Library for GDAL related operations
Methods
(method) CalculateAveragePixelValue(ds:, polygonGeometry:)
Calculate the average pixel value of a raster dataset within a polygon geometry
Parameters:
| Name | Type | Description |
|---|---|---|
ds: |
The raster dataset |
|
polygonGeometry: |
The polygon geometry |
(method) CalculateMedian(xArr:, yArr:, totalCount:)
Calculate the median value of a an array of values
Parameters:
| Name | Type | Description |
|---|---|---|
xArr: |
The array of values |
|
yArr: |
The array of frequencies |
|
totalCount: |
The total count |
(method) CreateStatistics(ga:, ra:, noDataValue:, hasNoDataValue:, formulaIndex:, scaleFactor:)
Create statistics for a raster dataset
Parameters:
| Name | Type | Description |
|---|---|---|
ga: |
The geometry array |
|
ra: |
The raster array |
|
noDataValue: |
The no data value |
|
hasNoDataValue: |
The flag indicating if the no data value is present |
|
formulaIndex: |
The formula index |
|
scaleFactor: |
The scale factor |
(method) FindNthValue(xArr:, yArr:, n:)
Find the Nth value in an array
Parameters:
| Name | Type | Description |
|---|---|---|
xArr: |
The array of values |
|
yArr: |
The array of frequencies |
|
n: |
The index |
(method) GdalInit()
Initialize GDAL
(method) exp1(x:)
Implementation of the exp1 transformation algorithm
Parameters:
| Name | Type | Description |
|---|---|---|
x: |
The input value |
(method) findFormulaIndex(formula:)
Find the index of a formula in the list of supported formulas
Parameters:
| Name | Type | Description |
|---|---|---|
formula: |
The formula |
(method) findScaleFactorAndFormulaIndex(formula:, scaleFactor:, formulaIndex:)
Find the scale factor and formula index for a given formula
Parameters:
| Name | Type | Description |
|---|---|---|
formula: |
The formula |
|
scaleFactor: |
The scale factor |
|
formulaIndex: |
The formula index |