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#1
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AVIATIONTOOLBOX: Christmas sectionals are here and rsync-able.
Somehow the FAA forgot to send me the last batch of sectional DVDs
and by the time I finally called about it they didn't have any remaining. I was told to wait for the next batch. It's here. This batch doesn't become effective until December 25, 2003, but because the previous batch has expired, I've changed the "current" link to point to the new batch. http://aviationtoolbox.org/raw_data/...onals/current/ I've gotten rid of the zip files. I didn't like having multiple versions of the data. I considered making a simple way to compress the files on the fly for HTTP transport, but I decided to try providing the files over a dedicated rsync server instead. So...if you're in a directory that has the last batch of sectionals and you want to update it, try something like this. rsync -Prvz --size-only rsync://aviationtoolbox.org/raw_data/FAA_sectionals/current/ . The "z" specifies compression and I found that it does a fairly good job with the TIFF files. If you trust me to get things right and you want to get rid of files that don't exist in the new batch you might want to use "--delete" also. Note that I have not yet created "chunks" using these new sectionals. I am still mulling over the most efficient way to do this. There are not a lot of new images, so I think I can make updates *much* quicker if I just re-crop and warp the new ones. I've also created a simple command line tool to generate an image of any region by stitching together the chunks. I want to make it available through HTTP and XML-RPC so I've switched to working on the Zope infrastructure for awhile. More on that soon. Enjoy. --kyler |
#2
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Note that I have not yet created "chunks" using these new sectionals.
I am still mulling over the most efficient way to do this. There are not a lot of new images, so I think I can make updates *much* quicker if I just re-crop and warp the new ones. I ended up masking and warping all of the images again. http://aviationtoolbox.org/munge/masked/ http://aviationtoolbox.org/munge/warped/ This time I kept the version numbers intact. In order to better handle incremental updates, I'm running the "chunking" process after all of the warped images have been created. It is running now. (Watch it grow! It's almost as much fun as a Chia-Pet.) http://aviationtoolbox.org/munge/mosaic?dir=new Tomorrow I'll move "chunked-new" to "chunked". http://aviationtoolbox.org/munge/chunked/ ....and then I'll make the "rechunking" code available. --kyler |
#3
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"Kyler Laird" wrote in message ... [snip] I've also created a simple command line tool to generate an image of any region by stitching together the chunks. I want to make it available through HTTP and XML-RPC so I've switched to working on Kyler, This will be a GREAT feature from my point of view. I fly mostly the "edges and corners" of three different sectionals. Thanks!! Cheers, John Clonts Temple, Texas N7NZ |
#4
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"John Clonts" writes:
I've also created a simple command line tool to generate an image of any region by stitching together the chunks. I want to make it available through HTTP and XML-RPC so I've switched to working on This will be a GREAT feature from my point of view. I fly mostly the "edges and corners" of three different sectionals. Thanks!! I know what you mean. A common flight for me is to Indy International, just southeast of here (Lafayette), but on the St. Louis sectional. Merry Christmas. https://aviationtoolbox.org/Members/...2&lr_lat=39.65 This is a "batteries not included" version. I don't have a signed SSL certificate for this server yet and the return image is an uncompressed GeoTIFF. It does work though. It'll be the basis for a bunch of other tools to come soon. I'm going to have to buy a color laser printer soon. Enjoy. --kyler |
#5
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Thanks Kyler! rsync worked perfectly.
Somehow the FAA forgot to send me the last batch of sectional DVDs and by the time I finally called about it they didn't have any remaining. I was told to wait for the next batch. It's here. This batch doesn't become effective until December 25, 2003, but because the previous batch has expired, I've changed the "current" link to point to the new batch. http://aviationtoolbox.org/raw_data/...onals/current/ I've gotten rid of the zip files. I didn't like having multiple versions of the data. I considered making a simple way to compress the files on the fly for HTTP transport, but I decided to try providing the files over a dedicated rsync server instead. So...if you're in a directory that has the last batch of sectionals and you want to update it, try something like this. rsync -Prvz --size-only rsync://aviationtoolbox.org/raw_data/FAA_sectionals/current/ . The "z" specifies compression and I found that it does a fairly good job with the TIFF files. If you trust me to get things right and you want to get rid of files that don't exist in the new batch you might want to use "--delete" also. Note that I have not yet created "chunks" using these new sectionals. I am still mulling over the most efficient way to do this. There are not a lot of new images, so I think I can make updates *much* quicker if I just re-crop and warp the new ones. I've also created a simple command line tool to generate an image of any region by stitching together the chunks. I want to make it available through HTTP and XML-RPC so I've switched to working on the Zope infrastructure for awhile. More on that soon. Enjoy. --kyler |
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