{
    "dataRoles": [{
        "displayName": "urls",
        "displayNameKey": "roles-urls-displayName",
        "name": "urls",
        "kind": "Grouping",
        "description": "Urls of pictures, example: 'http://www.example.com/xx.png'",
        "descriptionKey": "roles-urls-description"
    }],
    "objects": {
        "layout": {
            "displayName": "layout",
            "displayNameKey": "objects-layout-displayName",
            "properties": {
                "rowsCount": {
                    "type": {
                        "numeric": true
                    },
                    "displayName": "rowsCount",
                    "displayNameKey": "objects-layout-rowsCount-displayName",
                    "description": "How many rows?",
                    "descriptionKey": "objects-layout-rowsCount-descriptionKey"
                },
                "rowGap": {
                    "type": {
                        "numeric": true
                    },
                    "placeHolderText": "{value}%",
                    "displayName": "rowGap(%)",
                    "displayNameKey": "objects-layout-rowGap-displayName",
                    "description": "The distance moved during each cycle.(%)",
                    "descriptionKey": "objects-layout-rowGap-descriptionKey"

                },
                "columnGap": {
                    "type": {
                        "numeric": true
                    },
                    "placeHolderText": "msec",
                    "displayName": "columnGap(%)",
                    "displayNameKey": "objects-layout-columnGap-displayName",
                    "description": "How long a cycle takes? (msec)",
                    "descriptionKey": "objects-layout-columnGap-descriptionKey"
                }
            }
        },
        "animation": {
            "displayName": "animation",
            "displayNameKey": "objects-animation-displayName",
            "properties": {
                "stepLength": {
                    "type": {
                        "numeric": true
                    },
                    "displayName": "stepLength(%)",
                    "displayNameKey": "objects-animation-stepLength-displayName",
                    "description": "The distance moved during each cycle.(%)",
                    "descriptionKey": "objects-animation-stepLength-descriptionKey"

                },
                "interval": {
                    "type": {
                        "numeric": true
                    },
                    "placeHolderText": "numeric",
                    "displayName": "interval(msec)",
                    "displayNameKey": "objects-animation-interval-displayName",
                    "description": "How long a cycle takes? (msec)",
                    "descriptionKey": "objects-animation-interval-descriptionKey"

                }
            }
        }
    },
    "dataViewMappings": [{
        "conditions": [{
            "urls": {
                "min": 1,
                "max": 1
            }
        }],
        "categorical": {
            "categories": {
                "for": {
                    "in": "urls"
                },
                "dataReductionAlgorithm": {
                    "top": {}
                }
            }
        }
    }]
}