本文整理汇总了Python中UM.Mesh.MeshBuilder.MeshBuilder._face_count方法的典型用法代码示例。如果您正苦于以下问题：Python MeshBuilder._face_count方法的具体用法？Python MeshBuilder._face_count怎么用？Python MeshBuilder._face_count使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类UM.Mesh.MeshBuilder.MeshBuilder的用法示例。
在下文中一共展示了MeshBuilder._face_count方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _generateSceneNode
# 需要导入模块: from UM.Mesh.MeshBuilder import MeshBuilder [as 别名]
# 或者: from UM.Mesh.MeshBuilder.MeshBuilder import _face_count [as 别名]
def _generateSceneNode(self, file_name, xz_size, peak_height, base_height, blur_iterations, max_size, image_color_invert):
scene_node = SceneNode()
mesh = MeshBuilder()
img = QImage(file_name)
if img.isNull():
Logger.log("e", "Image is corrupt.")
return None
width = max(img.width(), 2)
height = max(img.height(), 2)
aspect = height / width
if img.width() < 2 or img.height() < 2:
img = img.scaled(width, height, Qt.IgnoreAspectRatio)
base_height = max(base_height, 0)
peak_height = max(peak_height, -base_height)
xz_size = max(xz_size, 1)
scale_vector = Vector(xz_size, peak_height, xz_size)
if width > height:
scale_vector = scale_vector.set(z=scale_vector.z * aspect)
elif height > width:
scale_vector = scale_vector.set(x=scale_vector.x / aspect)
if width > max_size or height > max_size:
scale_factor = max_size / width
if height > width:
scale_factor = max_size / height
width = int(max(round(width * scale_factor), 2))
height = int(max(round(height * scale_factor), 2))
img = img.scaled(width, height, Qt.IgnoreAspectRatio)
width_minus_one = width - 1
height_minus_one = height - 1
Job.yieldThread()
texel_width = 1.0 / (width_minus_one) * scale_vector.x
texel_height = 1.0 / (height_minus_one) * scale_vector.z
height_data = numpy.zeros((height, width), dtype=numpy.float32)
for x in range(0, width):
for y in range(0, height):
qrgb = img.pixel(x, y)
avg = float(qRed(qrgb) + qGreen(qrgb) + qBlue(qrgb)) / (3 * 255)
height_data[y, x] = avg
Job.yieldThread()
if image_color_invert:
height_data = 1 - height_data
for _ in range(0, blur_iterations):
copy = numpy.pad(height_data, ((1, 1), (1, 1)), mode= "edge")
height_data += copy[1:-1, 2:]
height_data += copy[1:-1, :-2]
height_data += copy[2:, 1:-1]
height_data += copy[:-2, 1:-1]
height_data += copy[2:, 2:]
height_data += copy[:-2, 2:]
height_data += copy[2:, :-2]
height_data += copy[:-2, :-2]
height_data /= 9
Job.yieldThread()
height_data *= scale_vector.y
height_data += base_height
heightmap_face_count = 2 * height_minus_one * width_minus_one
total_face_count = heightmap_face_count + (width_minus_one * 2) * (height_minus_one * 2) + 2
mesh.reserveFaceCount(total_face_count)
# initialize to texel space vertex offsets.
# 6 is for 6 vertices for each texel quad.
heightmap_vertices = numpy.zeros((width_minus_one * height_minus_one, 6, 3), dtype = numpy.float32)
heightmap_vertices = heightmap_vertices + numpy.array([[
[0, base_height, 0],
[0, base_height, texel_height],
[texel_width, base_height, texel_height],
[texel_width, base_height, texel_height],
[texel_width, base_height, 0],
[0, base_height, 0]
]], dtype = numpy.float32)
offsetsz, offsetsx = numpy.mgrid[0: height_minus_one, 0: width - 1]
offsetsx = numpy.array(offsetsx, numpy.float32).reshape(-1, 1) * texel_width
offsetsz = numpy.array(offsetsz, numpy.float32).reshape(-1, 1) * texel_height
#.........这里部分代码省略.........