{
  "$defs": {
    "GalleryFacet": {
      "additionalProperties": true,
      "description": "A variable or coord along the image dim and the number of images of each level\n(levels past :data:`MAX_GALLERY_LEVELS` are counted in ``(other)``).",
      "properties": {
        "counts": {
          "additionalProperties": {
            "type": "integer"
          },
          "maxProperties": 65,
          "title": "Counts",
          "type": "object"
        },
        "name": {
          "maxLength": 128,
          "title": "Name",
          "type": "string"
        },
        "source": {
          "enum": [
            "var",
            "coord"
          ],
          "title": "Source",
          "type": "string"
        }
      },
      "required": [
        "name",
        "source",
        "counts"
      ],
      "title": "GalleryFacet",
      "type": "object"
    },
    "GalleryItem": {
      "additionalProperties": true,
      "description": "One thumbnail of a ``gallery`` view: a base64 PNG of at most\n:data:`MAX_GALLERY_THUMB` pixels a side, and the facet values of its image (untrusted\ntext).",
      "properties": {
        "index": {
          "description": "Position along the image dim",
          "minimum": 0,
          "title": "Index",
          "type": "integer"
        },
        "label": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "integer"
            },
            {
              "type": "number"
            },
            {
              "type": "boolean"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "The image dim label",
          "title": "Label"
        },
        "meta": {
          "additionalProperties": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "integer"
              },
              {
                "type": "number"
              },
              {
                "type": "boolean"
              },
              {
                "type": "null"
              }
            ]
          },
          "maxProperties": 16,
          "title": "Meta",
          "type": "object"
        },
        "png": {
          "maxLength": 24000,
          "title": "Png",
          "type": "string"
        }
      },
      "required": [
        "index",
        "png"
      ],
      "title": "GalleryItem",
      "type": "object"
    }
  },
  "$id": "https://schemas.mapi.dev/v1/explore-gallery.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": true,
  "description": "``gallery``: thumbnails of the images of one variable (an even sample per facet level\nwhen there are more than :data:`MAX_GALLERY_ITEMS`), with the image counts per facet\nlevel (v0.14).",
  "examples": [
    {
      "caption_plain": "Shows 4 of the 4 images. Use the chips to show one label or split.",
      "channel_dim": "channel",
      "color": "gray",
      "facets": [
        {
          "counts": {
            "circle": 2,
            "square": 2
          },
          "name": "label",
          "source": "var"
        },
        {
          "counts": {
            "test": 2,
            "train": 2
          },
          "name": "split",
          "source": "coord"
        }
      ],
      "format": "mapi.data-explorer.gallery/v1",
      "frame_dim": "image",
      "items": [
        {
          "index": 0,
          "label": "0",
          "meta": {
            "label": "circle",
            "split": "train"
          },
          "png": "iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAAAAACMmsGiAAAAE0lEQVR4nGNg+P+fAYiBJJgAcQF3nAv1WOTbDAAAAABJRU5ErkJggg=="
        },
        {
          "index": 1,
          "label": "1",
          "meta": {
            "label": "square",
            "split": "train"
          },
          "png": "iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAAAAACMmsGiAAAAEUlEQVR4nGNgAIP//2EEEAAAJ+wD/QDjYnMAAAAASUVORK5CYII="
        },
        {
          "index": 2,
          "label": "2",
          "meta": {
            "label": "circle",
            "split": "test"
          },
          "png": "iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAAAAACMmsGiAAAAE0lEQVR4nGNg+P+fAYiBJJgAcQF3nAv1WOTbDAAAAABJRU5ErkJggg=="
        },
        {
          "index": 3,
          "label": "3",
          "meta": {
            "label": "square",
            "split": "test"
          },
          "png": "iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAAAAACMmsGiAAAAEUlEQVR4nGNgAIP//2EEEAAAJ+wD/QDjYnMAAAAASUVORK5CYII="
        }
      ],
      "n_images": 4,
      "other_vars": [],
      "selection": "all",
      "source_height": 4,
      "source_width": 4,
      "thumb_height": 4,
      "thumb_width": 4,
      "var": "pixels",
      "warnings_plain": [],
      "x_dim": "x",
      "y_dim": "y"
    }
  ],
  "properties": {
    "caption_plain": {
      "anyOf": [
        {
          "maxLength": 1000,
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Caption Plain"
    },
    "channel_dim": {
      "anyOf": [
        {
          "maxLength": 128,
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Channel Dim"
    },
    "color": {
      "enum": [
        "gray",
        "rgb"
      ],
      "title": "Color",
      "type": "string"
    },
    "facets": {
      "items": {
        "$ref": "#/$defs/GalleryFacet"
      },
      "maxItems": 8,
      "title": "Facets",
      "type": "array"
    },
    "format": {
      "const": "mapi.data-explorer.gallery/v1",
      "default": "mapi.data-explorer.gallery/v1",
      "title": "Format",
      "type": "string"
    },
    "frame_dim": {
      "maxLength": 128,
      "title": "Frame Dim",
      "type": "string"
    },
    "items": {
      "items": {
        "$ref": "#/$defs/GalleryItem"
      },
      "maxItems": 240,
      "title": "Items",
      "type": "array"
    },
    "n_images": {
      "minimum": 0,
      "title": "N Images",
      "type": "integer"
    },
    "node": {
      "anyOf": [
        {
          "pattern": "^/(?:[A-Za-z_][A-Za-z0-9_.\\-]{0,63}(?:/[A-Za-z_][A-Za-z0-9_.\\-]{0,63}){0,7})?$",
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "description": "M4: the node of a tree dataset the view describes (absent for a flat dataset)",
      "title": "Node"
    },
    "other_vars": {
      "items": {
        "type": "string"
      },
      "maxItems": 256,
      "title": "Other Vars",
      "type": "array"
    },
    "selection": {
      "enum": [
        "all",
        "stratified",
        "even"
      ],
      "title": "Selection",
      "type": "string"
    },
    "source_height": {
      "minimum": 1,
      "title": "Source Height",
      "type": "integer"
    },
    "source_width": {
      "minimum": 1,
      "title": "Source Width",
      "type": "integer"
    },
    "thumb_height": {
      "maximum": 64,
      "minimum": 1,
      "title": "Thumb Height",
      "type": "integer"
    },
    "thumb_width": {
      "maximum": 64,
      "minimum": 1,
      "title": "Thumb Width",
      "type": "integer"
    },
    "var": {
      "maxLength": 256,
      "title": "Var",
      "type": "string"
    },
    "warnings_plain": {
      "items": {
        "type": "string"
      },
      "maxItems": 50,
      "title": "Warnings Plain",
      "type": "array"
    },
    "x_dim": {
      "maxLength": 128,
      "title": "X Dim",
      "type": "string"
    },
    "y_dim": {
      "maxLength": 128,
      "title": "Y Dim",
      "type": "string"
    }
  },
  "required": [
    "var",
    "frame_dim",
    "y_dim",
    "x_dim",
    "color",
    "source_height",
    "source_width",
    "thumb_height",
    "thumb_width",
    "n_images",
    "selection"
  ],
  "title": "GalleryView",
  "type": "object",
  "x-mapi-contract-version": "0.2"
}