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First implementation of wipe tower rotation

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This commit is contained in:
Lukas Matena 2017-11-28 17:32:11 +01:00
parent 7308017ee8
commit 0e9e487930
2 changed files with 49 additions and 13 deletions
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10
xs/src/libslic3r/GCode/WipeTower.hpp
View file

@ -23,6 +23,16 @@ public:
xy& operator-=(const xy &rhs) { x -= rhs.x; y -= rhs.y; return *this; }
bool operator==(const xy &rhs) { return x == rhs.x && y == rhs.y; }
bool operator!=(const xy &rhs) { return x != rhs.x || y != rhs.y; }
// Rotate the point around given point about given angle (in degrees)
xy rotate(const xy& origin, float angle) const {
xy out(0,0);
angle *= M_PI/180.;
out.x=(x-origin.x) * cos(angle) - (y-origin.y) * sin(angle);
out.y=(x-origin.x) * sin(angle) + (y-origin.y) * cos(angle);
return out+origin;
}
float x;
float y;
};

52
xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp
View file

@ -14,6 +14,9 @@
#define strcasecmp _stricmp
#endif
#define ROTATION_ANGLE 30
namespace Slic3r
{
@ -47,6 +50,9 @@ public:
Writer& set_extrusion_flow(float flow)
{ m_extrusion_flow = flow; return *this; }
Writer& set_rotation(WipeTower::xy pos,float angle)
{ m_wipe_tower_pos = pos; m_angle_deg = angle; return (*this); }
// Suppress / resume G-code preview in Slic3r. Slic3r will have difficulty to differentiate the various
// filament loading and cooling moves from normal extrusion moves. Therefore the writer
@ -67,6 +73,7 @@ public:
float y() const { return m_current_pos.y; }
const WipeTower::xy& start_pos() const { return m_start_pos; }
const WipeTower::xy& pos() const { return m_current_pos; }
const WipeTower::xy printer_pos() const { return m_current_pos.rotate(m_wipe_tower_pos,m_angle_deg); }
float elapsed_time() const { return m_elapsed_time; }
// Extrude with an explicitely provided amount of extrusion.
@ -79,29 +86,43 @@ public:
float dx = x - m_current_pos.x;
float dy = y - m_current_pos.y;
double len = sqrt(dx*dx+dy*dy);
// For rotated wipe tower, transform position to printer coordinates
//Q zavadet nove promenne? rotace o zaporny uhel?
WipeTower::xy rotated_current_pos( m_current_pos.rotate(m_wipe_tower_pos,m_angle_deg) );
WipeTower::xy rot( WipeTower::xy(x,y).rotate(m_wipe_tower_pos,m_angle_deg ) );
if (! m_preview_suppressed && e > 0.f && len > 0.) {
// Width of a squished extrusion, corrected for the roundings of the squished extrusions.
// This is left zero if it is a travel move.
float width = float(double(e) * m_filament_area / (len * m_layer_height));
// Correct for the roundings of a squished extrusion.
width += float(m_layer_height * (1. - M_PI / 4.));
if (m_extrusions.empty() || m_extrusions.back().pos != m_current_pos)
m_extrusions.emplace_back(WipeTower::Extrusion(m_current_pos, 0, m_current_tool));
m_extrusions.emplace_back(WipeTower::Extrusion(WipeTower::xy(x, y), width, m_current_tool));
if (m_extrusions.empty() || m_extrusions.back().pos != rotated_current_pos)
m_extrusions.emplace_back(WipeTower::Extrusion(rotated_current_pos, 0, m_current_tool));
m_extrusions.emplace_back(WipeTower::Extrusion(WipeTower::xy(rot.x, rot.y), width, m_current_tool));
}
m_gcode += "G1";
if (x != m_current_pos.x)
m_gcode += set_format_X(x);
if (y != m_current_pos.y)
m_gcode += set_format_Y(y);
if (rot.x != rotated_current_pos.x)
m_gcode += set_format_X(rot.x);
if (rot.y != rotated_current_pos.y)
m_gcode += set_format_Y(rot.y);
// Transform current position back to wipe tower coordinates (was updated by set_format_X)
m_current_pos.x = x;
m_current_pos.y = y;
if (e != 0.f)
m_gcode += set_format_E(e);
if (f != 0.f && f != m_current_feedrate)
m_gcode += set_format_F(f);
// Update the elapsed time with a rough estimate.
m_elapsed_time += ((len == 0) ? std::abs(e) : len) / m_current_feedrate * 60.f;
m_gcode += "\n";
@ -278,6 +299,8 @@ private:
std::vector<WipeTower::Extrusion> m_extrusions;
float m_elapsed_time;
const double m_filament_area = 0.25*M_PI*1.75*1.75;
float m_angle_deg = 0;
WipeTower::xy m_wipe_tower_pos;
std::string set_format_X(float x) {
char buf[64];
@ -338,7 +361,7 @@ public:
};
*/
} // namespace PrusaMultiMaterial
}; // namespace PrusaMultiMaterial
WipeTowerPrusaMM::material_type WipeTowerPrusaMM::parse_material(const char *name)
{
@ -470,7 +493,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime(
result.elapsed_time = writer.elapsed_time();
result.extrusions = writer.extrusions();
result.start_pos = writer.start_pos();
result.end_pos = writer.pos();
result.end_pos = writer.printer_pos();
return result;
}
@ -525,6 +548,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
.set_z(m_z_pos)
.set_layer_height(m_layer_height)
.set_initial_tool(m_current_tool)
.set_rotation(this->m_wipe_tower_pos,ROTATION_ANGLE)
.append(";--------------------\n"
"; CP TOOLCHANGE START\n")
.comment_with_value(" toolchange #", m_num_tool_changes)
@ -605,7 +629,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
result.elapsed_time = writer.elapsed_time();
result.extrusions = writer.extrusions();
result.start_pos = writer.start_pos();
result.end_pos = writer.pos();
result.end_pos = writer.printer_pos();
return result;
}
@ -622,6 +646,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::toolchange_Brim(Purpose purpose, b
.set_z(m_z_pos)
.set_layer_height(m_layer_height)
.set_initial_tool(m_current_tool)
.set_rotation(this->m_wipe_tower_pos,ROTATION_ANGLE)
.append(
";-------------------------------------\n"
"; CP WIPE TOWER FIRST LAYER BRIM START\n");
@ -705,7 +730,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::toolchange_Brim(Purpose purpose, b
result.elapsed_time = writer.elapsed_time();
result.extrusions = writer.extrusions();
result.start_pos = writer.start_pos();
result.end_pos = writer.pos();
result.end_pos = writer.printer_pos();
return result;
}
@ -910,6 +935,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::finish_layer(Purpose purpose)
.set_z(m_z_pos)
.set_layer_height(m_layer_height)
.set_initial_tool(m_current_tool)
.set_rotation(this->m_wipe_tower_pos,ROTATION_ANGLE)
.append(";--------------------\n"
"; CP EMPTY GRID START\n")
// m_num_layer_changes is incremented by set_z, so it is 1 based.
@ -1025,7 +1051,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::finish_layer(Purpose purpose)
result.elapsed_time = writer.elapsed_time();
result.extrusions = writer.extrusions();
result.start_pos = writer.start_pos();
result.end_pos = writer.pos();
result.end_pos = writer.printer_pos();
return result;
}