Description
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Required features for West Bengal (NR: Not Required, R: Required) (*)
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Specific lines on the village boundary
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0
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The portion of the village boundary drawn with broken lines must be digitized in a continuous fashion as a separate line and provided with the mentioned style no.
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R
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Village boundary
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1
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The alignment of the village boundary is along the middle of the thick line.
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R
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Municipal/Notified Town Boundary
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2
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Only the broken line of the boundary should be given in the line layer.
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NR
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Ward (municipal) boundary
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2
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This is for the broken line denoting the boundary.
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NR
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4
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This is for the small line segments that are perpendicular to the broken line.
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NR
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Forest boundary
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3
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Only the line representing the forest boundary should be given in the line layer. The entire boundary may be divided into different segments such that each segment is an entity in the line layer, provided all these segments contain the same style no.
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NR
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Wire fencing/railing along property boundary (showing ownership)
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4
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Only the line representing the property boundary should be given in the line layer (the ‘X’ marks had already been given in the point layer as mentioned in the previous table). The entire boundary may be divided into different segments such that each segment is an entity in the line layer, provided all these segments contain the same style no.
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NR
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Village boundary cutting along the length of river/road
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2
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Only the line representing the village boundary should be given in the line layer. The entire boundary may be divided into different segments such that each segment is an entity in the line layer, provided all these segments contain the same style no.
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R
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Village boundary cutting across a water body
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2
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Only the line representing the village boundary should be given in the line layer.
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R
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Plot boundary where there is a water body across it
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2
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Only the line representing the plot boundary should be given in the line layer.
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R (.dbf)
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Tram line
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5
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Only the line representing the Tram line should be given in the line layer. The entire line may be divided into different segments such that each segment is an entity in the line layer, provided all these segments contain the same style no.
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NR
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Railway
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6
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Only the line representing the Railway line should be given in the line layer. The entire line may be divided into different segments such that each segment is an entity in the line layer, provided all these segments contain the same style no.
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R
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Trekking route in hilly areas (too narrow for both sides of the path to be surveyed separately).
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7
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Only the line representing the Trekking should be given in the line layer. The entire line may be divided into different segments such that each segment is an entity in the line layer, provided all these segments contain the same style no.
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NR
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Culvert
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4
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Only the small line segments representing the culvert should be given in the line layer.
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NR
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Road (flyover) over Railway
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4
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Style 4 is used for the edges of the Road (flyover) above the Railway.
Style 6 is used for the Railway line under the Road (flyover).
The Railway line as shown in the figure comprises of two line segments on either side of the road (flyover).
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NR
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6
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NR
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Railway (flyover) over road
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4
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Style 4 is used for the edges of the railway (flyover) above the road.
Style 6 is used for the road under the railway (flyover).
The road as shown in the figure comprises of two parts on either side of the railway (flyover).
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NR
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6
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NR
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Railway (flyover) over railway
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4
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Style 4 is used for the edges of the flyover.
Style 6 is used for the railway line passing under the flyover.
The railway line as shown in the figure comprises of two line segments on either side of the road (flyover).
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NR
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6
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NR
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Subway (underground) under railway
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2
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Style 2 is used for the broken line denoting the subway under the railway line.
Style 6 is used for the railway line.
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NR
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6
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NR
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Subway (underground) under road
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2
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Style 2 is used for the broken line denoting the subway under the road.
Style 4 is used for the road above the subway.
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NR
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4
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NR
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Road (flyover) over road
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4
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The road lying below consists of two parts on either sides of the road lying above it
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NR
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Level crossing
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7
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It is assumed that the railway line is already present as an item as given in Sl. No. 19.
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NR
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River with, ferry and direction of flow of water
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4
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Style 4 is used to denote the direction of water flow along the river.
The entire arrow showing the direction should be digitized.
Style 7 is used denote the ferry.
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NR
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7
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NR
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Tidal stream
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4
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The entire arrow is to be digitized.
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NR
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Jhora (rivulet in hills)
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4
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Style 4 is used to indicate the edges of the jhora as surveyed in situ.
Style 8 is used to indicate the middle of the deepest courses of the jhora as surveyed in situ.
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NR
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8
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NR
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Narrow water channel along the plot boundaries with direction of flow of water (having width too small to be surveyed).
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9
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The arrows on the line (boundaries) must be digitized such that it shows the proper direction of the water flow.
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NR
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Drain/nala (in basti or town areas) with direction of flow of water.
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4
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The arrow showing the direction of flow of water should be given in the line layer.
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NR
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Pylon/electric/ telegraph/telephone post with line
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2
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Only the broken line is required in the line layer, the dots being provided in the point layer as mentioned in the previous table.
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NR
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The north-west sides of the water bodies including tank drawn with thick lines in the map
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16
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Only the thick lines are to be provided with the mentioned style number. Any other lines inside the mouza having a line thickness identical to the north-west side of the water bodies should be allotted the same style.
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NR
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(*) These may be different for individual States.
