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
)