The output raster will always be uncompressed.A way to uninstall AdvancedTshirts Simple Seps Raster 1.2 from your PCThis page is about AdvancedTshirts Simple Seps Raster 1.2 for Windows. The Flow Accumulation tool does not honour the Compression environment setting. If the flow direction does loop, Flow Accumulation will go into an infinite loop and never finish. If the input flow direction raster is not created with the Flow Direction tool, there is a chance that the defined flow could loop. Output cells with a flow accumulation of zero are local topographic highs and can be used to identify ridges.
Output cells with a high flow accumulation are areas of concentrated flow and can be used to identify stream channels.
The current processing cell is not considered in this accumulation. The accumulated flow is based on the number of cells flowing into each cell in the output raster. A cell is considered to have an undefined flow direction if its value in the flow direction raster is anything other than 1, 2, 4, 8, 16, 32, 64, or 128. The result of Flow Accumulation is a raster of accumulated flow to each cell, as determined by accumulating the weight for all cells that flow into each downslope cell.Ĭells of undefined flow direction will only receive flow they will not contribute to any downstream flow.
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