wiki:smartaltitude_webgis_calc_operators_functions
Differences
This shows you the differences between two versions of the page.
Next revision | Previous revision | ||
wiki:smartaltitude_webgis_calc_operators_functions [2020/05/07 18:04] – created apolderman | wiki:smartaltitude_webgis_calc_operators_functions [2020/06/21 20:26] (current) – andi | ||
---|---|---|---|
Line 1: | Line 1: | ||
- | List of mathematical operators and functions which can be used in the WebGIS calculation tool. | + | List of mathematical operators and functions which can be used in the Smart Altitude |
Note: remember to always put a space character between operators and operands. While some operators work without extra space characters, others might not. | Note: remember to always put a space character between operators and operands. While some operators work without extra space characters, others might not. | ||
Line 39: | Line 39: | ||
|trunc(x)|truncate toward zero|trunc(42.8)|42| | |trunc(x)|truncate toward zero|trunc(42.8)|42| | ||
|trunc(x, y)|truncate to y decimal places|trunc(42.43, | |trunc(x, y)|truncate to y decimal places|trunc(42.43, | ||
+ | |||
+ | ====== Raster Zonal Statistics ====== | ||
+ | |||
+ | //Note: These functions operate on raster layers only. They calculate zonal statistics for Alpine Space LAU units. // | ||
+ | |||
+ | ^Function^Description| | ||
+ | |min()|minimum pixel value per LAU unit| | ||
+ | |max()|maximum pixel value per LAU unit| | ||
+ | |count()|number of pixels per LAU unit| | ||
+ | |sum()|sum of pixel values per LAU unit| | ||
+ | |avg()|average for pixel values per LAU unit| | ||
+ | |med()|median for pixel values per LAU unit| | ||
====== Random Functions ====== | ====== Random Functions ====== | ||
Line 46: | Line 58: | ||
\\ | \\ | ||
+ | |||
wiki/smartaltitude_webgis_calc_operators_functions.1588867453.txt.gz · Last modified: 2020/05/07 18:04 by apolderman