Differences
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| geoscene3d:project_content:dataformats:arcinfo_ascii_grid_file_format [2020/02/12 19:54] – created rebecca130301_gmail.com | geoscene3d:project_content:dataformats:arcinfo_ascii_grid_file_format [2020/03/22 18:39] (current) – external edit 127.0.0.1 | ||
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| - | ** | + | **ncols ** \\ |
| - | ncols ** \\ | + | |
| ncols refers to the number of columns in the grid and xxxxx is the numerical value | ncols refers to the number of columns in the grid and xxxxx is the numerical value | ||
| - | ** | + | **nrows ** \\ |
| - | nrows ** \\ | + | |
| nrows refers to the number of rows in the grid and xxxxx is the numerical value | nrows refers to the number of rows in the grid and xxxxx is the numerical value | ||
| - | ** | + | **xllcorner ** \\ |
| - | xllcorner ** \\ | + | |
| xllcorner refers to the western edge of the grid and xxxxx is the numerical value | xllcorner refers to the western edge of the grid and xxxxx is the numerical value | ||
| - | ** | + | **yllcorner ** \\ |
| - | yllcorner ** \\ | + | |
| yllcorner refers to the southern edge of the grid and xxxxx is the numerical value | yllcorner refers to the southern edge of the grid and xxxxx is the numerical value | ||
| - | ** | + | **cellsize ** \\ |
| - | cellsize ** \\ | + | |
| cellsize refers to the resolution of the grid and xxxxx is the numerical value | cellsize refers to the resolution of the grid and xxxxx is the numerical value | ||
| - | ** | + | **nodata_value ** \\ |
| - | nodata_value ** \\ | + | |
| nodata_value refers to the value that represents missing data and xxxxx is the numerical value. This is optional and your parser should not assume it will be present. Note: that if you need a good value, the ESRI default is -9999. | nodata_value refers to the value that represents missing data and xxxxx is the numerical value. This is optional and your parser should not assume it will be present. Note: that if you need a good value, the ESRI default is -9999. | ||
| - | Data **values** | + | **Data ****values** \\ |
| These are the value of individual cell typically representing elevation of a particular area. | These are the value of individual cell typically representing elevation of a particular area. | ||
| - | **NOTES**: \\ | + | **NOTES**: |
| Although ESRI applications may accept other file extensions the file extension must be " | Although ESRI applications may accept other file extensions the file extension must be " | ||
| - | When used in GeoScene3D the decimal separator in floating point values may be either " | + | When used in GeoScene3D the decimal separator in floating point values may be either " |
| xllcorner and yllcorner are given as the EDGES of the grid, NOT the centers of the edge cells. | xllcorner and yllcorner are given as the EDGES of the grid, NOT the centers of the edge cells. | ||