init

post processor/plot_3d_grid_data_slice.m

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+function plot_3d_grid_data_slice(nx, ny, nz, dx, dy, dz, data)
+% 绘制三维网格数据的切片图
+% 输入参数：
+%   nx, ny, nz - 各方向的网格数
+%   dx, dy, dz - 各方向的网格尺寸向量
+%   data - 物理量数据，维度为(nx, ny, nz)
+
+% 计算每个网格点的坐标位置（取网格中心点）
+x = zeros(1, nx);
+x(1) = dx(1)/2;
+for i = 2:nx
+    x(i) = x(i-1) + (dx(i-1) + dx(i))/2;
+end
+
+y = zeros(1, ny);
+y(1) = dy(1)/2;
+for i = 2:ny
+    y(i) = y(i-1) + (dy(i-1) + dy(i))/2;
+end
+
+z = zeros(1, nz);
+z(1) = dz(1)/2;
+for i = 2:nz
+    z(i) = z(i-1) + (dz(i-1) + dz(i))/2;
+end
+
+% 创建三维网格
+[X, Y, Z] = meshgrid(x, y, z);
+% 注意：meshgrid生成的数组维度顺序为(ny, nx, nz)
+% 如果data是(nx, ny, nz)，需要转置
+data_plot = permute(data, [2, 1, 3]);
+
+% 创建新图形
+figure('Position', [100, 100, 800, 600]);
+
+% 使用slice绘制三个正交切面
+xslice = [x(round(nx/4)), x(round(nx/2)), x(round(3*nx/4))];
+yslice = [y(round(ny/4)), y(round(ny/2)), y(round(3*ny/4))];
+zslice = [z(round(nz/4)), z(round(nz/2)), z(round(3*nz/4))];
+
+slice(X, Y, Z, data_plot, xslice, yslice, zslice);
+shading interp;
+colorbar;
+colormap('jet');
+xlabel('X');
+ylabel('Y');
+zlabel('Z');
+title('三维网格物理量分布（切片图）');
+axis equal;
+view(3);
+grid on;
+end