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| geoscene_wiki_2d_grids [2026/01/05 15:21] – dev | geoscene_wiki_2d_grids [2026/01/05 15:39] (current) – dev |
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| <font 12pt/Aptos,sans-serif;;inherit;;inherit>**Cell Reference Point: Center of the Cell**</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>**Cell Reference Point: Center of the Cell**</font> |
| <font 12pt/Aptos,sans-serif;;inherit;;inherit>Although the grid origin is located at the lower-left corner, **GeoScene3D defines grid values at the CKGE_TMP_i center CKGE_TMP_i of each cell**.</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>Although the grid origin is located at the lower-left corner, **GeoScene3D defines grid values at the center of each cell**.</font> |
| <font 12pt/Aptos,sans-serif;;inherit;;inherit>In practice, this means:</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>In practice, this means:</font> |
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| - <font 12pt/Aptos,sans-serif;;inherit;;inherit>the grid origin being defined at the corner, and</font> | - <font 12pt/Aptos,sans-serif;;inherit;;inherit>the grid origin being defined at the corner, and</font> |
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| - <font 12pt/Aptos,sans-serif;;inherit;;inherit>the grid values being defined at cell centers.</font> | - <font 12pt/Aptos,sans-serif;;inherit;;inherit>the grid values being defined at cell centers.</font> |
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| <font 12pt/Aptos,sans-serif;;inherit;;inherit>**Illustration**</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>**Illustration**</font> |
| <font 12pt/Aptos,sans-serif;;inherit;;inherit>The figure below illustrates this behavior:</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>The figure below illustrates this behavior:</font> |
| | {{:cetrum_vs_lower_left_corner1_1.png?600|}} |
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| * <font 12pt/Aptos,sans-serif;;inherit;;inherit>Grid points are located at the **centers of the cells**</font> | * <font 12pt/Aptos,sans-serif;;inherit;;inherit>Grid points are located at the **centers of the cells**</font> |
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| * <font 12pt/Aptos,sans-serif;;inherit;;inherit>The grid origin is at the **lower-left corner**</font> | * <font 12pt/Aptos,sans-serif;;inherit;;inherit>The grid origin is at the **lower-left corner**</font> |
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| <font 12pt/Aptos,sans-serif;;inherit;;inherit>The first visible cell is therefore only partially shown</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>The first visible cell is therefore only partially shown</font> |
| <font 12pt/Aptos,sans-serif;;inherit;;inherit>This visual effect helps explain why the grid may appear “cut” at the edges.</font> | <font 12pt/Aptos,sans-serif;;inherit;;inherit>This visual effect helps explain why the grid may appear “cut” at the edges.</font> |
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