SetParameterDescription("cfield","Field containing the class id for supervision. Only geometries with this field available will be taken into account.");
"The application takes the following parameters :"
"- Setting the list of inputs can be done with the 'il' parameter.\n"
"- Setting expressions can be done with the 'exp' parameter. Separating expressions by semi-colons (; ) will concatenate their results into one multiband output image.\n"
"Adding expressions without the use of semi-colons will produce additional output images (not implemented yet).\n"
"Adding expressions without the use of semi-colons will produce additional output images.\n"
"- Setting constants can be done with the 'incontext' parameter. User must provide a txt file with a specific syntax: #type name value\n"