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https://github.com/SoftFever/OrcaSlicer.git
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766abf92fa
Useless for BambuPrinter. But used by third party printer Signed-off-by: salt.wei <salt.wei@bambulab.com> Change-Id: Ib6a63e78816b25696c25952508f76c3d9221e363
97 lines
4 KiB
C++
97 lines
4 KiB
C++
#include "SpiralVase.hpp"
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#include "GCode.hpp"
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#include <sstream>
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namespace Slic3r {
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std::string SpiralVase::process_layer(const std::string &gcode)
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{
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/* This post-processor relies on several assumptions:
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- all layers are processed through it, including those that are not supposed
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to be transformed, in order to update the reader with the XY positions
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- each call to this method includes a full layer, with a single Z move
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at the beginning
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- each layer is composed by suitable geometry (i.e. a single complete loop)
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- loops were not clipped before calling this method */
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// If we're not going to modify G-code, just feed it to the reader
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// in order to update positions.
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if (! m_enabled) {
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m_reader.parse_buffer(gcode);
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return gcode;
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}
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// Get total XY length for this layer by summing all extrusion moves.
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float total_layer_length = 0;
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float layer_height = 0;
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float z = 0.f;
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{
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//FIXME Performance warning: This copies the GCodeConfig of the reader.
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GCodeReader r = m_reader; // clone
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bool set_z = false;
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r.parse_buffer(gcode, [&total_layer_length, &layer_height, &z, &set_z]
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(GCodeReader &reader, const GCodeReader::GCodeLine &line) {
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if (line.cmd_is("G1")) {
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if (line.extruding(reader)) {
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total_layer_length += line.dist_XY(reader);
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} else if (line.has(Z)) {
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layer_height += line.dist_Z(reader);
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if (!set_z) {
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z = line.new_Z(reader);
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set_z = true;
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}
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}
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}
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});
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}
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// Remove layer height from initial Z.
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z -= layer_height;
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std::string new_gcode;
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//FIXME Tapering of the transition layer only works reliably with relative extruder distances.
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// For absolute extruder distances it will be switched off.
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// Tapering the absolute extruder distances requires to process every extrusion value after the first transition
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// layer.
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bool transition = m_transition_layer && m_config.use_relative_e_distances.value;
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float layer_height_factor = layer_height / total_layer_length;
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float len = 0.f;
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m_reader.parse_buffer(gcode, [&new_gcode, &z, total_layer_length, layer_height_factor, transition, &len]
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(GCodeReader &reader, GCodeReader::GCodeLine line) {
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if (line.cmd_is("G1")) {
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if (line.has_z()) {
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// If this is the initial Z move of the layer, replace it with a
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// (redundant) move to the last Z of previous layer.
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line.set(reader, Z, z);
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new_gcode += line.raw() + '\n';
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return;
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} else {
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float dist_XY = line.dist_XY(reader);
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if (dist_XY > 0) {
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// horizontal move
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if (line.extruding(reader)) {
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len += dist_XY;
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line.set(reader, Z, z + len * layer_height_factor);
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if (transition && line.has(E))
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// Transition layer, modulate the amount of extrusion from zero to the final value.
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line.set(reader, E, line.value(E) * len / total_layer_length);
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new_gcode += line.raw() + '\n';
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}
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return;
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/* Skip travel moves: the move to first perimeter point will
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cause a visible seam when loops are not aligned in XY; by skipping
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it we blend the first loop move in the XY plane (although the smoothness
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of such blend depend on how long the first segment is; maybe we should
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enforce some minimum length?). */
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}
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}
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}
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new_gcode += line.raw() + '\n';
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});
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return new_gcode;
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}
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}
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