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HPGL file area calculation (new)

Program WKVAD calculates area and perimeter of CCW and CW loops from file in HPGL format. Detailed description of program is in manual wkvad.pdf which is available upon request by email.

The sample HPGL file:

PA0,0;PD;
PR1000,0;
PR0,120;
AR-80,0,90;
PR-580,0;
AR0,140,-90;
PR,0,580;
AR-80,0,90;
PR-120,0;
PR0,-1000;

produces the following result when read into program:


WKVAD screen sample

The latest version of program in addtion to area and perimeter also calculates the moments. If we read a cross-section of metal profile as an HPGL file - there is an L-profile on above picture - then by pressing Moments menu the following values are displayed:


WKVAD Moments message box

This can be helpful in:

  • mechanical construction calculation
  • pattern recognition

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