WaterStrategy
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  • WaterStrategy Documentation
  • Support
  • Getting Started
    • Creating an Account
    • Logging In
    • Tour of WaterStrategy
    • Creating a new Project and Network
    • Sharing Projects and Networks
    • Exporting and Importing Models
    • Dealing with Model Errors
    • Uploading External Data
  • Modeling Basics
    • Water Resource System Modeling?
    • What is Pywr?
    • Pywr Concepts
    • Node Types
      • Water Input
        • Input Node
        • Catchment Node
        • Proportional Input Node
      • Water Transport
        • Link Node
        • River Node
        • Delay Node
        • RiverSplit Node
        • RiverSplitWithGauge Node
        • RiverGauge Node
        • BreakLink Node
        • PiecewiseLink Node
        • MultiSplitLink Node
      • Water Storage
        • Storage Node
        • Reservoir Node
        • VirtualStorage Node
        • RollingVirtualStorage Node
        • AnnualVirtualStorage Node
        • SeasonalVirtualStorage Node
        • AggregatedStorage Node
      • Water Output
        • Output Node
        • Loss Link Node
      • Hydropower
        • Turbine Node
      • Others
        • AggregatedNode
    • Allocation Penalties
    • Scenarios
      • WaterStrategy Scenarios
      • Pywr-Scenarios
        • Parameter and pywr-scenario Integration
    • Parameters
      • Base Parameter Class
        • Parameter
        • IndexParameter
      • Simple Parameters
        • Constant
        • Constant Scenario Parameter
        • Constant Scenario Index Parameter
      • Combining multiple parameters
        • Aggregated Parameter
        • Aggregated Index Parameter
        • Division Parameter
        • Negative Parameter
        • MaxParameter
        • Negative MaxParameter
        • MinParameter
        • Negative MinParameter
        • Offset Parameter
      • Time Series and Profiles
        • Daily Profile
        • Weekly Profile
        • Monthly Profile
        • Uniform Drawdown Profile
        • Scenario Daily Profile
        • Scenario Weekly Profile
        • Scenario Monthly Profile
        • Array Indexed Scenario Monthly Factors
        • RBF Profile
      • DataFrame Parameter
      • HDF5 Parameter
      • Array Based Parameters
        • Array Indexed Parameter
        • Array Indexed Scenario Parameter
        • Indexed Array Parameter
      • Threshold Parameters
        • Abstract Threshold
        • Storage Threshold
        • Node Threshold
        • Parameter Threshold
        • Recorder Threshold
        • Current Year Threshold
        • Current Ordinal Day Threshold
      • Interpolation Parameters
        • Interpolated Parameter
        • Interpolated Quadrature
        • Interpolated Flow
        • Interpolated Volume
      • Control Curve Parameters
        • Base Control Curve
        • Control Curve Interpolated Parameter
        • Control Curve Piecewise Interpolated Parameter
        • Control Curve Index Parameter
      • Hydropower Parameters
      • Others
        • Annual Harmonic Series Parameter
        • Deficit Parameter
        • Scenario Wrapper Parameter
        • Piecewise Integral Parameter
        • Flow Parameter
        • Flow Delay Parameter
        • Discount Factor Parameter
    • Recorders
      • Base Recorder
        • Recorder
        • Node Recorder
        • Storage Recorder
        • Parameter Recorder
        • Index Parameter Recorder
        • Aggregator
      • Numpy Array Recorders
        • Numpy Array Node Recorder
        • Numpy Array Storage Recorder
        • Numpy Array Level Recorder
        • Numpy Array Area Recorder
        • Numpy Array Parameter Recorder
        • Numpy Array Index Parameter Recorder
        • Numpy Array Daily Profile Parameter Recorder
      • Flow Duration Curve Recorders
        • Flow Duration Curve Recorder
        • Storage Duration Curve Recorder
        • Flow Duration Curve Deviation Recorder
        • Seasonal Flow Duration Curve Recorder
      • Deficit Recorders
        • Numpy Array Node Deficit Recorder
        • Numpy Array Node Supplied Ratio Recorder
        • Numpy Array Node Curtailment Ratio Recorder
        • Total Deficit Node Recorder
        • Deficit Frequency Node Recorder
      • Statistical Recorders
        • Aggregated Recorder
        • Mean Flow Node Recorder
        • Total Flow Node Recorder
        • Annual Total Flow Recorder
        • Mean Parameter Recorder
        • Total Parameter Recorder
        • Rolling Mean Flow Node Recorder
        • Minimum Volume Storage Recorder
        • Minimum Threshold Volume Storage Recorder
        • Timestep Count Index Parameter Recorder
        • Annual Count Index Threshold Recorder
        • Rolling Window Parameter Recorder
      • Index Recorders
        • Annual Count Index Parameter Recorder
      • File Recorders
        • CSV Recorder
        • Tables Recorder
      • Hydro-power Recorders
        • Hydropower Recorder
        • Total Hydro Energy Recorder
  • Applied Modeling
    • Reservoir and Storage Nodes
  • Tutorials
    • Creating and running a simple model
      • Creating and Running a Model
        • Setting up a Project and Network
        • Adding Nodes and Links (Edges)
        • Add Data to the Nodes
        • Setting the Time Horizon
        • Running the Model and Visualizing its Outputs
        • Creating a New Scenario
        • Exercise
      • Making Changes to a Model
        • Adding a Reservoir
        • Adding Basic Operating Rules
    • Modelling basin reservoir systems
      • Creating a New Project and Network
      • Adding a Dam (Reservoir)
      • Adding a Demand
      • Adding a Water Treatment Works with Losses
      • Adding a Source Representing Groundwater
      • Additional Exercises
      • Adding reservoir bathymetry, evaporation, and rainfall
        • Background on Evaporation and Precipitation on Reservoirs
        • Adding reservoir bathymetry (Area)
        • Adding reservoir bathymetry (Level)
        • Adding monthly evaporation and rainfall
      • Using allocation penalties and control rules to balance sources
      • Control Curves and Demand Savings
        • Adding reservoir control curves and demand savings (reductions)
    • Using Allocation Penalties to Allocate Water
      • Exercise 1a Two nodes
      • Exercise 1b Two demands
      • Exercise 1c Minimum Flow Properties
      • Exercise 2a Simple system with reservoir draw downs
      • Exercise 2b Simple system with overflow
    • Pywr-scenarios reading external DataFrame and adding Custom Rules
      • Uploading Files
      • Reading CSV DataFrame
      • Running pywr-scenarios
      • Reading h5 DataFrame for pywr-scenarios
      • Create Custom Rule - TranscientDecisionParameter
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  1. Modeling Basics
  2. Parameters

Base Parameter Class

All the Parameter subclasses in pywr are descended from a common base class.

PreviousParametersNextParameter

Last updated 8 months ago

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