Product Overview

The Wheeler Sunpredictor™ is an extremely powerful, yet simple to use hand-held sun prediction program. It instantly calculates the position of the sun for any date and time anywhere in the world.

Designed for use on location, there is no longer the need for desktop computers and printers. Running on hand-held devices makes it ideal for cinematographers, photographers, production designers, location coordinators, architects as well as many other professionals and hobbyists.

The Wheeler Sunpredictor software is compatible with PDAs running on the Microsoft Windows Mobile Pocket PC platform and has been independently tested and passed the requirements for the Designed for Windows Mobile Logo.

Designed for Windows Mobile

Predicting the Sun

The program calculates the parameters of the sun (i.e. compass bearing, elevation angle, date and time) for the given location. You can interactively modify any of the parameters and all the other parameters are automatically updated. This makes the Wheeler Sunpredictor an extremely powerful sun prediction tool.

Predict the sun's position

Select date via pop-up Calendar
  • Graphically displays the location and path of the sun for the entire day
  • Shows at a glance how high and for how long the sun will be in the sky
  • Computations are instantaneously updated when changing the time, date, compass bearing or elevation angle
  • Drag the sun along its path and all parameters are automatically updated
  • Time can be changed by dragging the hands on the analog clock and all parameters are automatically updated
  • Allows the use of compass bearings because magnetic declination is applied by the program
  • Predict the time that the sun will appear from behind an object by taking a compass bearing or clino reading to that object and entering it in the appropriate field
  • Sunrise, sunset and the total hours of daylight are displayed at the top of the screen
  • Daylight Savings Time (DST) is automatically applied for the time zone
  • Easily set the required date via the pop-up calendar
  • Date and time format is customizable to your preferences
  • Tailor the sun path graphic display to your requirements

Manage Your Locations

The Wheeler Sunpredictor features a location database through which the details of locations are stored and managed. An optional GPS allows you to automatically obtain latitude and longitude of your current location, or you can manually enter these from maps, web sites, or other sources.

  • Rapidly obtain position (latitude and longitude) via a connected GPS
  • Positions obtained from GPS are automatically entered into the required fields
  • Manually enter positions obtained via maps, atlases and web sites
  • Select from a predefined list of locations
  • Assign meaningful names to your locations
  • World time zones are provided in a drop-down list
  • Selected time zone is validated against the entered longitude for a mismatch
  • Location details are stored in a database for later recall (no need to re-input data)
  • Easily create, rename, delete and save your locations
  • Supports most GPS receivers that output NMEA sentences
  • GPS receiver can be CF card, Bluetooth or in-built
Manage locations and GPS

Acquire GPS position

Customize To Your Requirements

The Wheeler Sunpredictor allows you to control and customize the features as well as configure the GPS device connected, so as to work the way you do.

Customize GPS and program settings
  • Select your preferred compass bearing format
  • Set the desired accuracy for positions obtained from GPS
  • Configure on which port the GPS is connected to your PDA
  • "Friendly" names are displayed for known GPS receivers
  • Configure the baud rate for the GPS connected to your PDA
  • Set whether the splash screen is to be displayed at program start-up