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Open Data File
DF3 Format
DF3 format is a simple volume format used in PovRay. Because Oosawa is developed with intension to use PovRay as a renderer, the basic format for Oosawa is DF3.
The format of DF3 is very simple. Scalar value is stacked in Cartesian mesh.
About DF3 format, see an articles by Paul Boruke, for example.
Oosawa can read df3 file with unsigned byte, or unsigned short.
As for time lapse data, use sequential file name like fillows.
FluidData0000.df3
FluidData0001.df3
FluidData0002.df3
.....
In older PCs with OpenGL version smaller than 2.0, the size of the mesh must be 2^n (128x64x32 for example).
If data is too large for displaying, you can downsize the data in the reading process.
(1024x1024x1024 RGB 3D texture require 3GB video memory. Video card with such large memory is expensive in early 2010s.)
You can configure the degree of downsizing by "Down Size" panel (Source).
If time sequential data is too large for 1 HDD, you must divide them in different pathes.
Use "Append Data file" to read such long sequential data.
Sequential Images
In biological field, sequential image file format is popular for 3D volume data.Oosawa can read sequential png, or sequential tiff.
(However, many localized tiff formats exist and reading of tiff file is not so reliable. Oosawa uses wxWidgets library for image reading. Only tiff files that library can read are available.)
Oosawa read sequential image files like follows as a snapshot volume data.
ImgData0000.png
ImgData0001.png
ImgData0002.png
Currently Oosawa uses 1 channel of the image, and you can select what channel (Red, Green, or blue) to use.
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