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Merge pull request #16637 from Ultimaker/CURA-7951

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Allow objects to be placed near border for grid arrange
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Remco Burema 2023-09-05 12:32:00 +02:00 committed by GitHub
commit 95530b5779
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1 changed files with 58 additions and 42 deletions
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100
cura/Arranging/GridArrange.py
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@ -1,11 +1,13 @@
import math
from typing import List, TYPE_CHECKING, Tuple, Set
from typing import List, TYPE_CHECKING, Tuple, Set, Union
if TYPE_CHECKING:
from UM.Scene.SceneNode import SceneNode
from cura.BuildVolume import BuildVolume
from UM.Application import Application
from UM.Math.AxisAlignedBox import AxisAlignedBox
from UM.Math.Polygon import Polygon
from UM.Math.Vector import Vector
from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
from UM.Operations.GroupedOperation import GroupedOperation
@ -34,10 +36,18 @@ class GridArrange(Arranger):
self._grid_width += self._margin_x
self._grid_height += self._margin_y
# Round up the grid size to the nearest cm
# Round up the grid size to the nearest cm, this assures that new objects will
# be placed on integer offsets from each other
grid_precision = 10 # 1cm
self._grid_width = math.ceil(self._grid_width / grid_precision) * grid_precision
self._grid_height = math.ceil(self._grid_height / grid_precision) * grid_precision
rounded_grid_width = math.ceil(self._grid_width / grid_precision) * grid_precision
rounded_grid_height = math.ceil(self._grid_height / grid_precision) * grid_precision
# The space added by the "grid precision rounding up" of the grid size
self._grid_round_margin_x = rounded_grid_width - self._grid_width
self._grid_round_margin_y = rounded_grid_height - self._grid_height
self._grid_width = rounded_grid_width
self._grid_height = rounded_grid_height
self._offset_x = 0
self._offset_y = 0
@ -56,10 +66,9 @@ class GridArrange(Arranger):
self._fixed_nodes_grid_ids = self._fixed_nodes_grid_ids.union(
self._intersectingGridIdxInclusive(node.getBoundingBox()))
#grid indexes that are in disallowed area
# grid indexes that are in disallowed area
for polygon in self._build_volume.getDisallowedAreas():
self._fixed_nodes_grid_ids = self._fixed_nodes_grid_ids.union(
self._getIntersectingGridIdForPolygon(polygon))
self._fixed_nodes_grid_ids = self._fixed_nodes_grid_ids.union(self._intersectingGridIdxInclusive(polygon))
self._build_plate_grid_ids = self._intersectingGridIdxExclusive(self._build_volume_bounding_box)
@ -240,51 +249,58 @@ class GridArrange(Arranger):
return TranslateOperation(node, Vector(delta_x, 0, delta_y))
def _getGridCornerPoints(self, bounding_box: "BoundingVolume") -> Tuple[float, float, float, float]:
coord_x1 = bounding_box.left
coord_x2 = bounding_box.right
coord_y1 = bounding_box.back
coord_y2 = bounding_box.front
def _getGridCornerPoints(
self,
bounds: Union[AxisAlignedBox, Polygon],
*,
margin_x: float = 0.0,
margin_y: float = 0.0
) -> Tuple[float, float, float, float]:
if isinstance(bounds, AxisAlignedBox):
coord_x1 = bounds.left - margin_x
coord_x2 = bounds.right + margin_x
coord_y1 = bounds.back - margin_y
coord_y2 = bounds.front + margin_y
elif isinstance(bounds, Polygon):
coord_x1 = float('inf')
coord_y1 = float('inf')
coord_x2 = float('-inf')
coord_y2 = float('-inf')
for x, y in bounds.getPoints():
coord_x1 = min(coord_x1, x)
coord_y1 = min(coord_y1, y)
coord_x2 = max(coord_x2, x)
coord_y2 = max(coord_y2, y)
else:
raise TypeError("bounds must be either an AxisAlignedBox or a Polygon")
coord_x1 -= margin_x
coord_x2 += margin_x
coord_y1 -= margin_y
coord_y2 += margin_y
grid_x1, grid_y1 = self._coordSpaceToGridSpace(coord_x1, coord_y1)
grid_x2, grid_y2 = self._coordSpaceToGridSpace(coord_x2, coord_y2)
return grid_x1, grid_y1, grid_x2, grid_y2
def _getIntersectingGridIdForPolygon(self, polygon)-> Set[Tuple[int, int]]:
# (x0, y0)
# |
# v
# ┌─────────────┐
# │ │
# │ │
# └─────────────┘ < (x1, y1)
x0 = float('inf')
y0 = float('inf')
x1 = float('-inf')
y1 = float('-inf')
grid_idx = set()
for [x, y] in polygon.getPoints():
x0 = min(x0, x)
y0 = min(y0, y)
x1 = max(x1, x)
y1 = max(y1, y)
grid_x1, grid_y1 = self._coordSpaceToGridSpace(x0, y0)
grid_x2, grid_y2 = self._coordSpaceToGridSpace(x1, y1)
for grid_x in range(math.floor(grid_x1), math.ceil(grid_x2)):
for grid_y in range(math.floor(grid_y1), math.ceil(grid_y2)):
grid_idx.add((grid_x, grid_y))
return grid_idx
def _intersectingGridIdxInclusive(self, bounding_box: "BoundingVolume") -> Set[Tuple[int, int]]:
grid_x1, grid_y1, grid_x2, grid_y2 = self._getGridCornerPoints(bounding_box)
def _intersectingGridIdxInclusive(self, bounds: Union[AxisAlignedBox, Polygon]) -> Set[Tuple[int, int]]:
grid_x1, grid_y1, grid_x2, grid_y2 = self._getGridCornerPoints(
bounds,
margin_x=-(self._margin_x + self._grid_round_margin_x) * 0.5,
margin_y=-(self._margin_y + self._grid_round_margin_y) * 0.5,
)
grid_idx = set()
for grid_x in range(math.floor(grid_x1), math.ceil(grid_x2)):
for grid_y in range(math.floor(grid_y1), math.ceil(grid_y2)):
grid_idx.add((grid_x, grid_y))
return grid_idx
def _intersectingGridIdxExclusive(self, bounding_box: "BoundingVolume") -> Set[Tuple[int, int]]:
grid_x1, grid_y1, grid_x2, grid_y2 = self._getGridCornerPoints(bounding_box)
def _intersectingGridIdxExclusive(self, bounds: Union[AxisAlignedBox, Polygon]) -> Set[Tuple[int, int]]:
grid_x1, grid_y1, grid_x2, grid_y2 = self._getGridCornerPoints(
bounds,
margin_x=(self._margin_x + self._grid_round_margin_x) * 0.5,
margin_y=(self._margin_y + self._grid_round_margin_y) * 0.5,
)
grid_idx = set()
for grid_x in range(math.ceil(grid_x1), math.floor(grid_x2)):
for grid_y in range(math.ceil(grid_y1), math.floor(grid_y2)):