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Update 3.1 Code basics authored by Udo Ziegler's avatar Udo Ziegler
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3-NIRVANA-user-guide/3.1-Code-basics.md
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......@@ -63,8 +63,8 @@ determining the coordinate system with canonical coordinates
| | geometry | canonical coordinates | metric scale factors |
| | | (*x*, *y*, *z*) | (*h*<sub>*x*</sub>, *h*<sub>*y*</sub>(*x*), *h*<sub>*z*</sub> = *h*<sub>*y*</sub>(*x*) ⋅ *h*<sub>*zy*</sub>(*y*)) |
| ![CART](uploads/5f4052ddeef58a9db3b74c9904879e35/CART.png) | CARTESIAN | (*x*, *y*, *z*) | (1, 1, 1) |
| ![image](../pic/CYL.png) | CYLINDRICAL | (*z*, *R*, *ϕ*) | (1, 1, *R*) |
| ![image](../pic/SPH.png) | SPHERICAL | (*r*, *θ*, *ϕ*) | (1, *r*, *r* ⋅ sin *θ*) |
| ![CYL](uploads/5a1aea6b07b2ec9aca7f36aac8da0200/CYL.png) | CYLINDRICAL | (*z*, *R*, *ϕ*) | (1, 1, *R*) |
| ![SPH](uploads/00d2f413938859f1cdb3cc8cd0c1ca71/SPH.png) | SPHERICAL | (*r*, *θ*, *ϕ*) | (1, *r*, *r* ⋅ sin *θ*) |
The grid is assumed evenly spaced in canonical coordinates with cell
sizes (or resolutions)
......