R1 = 20;
theta = 0;
h = 9;
phase3d =
Table[{r*Cos[fai],
r*Sin[fai], (R1*fai)/(2 \[Pi]) -
R1 Tan[theta \[Pi]/180]}, {fai, \[Pi], 2 \[Pi], \[Pi]/99}, {r, 0,
R1, R1/99}] // N
ListPointPlot3D[phase3d, ImageSize -> Large]
ListPlot3D[phase3d, ImageSize -> Large]
代码如上，我想画一个旋转螺旋，但是为什么ListPlot3D不管用呢?
theta = 0;
h = 9;
phase3d =
Table[{r*Cos[fai],
r*Sin[fai], (R1*fai)/(2 \[Pi]) -
R1 Tan[theta \[Pi]/180]}, {fai, \[Pi], 2 \[Pi], \[Pi]/99}, {r, 0,
R1, R1/99}] // N
ListPointPlot3D[phase3d, ImageSize -> Large]
ListPlot3D[phase3d, ImageSize -> Large]
代码如上，我想画一个旋转螺旋，但是为什么ListPlot3D不管用呢?
