Comments (3)
Hello,
The main questions are:
- what is the precision of the data in elevation (generally it's 1 meter) ? => the answer defines the precision of gray (int16, int32, int8, int24) needed and also the number format (int, float).
- What is the organization of your data: Your int24 is he really a band of int on 3 bytes or is it 3 bands of one byte colors? How can you convert your data to elevation? => define the function to use for conversion . See here or here
from cesium-geoserverterrainprovider.
Hello,
Thanks for your responses,I have some questions:
-
If the precision of my elevation data is 1 meter, do I need int8 gray (the number of bits per pixel is 8)? Else if 0.3 meter, I need int32 and the number format is float? But what is the precision of the data in elevation, I need int16 or int 24?
-
I need define the function to convert int24 to int16 and then use your java code to convert int16 to int8? Or by modifying your code, directly convert int24 to int8?(Where do I need to modify?)
Looking forward to your reply, thank you!
from cesium-geoserverterrainprovider.
If your data have a precision of 0.3 meter, I suggest to convert your geotiff band to float32 gray.
If you have access to geoserver, you just need to install the bil/dds plugin and your geoserver will gain the capability to interpret directly the float32 gray band with gdal! Just follow my comment in the previous link
from cesium-geoserverterrainprovider.
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