Module: GdalService

GDAL related operations

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Methods

(method) CalcStatisticsForGeometries(file, geometry, srid, sscaleFactor, tg, arow) → {string}

Get statistics of a geometry or table of geometries

Parameters:
Name Type Description
file string

path to GeoTIFF file
geometry string

geometry
srid int

SRID
sscaleFactor string

scale factor
tg DataTable

table of geometries
arow DataRow

row containing asset info
Source:
Returns:
  • return status
Type
string

(method) GetGeoTiffMetadata(geoTiffPath) → {Metadata}

Get metadata for a GeoTIFF file

Parameters:
Name Type Description
geoTiffPath string

path to GeoTIFF file
Source:
Returns:
  • metadata
Type
Metadata

(method) GetHistory(p) → {string}

Convert Gets history for a given point

Parameters:
Name Type Description
p PointForHistory

point
Source:
Returns:
  • history
Type
string

(method) ShpToGeoJSON(InputPath) → {string}

Convert shapefile to GeoJSON

Parameters:
Name Type Description
InputPath string

shape file path
Source:
Returns:
  • GeoJSON
Type
string

(method) ShpToTable(shapeId, shapeFile) → {string}

Import shapefile to database

Parameters:
Name Type Description
shapeId int

shape id
shapeFile string

shape file path
Source:
Returns:
  • error message
Type
string

(method) UpdateAttributesForPoints(p) → {string}

Convert Gets history for a given point

Parameters:
Name Type Description
p PointForHistory

point
Source:
Returns:
  • history
Type
string

(method) geoFromPixel(GT, xPixel, yPixel, xGeo, yGeo)

Transform pixel coordinates to geographic coordinates

Parameters:
Name Type Description
GT Array.<double>

GeoTransform
xPixel int

x pixel
yPixel int

y pixel
xGeo double

x coordinate
yGeo double

y coordinate
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(method) pixelFromGeo(GT, xGeo, yGeo, xPixel, yPixel)

Transform geographic coordinates to pixel coordinates

Parameters:
Name Type Description
GT Array.<double>

GeoTransform
xGeo double

x coordinate
yGeo double

y coordinate
xPixel int

x pixel
yPixel int

y pixel
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