问题
I am just wondering what kind of computing/programming language/frameworks are needed to produce images such as the one in http://www.erdas.com/ ?
Programmatically, how does one produce the general spatial analysis images ?
ps: I use java most of the time.
Thanks
回答1:
First of all, uDIG, OpenJUMP (not sure about this) cannot process images in a way that ERDAS can. These softwares are great, but they do not have extensive raster funcionality.
You need to take a look at GDAL, which covers a bunch of languages and can manipulate imagery.
http://www.gdal.org/
As we speak the PostGIS team is building most of PostGIS WKT Raster funcionality on top of GDAL. It is a fantastic tool and consolidated library.
回答2:
I'm not sure which image do you mean, but geospatial images can be manipulated by software called GIS. Examples in Java are:
- OpenJUMP
- uDig
and a spatial manipulation library:
- GeoTools
回答3:
You need to obtain the imagery from a provider and then you analyze it with various tools. For raster you could also look at sextante as a raster analysis library written in Java.
The tools mentioned above are the two best Java Desktop options unless you speak spanish and then I would reccomend gvSIG.
来源：https://stackoverflow.com/questions/2537650/image-manipulation