"""
    Spatial Data Modeller for ESRI* ArcGIS 9.2
    Copyright 2007
    Gary L Raines, Reno, NV, USA: production and certification
    Don L Sawatzky, Spokane, WA, USA: Python software development
    
"""
# Create the Geoprocessor object
# Import system modules
import sys, string, os

#GP = win32com.client.Dispatch("esriGeoprocessing.GpDispatch.1")
import arcgisscripting
GP = arcgisscripting.create()

try:
    Evidence_Raster = GP.GetParameterAsText(0)
    #desc = GP.Describe(Evidence_Raster)
    #Evidence_Raster = desc.CatalogPath
    #GP.AddMessage(Evidence_Raster)
    Minimum = GP.GetParameterAsText(1)
    #GP.AddMessage(Mean)
    Maximum = GP.GetParameterAsText(2)
    #GP.AddMessage(Spread)
    Output_Raster = GP.GetParameterAsText(3)
    if Output_Raster == "":
        Output_Raster = Evidence_Raster + "_Lin"
        GP.SetParameterAsText(3,Output_Raster)
    #GP.AddMessage(Output_Raster)
    
# Check out ArcGIS Spatial Analyst extension license
    GP.CheckOutExtension("Spatial")

# Process
    GP.OverwriteOutput = 1
#con((Float(Evidence_Raster) - Minimum ) / ( Maximum - Minimum) < 0, 0, con((Float(Evidence_raster) - Minimum ) / ( Maximum - Minimum) > 1,1,(Float(Evidence_Raster) - Minimum )  / ( Maximum - Minimum)))
    InExpression = "con((Float(" + Evidence_Raster + ") - " + Minimum + ") / (" +  Maximum + " - " + Minimum + ") < 0, 0, con((Float(" + Evidence_Raster + ") - " + Minimum + " ) / ( " +  Maximum + " - " + Minimum + ") > 1,1,(Float(" + Evidence_Raster + ") - " + Minimum + " )  / ( " +  Maximum + " - " + Minimum + ")))"
    #GP.AddMessage(InExpression)
# Process: MapAlgebraStatement
    GP.SingleOutputMapAlgebra_sa(InExpression,Output_Raster,"#")
except:
    GP.AddError("Error in Execution" + GP.GetMessages())
GP.AddMessage("Exit Linear Fuzzy.")