LoggerPC 4.0 is a software package designed to do payload analysis
for skyline logging systems. The program has evolved over the
last 20 years from one that ran on the very early desk-top computers
to this current version. Many people within the Forest Service
and Oregon State University have had a part to play over the
years in the development of various versions of LoggerPC. LoggerPC4
is the product of a new development effort.
The program allows logging planners to accurately estimate payloads
and line tensions for specific cable yarding scenarios. A wide
range of cable yarding systems can be analyzed.
LoggerPC4 has some new features. The windows interface is entirely
new. There have been enhancements to many of the routines including
multispan. It is no longer possible to use a digitizer directly
with LoggerPC4 although there are enhanced data import routines
for GIS and ASCII files as well as files from LoggerPC 3.2. It
is no longer possible to group profiles.
- Appendices: Glossary of Terms, Digitizing with LoggerPC,
Braking Torques and Drum Dimensions (Running Skyline), Wire
Rope Specifications, Log Drag Geometry, Solution Algorithms
and Assumptions, Conversion Factors
- A Quick Reference for Finding Help on Specific Topics
The items listed below are things that have been changed in the
new version.
- The display problems with Super VGA monitors (and drivers)
have been corrected so that the screens function properly,
although the window size cannot be increased to fill the entire
screen.
- Using digitizers to enter profiles is now simpler. A Digitizer
Configuration Library has been added that will allow the user
to select from the 20 preset digitizer configurations designed
for popular digitizing tablets. If the user's digitizing tablet
does not have a preset configuration file, the user can create
a new one and save it for later use. This is the single largest
change made to the program and a short User's Guide Supplement
is available to help the user.
- The default values that appear in the Phase 2 analysis input
boxes (Standing or Multispan analysis) have been changed to
make the iteration process for maximum payload easier.
- The Multispan analysis has been corrected to allow more than
two intermediate supports.
- Units of measure (lbs, feet, Kg, meters) are now reported
on several program outputs.
- Several small problems that caused the program to crash have
been eliminated.
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