Rounding of blast hole lengths to 0.5 m.

When designing blast holes, it may be necessary to round well lengths to 0.5 m. To do this, determine the decimal part of the borehole length and round up depending on this value. For example:
1. Decimal part in the range 0-0.25, then round to the nearest integer.
2. Decimal part in the range 0.25-0.75, then round up to 0.5. A well with a depth of 5.4 meters, would equal 5.5 meters.
2. Decimal part in the range 0.75-0.99(9) - round up to the nearest integer.

In Micromine this can be done through an expression using conditional operators and the INT() function, which returns the integer part of the number:

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