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supported_map_formats [2013/03/04 17:54] admin |
supported_map_formats [2013/03/29 16:14] admin [GDAL Limitations] |
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| | @yellow:The categories must start from 0 and their definition must be contiguous. | Unfortunately, the only way to workaround this limitation is defining dummy categories (Dinamica EGO does this when representing non-contiguous categories in a GDAL supported format) or using the ERMapper file format. | | | @yellow:The categories must start from 0 and their definition must be contiguous. | Unfortunately, the only way to workaround this limitation is defining dummy categories (Dinamica EGO does this when representing non-contiguous categories in a GDAL supported format) or using the ERMapper file format. | | ||
| | @yellow:Some formats do not preserve category colors when a specified number of bits per sample is used. | Unfortunately, the only way to workaround this limitation is using a different format or choosing a number of bits per sample that does not have this limitation for a given format. For example, Geotiff format only stores category colors when the cell type is 8 bits. | | | @yellow:Some formats do not preserve category colors when a specified number of bits per sample is used. | Unfortunately, the only way to workaround this limitation is using a different format or choosing a number of bits per sample that does not have this limitation for a given format. For example, Geotiff format only stores category colors when the cell type is 8 bits. | | ||
| - | | @pink:Categories represented by negative values are not supported. | Unfortunately, there is no way to workaround this limitation, except by avoid the used of negative categories. | | + | | @pink:Categories represented by negative values are not supported. | Unfortunately, there is no way to workaround this limitation, except by avoiding the use of negative categories. | |
| The ERMapper file format is handled by Dinamica EGO itself and not delegated to the GDAL library. For that reason, the PAM XML file can not be used with this format. | The ERMapper file format is handled by Dinamica EGO itself and not delegated to the GDAL library. For that reason, the PAM XML file can not be used with this format. | ||