Nope, WKT just spits out whatever's in the geometry - it doesn't try and remove repeated points. Maybe the ASCII decimal text in the WKT doesn't precisely...
144
bit bot
bitbot_2000
Oct 25, 2002 3:07 am
... Found it! You're right -- the WKT doesn't contain Z values! My polygons are all at z=0, except one vertex on one poly is NaN. The code below will crash...
145
Martin Davis
mbdavis@...
Oct 25, 2002 4:02 pm
Good testing, B. I'll have a look at this and see what's going on... Martin Davis, Senior Technical Specialist Vivid Solutions Inc. Suite #1A-2328 Government...
146
Petio Zaffirov
pzaffirov
Nov 12, 2002 11:34 am
Hello folks, We are happy to announce a new version of Technologica Internet Map Server (TIMS). TIMS uses an adopted vesrion of the JTS for performing...
147
Aleksandar Milanovic
risjak
Nov 14, 2002 8:40 pm
Hi All, In light of the recent announcements of products using JTS, it is appropriate to mention that Galdos Cartagena Web Feature Service (WFS) uses JTS for...
148
Per Låås
per.laas@...
Dec 2, 2002 3:06 pm
Can I use ESRI shape files with JTS? Is there an easy way to work on ESRI shape files using JTS? Per...
149
Martin Davis
mbdavis@...
Dec 2, 2002 9:23 pm
The shape model in ESRI shapefiles aligns nicely with JTS, so there's no problem there. What you need is a driver that will read shapefiles into JTS...
150
Skara.Brae@...
Dec 3, 2002 5:13 pm
Hello, Since i did not find any information about this problem with google and it deals with a geometric algorithm i post this question here. Given a JTS...
151
Martin Davis
mbdavis@...
Dec 3, 2002 6:10 pm
Heiko, Can you send an illustration to clarify what you are trying to do? I'm guessing that what you are wanting to do is to construct something usually called...
152
Martin Davis
mbdavis@...
Dec 3, 2002 6:17 pm
Another thought on this... Would your requirement be satisfied by the existing buffer geometry, if there was an easy way to generate only the portion of the...
153
Skara.Brae@...
Dec 4, 2002 7:47 am
Thanks for your input. "Offset Curve" is the correct term for what i'm trying to do. With this i found some interesting articles i may look into. But i will...
154
Skara.Brae@...
Dec 4, 2002 8:03 am
Having looked into the BufferLineBuilder source (JTS1.2 release), there is one thing i do not understand in the computeLineBuffer method : ... // compute...
155
Aron Olsen
aronolsen
Dec 4, 2002 8:35 am
Note: Second call receives points in reversed direction. Aron. ... From: Skara.Brae@... [mailto:Skara.Brae@...] Sent: 4. december 2002 09:04 To:...
156
Skara.Brae@...
Dec 4, 2002 1:08 pm
I tried this approach and it works well for most cases. But there is a problem with the inside turn, when the two offset segments do not overlap (I attached...
157
Martin Davis
mbdavis@...
Dec 4, 2002 8:44 pm
Yeah, I started thinking about this problem too after I replied to your email. Guess I'm not surprised it's not as easy as all that - as you've probably seen,...
158
Steve
williams2588@...
Dec 15, 2002 10:18 pm
Hello, I am trying to read a GeometryCollection from postgis using the code below but get the following error on compilation: TestJTS.java:33: Method...
159
tommaso.nolli@...
tom_0002002
Dec 16, 2002 8:51 am
Hello, Thi is not a JTS problem, it's java.... You have to import java.io.* in order to use the Reader class; so, after the package declaration (if any) add...
160
Steve
williams2588@...
Dec 17, 2002 12:51 am
Actually my mistake was even more embarrassing than leaving out imports (I just missed those when I pasted my code to the message). The real compilation...
161
JohnNewton
Dec 17, 2002 1:09 am
I am about to start using the Geometry.buffer() on many large geometries, including aggreates of many point, lines, and polygons. I will be evaluting the...
162
Martin Davis
mbdavis@...
Dec 17, 2002 1:14 am
Perfect! Go to it and send out the results! Unfortunately, I don't know of any existing statistics for performance on large objects. I do know there are some...
163
JohnNewton
Dec 17, 2002 1:24 am
I'll send you my results, and any geometries that I detect have problems. On another note, I would like to create an aggregate union of, say 10000 lines, or...
164
Martin Davis
mbdavis@...
Dec 17, 2002 1:32 am
For linestrings, I think the faster method would be to accumulate them all into a MultiLineString and buffer that. However, that may not be as robust as...
165
JohnNewton
Dec 17, 2002 1:41 am
It's needed for two reasons, the first is in fact solveable by within distance. However we also want to display the buffer and the geometries within distance....
166
Martin Davis
mbdavis@...
Dec 17, 2002 1:44 am
If it's just for display, can't you display the individual buffers of the separate buffers, rather than a single enormously complicated buffer geometry? I'm...
167
zhangxun75
zhangxun75@...
Dec 27, 2002 5:07 pm
Does jts provide any file handling functionalities?...
168
Martin Davis
mbdavis@...
Dec 27, 2002 6:30 pm
Not specifically. It does provide a WKT parser, however, and it's fairly easy to bolt that into a file reader to allow reading files of WKT. Martin Davis,...
169
James Macgill
jrmacgill
Dec 27, 2002 7:06 pm
... GeoTools 2 uses JTS for its geometry core and provides support for reading Shapefiles, MIF/MID and GML files as well as connections to PostGIS and MySQL. ...
170
tommaso.nolli@...
tom_0002002
Dec 27, 2002 8:48 pm
I will be out of the office starting 24/12/2002 and will not return until 07/01/2003. Risponderò al messaggio al mio ritorno....
171
zhangxun75
zhangxun75@...
Dec 30, 2002 4:23 pm
Thanks James, I have a few more questions: 1. In GT2 source code, I didn't see the source code for JTS geometry, just have something like: import...
172
Feng Gao
feng_gao_1978@...
Dec 30, 2002 8:49 pm
I couldn't find it under jts source code directory. Can sb. tell me how to draw the geometry object to the panel? Thanks...