DMU50_GUI_PY/functions.py
2025-03-12 14:37:23 +01:00

130 lines
5.0 KiB
Python

# functions.py
import yaml
from PIL import Image, ImageTk
from tkinter import ttk, filedialog, messagebox
import tkinter as tk
import os
import trimesh
from mpl_toolkits.mplot3d.art3d import Poly3DCollection
import numpy as np
# Function to load object definitions from YAML
# Load a specific parameter set from a YAML file for a group
def load_yaml(group_name, param_name, folder_parsets):
yml_file = os.path.join(folder_parsets, f"{group_name}.yml")
if os.path.exists(yml_file):
with open(yml_file, 'r') as file:
data = yaml.safe_load(file)
return data.get(param_name, {})
return {}
# Save a parameter set to a YAML file for a group
def save_yaml(group_name, param_name, param_data, folder_parsets):
yml_file = os.path.join(folder_parsets, f"{group_name}.yml")
all_data = load_existing_data(yml_file)
all_data[param_name] = param_data
with open(yml_file, 'w') as file:
yaml.dump(all_data, file)
# messagebox.showinfo("Success", f"Parameter set '{param_name}' saved to {group_name}.yml")
def delete_yaml(group_name, param_name, folder_parsets):
yml_file = os.path.join(folder_parsets, f"{group_name}.yml")
if os.path.exists(yml_file):
with open(yml_file, 'r') as file:
data = yaml.safe_load(file)
if param_name in data:
del data[param_name] # Remove the specific parameter set
with open(yml_file, 'w') as file:
yaml.safe_dump(data, file)
# Load existing data from a YAML file
def load_existing_data(yml_file):
if os.path.exists(yml_file):
with open(yml_file, 'r') as file:
return yaml.safe_load(file) or {}
return {}
# Fetch existing parameter sets from a group-specific YAML file
def get_existing_parameters(group_name, folder_parsets):
yml_file = os.path.join(folder_parsets, f"{group_name}.yml")
data = load_existing_data(yml_file)
return list(data.keys())
# Load the image for the UI
def load_image(image_file, sizelimit=200):
image = Image.open(image_file)
w, h = image.size
if w > h:
new_w, new_h = sizelimit, int(sizelimit * h / w)
else:
new_h, new_w = sizelimit, int(sizelimit * w / h)
return ImageTk.PhotoImage(image.resize((new_w, new_h), Image.Resampling.LANCZOS))
# Create a new parameter set and save it
def create_new_parameter_set(group_name, param_name, input_vars, folder_parsets):
if not param_name:
messagebox.showerror("Error", "Parameter set name cannot be empty.")
return
param_data = {key: var.get() for key, var in input_vars[group_name].items()}
save_yaml(group_name, param_name, param_data, folder_parsets)
# Update the dropdown after saving new parameter set
def update_dropdown(param_values, param_name, param_dropdown):
param_values.insert(-1, param_name)
param_dropdown['values'] = param_values
# Create a popup window for creating a new parameter set
def create_new_param_popup(root, group_name, input_vars, param_values, param_dropdown, folder_parsets):
new_window = tk.Toplevel(root)
new_window.title(f"Create New Parameter Set for {group_name}")
tk.Label(new_window, text="Parameter Set Name:").pack(pady=10)
param_name_entry = tk.Entry(new_window)
param_name_entry.pack(pady=10)
def create_param_set():
param_name = param_name_entry.get()
create_new_parameter_set(group_name, param_name, input_vars, folder_parsets)
update_dropdown(param_values, param_name, param_dropdown)
new_window.destroy()
tk.Button(new_window, text="Create", command=create_param_set).pack(pady=10)
# -------------------------------------------------------------------------------------------------------
def plot_clamping(ax, x, y, z, dx, dy1, dy2, dz1, dz2, color='blue', alpha=0.5, linewidth=1, inverty=False):
"""Efficiently plots an L-shaped merged cube structure and draws only axis-aligned edges."""
# Compute Y offsets
dyy1, dyy2 = (y - dy1 / 2, y - (dy1 - dy2) / 2) if not inverty else (y + dy1 / 2, y + (dy1 - dy2) / 2)
# Create and position both cubes
cubes = [
trimesh.creation.box(extents=[dx, dy1, dz1]).apply_translation([x + dx / 2, dyy1, z + dz1 / 2]),
trimesh.creation.box(extents=[dx, dy1 + dy2, dz2]).apply_translation([x + dx / 2, dyy2, z - dz2 / 2])
]
try:
# Perform boolean union on merged cubes
merged = trimesh.boolean.union(cubes)
# Extract vertices and edges
vertices = np.array(merged.vertices)
edges = merged.edges_unique
# Add merged faces without visible edges
ax.add_collection3d(Poly3DCollection(
vertices[merged.faces], facecolors=color, alpha=alpha, edgecolors=None, linewidth=0
))
# Draw only axis-aligned edges
for edge in edges:
v1, v2 = vertices[edge]
if np.isclose(v1, v2, atol=1e-6).sum() == 2: # Only one coordinate changes
ax.plot(*zip(*[v1, v2]), color='black', linewidth=linewidth)
except Exception as e:
print(f"Trimesh union failed: {e}")