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slicer.go
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slicer.go
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package main
import (
"GoSlice/clip"
"GoSlice/data"
"GoSlice/gcode"
"GoSlice/gcode/renderer"
"GoSlice/handler"
"GoSlice/modifier"
"GoSlice/optimizer"
"GoSlice/reader"
"GoSlice/slicer"
"GoSlice/writer"
"fmt"
"time"
)
// GoSlice combines all logic needed to slice
// a model and generate a GCode file.
type GoSlice struct {
options *data.Options
reader handler.ModelReader
optimizer handler.ModelOptimizer
slicer handler.ModelSlicer
modifiers []handler.LayerModifier
generator handler.GCodeGenerator
writer handler.GCodeWriter
}
// NewGoSlice provides a GoSlice with all built in implementations.
func NewGoSlice(options data.Options) *GoSlice {
s := &GoSlice{
options: &options,
}
// create handlers
topBottomPatternFactory := func(min data.MicroPoint, max data.MicroPoint) clip.Pattern {
return clip.NewLinearPattern(options.Printer.ExtrusionWidth, options.Printer.ExtrusionWidth, min, max, options.Print.InfillRotationDegree, false)
}
s.reader = reader.Reader(&options)
s.optimizer = optimizer.NewOptimizer(&options)
s.slicer = slicer.NewSlicer(&options)
s.modifiers = []handler.LayerModifier{
modifier.NewPerimeterModifier(&options),
modifier.NewInfillModifier(&options),
modifier.NewInternalInfillModifier(&options),
}
s.generator = gcode.NewGenerator(
&options,
gcode.WithRenderer(renderer.PreLayer{}),
gcode.WithRenderer(renderer.Perimeter{}),
gcode.WithRenderer(&renderer.Infill{
PatternSetup: topBottomPatternFactory,
AttrName: "bottom",
Comments: []string{"TYPE:FILL", "BOTTOM-FILL"},
}),
gcode.WithRenderer(&renderer.Infill{
PatternSetup: topBottomPatternFactory,
AttrName: "top",
Comments: []string{"TYPE:FILL", "TOP-FILL"},
}),
gcode.WithRenderer(&renderer.Infill{
PatternSetup: func(min data.MicroPoint, max data.MicroPoint) clip.Pattern {
// TODO: the calculation of the percentage is currently very basic and may not be correct.
if options.Print.InfillPercent != 0 {
mm10 := data.Millimeter(10).ToMicrometer()
linesPer10mmFor100Percent := mm10 / options.Printer.ExtrusionWidth
linesPer10mmForInfillPercent := float64(linesPer10mmFor100Percent) * float64(options.Print.InfillPercent) / 100.0
lineWidth := data.Micrometer(float64(mm10) / linesPer10mmForInfillPercent)
return clip.NewLinearPattern(options.Printer.ExtrusionWidth, lineWidth, min, max, options.Print.InfillRotationDegree, options.Print.InfillZigZag)
}
return nil
},
AttrName: "infill",
Comments: []string{"TYPE:FILL", "INTERNAL-FILL"},
}),
gcode.WithRenderer(renderer.PostLayer{}),
)
s.writer = writer.Writer()
return s
}
func (s *GoSlice) Process() error {
startTime := time.Now()
// 1. Load model
models, err := s.reader.Read(s.options.InputFilePath)
if err != nil {
return err
}
// 2. Optimize model
var optimizedModel data.OptimizedModel
// TODO: support several model processing
//for i, model := range models {
optimizedModel, err = s.optimizer.Optimize(models[0])
if err != nil {
return err
}
//}
err = optimizedModel.SaveDebugSTL("test.stl")
if err != nil {
return err
}
// 3. Slice model into layers
layers, err := s.slicer.Slice(optimizedModel)
if err != nil {
return err
}
// 4. Modify the layers
// e.g. generate perimeter paths,
// generate the parts which should be filled in, ...
for _, m := range s.modifiers {
m.Init(optimizedModel)
for layerNr := range layers {
err = m.Modify(layerNr, layers)
if err != nil {
return err
}
}
}
// 5. generate gcode from the layers
s.generator.Init(optimizedModel)
finalGcode, err := s.generator.Generate(layers)
if err != nil {
return err
}
err = s.writer.Write(finalGcode, s.options.InputFilePath ".gcode")
fmt.Println("full processing time:", time.Now().Sub(startTime))
return err
}