<?xml version='1.0' encoding='ISO-8859-1' standalone='yes' ?>
	<help>
		<element name="DESCRIPTION" text="This algorithm generates two new layers (raster and vector) with a channel network extracted from a DEM and a layer with addittional information." description="Description" type="0">
		</element>
		<element name="ADDITIONAL_INFO" text="* D. P. Tarboton, D.G.; Ames. Advances in the mapping of flow networks from digital elevation data. In World Water and Environmental Resources Congress,2001. &#10;* D. Mark. Automated detection of drainage networks from digital elevation models. Cartographica, 21:168-178, 1984." description="Additional information" type="0">
		</element>
		<element name="EXTENSION_AUTHOR" text="Victor Olaya" description="Extension created by" type="0">
		</element>
		<element name="HELP_AUTHOR" text="Victor Olaya" description="Help file created by" type="0">
		</element>
		<element name="USER_NOTES" text="" description="User_notes" type="0">
		</element>
		<element name="DEM" text="Digital Elevation Model." description="Elevation" type="3">
		</element>
		<element name="THRESHOLDLAYER" text="A layer to locate stream headers. Flow accumulation is usually used as the threshold layer" description="Threshold layer" type="3">
		</element>
		<element name="METHOD" text="a condition that the cells of the threshold layer should meet to be part of a stream&#10;* More than&#10;* Less than" description="Threshold" type="3">
		</element>
		<element name="THRESHOLD" text="A threshold value to apply the above mentioned condition. Should be in the same units as the threshold layer" description="Threshold" type="3">
		</element>
		<element name="OUTPUT_DESCRIPTION" text="" description="Description" type="2">
		</element>
		<element name="NETWORK" text="the values of the cells indicate the hierarchical order (Strahler) of the streams that flow through each one of them. In those cells where no stream is defined, no data values will appear." description="Channel network" type="2">
			<image description="" file="red de drenaje_raster.jpg">
			</image>
		</element>
		<element name="NETWORKVECT" text="The channel network in vector format" description="Channel network" type="2">
			<image description="" file="red de drenaje_vectorial.jpg">
			</image>
		</element>
	</help>
<?xml version='1.0' encoding='ISO-8859-1' standalone='yes' ?>