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Add line thickness and feedrate to the data sent from the backend

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This commit is contained in:
Diego Prado Gesto 2017-11-10 16:59:06 +01:00
parent 1ff2541947
commit aa9f9d5b88
6 changed files with 42 additions and 15 deletions
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4
cura/Layer.py
View file

@ -47,12 +47,12 @@ class Layer:
return result
def build(self, vertex_offset, index_offset, vertices, colors, line_dimensions, extruders, line_types, indices):
def build(self, vertex_offset, index_offset, vertices, colors, line_dimensions, feedrates, extruders, line_types, indices):
result_vertex_offset = vertex_offset
result_index_offset = index_offset
self._element_count = 0
for polygon in self._polygons:
polygon.build(result_vertex_offset, result_index_offset, vertices, colors, line_dimensions, extruders, line_types, indices)
polygon.build(result_vertex_offset, result_index_offset, vertices, colors, line_dimensions, feedrates, extruders, line_types, indices)
result_vertex_offset += polygon.lineMeshVertexCount()
result_index_offset += polygon.lineMeshElementCount()
self._element_count += polygon.elementCount

12
cura/LayerDataBuilder.py
View file

@ -20,11 +20,11 @@ class LayerDataBuilder(MeshBuilder):
if layer not in self._layers:
self._layers[layer] = Layer(layer)
def addPolygon(self, layer, polygon_type, data, line_width):
def addPolygon(self, layer, polygon_type, data, line_width, line_thickness, line_feedrate):
if layer not in self._layers:
self.addLayer(layer)
p = LayerPolygon(self, polygon_type, data, line_width)
p = LayerPolygon(self, polygon_type, data, line_width, line_thickness, line_feedrate)
self._layers[layer].polygons.append(p)
def getLayer(self, layer):
@ -64,13 +64,14 @@ class LayerDataBuilder(MeshBuilder):
line_dimensions = numpy.empty((vertex_count, 2), numpy.float32)
colors = numpy.empty((vertex_count, 4), numpy.float32)
indices = numpy.empty((index_count, 2), numpy.int32)
feedrates = numpy.empty((vertex_count), numpy.float32)
extruders = numpy.empty((vertex_count), numpy.float32)
line_types = numpy.empty((vertex_count), numpy.float32)
vertex_offset = 0
index_offset = 0
for layer, data in sorted(self._layers.items()):
( vertex_offset, index_offset ) = data.build( vertex_offset, index_offset, vertices, colors, line_dimensions, extruders, line_types, indices)
( vertex_offset, index_offset ) = data.build( vertex_offset, index_offset, vertices, colors, line_dimensions, feedrates, extruders, line_types, indices)
self._element_counts[layer] = data.elementCount
self.addVertices(vertices)
@ -107,6 +108,11 @@ class LayerDataBuilder(MeshBuilder):
"value": line_types,
"opengl_name": "a_line_type",
"opengl_type": "float"
},
"feedrates": {
"value": feedrates,
"opengl_name": "a_feedrate",
"opengl_type": "float"
}
}

20
cura/LayerPolygon.py
View file

@ -28,7 +28,8 @@ class LayerPolygon:
# \param data new_points
# \param line_widths array with line widths
# \param line_thicknesses: array with type as index and thickness as value
def __init__(self, extruder, line_types, data, line_widths, line_thicknesses):
# \param line_feedrates array with line feedrates
def __init__(self, extruder, line_types, data, line_widths, line_thicknesses, line_feedrates):
self._extruder = extruder
self._types = line_types
for i in range(len(self._types)):
@ -37,6 +38,7 @@ class LayerPolygon:
self._data = data
self._line_widths = line_widths
self._line_thicknesses = line_thicknesses
self._line_feedrates = line_feedrates
self._vertex_begin = 0
self._vertex_end = 0
@ -84,10 +86,11 @@ class LayerPolygon:
# \param vertices : vertex numpy array to be filled
# \param colors : vertex numpy array to be filled
# \param line_dimensions : vertex numpy array to be filled
# \param feedrates : vertex numpy array to be filled
# \param extruders : vertex numpy array to be filled
# \param line_types : vertex numpy array to be filled
# \param indices : index numpy array to be filled
def build(self, vertex_offset, index_offset, vertices, colors, line_dimensions, extruders, line_types, indices):
def build(self, vertex_offset, index_offset, vertices, colors, line_dimensions, feedrates, extruders, line_types, indices):
if self._build_cache_line_mesh_mask is None or self._build_cache_needed_points is None:
self.buildCache()
@ -109,10 +112,13 @@ class LayerPolygon:
# Create an array with colors for each vertex and remove the color data for the points that has been thrown away.
colors[self._vertex_begin:self._vertex_end, :] = numpy.tile(self._colors, (1, 2)).reshape((-1, 4))[needed_points_list.ravel()]
# Create an array with line widths for each vertex.
# Create an array with line widths and thicknesses for each vertex.
line_dimensions[self._vertex_begin:self._vertex_end, 0] = numpy.tile(self._line_widths, (1, 2)).reshape((-1, 1))[needed_points_list.ravel()][:, 0]
line_dimensions[self._vertex_begin:self._vertex_end, 1] = numpy.tile(self._line_thicknesses, (1, 2)).reshape((-1, 1))[needed_points_list.ravel()][:, 0]
# Create an array with feedrates for each line
feedrates[self._vertex_begin:self._vertex_end] = numpy.tile(self._line_feedrates, (1, 2)).reshape((-1, 1))[needed_points_list.ravel()][:, 0]
extruders[self._vertex_begin:self._vertex_end] = self._extruder
# Convert type per vertex to type per line
@ -167,6 +173,14 @@ class LayerPolygon:
def lineWidths(self):
return self._line_widths
@property
def lineThicknesses(self):
return self._line_thicknesses
@property
def lineFeedrates(self):
return self._line_feedrates
@property
def jumpMask(self):
return self._jump_mask

4
plugins/CuraEngineBackend/Cura.proto
View file

@ -61,6 +61,8 @@ message Polygon {
Type type = 1; // Type of move
bytes points = 2; // The points of the polygon, or two points if only a line segment (Currently only line segments are used)
float line_width = 3; // The width of the line being laid down
float line_thickness = 4; // The thickness of the line being laid down
float line_feedrate = 5; // The feedrate of the line being laid down
}
message LayerOptimized {
@ -82,6 +84,8 @@ message PathSegment {
bytes points = 3; // The points defining the line segments, bytes of float[2/3] array of length N+1
bytes line_type = 4; // Type of line segment as an unsigned char array of length 1 or N, where N is the number of line segments in this path
bytes line_width = 5; // The widths of the line segments as bytes of a float array of length 1 or N
bytes line_thickness = 6; // The thickness of the line segments as bytes of a float array of length 1 or N
bytes line_feedrate = 7; // The feedrate of the line segments as bytes of a float array of length 1 or N
}

11
plugins/CuraEngineBackend/ProcessSlicedLayersJob.py
View file

@ -128,10 +128,11 @@ class ProcessSlicedLayersJob(Job):
line_widths = numpy.fromstring(polygon.line_width, dtype="f4") # Convert bytearray to numpy array
line_widths = line_widths.reshape((-1,1)) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
# In the future, line_thicknesses should be given by CuraEngine as well.
# Currently the infill layer thickness also translates to line width
line_thicknesses = numpy.zeros(line_widths.shape, dtype="f4")
line_thicknesses[:] = layer.thickness / 1000 # from micrometer to millimeter
line_thicknesses = numpy.fromstring(polygon.line_thickness, dtype="f4") # Convert bytearray to numpy array
line_thicknesses = line_thicknesses.reshape((-1,1)) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
line_feedrates = numpy.fromstring(polygon.line_feedrate, dtype="f4") # Convert bytearray to numpy array
line_feedrates = line_feedrates.reshape((-1,1)) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
# Create a new 3D-array, copy the 2D points over and insert the right height.
# This uses manual array creation + copy rather than numpy.insert since this is
@ -146,7 +147,7 @@ class ProcessSlicedLayersJob(Job):
new_points[:, 1] = points[:, 2]
new_points[:, 2] = -points[:, 1]
this_poly = LayerPolygon.LayerPolygon(extruder, line_types, new_points, line_widths, line_thicknesses)
this_poly = LayerPolygon.LayerPolygon(extruder, line_types, new_points, line_widths, line_thicknesses, line_feedrates)
this_poly.buildCache()
this_layer.polygons.append(this_poly)

6
plugins/GCodeReader/GCodeReader.py
View file

@ -114,9 +114,11 @@ class GCodeReader(MeshReader):
line_types = numpy.empty((count - 1, 1), numpy.int32)
line_widths = numpy.empty((count - 1, 1), numpy.float32)
line_thicknesses = numpy.empty((count - 1, 1), numpy.float32)
line_feedrates = numpy.empty((count - 1, 1), numpy.float32)
# TODO: need to calculate actual line width based on E values
line_widths[:, 0] = 0.35 # Just a guess
line_thicknesses[:, 0] = layer_thickness
line_thicknesses[:, 0] = layer_thickness # TODO Same for all, but it should be calculated from the layer height differences
line_feedrates[:, 0] = 50 # TODO Now we use 50mm/s as a demo, it should be obtained from the GCode
points = numpy.empty((count, 3), numpy.float32)
i = 0
for point in path:
@ -127,7 +129,7 @@ class GCodeReader(MeshReader):
line_widths[i - 1] = 0.1
i += 1
this_poly = LayerPolygon(self._extruder_number, line_types, points, line_widths, line_thicknesses)
this_poly = LayerPolygon(self._extruder_number, line_types, points, line_widths, line_thicknesses, line_feedrates)
this_poly.buildCache()
this_layer.polygons.append(this_poly)