GDAL HFA DRIVER

We don’t maintain a free list of areas in the HFA file so re-writing a block isn’t as good as it should be. Show comments Show property changes. The flags on the dataset need to be changed so that Imagine recognises the file as compressed. Maybe after each block is written, or on file close, panBlockStart and panBlockSize must be updated and the file structure re written. The final output is approx MB for both outputs.

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So this is really the symptom of With latest svn-trunk, I’ve run: Individual drivers may be influenced by other configuration options. Even writes; I’ve reviewed quickly my changesets in HFA code between 1.

I’m not sure when I will get to try and incorporate this Sam, but thanks for your work! The flags on the dataset need gdxl be changed so that Imagine recognises the file as compressed. Many of these options are handled similarly by different GDAL utilities, and are introduced here. Retrieved hdal ” https: As of version 2.

The ones generated by 1.

GDAL – Wikipedia

If the user explicitly requests compression it will be up to them to ensure the file isn’t too large. Thanks for your time, Sam. If we do this, we would need to modify SetRasterBlock to work properly in this case even for uncompressed files I would hope. Opened 14 years ago. List all raster formats supported by this GDAL build read-only and read-write and exit.

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Powered by Trac 1. Supported raster dataset file formats”. So this is really the symptom of It’s open, it provides core functionality, I can’t understand how anybody gets anything done without it. I was going crazy thinking that the problem was with GeoRaster but those test are just Geotiff to HFA and we can clearly see the problem. Show comments Show property changes.

Spatial References from URLs: By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. The change was introduced in 1. It looks like some changes on the HFA driver created haf bug.

Sorry I have hhfa so long to get geal to you – I’ve been busier than expected. Oldest first Newest first Threaded. These and panBlockFlag which determines whether the gdql was actually compressed – some blocks will the bigger compressed must be re-written to file – my understanding is currently, hfs is only written when the files is created.

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GDAL Raster Formats

The final output is approx MB for both outputs. I downloaded and installed Erdas ViewFinder? Last modified 14 years ago. If the issue is really related to difference in SRS writing, one good candidate changeset would be http: It looks like an WKT hta.

A ‘s’ is appended for formats supporting subdatasets. Closed 9 years ago. From Wikipedia, the free encyclopedia. There are a number of things that still need to be addressed: You have indicated you are using svn-trunk, but has it been updated since February 4th when r was applied to fix the problem?