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HPGL plotter fix incorrect scaling factor 

A 0.4% scale error in hpgl plots was previously existing since a long time.

Fixes: lp:1772828
https://bugs.launchpad.net/kicad/+bug/1772828
This commit is contained in:
jean-pierre charras 2018-05-25 20:50:00 +02:00
parent 250d958ebb
commit c614f73c50
1 changed files with 3 additions and 2 deletions
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5
common/plotters/HPGL_plotter.cpp
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@ -210,8 +210,9 @@
// EP; draws the polygon outline. It usually gives a better look to the filled polygon // EP; draws the polygon outline. It usually gives a better look to the filled polygon
static const char hpgl_end_polygon_cmd[] = "PM 2; FP; EP;\n"; static const char hpgl_end_polygon_cmd[] = "PM 2; FP; EP;\n";
// HPGL scale factor (1 PLU = 1/40mm = 25 micrometers) // HPGL scale factor (1 Plotter Logical Unit = 1/40mm = 25 micrometers)
static const double PLUsPERDECIMIL = 0.102041; // PLUsPERDECIMIL = (25.4 / 10000) / 0.025
static const double PLUsPERDECIMIL = 0.1016;
HPGL_PLOTTER::HPGL_PLOTTER() HPGL_PLOTTER::HPGL_PLOTTER()
{ {