3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/vb_filament_overrides' into ys_overrides

Browse Source
This commit is contained in:
YuSanka 2019-07-28 22:01:48 +02:00
commit d0d01ef7ab
12 changed files with 220 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
src/libslic3r/Config.hpp
View File

@ -129,6 +129,19 @@ public:
virtual bool nullable() const { return false; }
// A scalar is nil, or all values of a vector are nil.
virtual bool is_nil() const { return false; }
// Is this option overridden by another option?
// An option overrides another option if it is not nil and not equal.
virtual bool overriden_by(const ConfigOption *rhs) const {
assert(! this->nullable() && ! rhs->nullable());
return *this != *rhs;
}
// Apply an override option, possibly a nullable one.
virtual bool apply_override(const ConfigOption *rhs) {
if (*this == *rhs)
return false;
*this = *rhs;
return true;
}
};
typedef ConfigOption* ConfigOptionPtr;
@ -309,6 +322,62 @@ public:
bool operator==(const std::vector<T> &rhs) const { return this->values == rhs; }
bool operator!=(const std::vector<T> &rhs) const { return this->values != rhs; }
// Is this option overridden by another option?
// An option overrides another option if it is not nil and not equal.
bool overriden_by(const ConfigOption *rhs) const override {
if (this->nullable())
throw std::runtime_error("Cannot override a nullable ConfigOption.");
if (rhs->type() != this->type())
throw std::runtime_error("ConfigOptionVector.overriden_by() applied to different types.");
auto rhs_vec = static_cast<const ConfigOptionVector<T>*>(rhs);
if (! rhs->nullable())
// Overridding a non-nullable object with another non-nullable object.
return this->values != rhs_vec->values;
size_t i = 0;
size_t cnt = std::min(this->size(), rhs_vec->size());
for (; i < cnt; ++ i)
if (! rhs_vec->is_nil(i) && this->values[i] != rhs_vec->values[i])
return true;
for (; i < rhs_vec->size(); ++ i)
if (! rhs_vec->is_nil(i))
return true;
return false;
}
// Apply an override option, possibly a nullable one.
bool apply_override(const ConfigOption *rhs) override {
if (this->nullable())
throw std::runtime_error("Cannot override a nullable ConfigOption.");
if (rhs->type() != this->type())
throw std::runtime_error("ConfigOptionVector.apply_override() applied to different types.");
auto rhs_vec = static_cast<const ConfigOptionVector<T>*>(rhs);
if (! rhs->nullable()) {
// Overridding a non-nullable object with another non-nullable object.
if (this->values != rhs_vec->values) {
this->values = rhs_vec->values;
return true;
}
return false;
}
size_t i = 0;
size_t cnt = std::min(this->size(), rhs_vec->size());
bool modified = false;
for (; i < cnt; ++ i)
if (! rhs_vec->is_nil(i) && this->values[i] != rhs_vec->values[i]) {
this->values[i] = rhs_vec->values[i];
modified = true;
}
for (; i < rhs_vec->size(); ++ i)
if (! rhs_vec->is_nil(i)) {
if (this->values.empty())
this->values.resize(i + 1);
else
this->values.resize(i + 1, this->values.front());
this->values[i] = rhs_vec->values[i];
modified = true;
}
return false;
}
private:
friend class cereal::access;
template<class Archive> void serialize(Archive & ar) { ar(this->values); }
@ -365,7 +434,7 @@ public:
static ConfigOptionType static_type() { return coFloats; }
ConfigOptionType type() const override { return static_type(); }
ConfigOption* clone() const override { return new ConfigOptionFloatsTempl(*this); }
bool operator==(const ConfigOptionFloatsTempl &rhs) const { vectors_equal(this->values, rhs.values); }
bool operator==(const ConfigOptionFloatsTempl &rhs) const { return vectors_equal(this->values, rhs.values); }
bool operator==(const ConfigOption &rhs) const override {
if (rhs.type() != this->type())
throw std::runtime_error("ConfigOptionFloatsTempl: Comparing incompatible types");
@ -1596,7 +1665,7 @@ public:
// Allow DynamicConfig to be instantiated on ints own without a definition.
// If the definition is not defined, the method requiring the definition will throw NoDefinitionException.
const ConfigDef* def() const override { return nullptr; };
const ConfigDef* def() const override { return nullptr; }
template<class T> T* opt(const t_config_option_key &opt_key, bool create = false)
{ return dynamic_cast<T*>(this->option(opt_key, create)); }
template<class T> const T* opt(const t_config_option_key &opt_key) const

23
src/libslic3r/GCode.cpp
View File

@ -1829,25 +1829,12 @@ void GCode::apply_print_config(const PrintConfig &print_config)
m_config.apply(print_config);
}
void GCode::append_full_config(const Print& print, std::string& str)
void GCode::append_full_config(const Print &print, std::string &str)
{
const StaticPrintConfig *configs[] = { static_cast<const GCodeConfig*>(&print.config()), &print.default_object_config(), &print.default_region_config() };
for (size_t i = 0; i < sizeof(configs) / sizeof(configs[0]); ++i) {
const StaticPrintConfig *cfg = configs[i];
for (const std::string &key : cfg->keys())
if (key != "compatible_printers")
str += "; " + key + " = " + cfg->opt_serialize(key) + "\n";
}
const DynamicConfig &full_config = print.placeholder_parser().config();
for (const char *key : {
"print_settings_id", "filament_settings_id", "sla_print_settings_id", "sla_material_settings_id", "printer_settings_id",
"printer_model", "printer_variant",
"default_print_profile", "default_filament_profile", "default_sla_print_profile", "default_sla_material_profile",
"compatible_prints_condition_cummulative", "compatible_printers_condition_cummulative", "inherits_cummulative" }) {
const ConfigOption *opt = full_config.option(key);
if (opt != nullptr)
str += std::string("; ") + key + " = " + opt->serialize() + "\n";
}
const DynamicPrintConfig &cfg = print.full_print_config();
for (const std::string &key : cfg.keys())
if (key != "compatible_prints" && key != "compatible_printers" && ! cfg.option(key)->is_nil())
str += "; " + key + " = " + cfg.opt_serialize(key) + "\n";
}
void GCode::set_extruders(const std::vector<unsigned int> &extruder_ids)

18
src/libslic3r/PlaceholderParser.cpp
View File

@ -94,14 +94,6 @@ void PlaceholderParser::update_timestamp(DynamicConfig &config)
config.set_key_value("second", new ConfigOptionInt(timeinfo->tm_sec));
}
// Ignore this key by the placeholder parser.
static inline bool placeholder_parser_ignore(const ConfigDef *def, const std::string &opt_key)
{
const ConfigOptionDef *opt_def = def->get(opt_key);
assert(opt_def != nullptr);
return (opt_def->multiline && boost::ends_with(opt_key, "_gcode")) || opt_key == "post_process";
}
static inline bool opts_equal(const DynamicConfig &config_old, const DynamicConfig &config_new, const std::string &opt_key)
{
const ConfigOption *opt_old = config_old.option(opt_key);
@ -119,7 +111,7 @@ std::vector<std::string> PlaceholderParser::config_diff(const DynamicPrintConfig
const ConfigDef *def = rhs.def();
std::vector<std::string> diff_keys;
for (const t_config_option_key &opt_key : rhs.keys())
if (! placeholder_parser_ignore(def, opt_key) && ! opts_equal(m_config, rhs, opt_key))
if (! opts_equal(m_config, rhs, opt_key))
diff_keys.emplace_back(opt_key);
return diff_keys;
}
@ -135,8 +127,6 @@ bool PlaceholderParser::apply_config(const DynamicPrintConfig &rhs)
const ConfigDef *def = rhs.def();
bool modified = false;
for (const t_config_option_key &opt_key : rhs.keys()) {
if (placeholder_parser_ignore(def, opt_key))
continue;
if (! opts_equal(m_config, rhs, opt_key)) {
// Store a copy of the config option.
// Convert FloatOrPercent values to floats first.
@ -155,7 +145,6 @@ bool PlaceholderParser::apply_config(const DynamicPrintConfig &rhs)
void PlaceholderParser::apply_only(const DynamicPrintConfig &rhs, const std::vector<std::string> &keys)
{
for (const t_config_option_key &opt_key : keys) {
assert(! placeholder_parser_ignore(rhs.def(), opt_key));
// Store a copy of the config option.
// Convert FloatOrPercent values to floats first.
//FIXME there are some ratio_over chains, which end with empty ratio_with.
@ -167,6 +156,11 @@ void PlaceholderParser::apply_only(const DynamicPrintConfig &rhs, const std::vec
}
}
void PlaceholderParser::apply_config(DynamicPrintConfig &&rhs)
{
m_config += std::move(rhs);
}
void PlaceholderParser::apply_env_variables()
{
for (char** env = environ; *env; ++ env) {

1
src/libslic3r/PlaceholderParser.hpp
View File

@ -19,6 +19,7 @@ public:
std::vector<std::string> config_diff(const DynamicPrintConfig &rhs);
// Return true if modified.
bool apply_config(const DynamicPrintConfig &config);
void apply_config(DynamicPrintConfig &&config);
// To be called on the values returned by PlaceholderParser::config_diff().
// The keys should already be valid.
void apply_only(const DynamicPrintConfig &config, const std::vector<std::string> &keys);

110
src/libslic3r/Print.cpp
View File

@ -485,23 +485,80 @@ bool layer_height_ranges_equal(const t_layer_config_ranges &lr1, const t_layer_c
return true;
}
Print::ApplyStatus Print::apply(const Model &model, const DynamicPrintConfig &config_in)
// Collect diffs of configuration values at various containers,
// resolve the filament rectract overrides of extruder retract values.
void Print::config_diffs(
const DynamicPrintConfig &new_full_config,
t_config_option_keys &print_diff, t_config_option_keys &object_diff, t_config_option_keys &region_diff,
t_config_option_keys &full_config_diff,
DynamicPrintConfig &placeholder_parser_overrides,
DynamicPrintConfig &filament_overrides) const
{
// Collect changes to print config, account for overrides of extruder retract values by filament presets.
{
const std::vector<std::string> &extruder_retract_keys = print_config_def.extruder_retract_keys();
const std::string filament_prefix = "filament_";
for (const t_config_option_key &opt_key : m_config.keys()) {
const ConfigOption *opt_old = m_config.option(opt_key);
assert(opt_old != nullptr);
const ConfigOption *opt_new = new_full_config.option(opt_key);
// assert(opt_new != nullptr);
if (opt_new == nullptr)
//FIXME This may happen when executing some test cases.
continue;
const ConfigOption *opt_new_filament = std::binary_search(extruder_retract_keys.begin(), extruder_retract_keys.end(), opt_key) ? new_full_config.option(filament_prefix + opt_key) : nullptr;
if (opt_new_filament != nullptr && ! opt_new_filament->is_nil()) {
// An extruder retract override is available at some of the filament presets.
if (*opt_old != *opt_new || opt_new->overriden_by(opt_new_filament)) {
auto opt_copy = opt_new->clone();
opt_copy->apply_override(opt_new_filament);
if (*opt_old == *opt_copy)
delete opt_copy;
else {
filament_overrides.set_key_value(opt_key, opt_copy);
print_diff.emplace_back(opt_key);
}
}
} else if (*opt_new != *opt_old)
print_diff.emplace_back(opt_key);
}
}
// Collect changes to object and region configs.
object_diff = m_default_object_config.diff(new_full_config);
region_diff = m_default_region_config.diff(new_full_config);
// Prepare for storing of the full print config into new_full_config to be exported into the G-code and to be used by the PlaceholderParser.
// As the PlaceholderParser does not interpret the FloatOrPercent values itself, these values are stored into the PlaceholderParser converted to floats.
for (const t_config_option_key &opt_key : new_full_config.keys()) {
const ConfigOption *opt_old = m_full_print_config.option(opt_key);
const ConfigOption *opt_new = new_full_config.option(opt_key);
if (opt_old == nullptr || *opt_new != *opt_old)
full_config_diff.emplace_back(opt_key);
if (opt_new->type() == coFloatOrPercent) {
// The m_placeholder_parser is never modified by the background processing, GCode.cpp/hpp makes a copy.
const ConfigOption *opt_old_pp = this->placeholder_parser().config().option(opt_key);
double new_value = new_full_config.get_abs_value(opt_key);
if (opt_old_pp == nullptr || static_cast<const ConfigOptionFloat*>(opt_old_pp)->value != new_value)
placeholder_parser_overrides.set_key_value(opt_key, new ConfigOptionFloat(new_value));
}
}
}
Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_config)
{
#ifdef _DEBUG
check_model_ids_validity(model);
#endif /* _DEBUG */
// Make a copy of the config, normalize it.
DynamicPrintConfig config(config_in);
config.option("print_settings_id", true);
config.option("filament_settings_id", true);
config.option("printer_settings_id", true);
config.normalize();
// Collect changes to print config.
t_config_option_keys print_diff = m_config.diff(config);
t_config_option_keys object_diff = m_default_object_config.diff(config);
t_config_option_keys region_diff = m_default_region_config.diff(config);
t_config_option_keys placeholder_parser_diff = this->placeholder_parser().config_diff(config);
// Normalize the config.
new_full_config.option("print_settings_id", true);
new_full_config.option("filament_settings_id", true);
new_full_config.option("printer_settings_id", true);
new_full_config.normalize();
// Find modified keys of the various configs. Resolve overrides extruder retract values by filament profiles.
t_config_option_keys print_diff, object_diff, region_diff, full_config_diff;
DynamicPrintConfig placeholder_parser_overrides, filament_overrides;
this->config_diffs(new_full_config, print_diff, object_diff, region_diff, full_config_diff, placeholder_parser_overrides, filament_overrides);
// Do not use the ApplyStatus as we will use the max function when updating apply_status.
unsigned int apply_status = APPLY_STATUS_UNCHANGED;
@ -516,24 +573,25 @@ Print::ApplyStatus Print::apply(const Model &model, const DynamicPrintConfig &co
// The following call may stop the background processing.
if (! print_diff.empty())
update_apply_status(this->invalidate_state_by_config_options(print_diff));
// Apply variables to placeholder parser. The placeholder parser is used by G-code export,
// which should be stopped if print_diff is not empty.
if (! placeholder_parser_diff.empty()) {
if (! full_config_diff.empty() || ! placeholder_parser_overrides.empty()) {
update_apply_status(this->invalidate_step(psGCodeExport));
PlaceholderParser &pp = this->placeholder_parser();
pp.apply_only(config, placeholder_parser_diff);
m_placeholder_parser.apply_config(std::move(placeholder_parser_overrides));
// Set the profile aliases for the PrintBase::output_filename()
pp.set("print_preset", config.option("print_settings_id")->clone());
pp.set("filament_preset", config.option("filament_settings_id")->clone());
pp.set("printer_preset", config.option("printer_settings_id")->clone());
}
m_placeholder_parser.set("print_preset", new_full_config.option("print_settings_id")->clone());
m_placeholder_parser.set("filament_preset", new_full_config.option("filament_settings_id")->clone());
m_placeholder_parser.set("printer_preset", new_full_config.option("printer_settings_id")->clone());
// It is also safe to change m_config now after this->invalidate_state_by_config_options() call.
m_config.apply_only(config, print_diff, true);
m_config.apply_only(new_full_config, print_diff, true);
m_config.apply(filament_overrides);
// Handle changes to object config defaults
m_default_object_config.apply_only(config, object_diff, true);
m_default_object_config.apply_only(new_full_config, object_diff, true);
// Handle changes to regions config defaults
m_default_region_config.apply_only(config, region_diff, true);
m_default_region_config.apply_only(new_full_config, region_diff, true);
m_full_print_config = std::move(new_full_config);
}
class LayerRanges
{
@ -1705,9 +1763,9 @@ void Print::_make_wipe_tower()
(float)m_config.filament_cooling_initial_speed.get_at(i),
(float)m_config.filament_cooling_final_speed.get_at(i),
m_config.filament_ramming_parameters.get_at(i),
m_config.filament_max_volumetric_speed.get_at(i),
m_config.nozzle_diameter.get_at(i),
m_config.filament_diameter.get_at(i));
(float)m_config.filament_max_volumetric_speed.get_at(i),
(float)m_config.nozzle_diameter.get_at(i),
(float)m_config.filament_diameter.get_at(i));
m_wipe_tower_data.priming = Slic3r::make_unique<std::vector<WipeTower::ToolChangeResult>>(
wipe_tower.prime((float)this->skirt_first_layer_height(), m_wipe_tower_data.tool_ordering.all_extruders(), false));

9
src/libslic3r/Print.hpp
View File

@ -296,7 +296,7 @@ public:
void clear() override;
bool empty() const override { return m_objects.empty(); }
ApplyStatus apply(const Model &model, const DynamicPrintConfig &config) override;
ApplyStatus apply(const Model &model, DynamicPrintConfig config) override;
void process() override;
// Exports G-code into a file name based on the path_template, returns the file path of the generated G-code file.
@ -368,6 +368,13 @@ protected:
bool invalidate_step(PrintStep step);
private:
void config_diffs(
const DynamicPrintConfig &new_full_config,
t_config_option_keys &print_diff, t_config_option_keys &object_diff, t_config_option_keys &region_diff,
t_config_option_keys &full_config_diff,
DynamicPrintConfig &placeholder_parser_overrides,
DynamicPrintConfig &filament_overrides) const;
bool invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys);
void _make_skirt();

10
src/libslic3r/PrintBase.hpp
View File

@ -217,7 +217,7 @@ protected:
class PrintBase
{
public:
PrintBase() { this->restart(); }
PrintBase() : m_placeholder_parser(&m_full_print_config) { this->restart(); }
inline virtual ~PrintBase() {}
virtual PrinterTechnology technology() const noexcept = 0;
@ -240,7 +240,7 @@ public:
// Some data was changed, which in turn invalidated already calculated steps.
APPLY_STATUS_INVALIDATED,
};
virtual ApplyStatus apply(const Model &model, const DynamicPrintConfig &config) = 0;
virtual ApplyStatus apply(const Model &model, DynamicPrintConfig config) = 0;
const Model& model() const { return m_model; }
struct TaskParams {
@ -316,7 +316,7 @@ public:
virtual bool finished() const = 0;
const PlaceholderParser& placeholder_parser() const { return m_placeholder_parser; }
PlaceholderParser& placeholder_parser() { return m_placeholder_parser; }
const DynamicPrintConfig& full_print_config() const { return m_full_print_config; }
virtual std::string output_filename(const std::string &filename_base = std::string()) const = 0;
// If the filename_base is set, it is used as the input for the template processing. In that case the path is expected to be the directory (may be empty).
@ -341,6 +341,8 @@ protected:
void update_object_placeholders(DynamicConfig &config, const std::string &default_ext) const;
Model m_model;
DynamicPrintConfig m_full_print_config;
PlaceholderParser m_placeholder_parser;
private:
tbb::atomic<CancelStatus> m_cancel_status;
@ -354,8 +356,6 @@ private:
// The mutex will be used to guard the worker thread against entering a stage
// while the data influencing the stage is modified.
mutable tbb::mutex m_state_mutex;
PlaceholderParser m_placeholder_parser;
};
template<typename PrintStepEnum, const size_t COUNT>

19
src/libslic3r/PrintConfig.cpp
View File

@ -29,6 +29,7 @@ PrintConfigDef::PrintConfigDef()
this->init_common_params();
assign_printer_technology_to_unknown(this->options, ptAny);
this->init_fff_params();
this->init_extruder_retract_keys();
assign_printer_technology_to_unknown(this->options, ptFFF);
this->init_sla_params();
assign_printer_technology_to_unknown(this->options, ptSLA);
@ -2254,6 +2255,24 @@ void PrintConfigDef::init_fff_params()
}
}
void PrintConfigDef::init_extruder_retract_keys()
{
m_extruder_retract_keys = {
"deretract_speed",
"retract_before_travel",
"retract_before_wipe",
"retract_layer_change",
"retract_length",
"retract_lift",
"retract_lift_above",
"retract_lift_below",
"retract_restart_extra",
"retract_speed",
"wipe"
};
assert(std::is_sorted(m_extruder_retract_keys.begin(), m_extruder_retract_keys.end()));
}
void PrintConfigDef::init_sla_params()
{
ConfigOptionDef* def;

8
src/libslic3r/PrintConfig.hpp
View File

@ -185,10 +185,18 @@ public:
static void handle_legacy(t_config_option_key &opt_key, std::string &value);
// Options defining the extruder retract properties. These keys are sorted lexicographically.
// The extruder retract keys could be overidden by the same values defined at the Filament level
// (then the key is further prefixed with the "filament_" prefix).
const std::vector<std::string>& extruder_retract_keys() const { return m_extruder_retract_keys; }
private:
void init_common_params();
void init_fff_params();
void init_extruder_retract_keys();
void init_sla_params();
std::vector<std::string> m_extruder_retract_keys;
};
// The one and only global definition of SLic3r configuration options.

17
src/libslic3r/SLAPrint.cpp
View File

@ -145,14 +145,13 @@ static std::vector<SLAPrintObject::Instance> sla_instances(const ModelObject &mo
return instances;
}
SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConfig &config_in)
SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, DynamicPrintConfig config)
{
#ifdef _DEBUG
check_model_ids_validity(model);
#endif /* _DEBUG */
// Make a copy of the config, normalize it.
DynamicPrintConfig config(config_in);
// Normalize the config.
config.option("sla_print_settings_id", true);
config.option("sla_material_settings_id", true);
config.option("printer_settings_id", true);
@ -162,7 +161,7 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConf
t_config_option_keys printer_diff = m_printer_config.diff(config);
t_config_option_keys material_diff = m_material_config.diff(config);
t_config_option_keys object_diff = m_default_object_config.diff(config);
t_config_option_keys placeholder_parser_diff = this->placeholder_parser().config_diff(config);
t_config_option_keys placeholder_parser_diff = m_placeholder_parser.config_diff(config);
// Do not use the ApplyStatus as we will use the max function when updating apply_status.
unsigned int apply_status = APPLY_STATUS_UNCHANGED;
@ -187,12 +186,11 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConf
// only to generate the output file name.
if (! placeholder_parser_diff.empty()) {
// update_apply_status(this->invalidate_step(slapsRasterize));
PlaceholderParser &pp = this->placeholder_parser();
pp.apply_config(config);
m_placeholder_parser.apply_config(config);
// Set the profile aliases for the PrintBase::output_filename()
pp.set("print_preset", config.option("sla_print_settings_id")->clone());
pp.set("material_preset", config.option("sla_material_settings_id")->clone());
pp.set("printer_preset", config.option("printer_settings_id")->clone());
m_placeholder_parser.set("print_preset", config.option("sla_print_settings_id")->clone());
m_placeholder_parser.set("material_preset", config.option("sla_material_settings_id")->clone());
m_placeholder_parser.set("printer_preset", config.option("printer_settings_id")->clone());
}
// It is also safe to change m_config now after this->invalidate_state_by_config_options() call.
@ -459,6 +457,7 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConf
check_model_ids_equal(m_model, model);
#endif /* _DEBUG */
m_full_print_config = std::move(config);
return static_cast<ApplyStatus>(apply_status);
}

2
src/libslic3r/SLAPrint.hpp
View File

@ -349,7 +349,7 @@ public:
void clear() override;
bool empty() const override { return m_objects.empty(); }
ApplyStatus apply(const Model &model, const DynamicPrintConfig &config) override;
ApplyStatus apply(const Model &model, DynamicPrintConfig config) override;
void set_task(const TaskParams &params) override;
void process() override;
void finalize() override;

2
xs/xsp/Print.xsp
View File

@ -75,7 +75,7 @@ _constant()
Ref<StaticPrintConfig> config()
%code%{ RETVAL = const_cast<GCodeConfig*>(static_cast<const GCodeConfig*>(&THIS->config())); %};
Ref<PlaceholderParser> placeholder_parser()
%code%{ RETVAL = &THIS->placeholder_parser(); %};
%code%{ RETVAL = const_cast<PlaceholderParser*>(&THIS->placeholder_parser()); %};
Ref<ExtrusionEntityCollection> skirt()
%code%{ RETVAL = const_cast<ExtrusionEntityCollection*>(&THIS->skirt()); %};
Ref<ExtrusionEntityCollection> brim()