Thanks for response, but syntax is OK. this is Raster map algebra syntax no field calculator (or Query) syntax. But i found very strange behaviour of FGDB raster in mapAlgebra.
1) when i use directly FGDB raster to mapAlgebra and then other opration (except MapAlgebra) it runs OK.
Dim pOutputRaster As IRaster
pMapAlgebraOp.BindRaster(pFGDBRaster, "Mann")
pOutputRaster = pMapAlgebraOp.Execute("FLOAT([Mann]) / 100.0")
pMapAlgebraOp.UnbindRaster("Mann")
pOutputRaster = pReclass.Reclass(pOutputRaster , pReclassTable, "ID", "ID", "MANNING", True)
2) when i use FGDB raster first to other operation and then to MapAlgebra it runs whit ERROR
Dim pOutputRaster As IRaster
pOutputRaster = pReclass.Reclass(pFGDBRaster, pReclassTable, "ID", "ID", "MANNING", True)
pMapAlgebraOp.BindRaster(pOutputRaster , "Mann")
pOutputRaster = pMapAlgebraOp.Execute("FLOAT([Mann]) / 100.0")
pMapAlgebraOp.UnbindRaster("Mann")
3) when i use FGDB raster first to other operation then another one except MapAlgebra and then to MapAlgebra it runsOK
Dim pOutputRaster As IRaster
pOutputRaster = pReclass.Reclass(pFGDBRaster, pReclassTable, "ID", "ID", "MANNING", True)
Dim pMapOp As IMathOp
pMapOp = New RasterMathOps
pOutputRaster = pMapOp.Float(pOutputRaster )
pMapAlgebraOp.BindRaster(pOutputRaster , "Mann")
pOutputRaster = pMapAlgebraOp.Execute("FLOAT([Mann]) / 100.0")
pMapAlgebraOp.UnbindRaster("Mann")
4) when i use FGDB raster first to other operation then save this raster to disk and then use it in MapAlgebra it run OK