Last active
August 3, 2018 14:22
-
-
Save thomas-maschler/c6d0710b267b893f70528d44fb4b4976 to your computer and use it in GitHub Desktop.
Restoration portentential per tree cover density class
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"$schema": "https://vega.github.io/schema/vega/v4.0.json", | |
"width": 240, | |
"height": 75, | |
"padding": 2, | |
"title": { | |
"text": "Tree Cover", | |
"font": "Fira Sans", | |
"fontSize": 16, | |
"offset": 0, | |
"anchor": "middle" | |
}, | |
"data": [ { | |
"name": "histogram", | |
"format": { | |
"property": "histograms[0].counts" | |
}, | |
"url": "https://production-api.globalforestwatch.org/v1/arcgis-proxy/ImageServer/computeHistograms?server=forest-atlas&service=eth/EthiopiaRestoration&pixelSize=30&renderingRule={\"rasterFunction\":\"Arithmetic\",\"rasterFunctionArguments\":{\"Raster\":\"$4\",\"Raster2\":\"$6\",\"Operation\":3}}&geostore=a3762b2185c422f889c26e0e5e1e90ac", | |
"transform": [ | |
{ | |
"type": "identifier", | |
"as": "id" | |
}, | |
{ | |
"type": "formula", | |
"as": "rounded", | |
"expr": "floor(datum.data*0.09/100)*100" | |
} | |
] | |
}, | |
{ | |
"name": "table", | |
"values": [ | |
{ | |
"id": "1", | |
"label": "No Data", | |
"hex": "#000" | |
}, | |
{ | |
"id": "2", | |
"label": "<= 10%", | |
"hex": "#B4D79E" | |
}, | |
{ | |
"id": "3", | |
"label": "10 - 30%", | |
"hex": "#F5F57A" | |
}, | |
{ | |
"id": "4", | |
"label": "> 30%", | |
"hex": "#CDAA66" | |
} | |
], | |
"transform": [ | |
{ | |
"type": "lookup", | |
"from": "histogram", | |
"key": "id", | |
"fields": [ | |
"id" | |
], | |
"values": [ | |
"rounded" | |
], | |
"as": [ | |
"value" | |
] | |
}, | |
{ | |
"type": "filter", | |
"expr": "datum.value > 0" | |
}, | |
{ | |
"type": "formula", | |
"as": "group", | |
"expr": "1" | |
}, | |
{ | |
"type": "stack", | |
"groupby": [ | |
"group" | |
], | |
"sort": { | |
"field": "id" | |
}, | |
"field": "value" | |
}] | |
} | |
], | |
"scales": [ | |
{ | |
"name": "y", | |
"type": "band", | |
"range": "height", | |
"padding": 0.15, | |
"domain": { | |
"data": "table", | |
"field": "group" | |
} | |
}, | |
{ | |
"name": "x", | |
"type": "linear", | |
"range": "width", | |
"nice": true, | |
"zero": true, | |
"domain": { | |
"data": "table", | |
"field": "y1" | |
} | |
}, | |
{ | |
"name": "color", | |
"type": "ordinal", | |
"domain": { | |
"data": "table", | |
"field": "label" | |
}, | |
"range":{"data": "table", "field": "hex"} | |
}, | |
{ | |
"name": "colorStroke", | |
"type": "ordinal", | |
"domain": { | |
"data": "table", | |
"field": "label" | |
}, | |
"range": [ | |
"#FFF" | |
] | |
} | |
], | |
"axes": [ | |
{ | |
"orient": "bottom", | |
"scale": "x", | |
"format": "s", | |
"tickCount":5, | |
"labelFontSize": 12, | |
"title": "Hectares (k = 1,000; M = 1,000,000)", | |
"titleFontSize": 14, | |
"font": "Fira Sans" | |
} | |
], | |
"marks": [ | |
{ | |
"name": "bars", | |
"type": "rect", | |
"from": { | |
"data": "table" | |
}, | |
"encode": { | |
"enter": { | |
"y": { | |
"scale": "y", | |
"field": "group" | |
}, | |
"height": { | |
"scale": "y", | |
"band": 1, | |
"offset": -5 | |
}, | |
"x": { | |
"scale": "x", | |
"field": "y0" | |
}, | |
"x2": { | |
"scale": "x", | |
"field": "y1" | |
}, | |
"stroke": { | |
"scale": "colorStroke", | |
"field": "label" | |
}, | |
"strokeWidth": { | |
"value": 0.5 | |
}, | |
"fill": { | |
"scale": "color", | |
"field": "label" | |
}, | |
"tooltip": { | |
"signal": "datum.label + ': ' + format(datum.value,',') + ' ha'" | |
} | |
}, | |
"update": { | |
"fillOpacity": { | |
"value": 1 | |
} | |
}, | |
"hover": { | |
"fillOpacity": { | |
"value": 0.8 | |
} | |
} | |
} | |
} | |
], | |
"legends": [ | |
{ | |
"fill": "color", | |
"orient": "bottom", | |
"direction": "horizontal", | |
"titleFontSize": 14, | |
"labelFontSize": 12, | |
"font": "Fira Sans", | |
"titleLimit": 240 | |
} | |
] | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment