Move retraction distance to material settings

I've discussed this with Tom, Kristel, Diana, Marvin and Oscar. This setting should really be dependent on material since the material influences the speed it can handle the most.

Contributes to issue CURA-346.

resources/machines/RigidBot.json

@@ -44,7 +44,6 @@
         "material_diameter": { "default": 1.75, "visible": true },
         "retraction_enable": { "default": true, "always_visible": true },
         "retraction_speed": { "default": 50.0, "visible": false },
-        "retraction_amount": { "default": 0.8, "visible": false },
         "retraction_hop": { "default": 0.075, "visible": false },
         "speed_print": { "default": 60.0, "visible": true },
         "speed_infill": { "default": 100.0, "visible": true },

resources/machines/RigidBotBig.json

@@ -42,7 +42,6 @@
         "material_diameter": { "default": 1.75, "visible": true },
         "retraction_enable": { "default": true, "always_visible": true},
         "retraction_speed": { "default": 50.0, "visible": false },
-        "retraction_amount": { "default": 0.8, "visible": false },
         "retraction_hop": { "default": 0.075, "visible": false },
         "speed_print": { "default": 60.0, "visible": true},
         "speed_infill": { "default": 100.0, "visible": true },

resources/machines/bq_hephestos.json

@@ -51,7 +51,6 @@
         "speed_travel": { "default": 120.0 },
         "speed_layer_0": { "default": 20.0, "visible": false },
         "retraction_speed": { "default": 30.0, "visible": false},
-        "retraction_amount": { "default": 2.0, "visible": false },
         "retraction_hop": { "default": 0.075, "visible": false },
         "support_enable": { "default": true }
     }

resources/machines/bq_hephestos_2.json

@@ -54,7 +54,6 @@
         "speed_infill": { "default": 80.0, "visible": true },
         "speed_topbottom": { "default": 35.0, "visible": false },
         "skirt_speed": { "default": 35.0, "visible": false },
-        "retraction_amount": { "default": 2.0, "visible": false },
         "retraction_speed": { "default": 45.0, "visible": false },
         "skirt_line_count": { "default": 4 },
         "skirt_minimal_length": { "default": 30.0, "visible": false },

resources/machines/bq_hephestos_xl.json

@@ -51,7 +51,6 @@
         "speed_travel": { "default": 120.0 },
         "speed_layer_0": { "default": 20.0, "visible": false },
         "retraction_speed": { "default": 30.0, "visible": false},
-        "retraction_amount": { "default": 2.0, "visible": false },
         "retraction_hop": { "default": 0.075, "visible": false },
         "support_enable": { "default": true }
     }

resources/machines/bq_witbox.json

@@ -51,7 +51,6 @@
         "speed_travel": { "default": 120.0 },
         "speed_layer_0": { "default": 20.0, "visible": false },
         "retraction_speed": { "default": 30.0, "visible": false},
-        "retraction_amount": { "default": 2.0, "visible": false },
         "retraction_hop": { "default": 0.075, "visible": false },
         "support_enable": { "default": true }
     }

resources/machines/bq_witbox_2.json

@@ -54,7 +54,6 @@
         "speed_infill": { "default": 80.0, "visible": true },
         "speed_topbottom": { "default": 35.0, "visible": false },
         "skirt_speed": { "default": 35.0, "visible": false },
-        "retraction_amount": { "default": 2.0, "visible": false },
         "retraction_speed": { "default": 45.0, "visible": false },
         "skirt_line_count": { "default": 4 },
         "skirt_minimal_length": { "default": 30.0, "visible": false },

resources/machines/fdmprinter.json

@@ -718,7 +718,7 @@
                     "description": "The length of material retracted during a retraction move.",
                     "unit": "mm",
                     "type": "float",
-                    "default": 4.5,
+                    "default": 6.5,
                     "min_value_warning": "-0.0001",
                     "max_value_warning": "10.0",
                     "visible": false,

resources/machines/innovo-inventor.json

@@ -36,7 +36,6 @@
         "material_diameter": { "default": 1.75, "visible": true},
         "retraction_enable": { "default": true, "always_visible": true},
         "retraction_speed": { "default": 50.0, "visible": false },
-        "retraction_amount": { "default": 2.5, "visible": false },
         "retraction_hop": { "default": 0.075, "visible": false },
         "speed_print": { "default": 60.0, "visible": true},
         "speed_infill": { "default": 100.0, "visible": true },

resources/machines/ultimaker2plus.json

@@ -45,7 +45,6 @@
                 ]
             ]
         },
-        "retraction_amount": { "default": 6.0 },
         "machine_disallowed_areas": { "default": [
               [[-115.0,  112.5], [ -78.0,  112.5], [ -80.0,  102.5], [-115.0,  102.5]],
               [[ 115.0,  112.5], [ 115.0,  102.5], [ 105.0,  102.5], [ 103.0,  112.5]],

resources/profiles/materials/abs.cfg

@@ -7,5 +7,3 @@ name = ABS
 material_print_temperature = 250
 material_bed_temperature = 80
 material_flow = 107
-retraction_amount = 6.5
-

resources/profiles/materials/cpe.cfg

@@ -6,4 +6,3 @@ name = CPE
 [settings]
 material_print_temperature = 250
 material_bed_temperature = 70
-retraction_amount = 6.5

resources/profiles/materials/pla.cfg

@@ -5,4 +5,3 @@ name = PLA
 
 [settings]
 material_bed_temperature = 60
-retraction_amount = 6.5