Re: [gdal-dev] Is there an easy way to clip an image to the realdata?

2019-06-27 Thread Stephen Woodbridge
Hi Lars, Thank you for sharing your ideas and scripts. These will come in handy for the future. For this project I took a different approach of creating a master tiff and then copying the data from each patch into that master tiff. It turnsĀ  out that this was pretty straight forward in python

Re: [gdal-dev] Is there an easy way to clip an image to the realdata?

2019-06-27 Thread lars . schylberg
Hi Steve, Sorry for the late reply! I have some scripts that I developed this winter that contains a function to clip an image or images to the parts that only contains data. My aim was to create tighter tile indexes for Mapserver. I achieved good results for my use case. This will be one

[gdal-dev] Is there an easy way to clip an image to the realdata?

2019-06-20 Thread Stephen Woodbridge
Hi, I'm working with VIIRS L3U images of L2P (level 2 patches). The L3U data is gridded to the +-180 x +-90 but the patch only fills a small percentage of that. I'm compositing a the patch for a day using a vrt. Performance is an issue because all the patches cover the whole globe instead