omarossim
commented
5 years ago Hello:
If you want to see a quick example, I used it in our 3-D viewer in the ossim-planet repo: ossimplanet-chip.cpp file. Here is a cut an paste of just that part of the code:
ossimRefPtr<ossimImageData> imageData = new ossimImageData(0,OSSIM_UINT8, 4, image->s(), image->t());
imageData->initialize();
imageData->loadTile(image->data(), ossimIrect(0,0,image->s()-1, image->t()-1), OSSIM_BIP);
imageData->validate();
ossimRefPtr<ossimMemoryImageSource> memSource = new ossimMemoryImageSource();
memSource->setImage(imageData.get());
ossimRefPtr<ossimJpegWriter> jpegWriter = new ossimJpegWriter();
jpegWriter->connectMyInputTo(0, memSource.get());
jpegWriter->setFilename(ossimFilename("/tmp/output.jpg"));
jpegWriter->execute();Take care
Garrett
On May 28, 2019, at 6:32 AM, ghansham notifications@github.com wrote:
Hi
I have a general raster data along with its metadata (width, height, number of bands, nullpix value and data type) as a C buffer and I want to use this data in the image chain without dumping onto the disk and going via ossimGeneralRasterTileSource route. Seems like ossimMemoryImageSource can help in this case. Kindly guide. Can illustrate an example of how to populate ossimMemoryImageSource from the afore-mentioned C buffer.
Ghansham and Tushar
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ghansham
Hi
I have a general raster data along with its metadata (width, height, number of bands, nullpix value and data type) as a C buffer and I want to use this data in the image chain without dumping onto the disk and going via ossimGeneralRasterTileSource route. Seems like ossimMemoryImageSource can help in this case. Kindly guide. Can illustrate an example of how to populate ossimMemoryImageSource from the afore-mentioned C buffer.
Ghansham and Tushar