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When using raft, validate first layer height against support material extruder only instead of taking other extruders into account, thus potentially allowing larger nozzles to be used for it. #2701

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This commit is contained in:
Alessandro Ranellucci 2015-03-06 21:35:00 +01:00
parent 9332c21791
commit 095391d702
8 changed files with 85 additions and 29 deletions
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51
xs/src/libslic3r/Print.cpp
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@ -305,9 +305,16 @@ Print::extruders() const
std::set<size_t> extruders;
FOREACH_REGION(this, region) {
extruders.insert((*region)->config.perimeter_extruder - 1);
extruders.insert((*region)->config.infill_extruder - 1);
extruders.insert((*region)->config.solid_infill_extruder - 1);
// these checks reflect the same logic used in the GUI for enabling/disabling
// extruder selection fields
if ((*region)->config.perimeters.value > 0 || this->config.brim_width.value > 0)
extruders.insert((*region)->config.perimeter_extruder - 1);
if ((*region)->config.fill_density.value > 0)
extruders.insert((*region)->config.infill_extruder - 1);
if ((*region)->config.top_solid_layers.value > 0 || (*region)->config.bottom_solid_layers.value > 0)
extruders.insert((*region)->config.solid_infill_extruder - 1);
}
FOREACH_OBJECT(this, object) {
if ((*object)->has_support_material()) {
@ -619,17 +626,37 @@ Print::validate() const
}
{
std::vector<double> layer_heights;
// find the smallest nozzle diameter
std::set<size_t> extruders = this->extruders();
if (extruders.empty())
throw PrintValidationException("The supplied settings will cause an empty print.");
std::set<double> nozzle_diameters;
for (std::set<size_t>::iterator it = extruders.begin(); it != extruders.end(); ++it)
nozzle_diameters.insert(this->config.nozzle_diameter.get_at(*it));
double min_nozzle_diameter = *std::min_element(nozzle_diameters.begin(), nozzle_diameters.end());
FOREACH_OBJECT(this, i_object) {
PrintObject* object = *i_object;
layer_heights.push_back(object->config.layer_height);
layer_heights.push_back(object->config.get_abs_value("first_layer_height"));
}
double max_layer_height = *std::max_element(layer_heights.begin(), layer_heights.end());
std::set<size_t> extruders = this->extruders();
for (std::set<size_t>::iterator it = extruders.begin(); it != extruders.end(); ++it) {
if (max_layer_height > this->config.nozzle_diameter.get_at(*it))
// validate first_layer_height
double first_layer_height = object->config.get_abs_value("first_layer_height");
double first_layer_min_nozzle_diameter;
if (object->config.raft_layers > 0) {
// if we have raft layers, only support material extruder is used on first layer
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);
} 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;
}
if (first_layer_height > first_layer_min_nozzle_diameter)
throw PrintValidationException("First layer height can't be greater than nozzle diameter");
// validate layer_height
if (object->config.layer_height.value > min_nozzle_diameter)
throw PrintValidationException("Layer height can't be greater than nozzle diameter");
}
}