ActionScript 3.0 :: Mercator Coordinate Mapping For Dummies
Aug 1, 2009
How would I convert a point in the longitude & latitude to x and y (pixels) on a mercator-projected map, assuming I know the exact dimensions of the map (by longitude/latitude, and pixels)?
*Someone* has had to have created a class that handles such relatively basic and essential (not for me, unfortunately!) math; remapping a point, measuring the distances, etc.
Any tips? I've read some formulas (including the one here: [URL], but I admit that my math is quite poor at this level, and I've got no idea how to convert such a thing to AS, nor if there are other considerations I'm missing.
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I'm trying to achieve a fairly simple effect--a dragging a MC with inertia.
Specifically, I'm trying to get this to happen:
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3. The dragging is constricted to the X axis.
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I want to make a 3d carrousel, classic stuff. I won't be able to explain what i want so i uploaded 2 pictures. The first picture attached is what you can usually see and the second one is the effect i want...a little bit more 3d. Hope you'll understand what i mean. For now here's the code i use onEnterFrame :
[Code]....
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Nov 2, 2009
I need to familiarize myself with this technology. My problem is that Google is swamp with results for tutorials. Where should I start?
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Feb 3, 2009
[Code]...
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[Code]...
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Jun 23, 2009
I am using ZendAMF for remoting.
<?php
error_reporting(E_ALL | E_STRICT); //error reporting, not needed
require_once "Zend/Amf/Server.php"; //the zendAMF server
require_once "process.php"; //our test class
[Code]...
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Jun 6, 2011
I'm building image processing or mapping system kinda like google map except we have our own HD images so i'm not sure what is the best way to do this in .NET here is what im trying to do Mapping web application build in .NET i've High resolution images , the user first load the selected area a full scaled image should be loaded 100% (original image) then he Zoom to the area he want, then he can move around this area almost like google map
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Jul 21, 2010
i have an xml that i want to cast to a value object using the schema regitry class in flex..
so, i did sth like this :
Code:
var qname:QName = new QName(schema.targetNamespace.uri, "parameterTable");
schemaTypeRegistry.registerClass(qname, ParameterTable);
[Code]....
where the value is the xml value requested from the server using http method, i get a null value when i dbug the param content.
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Aug 26, 2010
which is the best flash mapping api (with good support and reasonable price) to use in my flash project. I have used UMapper �s Umap before but it�s too expensive for a commercial license and the support was not that good.
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Oct 13, 2009
I'm new to flash and working to embed the flash player in a .NET application. It's going "well" for the definition of "well" that adding the COM control and getting it to play a movie was easy and took about 3 minutes.What's not going well is that I cannot find documentation on the variable to string mapping used the SetParameter variable parameter. To coordinate between the apps, I want to be able to say: "flashPlayer.SetVariable("flash_variable", "value_to_set"). Obviously SetVariable does this. What's not obvious is how "flash_variable" is constructed.
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When I try this:
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Jun 26, 2009
When I login a new session is generated. How can I later know for which login the session was generated? I am getting the session value, but how do I know which user the session is for and redirect him to that page?
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Oct 28, 2011
I am building an application using Flex 4.5 and Zend_AMF as my AMF endpoint.I would like to map a class called CRequest in PHP to a class called Request in Flex.This is my php class:
<?php
namespace appweb;
class CRequest{
[code].....
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Sep 29, 2009
Dear goodness, am I the only person on the web trying to send a VO object from Flash to AMF where the properties are read only/getters? If I add a setter that does nothing but throws an Error it works. If no setting is present in Flash, it fails. Is there a way to send objects to AMF that have getters and not setters?
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Jan 22, 2010
The way my test works, I draw a path on a displacement map using the mouse, and this displacement is applied to the same image every frame (i.e., the displaced image of the last frame is displaced again). Colors are flowing along the path as they should, with one problem: the displaced pixels always turn transparent after a few seconds.At first I thought this had something to do with the DisplacementMapFilterMode, so I tried setting it to "COLOR" using an opaque bright blue, while the stage behind my warped image is a highlighter green. Nope, the FilterMode color is only used for pixels sampled off the image, while my interior pixels were turning completely transparent of their own accord. I tried removing the alpha channel from my distorted image, and then the pixels would just turn black instead of transparent.
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Code:
// "spider" is the name of a named movie clip instance containing
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[code]......
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Jan 17, 2011
I'm still having trouble mapping my as3 class to a server side class in C#. I've been through several tutorials and the official documentation butI must be doing somethiing wrong. I found that I have to use an attribute in my as3 class: [RemoteClass(alias = "FlashRemotingExample.WorkerCS")] But that is still not working.
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if it is poosible image mapping in flash like in html <maparea>? is yes means how to do that in flash?
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Sep 8, 2009
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NOTE: I use four points to make the rectangle: xLeft, yTop and xRight, yBottom
come up with some code to change the root's _x, _y, _xscale, and _yscale to fit this rectangle
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Jan 24, 2007
I've done a bit of web design work,and have used Flash a little,so familiar with the principles of the timeline, keyframing, and twining etc.The sort of thing we might be looking to produce would be similar to this site below :[url].....how technically challenging that might get,or is it the sort of thing that although looks complex, might be relatively easy to achieve armed with a reasonable understanding of the Flash principles that are driving it.
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I am have about 80% of a my website built and buttons all mapping where they should go, along with a number of XML driven BANNER ROTATORS/ACCORDIAN MENUS...ect
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[Code]...
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Oct 6, 2011
I'm using this tutorial to create buttons with displacement mapping for my simple game menu. These buttons need to be clickable; i.e. once you click on them you move to a different frame. Everything works fine on the first frame, but when I click to the next frame the displacement map disappears and will not apply to the buttons on that frame. Plus, when I click my "back" button to return to Frame 1, the displacement effect has disappeared entirely.
This is the code which is in the base "Game" class, which links to the main Flash file.
package
{
import flash.display.MovieClip;
import flash.events.MouseEvent;
[Code]....
It calls the JitteryButton class, another external class, which I don't think is the problem, but I can post if if necessary. It's very similar to the one in the tutorial. Also, I need to add different buttons on other frames of the menu, but if I call them in this external class, it doesn't recognise them.
can anyone spot why this might stop working like it does? I was thinking about instead of using "Game" as an external Actionscript file, I could actually write it into Flash as Actionscript on a layer - would this work?
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Jun 16, 2009
If I've got a bunch of plain old Objects, what's the best way to map them to a bunch of Classes?For example, if I use an HTTPService to pull in some JSON, then deserialize it, I'll have a bunch of objects which look like:
{ type: "person",
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name: "David" }
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class Person {
id:int;
name:String;
}
(also to be considered: how about some standard way of dealing with relationships between objects? For example, if the Person had an additional "spouse" field:
{ type: "person", spouse: 61, ... } // Where 61 is the ID of the spouse
)
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Sep 23, 2009
I'm working on a website using :
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- AMFPHP 1.9b
- Propel 1.3
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I'll try to focus on the problem which takes place in a whole system.To sum up, I have 2 entities (MySQL) :
create table AAA
(
id_AAA int not null auto_increment,
id_BBB int,
[code]....
I retrieve all my BBB, they are mapped from PHP classes (generated by Propel) to AS3 classes on the Flex side.But when I create a AAA row in the database.I retrieve all my BBB, and all objects are mapped EXCEPT the BBB whose id corresponds to the foreign key in the inserted AAA row.
if you know anything about how AMFPHP / Propel / Flex are dealing with Foreign Keys and why class mapping is failing right here.The weird thing is that it seems to happen only for this specific case ...
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I have an issue when consuming a web service from a Flex app. In the backend I have a hierarchy, let's say I have an abstract class Fruit, and 2 implementations: Apple and Orange. Fruit has a property, name, Apple has a property color, and Orange has a property radius. Then, I have a service wich returns a collection of Fruit. When I consume it from Flex, this collection returns objects wich type are Fruit, with its name property; but I lose all the properties for the implementation classes (color nor radius). So, the question is, does Flex support inheritance mapping when using web services? If not, is there any workarround?
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Mar 25, 2011
I have 2 java classes that are the same (imagine the getters and setters):
class ScheduledEvent {
private String eventName;
private List<eventValues> values; [code]....
Now there is a reason why there are two classes that are the same.When something is "scheduled", I should get the ScheduleEvent object and when an event is started, I should get the StartEvent object.And depending on the object I get back, I do different things.My problem is that, on the backend, it will send me the ScheduleEvent object, but once it got to the flex side (via BlazeDS), it becomes a StartEvent....
At first, I thought it's because these two events have exactly the same variables, so I tried changing ScheduledEvent by adding a dummy variable (String foobar) but that didn't seem to make a difference.
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Aug 23, 2009
I'm just coming back to toying with 3d in flash. All my previous efforts were made in AS2 so drawTriangles() is liquid-awesome to me... Still, am I right in thinking that the UV mapping of drawTriangles is only really useful for two-triangle planar evaluations? In other words, there isn't any way to pipe in the UV map data required to skin a whole model - even a simple cube - in one call to drawTriangles, is there?
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Sep 18, 2006
I'm exploring various ways to get data into a DataGrid component from a remote service. I've managed to use DataGlue to map my results to different fields the DataGrid, however what I'd like to do is use the component inspector to and bindings. The Problem i have is that I want to display only certain fields. so in the remoting connector i have this set up conn::results.items.[n].id => grid::dataProvider.[n].identifier Now I would assume that my grid would show the id in the results returned but it doesn't. I've seen a lot of posts on this so I know there are a lot of others puzzled by this.
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How to calculate the number of frames used in the timeline?
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