(Perl Data Language) aims to turn perl into an efficient numerical language for scientific computing (similar to IDL and MatLab).
| Pic.pm (PDL-2.074) | : | Pic.pm (PDL-2.075) |
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| skipping to change at line 484 | | skipping to change at line 484 |
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| Read images in most formats, with improved RGB handling. | | Read images in most formats, with improved RGB handling. |
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| You specify a filename and get back a PDL with the image data in it. | | You specify a filename and get back a PDL with the image data in it. |
| Any PNM handled format or FITS will work. In the second form, $x is an | | Any PNM handled format or FITS will work. In the second form, $x is an |
| existing PDL that gets loaded with the image data. | | existing PDL that gets loaded with the image data. |
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| If the image is in one of the standard RGB formats, then you get back | | If the image is in one of the standard RGB formats, then you get back |
| data in (<X>,<Y>,<RGB-index>) format -- that is to say, the third dim | | data in (<X>,<Y>,<RGB-index>) format -- that is to say, the third dim |
| contains the color information. That allows you to do simple indexing | | contains the color information. That allows you to do simple indexing |
| into the image without knowing whether it is color or not -- if present, | | into the image without knowing whether it is color or not -- if present, |
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| the RGB information is silently threaded over. (Contrast L</rpic>, which | | the RGB information is silently broadcasted over. (Contrast L</rpic>, which |
| munges the information by putting the RGB index in the 0th dim, screwing | | munges the information by putting the RGB index in the 0th dim, screwing |
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| up subsequent threading operations). | | up subsequent broadcasting operations). |
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| If the image is in FITS format, then you get the data back in exactly | | If the image is in FITS format, then you get the data back in exactly |
| the same order as in the file itself. | | the same order as in the file itself. |
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| Images with a ".Z" or ".gz" extension are assumed to be compressed with | | Images with a ".Z" or ".gz" extension are assumed to be compressed with |
| UNIX L<"compress"|compress> or L<"gzip"|gzip>, respecetively, and are | | UNIX L<"compress"|compress> or L<"gzip"|gzip>, respecetively, and are |
| automatically uncompressed before reading. | | automatically uncompressed before reading. |
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| OPTIONS | | OPTIONS |
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| End of changes. 2 change blocks. |
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| 2 lines changed or deleted | | 2 lines changed or added |
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"Fossies" - the Fresh Open Source Software Archive 