Some philosophical babbling about terrain modeling One way to define the "GIS terrain modeling problem" is to say how it is different from the modeling problems that ...
Place to keep track of (and argue about) flag names Common flags $ i: input file or format including spa, smb, txt, raw f, raw d, tgz ... $ o: output file or format ...
TOC Introduction The modules described in this document are designed to process very large, unstructured point sets and meshes on commodity processors, using novel ...
Dijkstra based reordering Reorders vertices using the Dijkstra method with A-star heuristic. The heuristic distance function is euclidean distance. The vertices are ...
Dijkstra's method with A-star heuristic Computes shortest path between given source and target using !Dijkstra's method with A-star heuristic. Computes shortest paths ...
Dijkstra based reordering Reorders vertices using the Dijkstra method with A-star heuristic. The heuristic distance function is euclidean distance. The vertices are ...
Filtering and Binning with spfilter Shawn Brown will put some information here about this demo. Until he does: What this program (spfilter) does is to average the ...
General Tips on Comments Comments should tell the input, output, preconditions, invariants, motivation. Don't worry about how, but concentrate on defining what the ...
Grid Filter Demo This demo shows how to use the Grid Filter on the "Ottawa" data set Steps 1 2. Build Ottawa Point Cloud Data set See the StartHere Demo. Step 3. ...
Layout Guide based on information found in the book Code Complete 2.0, chapter 31 (Layout) Objectives: (of a good layout style) Logical Structure Layout accurately ...
Naming Conventions Adapted from the book "Code Complete 2.0", chapter 11 TOC Naming Conventions Why Have Conventions? Often having a convention is better than having ...
order Takes a point on a 3D mesh, and then reorders all vertices around that point in a spiral order. The first step in calculating shortest paths. Example usage ...
Suppose that you want to send someone a sequence of points that determines a terrain. You'd like to send the most important points first. How do we order points from ...
I would like us to collect research project descriptions here, and when someone takes over a research project, they can create a TWiki.WikiWord for it and give it ...
TMV ReadingGroup Meeting time: Mondays, 2:30pm, sn252 Goal: share good papers in terrain modeling and visualization so that we have some common background for our ...
Reordering Reorders vertices of a point cloud by projecting them onto the X-Y plane and computing distances between the projection of each vertex and the projection ...
TOC This is a miscellaneous collection of papers that have been added to the wiki, beginning with the most technically relevant. Papers from project members shortest ...
RingFilt A state machine based filtering program that fits a surface to the one-ring or two-ring of triangles around each point and filters away points triangles ...
Comparing shortest path methods Overview We will discuss the problem of finding the shortest path between two points on a terrain. Terrains can be represented in ...
TOC Calculating Shortest Paths Note: The interface to the shortest path computations have changed so and sm path are now the modules, but these remain the approaches ...
TOC Simplex Splines Simplex splines generalize the familiar B-splines in one dimension. A k degree B-spline basis is defined for a set of k+2 points in R called knots ...
sl2sl Converts one streaming line format to another. It is particularly useful to create tilings of lines and produce KML files that can be displayed in google earth ...
sm2sm Software that can compress meshes on-the-fly in whichever triangle order they happen to be in. It can do so in a completely lossless manner if that is really ...
SM PATH Computes shortest path between given source and target vertex. Dijkstra's method is used for finding approximate shortest path while !MMP method is used for ...
sm viewer An !OpenGL-based viewer that allows you to look at a streaming mesh and also helps illustrating the "stream quality" of the mesh. First of all you can watch ...
TOC Ottawa Demo Preliminaries Goal We were given a 5x5 set of tiles of OttawaData, consisting of 905 megabytes of point cloud data captured by NEPTEC. The data is ...
Streaming Compression The idea of streaming meshes is to organize the data structure so that a large mesh can be accessed seamlessly by a fixed traversal while keeping ...
Streaming Modules TOC Most of our software tools for large data sets are modules that can be composed with pipes in Windows or UNIX (including Mac and Linux). Click ...
TOC We process large point sets and meshes with StreamingModules. The documentation there has lots of example scripts for demos. This page will include some of the ...
This page is meant to give a directory centric overview of our code base TMV Main Root (or main trunk) of entire TMV code base apis root of TMV API's archive archival ...
This page is meant to give a file-centric overview of our TMV code base. We should eventually write a script utility to automatically generate this from the SVN code ...
This page contains a list (and brief description) about each tool currently in our TMV code base. A tool is meant to do a useful task (or set of closely related tasks ...
TOC Coding for Streaming Delaunay I propose to use this page as a place to record observations and progress. I'll start with some general ones, and ask you to fill ...
Random notes on extending Chris' visualization tool Main.JackSnoeyink 15 Mar 2006 TOC VisTRE 3DPVT submission describes the first prototype visualization tool in ...
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