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When the support extruders are set to 0, support is printed with the current material without a tool change.

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A fix of support path generator.
This commit is contained in:
bubnikv 2017-01-30 19:56:46 +01:00
parent 4e90ae9a28
commit 4ab972b87a
7 changed files with 77 additions and 53 deletions
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34
xs/src/libslic3r/Print.cpp
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@ -323,13 +323,26 @@ std::set<size_t>
Print::support_material_extruders() const
{
std::set<size_t> extruders;
bool support_uses_current_extruder = false;
FOREACH_OBJECT(this, object) {
if ((*object)->has_support_material()) {
extruders.insert((*object)->config.support_material_extruder - 1);
extruders.insert((*object)->config.support_material_interface_extruder - 1);
if ((*object)->config.support_material_extruder == 0)
support_uses_current_extruder = true;
else
extruders.insert((*object)->config.support_material_extruder - 1);
if ((*object)->config.support_material_interface_extruder == 0)
support_uses_current_extruder = true;
else
extruders.insert((*object)->config.support_material_interface_extruder - 1);
}
}
if (support_uses_current_extruder) {
// Add all object extruders to the support extruders as it is not know which one will be used to print supports.
std::set<size_t> object_extruders = this->object_extruders();
extruders.insert(object_extruders.begin(), object_extruders.end());
}
return extruders;
}
@ -653,6 +666,17 @@ Print::validate() const
FOREACH_OBJECT(this, i_object) {
PrintObject* object = *i_object;
if ((object->config.support_material_extruder == -1 || object->config.support_material_interface_extruder == -1) &&
(object->config.raft_layers > 0 || object->config.support_material.value)) {
// The object has some form of support and either support_material_extruder or support_material_interface_extruder
// will be printed with the current tool without a forced tool change. Play safe, assert that all object nozzles
// are of the same diameter.
if (nozzle_diameters.size() > 1)
return "Printing with multiple extruders of differing nozzle diameters. "
"If support is to be printed with the current extruder (support_material_extruder == 0 or support_material_interface_extruder == 0), ",
"all nozzles have to be of the same diameter.";
}
// validate first_layer_height
double first_layer_height = object->config.get_abs_value("first_layer_height");
@ -662,7 +686,9 @@ Print::validate() const
size_t first_layer_extruder = object->config.raft_layers == 1
? object->config.support_material_interface_extruder-1
: object->config.support_material_extruder-1;
first_layer_min_nozzle_diameter = this->config.nozzle_diameter.get_at(first_layer_extruder);
first_layer_min_nozzle_diameter = (first_layer_extruder == size_t(-1)) ?
min_nozzle_diameter :
this->config.nozzle_diameter.get_at(first_layer_extruder);
} else {
// if we don't have raft layers, any nozzle diameter is potentially used in first layer
first_layer_min_nozzle_diameter = min_nozzle_diameter;