tag:blogger.com,1999:blog-2420860529344694449.post8918783664440868435..comments2024-03-25T02:37:02.982-07:00Comments on Lin.ear th.inking: Slope/Aspect/Elevation using JTSDr JTShttp://www.blogger.com/profile/02383381220154739793noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-2420860529344694449.post-54229320268104082302011-04-08T09:13:09.338-07:002011-04-08T09:13:09.338-07:00Well, JTS has always supported a Z-value on coordi...Well, JTS has always supported a Z-value on coordinates. This provides so-called 2.5D, which isn't true 3D but is quite useful in the geospatial world.<br /><br />But you're right, there hasn't been much functionality that uses Z directly. <br /><br />It turned out to be easy to support Z values in the triangulation code, and 3D TINs are a MAJOR use case, so it totally made sense to make sure this works.<br /><br />I'll probably add some more 3D functions as time goes on - the 3D normal vector used in the SEA service is a good exampleDr JTShttps://www.blogger.com/profile/02383381220154739793noreply@blogger.comtag:blogger.com,1999:blog-2420860529344694449.post-82787021370989312592011-04-08T06:32:24.786-07:002011-04-08T06:32:24.786-07:00Martin,
I didn't realize JTS had any function...Martin,<br /><br />I didn't realize JTS had any functions that supported Z of any sort. Is this a new development or have I just been living in a cave for too long?<br /><br />Does this mean JTS Delaunay Triangulation API supports 3D TIN creation? Hmm I see - Evil genius at workAnonymoushttps://www.blogger.com/profile/11887035527816633525noreply@blogger.com