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[Tikiwiki-cvs/svn] SF.net SVN: tikiwiki:[16569] trunk
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From: <sam...@us...> - 2009-02-05 14:16:22
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Revision: 16569
http://tikiwiki.svn.sourceforge.net/tikiwiki/?rev=16569&view=rev
Author: sampaioprimo
Date: 2009-02-05 14:16:09 +0000 (Thu, 05 Feb 2009)
Log Message:
-----------
[ADD] update morcego wiki3d browser to version 0.6.0
Modified Paths:
--------------
trunk/templates/tiki-browse_freetags.tpl
trunk/templates/tiki-wiki3d.tpl
Added Paths:
-----------
trunk/lib/wiki3d/
trunk/lib/wiki3d/CHANGELOG
trunk/lib/wiki3d/CREDITS.txt
trunk/lib/wiki3d/LGPL.txt
trunk/lib/wiki3d/LICENSE.txt
trunk/lib/wiki3d/README.txt
trunk/lib/wiki3d/morcego-0.6.0.jar
trunk/lib/wiki3d/pom.xml
Removed Paths:
-------------
trunk/lib/wiki3d/
Added: trunk/lib/wiki3d/CHANGELOG
===================================================================
--- trunk/lib/wiki3d/CHANGELOG (rev 0)
+++ trunk/lib/wiki3d/CHANGELOG 2009-02-05 14:16:09 UTC (rev 16569)
@@ -0,0 +1,110 @@
+Morcego Changelog
+------------------
+
+All developers are invited to add relevant changes in this file as they
+apply them to the SVN source. You can optionally include an identifer
+for the origin of the change (author, submitter, anyone involved) but
+that's not so useful as the svn log knows who adds what when.
+
+Use the following tags to distinguish changes :
+* [NEW] apply if something new was added in morcego
+* [MOD] is an enhancement; not really new but makes things work better
+* [FIX] can be used for bug fixes of any sort
+
+Version 0.6.0
+
+In v0.6 the long hours developers have invested in making xmlrpc servers won't be necessary
+anymore. It comes with a demo application, with PHP classes ready to use, ajax methods to
+dinamically load content (using xajax) and content controlled by xml files, so anyone is now able
+to make a static Morcego application by just editing these xml files.
+
+The most significant change in v0.6 is javascript communication: now nodes and links can have
+"onmouseover", "onmouseout" and "onclick" javascript events. It's a simple modification, but
+now Morcego can be really embbeded instead of being an external browser. Other important improvement
+is the camera, that does not distort border of big graphs anymore. Besides that, there are some new
+node types (Square and Triangle), link types (DashedDirectional and Invisible), applet is more stable
+and configuration is simpler.
+
+[NEW] Better integration with HTML page by generating JS events from Morcego, through "onmouseover", "onmouseout" and "onclick" node properties
+[NEW] Demo php application
+[NEW] Proper visualization for trees, implementation of node hierarchy finally working, defined by node property "level". If new boolean configuration
+ "graphIsTree" is true, a simulated wind will blow the nodes with intensity according to "windIntensity" and node level.
+[NEW] Camera algorithm rewriten, peripherical distortion avoided (and so part of graph may get out of sight). New configuration "cameraDepth",
+ the distance between the view area and the focus point behind it.
+[NEW] refresh() method to be called by javascript
+[NEW] changeParam() method to be called by javascript (not working yet)
+[MOD] Lower minimum java version requirement, now compatible with XXX (can anyone confirm the minimum version?)
+[NEW] Types "Square" and "Triangle" for nodes; "DashedDirectional" and "Invisible" for links
+[NEW] Center node position is configurable through "originX" and "originY" configuration vars
+[MOD] Node properties case insensitive. Most link properties too, just not "from" and "to".
+[MOD] Simpler width and height settings: windowWidth, windowHeight, viewWidth and viewHeight removed; width and height added, default is html element size
+[MOD] Simpler Arca logo positioning, calculated according to window size
+[MOD] Default center node size proportion is now 1, because the scale was messing with depth perception
+[FIX] proper thread control, threads now stop with the applet instead of becoming ghosts and hanging browser
+[FIX] synchronization control that would break applet
+
+
+Version 0.5.0
+
+In this version graph internal structure and xmlrpc transport were refactored so that
+links can have properties as nodes do. Now it's possible to represent different kinds
+of nodes and relations and have its physical properties to reflect some real world value.
+
+Visualization impression also got better with a more flexible camera adjustment.
+
+[NEW] Xmlrpc transport version 2, supporting properties for links
+[NEW] Configurable node and link types
+[NEW] Types "Dashed", "Directional" and "Bidirectional" for links
+[NEW] Types "Text" and "Image" for nodes
+[NEW] Mouse over on link shows description
+[MOD] More flexible camera adjustment system, controlled by minCameraDistance option
+[NEW] Configuration option centerNodeScale
+[MOD] Config variable linkColor renamed to defaultLinkColor and transportClass renamed to transport
+[MOD] New default values for windowWidth, elasticConstant, punctualElasticConstant and feedAnimationInterval
+[MOD] Configuration options adjustCameraDistance removed, viewHeight and viewWidth got obsolete
+[FIX] Balancer would not awake if it stops while user holds a node
+[NEW] Navigation controlled by javascript
+
+Version 0.4.1
+
+[FIX] Node title was being ignored
+
+Version 0.4.0
+-------------
+
+In this version code was extensively refactored. Greatest improvement is the
+new physical model that gives graph a much better visual impression.
+
+New configuration vars (check README for meaning):
+
+ - frictionConstant, new Float(0.4f));
+ - elasticConstant, new Float(0.5f));
+ - punctualElasticConstant, new Float(1f));
+ - eletrostaticConstant, new Float(1000f));
+ - springSize, new Float(100));
+ - nodeMass, new Float(5));
+ - nodeCharge, new Float(1));
+ - loadPageOnCenter, new Boolean(true));
+
+These are not used anymore:
+
+ - originX
+ - originY
+ - originZ
+ - universeRadius
+ - maxNodeSpeed
+ - linkedNodesDistance
+
+Changes:
+
+[ADD] physical model to balance graph
+[ADD] support for description box on mouse over
+[ADD] Morcego and Arca logs, optional
+[ADD] support for different transport layers, only XmlprcTransport available
+ by now
+[ADD] option to have camera distance relative to nearest node instead of
+ center, default.
+[ADD] option to open target page on every navigation, default
+[MOD] nodes pop always behind center node, to avoid hanging while rendering
+ very big nodes
+[FIX] graph instability in some cases
Added: trunk/lib/wiki3d/CREDITS.txt
===================================================================
--- trunk/lib/wiki3d/CREDITS.txt (rev 0)
+++ trunk/lib/wiki3d/CREDITS.txt 2009-02-05 14:16:09 UTC (rev 16569)
@@ -0,0 +1,24 @@
+CREDITS: 2007/03/19
+http://morcego.arca.ime.usp.br
+
+This software is developed mainly by Arca (http://arca.ime.usp.br), a Free Software
+development group from Brazil:
+ - Luis Fagundes, developer and mantainer
+ - Alexandre Freire and Christian Asmussen, the java masters! :-)
+ - Fernando Freire, physical modeling
+ - David Horat developed image nodes
+ - Renato Lopes designed the logo
+ - Pedro Saito designed the Morcego poster for Wikimania 2005
+ - Fabio Mathias helped me fix a bug
+ - Everybody from Arca who tests the software and sends sugestions
+
+Special thanks for the TikiWiki community who inspired this software and tests it.
+
+There were also hired developers from www.rentacoder.com:
+ - Devapi D. wrote an initial code example from which the project could be started.
+ - Ales Pucelj fixed the problem with XmlRpcClient that wouldn't allow applet to run in browser. (v0.3)
+
+ Sponsors
+ - Carlos Seabra paid the initial code example from Devapi D.
+ - Sight Educacao & Comunicacao sponsored most of the development of version 0.3
+
Added: trunk/lib/wiki3d/LGPL.txt
===================================================================
--- trunk/lib/wiki3d/LGPL.txt (rev 0)
+++ trunk/lib/wiki3d/LGPL.txt 2009-02-05 14:16:09 UTC (rev 16569)
@@ -0,0 +1,504 @@
+ GNU LESSER GENERAL PUBLIC LICENSE
+ Version 2.1, February 1999
+
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+decision will be guided by the two goals of preserving the free status
+of all derivatives of our free software and of promoting the sharing
+and reuse of software generally.
+
+ NO WARRANTY
+
+ 15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
+WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
+EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
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+AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
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+LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
+RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
+FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
+SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Libraries
+
+ If you develop a new library, and you want it to be of the greatest
+possible use to the public, we recommend making it free software that
+everyone can redistribute and change. You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of the
+ordinary General Public License).
+
+ To apply these terms, attach the following notices to the library. It is
+safest to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the library's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Also add information on how to contact you by electronic and paper mail.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the library, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the
+ library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+ <signature of Ty Coon>, 1 April 1990
+ Ty Coon, President of Vice
+
+That's all there is to it!
+
+
Added: trunk/lib/wiki3d/LICENSE.txt
===================================================================
--- trunk/lib/wiki3d/LICENSE.txt (rev 0)
+++ trunk/lib/wiki3d/LICENSE.txt 2009-02-05 14:16:09 UTC (rev 16569)
@@ -0,0 +1,16 @@
+Morcego - 3D network browser
+Copyright (C) 2007 Luis Fagundes - Arca <lfa...@ar...>
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Added: trunk/lib/wiki3d/README.txt
===================================================================
--- trunk/lib/wiki3d/README.txt (rev 0)
+++ trunk/lib/wiki3d/README.txt 2009-02-05 14:16:09 UTC (rev 16569)
@@ -0,0 +1,533 @@
+Morcego 3D Network Browser - v0.6.0
+http://morcego.arca.ime.usp.br
+-----------------------------------
+
+Morcego is a java applet for visualizing and browsing graphs (networks)
+in 3D. You can use it to make 3D mind maps. It can be embedded in web
+applications and it's goal is to become a visualization framework.
+
+The job of integrating Morcego to your website is becoming easier each version
+If this documentation is not enough, don't be afraid to send a message to
+developers mailing list at mor...@ar.... We hope you have as much
+fun using Morcego as we do by coding it :-).
+
+Morcego is licensed under GNU LESSER GENERAL PUBLIC LICENSE (LGPL).
+
+This documentation is divided in three parts: first one is about using applet,
+second on how to embbed Morcego in other applications and finally how to upgrade
+to v0.6.0.
+
+This document is divided in the following sections:
+
+1 - Using the applet
+2 - Embedding applet in application
+2.1 - Making a server
+2.1.1 - Making a static mindmap
+2.1.2 - Integrating to your PHP application
+2.1.3 - Developing your own XMLRPC server
+2.1.4 - Creating a new transport layer
+2.2 - Properties for nodes and links
+2.3 - Javascript integration
+2.4 - Applet configuration
+3 - Upgrading
+3.1 - From v0.5 to v0.6
+3.2 - From v0.4 to v0.5
+3.3 - From v0.3 to v0.4
+
+1 - USING THE APPLET
+
+Once Morcego applet window opens, you'll see (after loading, that
+may take some moments) an animation of little balls connected to each
+other in a network getting arranged in space - a cool effect by the way ;-).
+
+The possible actions:
+
+ * ROTATE - Drag mouse on empty space and you'll be able to see the graph
+ from different angles. If you drag fast and relase, like throwing,
+ the graph will keep spinning.
+
+ * GET INFO - Put the mouse cursor over a node, and it will become a hand. If
+ there's more info about that node, a description box will appear.
+
+ * NAVIGATE - Click on a node and it will go to center. When you do that, the
+ new neighbourhood will appear in a few moments (wait a bit for
+ the info to come from server). Clicking on center node will
+ open the node URL in browser window.
+
+ * MOVE NODE - Click on a node and drag to move it. The graph will balance
+ itself as you move. This is useful to see how a node influences
+ the whole network.
+
+2 - EMBEDDING APPLET IN APPLICATION
+
+For integrating Morcego applet in your web application, you need an special Morcego server
+to feed the applet with graph data. This is usually done with XMLRPC, the only transport
+way available until now (check section 2.4 on how to implement other ways).
+
+Implementing this used to be a tough task, but since v0.6 Morcego comes with a demo application
+and a set of PHP classes for integration with other softwares. You have several options, depending
+on your technical skills and time available. You can:
+
+* Make a static mindmap website by editing some XML data files and templates
+* Implement your own server in PHP to make a dynamic map, by extending a PHP class
+* Develop a XMLRPC server that implements Morcego's protocol in any language you wish
+* Make a new transport layer in java, by extending a java class and creating a server to feed it.
+
+2.1 - MAKING A SERVER
+
+2.1.1 - MAKING A STATIC MINDMAP
+
+If you don't have much technical skills, but would like to make an online mind map, you can do one
+by editing some XMl files and putting a simple application in a webserver with PHP:
+
+* Copy demo/ to a directory in your web server, let's say /var/www/morcego_demo for example.
+* Copy morcego-$VERSION.jar and php/Morcego to /var/www/morcego_demo
+* Give permission to your web user to write to /var/www/morcego_demo/templates_c
+* Open a browser and check the results
+* Take a look at the XML files under templates/data directory. Edit them to customize the mindmap.
+* Check also the .tpl files at templates/ dir. Modify those to customize the layout. For help on that, check http://smarty.php.net
+
+2.1.2 - INTEGRATING TO YOUR PHP APPLICATION
+
+Morcego also comes with a set of PHP classes to make your own server. You'll need two files: your server (let's call it server.php),
+a php file available through HTTP, and a subclass of Morcego_Graph (let's call it MyGraph)
+
+* server.php
+
+Very simple, check demo/server.php on how to do that. All you need to do is create a Morcego_Graph object (note that Morcego_Graph is an
+abstract class and must be subclassed) and use it to instantiate a Morcego_Server object.
+
+* MyGraph
+
+This is the core of your server. You must implement the method getNode($nodeId), that takes the nodeId and returns a data structure
+containing all relevant data about node with id $nodeId and the links it has to/from other nodes.
+
+The data structure has the exact same format of the getSubGraph() method (explained below at 2.3), but you usually want to return
+only one node in "nodes" section. I say usually, because it might be useful to return a bigger set of nodes and links, for example
+in raw XMl server used by the demo: you might want to defined many nodes in one XML files to make your job easier (note that in the
+demo you can't start your navigation in some of the nodes that doesn't have it's own XMl file).
+
+2.1.3 - DEVELOPING YOUR OWN XMLRPC SERVER
+
+The XMLRPC server should implement two methods:
+
+ * integer getVersion()
+
+This method returns the XMLRPC protocol version. Current version is 2, so if you're
+implementing the server according to instructions below, this method should return "2".
+In case this method is not present, version 1 is assumed, and so data structure for
+older versions of Morcego (0.4 and below) will be expected.
+
+ * struct getSubGraph(string nodeId, int depth)
+
+This method returns a part of the graph containing the node with id
+nodeId and all nodes with distance lesser or equal than depth.
+The returned struct must be as follow, {} indicates structs and []
+arrays, fields marked with * are optional (see section below for complete
+list of properties)
+
+{
+ nodes => {
+ nodeId => {
+ * type => "Round",
+ * color => "#FF0000",
+ * actionUrl => "http://...",
+ * description => "node description, shown in box",
+ },
+ node1Id => {},
+ node2Id => {...}
+ }
+ links => [
+ {
+ from => "nodeId",
+ to => "node2Id",
+ * type => "Solid"
+ },
+
+ {
+ from => "nodeId",
+ to => "node1Id",
+ * type => "Dashed"
+ }
+
+ ]
+}
+
+2.1.4 - CREATING A NEW TRANSPORT LAYER
+
+You can do so by creating a new java class in package br.arca.morcego.transport package that implements Transport.
+Your class must have the word "Transport" at end, because it will be appended to the parameter "transport" to
+obtain the class name.
+
+You have to implement two methods (check interface):
+
+* setup: will be called once
+
+* retrieveData: will be called once on start and everytime user navigates. The format of hash returned is the same described
+ above in getSubGraph() from xmlrpc server.
+
+2.2 - PROPERTIES FOR NODES AND LINKS
+
+ Each NODE can have the following properties:
+
+ * type: "Round", "Square", "Triangle", "Text" or "Image".
+ Round nodes are represented by balls with a title above (that can be empty).
+ Square and Triangle have similar behavior, but with other forms
+ Text nodes have just the title.
+ Image nodes are represented by image defined by "image" property, an url.
+
+ * title: Name of the node, that will appear above Round, Square and Triangle nodes, or will
+ be the text in Text nodes.
+
+ * actionUrl: The URL that will be loaded by this node, in window defined by applet param
+ "controlWindowName".
+
+ * description: Text that will show when mouse passes over the node
+
+ * onClick: Javascript code to be executed when user clicks the node. This can substitute
+ (NEW) actionUrl with an ajax call, for example (but both can be used).
+
+ * onMouseover and onMouseout: Javascript code to be executed when user passes mouse over and
+ (NEW) get out the node. This can substitute "description" above (but
+ can be used together).
+
+ * color: Overrides nodeDefaultColor and defines the color of node if it's Round, Square or Triangle.
+
+ * charge: Overrides nodeCharge configuration and sets the eletrostatical charge of
+ the node. Bigger values will put this node far from others.
+
+ * mass: Overrides nodeMass configuration and sets the mass of the node. Bigger
+ values will give more inerce to the node and make it move slower.
+
+ ** NOTE: in v0.4 "charge" and "mass" were called "bodyCharge" and "bodyMass". v0.5 README file
+ lacked documentation about the renaming.
+
+ * level: If your graph is an hierarchical tree, then setting the level will force nodes of higher levels
+ (NEW) to be positioned in far from lower level nodes. Since this implies using conflicting forces to position
+ nodes, you need very fine tunning of physical constants to avoid extreme graph instability (see windIntensity
+ applet parameter).
+
+ Each LINK can have the following ones:
+
+ * type: "Solid", "Directional", "Bidirectional", "Dashed", "DashedDirectional" and "Invisible"
+ Solid links are solid lines from one node to another.
+ Directional is solid with an arrow from one to other.
+ Bidirectional has arrows in both ends.
+ Dashed is a dashed line.
+ (NEW) DashedDirectional is a dashed line with an arrow.
+ (NEW) Invisible do not appear, just influences the balancing.
+
+ * from (mandatory): The id of the node at one end.
+
+ * to (mandatory): The id of the node at other end.
+
+ ** NOTE: the order of "from" and "to" only matters for "Directional" and "DashedDirectional" type of link.
+
+ * description: Text that will show when mouse passes over the link.
+
+ * color: Overrides linkDefaultColor and defines color of link.
+
+ * onClick, onMouseover and onMouseout: same as node's properties with same name, execute js code on these events.
+ (NEW)
+
+ * springSize: Overrides springSize configuration option for this link and sets its size.
+ Bigger values will put nodes far from each other.
+
+ * springElasticConstant: Overrides elasticConstant configuration option for this link.
+ Bigger values will lower variation between springSize and final size.
+ Smaller values will make animation smoother.
+
+2.3 - JAVASCRIPT INTEGRATION
+
+Besides the JS calls from applet shown above, you can use javascript to call the following applet's methods:
+
+* navigateTo(nodeId) - navigate to node with id nodeId, simulates user click on node.
+
+* refresh() - reloads applet data from server
+
+* changeParam(varName, value) - dinamically changes one of applet's param (APPARENTLY NOT WORKING YET,
+ ask the developers to give special attention to this if you need it ;-) )
+
+2.4 - APPLET CONFIGURATION
+
+There are configuration variables on Config class, every var can be overrided
+by an applet param with same name. The only ones that you must override
+are serverUrl and startNode. All variables:
+
+ - serverUrl (string): Full URL of XMLRPC server. MANDATORY
+ - startNode (string): ID of the starting node. MANDATORY
+
+ Colors and layout settings
+
+ - showMorcegoLogo (boolean): default true
+ Show software's logo on position below
+ - logoX (integer): default 10
+ - logoY (integer): default 10
+
+ - showArcaLogo (boolean): default true
+ Show deverlopers' logo on position below, bottom right corner by default
+ - arcaX (integer): default width - 127
+ - arcaY (integer): default height - 40
+
+ - originX (integer): default width/2
+ - originY (integer): default height/2
+ (NEW) Origin's coordinates had to be configured manually in v0.3, then in v0.4 these
+ parameters were removed and since v0.6 they're again available for configuration.
+ It might be useful to change the center of the graph in case graphIsTree is set to true.
+
+ - backgroundColor (color): default #FFFFFF
+
+ - linkDefaultType (string): default "Solid"
+ Can also be any of link types defined above.
+ Overrided by property "type" of each link.
+
+ - linkDefaultColor (color): default #787878
+
+
+ - nodeDefaultType (string): default "Round"
+ Can also be any of node types defined above.
+ Overrided by property "type" of each node.
+
+ - nodeDefaultColor (color): default #FF0000
+
+ - nodeDefaultImage (string or url): default "default.gif"
+ This is used for nodes of type "Image".
+ default.gif is packaged with applet, you should put an url here.
+ Be careful, images take a lot of cpu, use very simple ones.
+
+ - nodeBorderColor (color): default #000000
+
+ - textSize (integer): default 25
+ Size of text in node
+ - nodeSize (integer): default 15
+ Size of the node
+ - minNodeSize (integer): default 0
+ Minimum size of node, 0 will make far nodes disappear
+ - centerNodeScale (float): default 2
+ Proportion of center node, to put it in more evidence than others.
+
+ - descriptionColor (color): default #282828
+ Color of text in node's description box.
+
+ - descriptionBackground (color): default #c8c8c8
+
+ - descriptionBorder (color): default #000000
+
+ - descriptionMargin (integer): default 4
+ Margin around text in description box.
+
+ - width (integer): default is to automatic get from browser
+ - height (integer): default is to automatic get from browser
+
+ (NEW - width and height substitute viewWidth, viewHeight,
+ windowWidth, windowHeight, viewStartX and viewStartY)
+
+ Camera configuration
+
+ - cameraDistance (integer): default 500
+ Distance from camera to center node.
+
+ - cameraDepth (integer): default 250
+ (NEW) Distance from camera screen to its focus
+
+ - minCameraDistance (integer): default 150
+ Minimum distance from camera to nearest node.
+ In case a node get too near, cameraDistance is increased.
+
+ - fieldOfView (integer): default 250
+ The greater fieldOfView is, bigger is everything.
+
+
+ Physical constants used to balance the graph. For best position, Morcego uses a physical
+ simulation in which each node is an eletrical charge with mass and no dimension, each
+ connection is a spring and whole system is in a viscose environment. Nodes are leveled
+ by a simulated wind in case graphIsTree is set to true.
+
+ - frictionConstant (float): default 0.4
+ Small values increases the time for graph to get
+ balanced, while very big values will make the whole
+ process very slow.
+
+ - elasticConstant (float): default 0.3
+ This is the default elastic constant for links, smaller values will
+ make movements smoother but graph will take more time to balance.
+ Overrided by property with same name for each link.
+
+ - punctualElasticConstant (float): default 0.8
+ Elastic constant of spring that will move some node to center
+ when it's clicked. The smaller this value, the smoother is the
+ navigation.
+
+ - eletrostaticConstant (float): default 1000
+ Bigger values will put nodes far from each other.
+
+ - springSize (float): default 100
+ Bigger values increase the distance of nodes
+
+ - nodeMass (float): default 5
+ Bigger values increase the inerce of system
+
+ - nodeCharge (float): default 1
+ Bigger values increase the strengh of repulsion of nodes
+
+ - windIntensity (float): default 10
+ (NEW) Intensity of wind that will level nodes in case graphIsTree is
+ true. Low values won't give the desired impression, high values
+ will cause extreme system instability. You'll need fine adjustment
+ of all physical constants to use this.
+
+ Rotation angle limits. These configure mouse sensitiveness for rotating the graph.
+
+ - maxTheta (float): default 20.0f
+
+ - minTheta (float): default 1.0f
+
+ Performance X Quality options
+
+ - renderingFrameInterval (integer): Delay between each frame of animation, in miliseconds.
+ default 50.
+
+ - balancingStepInterval (integer): Interval between each calculation of forces to
+ balance the graph, in miliseconds. Increase will
+ raise performance and lower animation quality.
+ default 50.
+
+ - fontSizeInterval (integer): Looks like font rendering is cached, so that if a lower
+ number of font sizes are rendered the performance is
+ better. Increasing this number will increase performance
+ but lower text depth impression. default 5.
+
+ General configuration
+
+ - graphIsTree (boolean): default false.
+ (NEW) This determines if a wind should blow the nodes to in one direction
+ according to its "level" property. You'll need fine adjustment of
+ physical constants to get a good visual tree disposition.
+
+ - transport (string): default "Xmlrpc"
+ Kind of transport layer used, xmlrpc is the only one at moment.
+
+ - feedAnimationInterval (integer): default 100
+ Time between appearance of each node, in milisecs.
+
+ - loadPageOnCenter (boolean): default false.
+ If set to true, target page will be loaded on browser
+ when user navigates to node. Since v0.6 you'd probably
+ prefer to use node's onClick property.
+
+ - navigationDepth (integer): default 3
+ The distance from farest node to center. The bigger it
+ is, more nodes will be fetched around center.
+
+ - controlWindowName (string): default "morcegoController"
+ Name of window in which URLs should be loaded.
+ This only has any effect if the nodes have an actionUrl
+ set by server.
+
+
+3 - UPGRADING
+
+3.1 - Upgrading 0.5 -> 0.6
+
+To upgrade from v0.5 to v0.6, put morcego-0.6.0.jar in place of morcego-0.5.0.jar and check below
+the changes made in applet that may affect your application:
+
+ - Configuration variables changed
+
+ * viewWidth, viewHeight, windowWidth, windowHeight, viewStartX and viewStartY got obsolete.
+ Now you should use just width and height, starting point is always at (0,0) and the default
+ values are obtained from browser. Be aware that keeping the default might not work correctly
+ in some MacOS versions.
+
+ - New default values
+
+ * nodeSize: 15 instead of 30
+ * textSize: 25 instead of 40. NOTE: nodeSize and textSize default values were changed in v0.5,
+ but the changed was not documented.
+
+ * centerNodeScale: 1 instead of 2 (this scale was messing with depth perception)
+ * fieldOfView: 250 instead of 200
+ * elasticConstant: 0.3 instead of 0.5 (more smooth)
+ * loadPageOnCenter: false instead of true (now it's better to use node's onClick property)
+
+ - New configuration options
+
+ * graphIsTree
+ * windIntensity
+ * cameraDepth
+ * originX
+ * originY
+
+
+3.2 - Upgrading 0.4 -> 0.5
+
+To upgrade from v0.4 to v0.5, put morcego-0.5.0.jar in place of morcego-0.4.jar and check below
+the changes made in applet that may affect your application. You can remove xmlrpc jar file, it's
+now packaged in morcego's jar. If you want to benefit from new features like link properties,
+dashed and directional links, you have to implement in your server the new version of XMLRPC
+transport protocol. For that, check "EMBEDDING APPLET IN APPLICATION" section above.
+
+ - Configuration variables renamed
+
+ * linkColor: renamed to linkDefaultColor
+ * transportClass: renamed to transport.
+ The suffix "Transport" in this configuration is not used anymore.
+
+ - New default values
+
+ * windowWidth: 600 instead of 500
+ * elasticConstant: 0.3 instead of 0.5
+ * punctualElasticConstant: 0.8 instead of 1
+ * feedAnimationInterval: 100 instead of 500
+
+ - Removed options
+
+ * adjustCameraPosition: this got obsolete with new minCameraDistance, that makes camera adjustment
+ more flexible. If you want behaviour of adjustCameraPosition, just set
+ minCameraDistance to same value as cameraDistance.
+
+ * viewHeight, viewWidth: these are not really gone, but they now default to windowHeight and windowWidth, so
+ you don't have to configure them anymore. Right now it's useless to define a view
+ smaller than window.
+
+ - New configuration options
+
+ * minCameraDistance: defines the minimum distance of the camera from any node. Use this instead of
+ adjustCameraPosition.
+ * centerNodeScale: see above
+
+3.3 - Upgrading 0.3 -> 0.4
+
+To upgrade from v0.3 to v0.4.0 you basically have to:
+
+ 1- put morcego-0.4.0.jar in place of morcego-0.3.jar
+
+ 2- Check if you have configured any of these variables:
+
+ * ballBorderColor: renamed to nodeBorderColor
+
+ * minBallSize: renamed to minNodeSize
+
+ * cameraX, cameraY, cameraZ: all three substituted by cameraDistance. Note the new
+ variable adjustCameraPosition.
+
+ 3- Check if any of these new behaviour bothers you and change them as desired:
+
+ * Having software logo and developer's logo in screen. You might have to configure
+ arcaX and arcaY if your window is not default size.
+
+ * Now camera distance is relative to plane of nearest node instead of fixed origin.
+ Disable adjustCameraPosition to fix...
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