The following project variables relate to the DEM Pixel variable category. They refer to statistics and values for an individual pixel of the DEM. The particular DEM pixel is identified by the integer value referenced in the square brackets following the %DEMPixel keyword where i is the pixel row number and j is the pixel column number.
These project variables must all be prefixed with %DEMPixel[i][j]. Where i and j are integer vales, integer type project or user variables or loop substitution letters. eg., %DEMPixel[i][j].CentroidEasting.
CentroidEasting |
Easting of pixel centroid |
decimal |
user coordinate |
CentroidNorthing |
Northing of pixel centroid |
decimal |
user coordinate |
MaxEasting |
Easting of most eastward side of pixel |
decimal |
user coordinate |
MaxNorthing |
Northing of most northward side of pixel |
decimal |
user coordinate |
MinEasting |
Easting of most westward side of pixel |
decimal |
user coordinate |
MinNorthing |
Northing of most southward side of pixel |
decimal |
user coordinate |
Elevation |
Pixel elevation |
decimal |
m |
FlowDirection |
Pixel flow direction |
decimal |
degrees |
Subcatchment |
Subcatchment ID number of parent subcatchment |
integer |
|
ImperviousProportion |
Impervious proportion of pixel based on impervious polygons and background impervious proportion values |
decimal |
m2/m2 |
NumberOfContributingPixels |
Quantity of upstream pixels that flow into this pixel (Flow Accumulation) |
integer |
|
ContributingArea |
Combined area of upstream pixels that flow into this pixel |
decimal |
m2 |
DistanceToSubCatchmentOutlet |
Overland flow distance from pixel to subcatchment outlet |
decimal |
m |
DischargeBasin |
ID of the subcatchment that this pixel is located within |
integer |
|
GridLayerValue[k] |
Value from Grid Layer k at DEM pixel location (k is the grid layer index not grid layer name. Refer here for information on extracting the grid index from the grid layer name) |
text |
|
