Pertify

# Usage: pertify -f ./house.yml | dot -Tsvg > house-pert.svg
# example adapted from https://www.anychart.com/products/anygantt/gallery/Pert_Charts/House_Construction_PERT_Chart.php

actions:
  - id: "1"
    title: "Prepare foundation"
    estimate: [4, 6, 10]
  - id: "2"
    title: "Make & position door frames"
    estimate: [2, 4, 7]
  - id: "3"
    title: "Lay drains & floor base"
    estimate: [7, 9, 12]
  - id: "4"
    title: "Install service & settings"
    estimate: [2, 4, 5]
    depends_on: ["5"]
  - id: "5"
    title: "Erect walls"
    estimate: [7, 10, 15]
    depends_on: ["1", "2"]
  - id: "6"
    title: "Plaster ceilings"
    estimate: [1, 2, 4]
    depends_on: ["4", "7"]
  - id: "7"
    title: "Erect roof"
    estimate: [4, 6, 8]
    depends_on: ["5"]
  - id: "8"
    title: "Install door & windows"
    estimate: [7, 9, 11]
    depends_on: ["7"]
  - id: "9"
    title: "Fit gutters & pipes"
    estimate: [1, 2, 3]
    depends_on: ["3", "6"]
  - id: "10"
    title: "Paint outside"
    estimate: [1, 2, 3]
    depends_on: ["8", "9"]

digraph G {
	rankdir=LR;
	"Start"->"1";
	"Start"->"2";
	"Start"->"3" [ color=red ];
	"5"->"4";
	"1"->"5";
	"2"->"5";
	"4"->"6";
	"7"->"6";
	"5"->"7";
	"7"->"8";
	"3"->"9" [ color=red ];
	"6"->"9";
	"8"->"10";
	"9"->"10" [ color=red ];
	"10"->"Finish" [ color=red ];
	"1" [ comment="\npert: To=4,Tm=6,Tp=10,Te=6.33,σe=1,Ve=1", label="Prepare foundation", shape=box, style=rounded ];
	"10" [ color=red, comment="\npert: To=1,Tm=2,Tp=3,Te=2,σe=0.33,Ve=0.11", label="Paint outside", shape=box, style=rounded ];
	"2" [ comment="\npert: To=2,Tm=4,Tp=7,Te=4.17,σe=0.83,Ve=0.69", label="Make & position door frames", shape=box, style=rounded ];
	"3" [ color=red, comment="\npert: To=7,Tm=9,Tp=12,Te=9.17,σe=0.83,Ve=0.69", label="Lay drains & floor base", shape=box, style=rounded ];
	"4" [ comment="\npert: To=2,Tm=4,Tp=5,Te=3.83,σe=0.5,Ve=0.25", label="Install service & settings", shape=box, style=rounded ];
	"5" [ comment="\npert: To=7,Tm=10,Tp=15,Te=10.33,σe=1.33,Ve=1.78", label="Erect walls", shape=box, style=rounded ];
	"6" [ comment="\npert: To=1,Tm=2,Tp=4,Te=2.17,σe=0.5,Ve=0.25", label="Plaster ceilings", shape=box, style=rounded ];
	"7" [ comment="\npert: To=4,Tm=6,Tp=8,Te=6,σe=0.67,Ve=0.44", label="Erect roof", shape=box, style=rounded ];
	"8" [ comment="\npert: To=7,Tm=9,Tp=11,Te=9,σe=0.67,Ve=0.44", label="Install door & windows", shape=box, style=rounded ];
	"9" [ color=red, comment="\npert: To=1,Tm=2,Tp=3,Te=2,σe=0.33,Ve=0.11", label="Fit gutters & pipes", shape=box, style=rounded ];
	"Finish" [ color=blue, label="Finish", shape=diamond, style=rounded ];
	"Start" [ color=blue, label="Start", shape=diamond, style=rounded ];
}