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override-demo.md

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override demo

You can override properties of certain elements or add new predicted elements using a base64-encoded (with + as - and = as _ to be URL-friendly) JSON of an array containing element data; the elements are identified by their atomic symbol, and if the element exists, it will override the properties of that element. If it doesn't exist, it adds a new element with the given data. OlamREEE will show the changed properties and new elements, but if you don't want that you can add "replace" to the beginning of the array.

For example, let's set puzzlite's atomic mass to 10, and add a new element wigglium (Wg) with the following properties:

  • atomic mass of 60
  • liquid at room temperature
  • 2°C melting point
  • a nonmetal
  • IE of 1001 kJ

Start with the JSON. You can see the key names here.

[
  {"symbol": "Pu", "mass": 10},
  {"name": "Wigglium", "symbol": "Wg", "mass": 60, "state": "liquid", "melting": 2, "type": "nonmetal", "ie": 1001}
]

Then we encode it in base64; I use JavaScript's built-in btoa function.

> btoa(`[
  {"symbol": "Pu", "mass": 10},
  {"name": "Wigglium", "symbol": "Wg", "mass": 60, "state": "liquid", "melting": 2, "type": "nonmetal", "ie": 1001}
]`)
"WwogIHsic3ltYm9sIjogIlB1IiwgIm1hc3MiOiAxMH0sCiAgeyJuYW1lIjogIldpZ2dsaXVtIiwgInN5bWJvbCI6ICJXZyIsICJtYXNzIjogNjAsICJzdGF0ZSI6ICJsaXF1aWQiLCAibWVsdGluZyI6IDIsICJ0eXBlIjogIm5vbm1ldGFsIiwgImllIjogMTAwMX0KXQ=="

"WwogIHsic3l[...]TAwMX0KXQ==" is not URL safe; it contains an = sign. + characters must be replaced with - and = with _.

With the resulting string we can insert it in our URL: https://sheeptester.github.io/olamreee/?override=OVERRIDE_CODE_HERE

Notice how it adds asterisks to the new mass and makes the new element translucent. You can disable this by adding "replace" to the beginning of the array (or add "_REPLACE_": true to each element).

[
  "replace",
  {"symbol": "Pu", "mass": 10},
  {"name": "Wigglium", "symbol": "Wg", "mass": 60, "state": "liquid", "melting": 2, "type": "nonmetal", "ie": 1001}
]

If you use an old savecode, a different mass might offset the elements; unfortunately, this means that you'll have to rearrange your periodic table with these new overrides.

Try these yourself: without replace · with replace