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#include <cassert>
#include "libslic3r/Flow.hpp"
#include "libslic3r/Slicing.hpp"
#include "libslic3r/libslic3r.h"
#include "PresetHints.hpp"
#include <wx/intl.h>
#include "GUI.hpp"
#include "format.hpp"
#include "I18N.hpp"
namespace Slic3r {
#define MIN_BUF_LENGTH 4096
std::string PresetHints::cooling_description(const Preset &preset)
{
std::string out;
int min_fan_speed = preset.config.opt_int("min_fan_speed", 0);
int max_fan_speed = preset.config.opt_int("max_fan_speed", 0);
int top_fan_speed = preset.config.opt_int("top_fan_speed", 0);
int bridge_fan_speed = preset.config.opt_int("bridge_fan_speed", 0);
int bridge_internal_fan_speed = preset.config.opt_int("bridge_internal_fan_speed", 0);
int ext_peri_fan_speed = preset.config.opt_int("external_perimeter_fan_speed", 0);
int disable_fan_first_layers = preset.config.opt_int("disable_fan_first_layers", 0);
int slowdown_below_layer_time = preset.config.opt_int("slowdown_below_layer_time", 0);
int min_print_speed = int(preset.config.opt_float("min_print_speed", 0) + 0.5);
int max_speed_reduc = int(preset.config.opt_float("max_speed_reduction", 0));
int fan_below_layer_time = preset.config.opt_int("fan_below_layer_time", 0);
//for the time being, -1 shoudl eb for disabel, but it's 0 from legacy.
if (top_fan_speed == 0) top_fan_speed = -1;
if (bridge_fan_speed == 0) bridge_fan_speed = -1;
if (bridge_internal_fan_speed == 0) bridge_internal_fan_speed = -1;
if (ext_peri_fan_speed == 0) ext_peri_fan_speed = -1;
if (top_fan_speed == 1) top_fan_speed = 0;
if (bridge_fan_speed == 1) bridge_fan_speed = 0;
if (bridge_internal_fan_speed == 1) bridge_internal_fan_speed = 0;
if (ext_peri_fan_speed == 1) ext_peri_fan_speed = 0;
//if (preset.config.opt_bool("cooling", 0)) {
out = _utf8(L("Fan"));
if (preset.config.opt_bool("fan_always_on", 0)) {
out += " " + (boost::format(_utf8(L("will run at %1%%% by default"))) % min_fan_speed).str() ;
if (ext_peri_fan_speed >= 0 && ext_peri_fan_speed != min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over external perimeters"))) % ext_peri_fan_speed).str();
}
if (top_fan_speed >= 0 && top_fan_speed != min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over top fill surfaces"))) % top_fan_speed).str();
}
if (bridge_fan_speed >= 0 && bridge_fan_speed > min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over bridges"))) % bridge_fan_speed).str();
}
if (bridge_internal_fan_speed >= 0 && bridge_internal_fan_speed > min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over infill bridges"))) % bridge_internal_fan_speed).str();
}
if (disable_fan_first_layers > 1)
out += ", " + (boost::format(_utf8(L("except for the first %1% layers where the fan is disabled"))) % disable_fan_first_layers).str();
else if (disable_fan_first_layers == 1)
out += ", " + _utf8(L("except for the first layer where the fan is disabled"));
out += ".";
} else
out += " " + _utf8(L("will be turned off by default."));
if (fan_below_layer_time > 0
&& fan_below_layer_time > slowdown_below_layer_time
&& max_fan_speed > min_fan_speed) {
out += (boost::format(_utf8(L("\n\nIf estimated layer time is below ~%1%s, but still greater than ~%2%s, "
"fan will run at a proportionally increasing speed between %3%%% and %4%%%")))
% fan_below_layer_time % slowdown_below_layer_time % min_fan_speed % max_fan_speed).str();
if (ext_peri_fan_speed > max_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over external perimeters"))) % ext_peri_fan_speed).str();
} else if (ext_peri_fan_speed > min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over external perimeters"))) % ext_peri_fan_speed).str() + " " + L("if it's above the current computed fan speed value");
}
if (top_fan_speed >= 0) {
out += ", " + (boost::format(_utf8(L("at %1%%% over top fill surfaces"))) % top_fan_speed).str();
}
if (bridge_fan_speed > max_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over bridges"))) % bridge_fan_speed).str();
} else if (bridge_fan_speed > min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over bridges"))) % bridge_fan_speed).str() + " " + L("if it's above the current computed fan speed value");
}
if (bridge_internal_fan_speed > max_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over infill bridges"))) % bridge_internal_fan_speed).str();
} else if (bridge_internal_fan_speed > min_fan_speed) {
out += ", " + (boost::format(_utf8(L("at %1%%% over infill bridges"))) % bridge_internal_fan_speed).str() + " " + L("if it's above the current computed fan speed value");
}
if (disable_fan_first_layers > 1)
out += " ; " + ((boost::format(_utf8(L("except for the first %1% layers where the fan is disabled"))) % disable_fan_first_layers).str());
else if (disable_fan_first_layers == 1)
out += " ; "+ _utf8(L("except for the first layer where the fan is disabled"));
out += ".";
}
if (slowdown_below_layer_time > 0) {
out += (boost::format(_utf8(L("\n\nIf estimated layer time is below ~%1%s")))
% slowdown_below_layer_time).str();
if (max_fan_speed > 0 && max_fan_speed > min_fan_speed) {
out += " " + (boost::format(_utf8(L("fan will run by default to %1%%%")))
% max_fan_speed).str();
if (disable_fan_first_layers > 1)
out += " (" + (boost::format(_utf8(L("except for the first %1% layers where the fan is disabled"))) % disable_fan_first_layers).str() + ")";
else if (disable_fan_first_layers == 1)
out += " (" + _utf8(L("except for the first layer where the fan is disabled")) + ")";
out += " and";
}
out += " " + (boost::format(_utf8(L("print speed will be reduced "
"so that no less than %1%s are spent on that layer"))) % slowdown_below_layer_time).str();
if(min_print_speed > 0)
if(max_speed_reduc > 0)
out += " " + (boost::format(_utf8(L("(however, speed will never be reduced below %1%mm/s or up to %2%%% reduction)")))
% min_print_speed % max_speed_reduc).str();
else
out += " " + (boost::format(_utf8(L("(however, speed will never be reduced below %1%mm/s)")))
% min_print_speed).str();
}
//tooltip for Depractaed values
bridge_fan_speed = preset.config.opt_int("bridge_fan_speed", 0);
bridge_internal_fan_speed = preset.config.opt_int("bridge_internal_fan_speed", 0);
ext_peri_fan_speed = preset.config.opt_int("external_perimeter_fan_speed", 0);
top_fan_speed = preset.config.opt_int("top_fan_speed", 0);
if (top_fan_speed == 0)
out += "\n\n!!! 0 for the Top fan speed is Deprecated, please set it to -1 to disable it !!!";
if (ext_peri_fan_speed == 0)
out += "\n\n!!! 0 for the External perimeters fan speed is Deprecated, please set it to -1 to disable it !!!";
if (bridge_fan_speed == 0)
out += "\n\n!!! 0 for the Bridge fan speed is Deprecated, please set it to -1 to disable it !!!";
if (bridge_internal_fan_speed == 0)
out += "\n\n!!! 0 for the Infill bridge fan speed is Deprecated, please set it to -1 to disable it !!!";
return out;
}
static const ConfigOptionFloatOrPercent& first_positive(const ConfigOptionFloatOrPercent *v1, const ConfigOptionFloatOrPercent &v2, const ConfigOptionFloatOrPercent &v3)
{
return (v1 != nullptr && v1->value > 0) ? *v1 : ((v2.value > 0) ? v2 : v3);
}
std::string PresetHints::maximum_volumetric_flow_description(const PresetBundle &preset_bundle)
{
// Find out, to which nozzle index is the current filament profile assigned.
int idx_extruder = 0;
int num_extruders = (int)preset_bundle.filament_presets.size();
for (; idx_extruder < num_extruders; ++ idx_extruder)
if (preset_bundle.filament_presets[idx_extruder] == preset_bundle.filaments.get_selected_preset_name())
break;
if (idx_extruder == num_extruders)
// The current filament preset is not active for any extruder.
idx_extruder = -1;
const DynamicPrintConfig &print_config = preset_bundle.prints .get_edited_preset().config;
const DynamicPrintConfig &filament_config = preset_bundle.filaments.get_edited_preset().config;
const DynamicPrintConfig &printer_config = preset_bundle.printers .get_edited_preset().config;
// Current printer values.
float nozzle_diameter = (float)printer_config.opt_float("nozzle_diameter", idx_extruder);
// Print config values
double layer_height = print_config.opt_float("layer_height");
double first_layer_height = print_config.get_abs_value("first_layer_height", layer_height);
double support_material_speed = print_config.opt_float("support_material_speed");
double support_material_interface_speed = print_config.get_abs_value("support_material_interface_speed", support_material_speed);
double bridge_speed = print_config.opt_float("bridge_speed");
double bridge_flow_ratio = print_config.opt_float("bridge_flow_ratio");
double over_bridge_flow_ratio = print_config.opt_float("over_bridge_flow_ratio");
double perimeter_speed = print_config.opt_float("perimeter_speed");
double external_perimeter_speed = print_config.get_abs_value("external_perimeter_speed", perimeter_speed);
// double gap_fill_speed = print_config.opt_float("gap_fill_speed");
double infill_speed = print_config.opt_float("infill_speed");
double small_perimeter_speed = print_config.get_abs_value("small_perimeter_speed", perimeter_speed);
double solid_infill_speed = print_config.get_abs_value("solid_infill_speed", infill_speed);
double top_solid_infill_speed = print_config.get_abs_value("top_solid_infill_speed", solid_infill_speed);
// Maximum print speed when auto-speed is enabled by setting any of the above speed values to zero.
double max_print_speed = print_config.opt_float("max_print_speed");
// Maximum volumetric speed allowed for the print profile.
double max_volumetric_speed = print_config.opt_float("max_volumetric_speed");
const auto &extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("extrusion_width");
const auto &external_perimeter_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("external_perimeter_extrusion_width");
const auto &first_layer_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("first_layer_extrusion_width");
const auto &infill_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("infill_extrusion_width");
const auto &perimeter_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("perimeter_extrusion_width");
const auto &solid_infill_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("solid_infill_extrusion_width");
const auto &support_material_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("support_material_extrusion_width");
const auto &top_infill_extrusion_width = *print_config.option<ConfigOptionFloatOrPercent>("top_infill_extrusion_width");
const auto &first_layer_speed = *print_config.option<ConfigOptionFloatOrPercent>("first_layer_speed");
const auto& first_layer_infill_speed = *print_config.option<ConfigOptionFloatOrPercent>("first_layer_infill_speed");
const auto& first_layer_min_speed = *print_config.option<ConfigOptionFloatOrPercent>("first_layer_infill_speed");
// Index of an extruder assigned to a feature. If set to 0, an active extruder will be used for a multi-material print.
// If different from idx_extruder, it will not be taken into account for this hint.
auto feature_extruder_active = [idx_extruder, num_extruders](int i) {
return i <= 0 || i > num_extruders || idx_extruder == -1 || idx_extruder == i - 1;
};
bool perimeter_extruder_active = feature_extruder_active(print_config.opt_int("perimeter_extruder"));
bool infill_extruder_active = feature_extruder_active(print_config.opt_int("infill_extruder"));
bool solid_infill_extruder_active = feature_extruder_active(print_config.opt_int("solid_infill_extruder"));
bool support_material_extruder_active = feature_extruder_active(print_config.opt_int("support_material_extruder"));
bool support_material_interface_extruder_active = feature_extruder_active(print_config.opt_int("support_material_interface_extruder"));
// Current filament values
double filament_diameter = filament_config.opt_float("filament_diameter", 0);
double filament_crossection = M_PI * 0.25 * filament_diameter * filament_diameter;
// double extrusion_multiplier = filament_config.opt_float("extrusion_multiplier", 0);
// The following value will be annotated by this hint, so it does not take part in the calculation.
// double filament_max_volumetric_speed = filament_config.opt_float("filament_max_volumetric_speed", 0);
std::string out;
for (size_t idx_type = (first_layer_extrusion_width.value == 0) ? 1 : 0; idx_type < 3; ++ idx_type) {
// First test the maximum volumetric extrusion speed for non-bridging extrusions.
bool first_layer = idx_type == 0;
bool bridging = idx_type == 2;
const ConfigOptionFloatOrPercent *first_layer_extrusion_width_ptr = (first_layer && first_layer_extrusion_width.value > 0) ?
&first_layer_extrusion_width : nullptr;
const float lh = float(first_layer ? first_layer_height : layer_height);
const float bfr = bridging ? bridge_flow_ratio : 0.f;
double max_flow = 0.;
std::string max_flow_extrusion_type;
auto limit_by_first_layer_speed = [&first_layer_min_speed , &first_layer_speed, first_layer](double speed_normal, double speed_max) {
if (first_layer) {
const double base_speed = speed_normal;
// Apply the first layer limit.
if (first_layer_speed.value > 0)
speed_normal = std::min(first_layer_speed.get_abs_value(base_speed), speed_normal);
speed_normal = std::max(first_layer_min_speed.get_abs_value(base_speed), speed_normal);
}
return (speed_normal > 0.) ? speed_normal : speed_max;
};
auto limit_infill_by_first_layer_speed = [&first_layer_min_speed, &first_layer_infill_speed, first_layer](double speed_normal, double speed_max) {
if (first_layer) {
const double base_speed = speed_normal;
// Apply the first layer limit.
if(first_layer_infill_speed.value > 0)
speed_normal = std::min(first_layer_infill_speed.get_abs_value(base_speed), speed_normal);
speed_normal = std::max(first_layer_min_speed.get_abs_value(base_speed), speed_normal);
}
return (speed_normal > 0.) ? speed_normal : speed_max;
};
if (perimeter_extruder_active) {
Flow external_flow = Flow::new_from_config_width(frExternalPerimeter,
first_positive(first_layer_extrusion_width_ptr, external_perimeter_extrusion_width, extrusion_width),
nozzle_diameter, lh, bfr);
if (external_flow.height > external_flow.width)
external_flow.height = external_flow.width;
external_flow.spacing_ratio = print_config.opt<ConfigOptionPercent>("external_perimeter_overlap")->get_abs_value(1);
double external_perimeter_rate = external_flow.mm3_per_mm() *
(bridging ? bridge_speed :
limit_by_first_layer_speed(std::max(external_perimeter_speed, small_perimeter_speed), max_print_speed));
if (max_flow < external_perimeter_rate) {
max_flow = external_perimeter_rate;
max_flow_extrusion_type = _utf8(L("external perimeters"));
}
Flow perimeter_flow = Flow::new_from_config_width(frPerimeter,
first_positive(first_layer_extrusion_width_ptr, perimeter_extrusion_width, extrusion_width),
nozzle_diameter, lh, bfr);
if (perimeter_flow.height > perimeter_flow.width)
perimeter_flow.height = perimeter_flow.width;
perimeter_flow.spacing_ratio = print_config.opt<ConfigOptionPercent>("perimeter_overlap")->get_abs_value(1);
double perimeter_rate = perimeter_flow.mm3_per_mm() *
(bridging ? bridge_speed :
limit_by_first_layer_speed(std::max(perimeter_speed, small_perimeter_speed), max_print_speed));
if (max_flow < perimeter_rate) {
max_flow = perimeter_rate;
max_flow_extrusion_type = _utf8(L("perimeters"));
}
}
if (! bridging && infill_extruder_active) {
Flow infill_flow = Flow::new_from_config_width(frInfill,
first_positive(first_layer_extrusion_width_ptr, infill_extrusion_width, extrusion_width),
nozzle_diameter, lh, bfr);
if (infill_flow.height > infill_flow.width)
infill_flow.height = infill_flow.width;
double infill_rate = infill_flow.mm3_per_mm() * limit_infill_by_first_layer_speed(infill_speed, max_print_speed);
if (max_flow < infill_rate) {
max_flow = infill_rate;
max_flow_extrusion_type = _utf8(L("infill"));
}
}
if (solid_infill_extruder_active) {
Flow solid_infill_flow = Flow::new_from_config_width(frInfill,
first_positive(first_layer_extrusion_width_ptr, solid_infill_extrusion_width, extrusion_width),
nozzle_diameter, lh, 0);
if (solid_infill_flow.height > solid_infill_flow.width)
solid_infill_flow.height = solid_infill_flow.width;
double solid_infill_rate = solid_infill_flow.mm3_per_mm() *
(bridging ? bridge_speed : limit_infill_by_first_layer_speed(solid_infill_speed, max_print_speed));
if (max_flow < solid_infill_rate) {
max_flow = solid_infill_rate;
max_flow_extrusion_type = _utf8(L("solid infill"));
}
if (! bridging) {
Flow top_solid_infill_flow = Flow::new_from_config_width(frInfill,
first_positive(first_layer_extrusion_width_ptr, top_infill_extrusion_width, extrusion_width),
nozzle_diameter, lh, bfr);
if (top_solid_infill_flow.height > top_solid_infill_flow.width)
top_solid_infill_flow.height = top_solid_infill_flow.width;
double top_solid_infill_rate = top_solid_infill_flow.mm3_per_mm() * limit_infill_by_first_layer_speed(top_solid_infill_speed, max_print_speed);
if (max_flow < top_solid_infill_rate) {
max_flow = top_solid_infill_rate;
max_flow_extrusion_type = _utf8(L("top solid infill"));
}
}
}
if (support_material_extruder_active) {
Flow support_material_flow = Flow::new_from_config_width(frSupportMaterial,
first_positive(first_layer_extrusion_width_ptr, support_material_extrusion_width, extrusion_width),
nozzle_diameter, lh, bfr);
if (support_material_flow.height > support_material_flow.width)
support_material_flow.height = support_material_flow.width;
double support_material_rate = support_material_flow.mm3_per_mm() *
(bridging ? bridge_speed : limit_by_first_layer_speed(support_material_speed, max_print_speed));
if (max_flow < support_material_rate) {
max_flow = support_material_rate;
max_flow_extrusion_type = _utf8(L("support"));
}
}
if (support_material_interface_extruder_active) {
Flow support_material_interface_flow = Flow::new_from_config_width(frSupportMaterialInterface,
first_positive(first_layer_extrusion_width_ptr, support_material_extrusion_width, extrusion_width),
nozzle_diameter, lh, bfr);
if (support_material_interface_flow.height > support_material_interface_flow.width)
support_material_interface_flow.height = support_material_interface_flow.width;
double support_material_interface_rate = support_material_interface_flow.mm3_per_mm() *
(bridging ? bridge_speed : limit_by_first_layer_speed(support_material_interface_speed, max_print_speed));
if (max_flow < support_material_interface_rate) {
max_flow = support_material_interface_rate;
max_flow_extrusion_type = _utf8(L("support interface"));
}
}
//FIXME handle gap_fill_speed
if (! out.empty())
out += "\n";
bool limited_by_max_volumetric_speed = max_volumetric_speed > 0 && max_volumetric_speed < max_flow;
std::string pattern = (boost::format(_u8L("%s flow rate is maximized "))
% (first_layer ? _u8L("First layer volumetric") : (bridging ? _u8L("Bridging volumetric") : _u8L("Volumetric")))).str();
std::string pattern2;
if (limited_by_max_volumetric_speed)
pattern2 = (boost::format(_u8L("by the print profile maximum volumetric rate of %3.2f mm³/s at filament speed %3.2f mm/s."))
% max_volumetric_speed % (max_volumetric_speed / filament_crossection)).str();
else
pattern2 = (boost::format(_u8L("when printing %s with a volumetric rate of %3.2f mm³/s at filament speed %3.2f mm/s."))
% max_flow_extrusion_type % max_flow % (max_flow / filament_crossection)).str();
out += pattern + " " + pattern2;
}
return out;
}
std::string PresetHints::recommended_thin_wall_thickness(const PresetBundle& preset_bundle)
{
const DynamicPrintConfig& print_config = preset_bundle.prints.get_edited_preset().config;
const DynamicPrintConfig& printer_config = preset_bundle.printers.get_edited_preset().config;
float layer_height = float(print_config.opt_float("layer_height"));
int num_perimeters = print_config.opt_int("perimeters");
bool thin_walls = print_config.opt_bool("thin_walls");
float nozzle_diameter = float(printer_config.opt_float("nozzle_diameter", 0));
std::string out;
if (layer_height <= 0.f) {
out += _utf8(L("Recommended object min thin wall thickness: Not available due to invalid layer height."));
return out;
}
Flow external_perimeter_flow = Flow::new_from_config_width(
frExternalPerimeter,
*print_config.opt<ConfigOptionFloatOrPercent>("external_perimeter_extrusion_width"),
nozzle_diameter, layer_height, false);
Flow perimeter_flow = Flow::new_from_config_width(
frPerimeter,
*print_config.opt<ConfigOptionFloatOrPercent>("perimeter_extrusion_width"),
nozzle_diameter, layer_height, false);
// failsafe for too big height
if (external_perimeter_flow.height > external_perimeter_flow.width)
external_perimeter_flow.height = external_perimeter_flow.width;
if (perimeter_flow.height > perimeter_flow.width)
perimeter_flow.height = perimeter_flow.width;
if (external_perimeter_flow.height != perimeter_flow.height) {
perimeter_flow.height = std::min(perimeter_flow.height, external_perimeter_flow.height);
external_perimeter_flow.height = perimeter_flow.height;
}
// set spacing
external_perimeter_flow.spacing_ratio = print_config.opt<ConfigOptionPercent>("external_perimeter_overlap")->get_abs_value(1);
perimeter_flow.spacing_ratio = print_config.opt<ConfigOptionPercent>("perimeter_overlap")->get_abs_value(1);
if (num_perimeters > 0) {
int num_lines = std::min(num_perimeters, 6);
out += (boost::format(_utf8(L("Recommended object min (thick) wall thickness for layer height %.2f and"))) % layer_height).str() + " ";
out += (boost::format(_utf8(L("%d perimeter: %.2f mm"))) % 1 % (external_perimeter_flow.width + external_perimeter_flow.spacing())).str() + " ";
// Start with the width of two closely spaced
try {
double width = 2 * (external_perimeter_flow.width + external_perimeter_flow.spacing(perimeter_flow));
for (int i = 2; i <= num_lines; thin_walls ? ++i : i++) {
out += ", " + (boost::format(_utf8(L("%d perimeter: %.2f mm"))) % i % width).str() + " ";
width += perimeter_flow.spacing() * 2;
}
}
catch (const FlowErrorNegativeSpacing&) {
out = _utf8(L("Recommended object thin wall thickness: Not available due to excessively small extrusion width."));
}
}
return out;
}
std::string PresetHints::recommended_extrusion_width(const PresetBundle& preset_bundle)
{
const DynamicPrintConfig& print_config = preset_bundle.prints.get_edited_preset().config;
const DynamicPrintConfig& printer_config = preset_bundle.printers.get_edited_preset().config;
int nb_nozzles = printer_config.option<ConfigOptionFloats>("nozzle_diameter")->values.size();
double nozzle_diameter = 0;
for(int i=0; i< nb_nozzles; i++)
nozzle_diameter = std::max(nozzle_diameter, printer_config.opt_float("nozzle_diameter", i));
double layer_height = print_config.opt_float("layer_height");
double first_layer_height = print_config.option<ConfigOptionFloatOrPercent>("first_layer_height")->get_abs_value(nozzle_diameter);
std::string out;
Flow first_layer_flow = Flow::new_from_spacing(nozzle_diameter, nozzle_diameter, first_layer_height, false);
Flow layer_flow = Flow::new_from_spacing(nozzle_diameter, nozzle_diameter, layer_height, false);
out += _utf8(L("Ideally, the spacing between two extrusions shouldn't be lower than the nozzle diameter. Below are the extrusion widths for a spacing equal to the nozzle diameter.\n"));
out += (boost::format(_utf8(L("Recommended min extrusion width for the first layer (with a first layer height of %1%) is %2$.3f mm (or %3%%%)\n")))
% first_layer_height % first_layer_flow.width % int(first_layer_flow.width * 100. / nozzle_diameter)).str();
out += (boost::format(_utf8(L("Recommended min extrusion width for other layers (with a layer height of %1%) is %2$.3f mm (or %3%%%).\n")))
% layer_height % layer_flow.width % int(layer_flow.width * 100. / nozzle_diameter)).str();
return out;
}
// Produce a textual explanation of the combined effects of the top/bottom_solid_layers
// versus top/bottom_min_shell_thickness. Which of the two values wins depends
// on the active layer height.
std::string PresetHints::top_bottom_shell_thickness_explanation(const PresetBundle &preset_bundle)
{
const DynamicPrintConfig &print_config = preset_bundle.prints .get_edited_preset().config;
const DynamicPrintConfig &printer_config = preset_bundle.printers .get_edited_preset().config;
std::string out;
int top_solid_layers = print_config.opt_int("top_solid_layers");
int bottom_solid_layers = print_config.opt_int("bottom_solid_layers");
bool has_top_layers = top_solid_layers > 0;
bool has_bottom_layers = bottom_solid_layers > 0;
double top_solid_min_thickness = print_config.opt_float("top_solid_min_thickness");
double bottom_solid_min_thickness = print_config.opt_float("bottom_solid_min_thickness");
double layer_height = print_config.opt_float("layer_height");
bool variable_layer_height = printer_config.opt_bool("variable_layer_height");
//FIXME the following line takes into account the 1st extruder only.
double min_layer_height = variable_layer_height ? Slicing::min_layer_height_from_nozzle(printer_config, 1) : layer_height;
if (layer_height <= 0.f) {
out += _utf8(L("Top / bottom shell thickness hint: Not available due to invalid layer height."));
return out;
}
if (has_top_layers) {
double top_shell_thickness = top_solid_layers * layer_height;
if (top_shell_thickness < top_solid_min_thickness) {
// top_solid_min_shell_thickness triggers even in case of normal layer height. Round the top_shell_thickness up
// to an integer multiply of layer_height.
double n = ceil(top_solid_min_thickness / layer_height);
top_shell_thickness = n * layer_height;
}
double top_shell_thickness_minimum = std::max(top_solid_min_thickness, top_solid_layers * min_layer_height);
out += (boost::format(_utf8(L("Top shell is %1% mm thick for layer height %2% mm."))) % top_shell_thickness % layer_height).str();
if (variable_layer_height && top_shell_thickness_minimum < top_shell_thickness) {
out += " ";
out += (boost::format(_utf8(L("Minimum top shell thickness is %1% mm."))) % top_shell_thickness_minimum).str();
}
} else
out += _utf8(L("Top is open."));
out += "\n";
if (has_bottom_layers) {
double bottom_shell_thickness = bottom_solid_layers * layer_height;
if (bottom_shell_thickness < bottom_solid_min_thickness) {
// bottom_solid_min_shell_thickness triggers even in case of normal layer height. Round the bottom_shell_thickness up
// to an integer multiply of layer_height.
double n = ceil(bottom_solid_min_thickness / layer_height);
bottom_shell_thickness = n * layer_height;
}
double bottom_shell_thickness_minimum = std::max(bottom_solid_min_thickness, bottom_solid_layers * min_layer_height);
out += (boost::format(_utf8(L("Bottom shell is %1% mm thick for layer height %2% mm."))) % bottom_shell_thickness % layer_height).str();
if (variable_layer_height && bottom_shell_thickness_minimum < bottom_shell_thickness) {
out += " ";
out += (boost::format(_utf8(L("Minimum bottom shell thickness is %1% mm."))) % bottom_shell_thickness_minimum).str();
}
} else
out += _utf8(L("Bottom is open."));
return out;
}
}; // namespace Slic3r
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