node-red-contrib-ui-heatmap/examples/Random matrix values.json

A Node Red node to show a heat map

[{"id":"948d15ed.a58878","type":"function","z":"5a89baed.89e9c4","name":"Generate random matrix","func":"// Generate some random data\n// See https://www.patrick-wied.at/static/heatmapjs/example-minimal-config.html\nvar len = 200;\n\nmsg.payload = [];\n\nwhile (len--) {\n  var value = Math.floor(Math.random()*100);\n  msg.payload.push(value);\n}\n\nreturn msg;","outputs":1,"noerr":0,"x":600,"y":2340,"wires":[["a9e0a477.fdca68"]]},{"id":"cac56ba6.c46e18","type":"inject","z":"5a89baed.89e9c4","name":"Show heatmap","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":true,"onceDelay":0.1,"x":370,"y":2340,"wires":[["948d15ed.a58878"]]},{"id":"a9e0a477.fdca68","type":"ui_heat_map","z":"5a89baed.89e9c4","group":"2e442781.0c5608","order":0,"width":"6","height":"5","name":"","rows":"20","columns":"10","minMax":false,"minimumValue":0,"maximumValue":0,"backgroundType":"color","backgroundColor":"#ffffff","radius":40,"opacity":0.6,"blur":0.85,"showValues":false,"gridType":"none","valuesDecimals":0,"showLegend":false,"legendType":"none","legendDecimals":0,"legendCount":2,"x":820,"y":2340,"wires":[]},{"id":"2e442781.0c5608","type":"ui_group","z":"","name":"Default","tab":"4779176.99cd2e8","disp":true,"width":"6","collapse":false},{"id":"4779176.99cd2e8","type":"ui_tab","z":"","name":"Home","icon":"dashboard","disabled":false,"hidden":false}]