init

2026-03-13 11:24:41 +08:00
commit 04e2bb29c7
238 changed files with 29102 additions and 0 deletions
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+% 主程序示例
+clear; clc; close all;
+
+% 设置网格参数
+nx = 20;
+ny = 15;
+nz = 10;
+
+% 生成非均匀网格尺寸
+dx = linspace(0.5, 1.5, nx)';  % x方向网格尺寸从0.5到1.5变化
+dy = linspace(0.8, 1.2, ny)';  % y方向网格尺寸从0.8到1.2变化
+dz = ones(nz, 1) * 1.0;         % z方向均匀网格
+
+% 生成示例数据（例如：三维高斯分布）
+x_center = sum(dx)/2;  % 中心位置
+y_center = sum(dy)/2;
+z_center = sum(dz)/2;
+
+% 计算每个网格点的坐标
+x_pos = zeros(nx, 1);
+x_pos(1) = dx(1)/2;
+for i = 2:nx
+    x_pos(i) = x_pos(i-1) + (dx(i-1) + dx(i))/2;
+end
+
+y_pos = zeros(ny, 1);
+y_pos(1) = dy(1)/2;
+for i = 2:ny
+    y_pos(i) = y_pos(i-1) + (dy(i-1) + dy(i))/2;
+end
+
+z_pos = zeros(nz, 1);
+z_pos(1) = dz(1)/2;
+for i = 2:nz
+    z_pos(i) = z_pos(i-1) + (dz(i-1) + dz(i))/2;
+end
+
+% 创建网格坐标
+[X, Y, Z] = ndgrid(x_pos, y_pos, z_pos);
+
+% 生成示例物理量数据（三维高斯分布）
+sigma_x = max(x_pos)/3;
+sigma_y = max(y_pos)/3;
+sigma_z = max(z_pos)/3;
+data = exp(-((X - x_center).^2/(2*sigma_x^2) + ...
+             (Y - y_center).^2/(2*sigma_y^2) + ...
+             (Z - z_center).^2/(2*sigma_z^2)));
+
+% 绘制不同类型的图
+% plot_3d_grid_data_slice(nx, ny, nz, dx, dy, dz, data);
+% plot_3d_grid_data_scatter(nx, ny, nz, dx, dy, dz, data);
+% plot_3d_grid_data_volume(nx, ny, nz, dx, dy, dz, data);
+% 方法1：基本体素图
+fprintf('绘制方法1：基本体素图...\n');
+plot_3d_grid_voxel_full(nx, ny, nz, dx, dy, dz, data);
+title('方法1：基本体素图 - 高斯分布');
+
+% 方法2：优化版本
+fprintf('绘制方法2：优化版本...\n');
+plot_3d_grid_patch_optimized(nx, ny, nz, dx, dy, dz, data);
+title('方法2：优化版本 - 球壳分布');
+
+% 方法3：体素函数法
+fprintf('绘制方法3：体素函数法...\n');
+plot_3d_grid_voxel_function(nx, ny, nz, dx, dy, dz, data);
+title('方法3：体素函数法 - 波纹分布');
+
+% 方法4：半透明效果
+fprintf('绘制方法4：半透明效果...\n');
+plot_3d_grid_transparent(nx, ny, nz, dx, dy, dz, data);