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calc_histogram [2012/11/23 23:27] admin [Notes] |
calc_histogram [2015/10/12 00:42] (current) admin |
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| ===== Inputs ===== | ===== Inputs ===== | ||
| - | ^ Name ^ Type ^ Description ^ | + | ^ Name ^ Type ^ Description ^ |
| - | | Map | [[Map Type|Map]] | Any map | | + | | Map | [[Map Type]] | Any map | |
| ===== Optional Inputs ===== | ===== Optional Inputs ===== | ||
| - | ^ Name ^ Type ^ Description ^ Default Value ^ | + | ^ Name ^ Type ^ Description ^ Default Value ^ |
| - | | Interval Width | [[Double Type|Double]] | The width of the histogram interval. | 1.0 | | + | | Interval Width | [[Real Value Type]] | The width of the histogram interval. | 1.0 | |
| - | | Cumulative | [[Bool Type|Bool]] | If true, the calculated histogram is cumulative. | False | | + | | Cumulative | [[Boolean Value Type]] | If true, the calculated histogram is cumulative. | False | |
| - | | Relative | [[Bool Type|Bool]] | If true, the values in the histogram are normalized by the total number of occurrences. | False | | + | | Relative | [[Boolean Value Type]] | If true, the values in the histogram are normalized by the total number of occurrences. | False | |
| ===== Outputs ===== | ===== Outputs ===== | ||
| - | ^ Name ^ Type ^ Description ^ | + | ^ Name ^ Type ^ Description ^ |
| | Histogram | [[Lookup Table Type|Lookup Table]] | The calculated histogram. | | | Histogram | [[Lookup Table Type|Lookup Table]] | The calculated histogram. | | ||
| ===== Notes ===== | ===== Notes ===== | ||
| - | It is possible to calculate a relative histogram of the cumulative values setting both input flags ("Cumulative" and "Relative") to true. | + | It also possible to calculate a histogram relative to the cumulative values. To do this, set both input flags ("Cumulative" and "Relative"). |
| - | When the "Interval Width" is different from one, the input values are remapped into new values according to the expression below to speed up the calculation. | + | When the "Interval Width" is different from one, the input values are remapped according to the expression below to speed up the calculation. |
| - | <m>value´=delim{|}{value/width}{|}*width</m>, where //value´// is the new value, //value// is the value present in the input map and //width// is the width of the interval. | + | <m>value2 =delim{|}{value/width}{|}*width</m>, where //value2// is the resulting value, //value// is the value present in the input map and //width// is the "Interval Width". |
| - | Because of the remapping, the lower and upper limits present in the resulting histogram can be lower and greater, respectively, than the lower and upper limits present in the input map. | + | Because of the remapping, the lower limit of the resulting histogram can be lower than the minimum value in the input map. The upper limit of the histogram can be greater than the maximum value in the input map. |
| ===== Group ===== | ===== Group ===== | ||