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== Describing the CCM layers ==

=== table riversegments ===

[[Color(,#3849ce,gid)]]: id (corresponds to line number)[[BR]]
[[Color(,#3849ce,wso1_id)]]: id of the primary catchment drained by the river segment.[[BR]]
[[Color(,#3849ce,wso_id)]]: id of the Sea-outlet to which the river segment belongs.[[BR]]
[[Color(,#3849ce,rvr_id)]]: reference of the name of the river to which the segment belongs (often 0)[[BR]]
[[Color(,#3849ce,fromnode)]]: upstream node [[BR]]
[[Color(,#3849ce,tonode)]]: downstream node[[BR]]
[[Color(,#3849ce,strahler)]]: the stream order hierarchy, the sizes range from a first order stream to the largest a 11th order stream[[BR]]
[[Color(,#3849ce,pfafstette)]]: Pfafstetter code (?) of the river segment and its primary catchment[[BR]]
[[Color(,#3849ce,nextdownid)]]: next segment identifyer downstream points to wso_id[[BR]]
[[Color(,#3849ce,longpath)]]: identifies wether the river segment is part of the longest flow path in the River Basin (sea-outlet), Y(es) or NULL[[BR]]
[[Color(,#3849ce,maindrain_)]]: ?[[BR]]
[[Color(,#3849ce,maindrain1)]]: ?[[BR]]
[[Color(,#3849ce,length)]]: length of a river segment in meters[[BR]]
[[Color(,#3849ce,cum_len)]]: cumulated length of the upstream flow network, including the river segment itself (longest route ?)-in meters[[BR]]
[[Color(,#3849ce,pixels_100)]]: area directly drained by the river segment (area of the primary catchment), in 100m*100m grid-cells[[BR]]
[[Color(,#3849ce,catchment_)]]: ?[[BR]]
[[Color(,#3849ce,cont_pixel)]]: area upstream of the From Node drained by the river segment in 100m*100m grid-cells[[BR]]
[[Color(,#3849ce,drain_km2)]]: full area drained by the river segment and upstream area - in square kilometres[[BR]]
[[Color(,#3849ce,alt_gradie)]]: relief Energy of the river segment : ((Elevation at From Node-Elevation at ToNode)/Segment Length)*100 in per cent[[BR]]
[[Color(,#3849ce,burned)]]: percentage grid-cells of the river segment having a high confidence level with respect to its geographical position[[BR]]
[[Color(,#3849ce,confidence)]]: percentage of grid-cells of the river segment having a high confidence level with respect to its geographical position[[BR]]
[[Color(,#3849ce,window)]]: here 2003[[BR]]
[[Color(,#3849ce,shape_leng)]]: ?[[BR]]
[[Color(,#3849ce,the_geom)]]: the_geom [[BR]]

=== table rivernodes ===

=== table catchments ===
[[Image(source:data/Docs/trac/ccm_drainage_bassin.jpg,300px)]]
== Comparison BDCarthage (green) - CCM (red) from different views ==

[[Image(source:data/Docs/trac/Comparaison BDCarthage CCM Vue3.jpg,600px)]]
[[Image(source:data/Docs/trac/Comparaison BDCarthage CCM Vue 2.jpg,600px)]]

== Comparison WFD art3 (red) - WFD art5(gray) - CCM (large light blue) from different rivers and lakes in Ireland ==

[[Image(source:data/Docs/trac/IEWE.jpg,600px)]]

== Comparision of riversegments length CCM #32 ==
== Layers necessary for France == 


- Europe - France[[BR]]

[[Image(source:data/Docs/trac/Europe-France Longueur des tronçons CCM.jpeg,450px)]][[BR]]

- Loire Bretagne - Bretagne[[BR]]

[[Image(source:data/Docs/trac/Loire Bretagne Longueur des tronçons CCM.jpeg,450px)]][[BR]]

- Bassins français[[BR]]

[[Image(source:data/Docs/trac/Longueur des tronçons CCM par bassin.jpeg,450px)]]