Got your point - very clearly. But Every time a point is rendered, does it mean that for each point all the images will be attached with the app. I mean is there a possibility that these images will be duplicated?
On Tue, Nov 17, 2009 at 10:57 AM, Jake Churchill <[email protected]> wrote: > > > Yes, that is possible but you have to remember that each image you display > will be a subsequent request to the web server. If you embed the image, you > embed it once and use it a bunch of times without subsequent requests. > > > On Tue, Nov 17, 2009 at 12:54 PM, Vivian Richard <[email protected]>wrote: > >> >> >> >> >> Is it possible to do it with out embedding the image? Just >> creating am iamge and then pointing the source of the image >> to the image component. Instead Embedding all the images. >> >> >> On Tue, Nov 17, 2009 at 10:07 AM, turbo_vb <[email protected]> wrote: >> >>> >>> >>> Just read your last post a little more. To add an Image control, first >>> create a var: >>> >>> private var myImage:Image; >>> >>> Then in createChildren(): >>> >>> override protected function createChildren():void >>> { >>> super.createChildren(); >>> >>> if ( !myImage ) >>> { >>> myImage = new Image(); >>> addChild( myImage ); >>> } >>> >>> } >>> >>> -TH >>> >>> >>> --- In [email protected] <flexcoders%40yahoogroups.com>, >>> "turbo_vb" <timh...@...> wrote: >>> > >>> > >>> > >>> > Ok 2 things, better to change the image in the set data method and then >>> invalidateDisplayList(); because updateDisplayList gets called a lot more >>> frequently than than the data changes. And for the image, add an Image >>> control to the UIComponent itemRenderer in createChildren. (remember to >>> setActualSize and position in updateDisplayList). Then when the data >>> changes, inspect it and change the source of the image to one of several >>> embedded image classes in the itemRenderer. Something like: >>> > >>> > [Embed(source="../assets/butterfly.gif")] >>> > public var myButterfly:Class; >>> > >>> > [Embed(source="../assets/grassHopper.gif")] >>> > public var myGrassHopper:Class; >>> > >>> > public function set data(value:Object):void >>> > { >>> > // perform conditional logic here >>> > // don't know your code, so psuedo >>> > if ( butterfly ) >>> > { >>> > myImage.source = myButterfly; >>> > } >>> > >>> > if ( grasshopper ) >>> > { >>> > myImage.source = myGrasshopper; >>> > } >>> > >>> > super.invalidateDisplayList(); >>> > } >>> > >>> > -TH >>> > >>> > --- In [email protected] <flexcoders%40yahoogroups.com>, >>> Vivian Richard <kanpsack@> wrote: >>> > > >>> > > Thanks for the reply. I got the logic part. In updateDisplayList I >>> get >>> > > the >>> > > data like data.item.type = spider or bee or butterfly ..... >>> > > >>> > > so depending on the type I want to show the image of the insects. But >>> > > the problem is since this itemrenderer inherits UIComponent, I cannot >>> > > or do not know how to add an image on it. >>> > > >>> > > >>> > > >>> > > >>> > > On Tue, Nov 17, 2009 at 9:28 AM, turbo_vb <TimHoff@> wrote: >>> > > >>> > > > >>> > > > >>> > > > Thanks Vivian, >>> > > > >>> > > > For the plot chart, you can do the same type of thing, except with >>> more >>> > > > images, with an itemRenderer. Just like the way you can change >>> icons, or >>> > > > images, in a List itemRenderer, the same can be done with a chart. >>> In the >>> > > > last sample, you can see how to inspect the data; to determine >>> which image >>> > > > class to display. This next < >>> http://www.timothyhoff.com/projects/ChartLabeledRendererSample/srcview/index.html >>> > >>> > > > Sample< >>> http://www.timothyhoff.com/projects/ChartLabeledRendererSample/ChartLabeledRendererSample.html >>> > >>> > > > shows how you can use an itemRenderer that extends UIComponent. >>> This is >>> > > > a little different than creating an itemRenderer that extends >>> > > > ProgrammaticSkin, as it gives you a lot more flexibility. Between >>> the two >>> > > > samples, you might be able to come up with a solution. If you get >>> stuck, >>> > > > please feel free to reach out. >>> > > > >>> > > > -TH >>> > > > >>> > > > --- In [email protected] <flexcoders%40yahoogroups.com>, >>> Vivian Richard <kanpsack@> wrote: >>> > > > > >>> > > > > Liked your example. Sleek!!! By the way I am trying to write an >>> > > > > itemrenderer >>> > > > > for plot chart. Depending on the value of the plot item I want to >>> show >>> > > > > different >>> > > > > icons in the plotted spot. These is an example of plot chart >>> where you >>> > > > > can >>> > > > > embed an image but in that way you can only put same image in one >>> series. >>> > > > > Here is the link: >>> > > > > >>> > > > > >>> > > > > >>> > > > >>> http://livedocs.adobe.com/flex/3/html/help.html?content=charts_formatting_12.html >>> > > > > >>> > > > > The butterfly example - I am talking about. >>> > > > > >>> > > > > >>> > > > > >>> > > > > On Mon, Nov 16, 2009 at 3:02 PM, turbo_vb TimHoff@ wrote: >>> > > > > >>> > > > > > >>> > > > > > >>> > > > > > Cool, yeah I should have said custom lineSegmentRenderer. >>> > > > > > >>> > > > > > >>> > > > > > -TH >>> > > > > > >>> > > > > > --- In >>> > > > > > [email protected]<flexcoders%40yahoogroups.com><flexcoders% >>> 40yahoogroups.com>, Jake >>> > > > >>> > > > > > Churchill reynacho@ wrote: >>> > > > > > > >>> > > > > > > THANK YOU. I have seen this before and I've been looking for >>> it >>> > > > forever. >>> > > > > > > The stinking chart components are all in the dataviz SWC and >>> I >>> > > > couldn't >>> > > > > > get >>> > > > > > > past a null error I was getting. >>> > > > > > > >>> > > > > > > On Mon, Nov 16, 2009 at 4:43 PM, turbo_vb TimHoff@ wrote: >>> > > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > Sorry bout that, let's try it again: Sample< >>> > > > > > >>> > > > >>> http://www.timothyhoff.com/projects/LineRendererSample/LineRendererSample.html >>> > > > > > > >>> > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > -TH >>> > > > > > > > >>> > > > > > > > --- In >>> > > > > > > > [email protected]<flexcoders%40yahoogroups.com><flexcoders% >>> 40yahoogroups.com>, >>> > > > Jake >>> > > > >>> > > > > > Churchill <reynacho@> wrote: >>> > > > > > > > > >>> > > > > > > > > I've been trying something like this but item renders and >>> actual >>> > > > > > segments >>> > > > > > > > of >>> > > > > > > > > the line seem to be drawn separately. By the way, your >>> link >>> > > > doesn't >>> > > > > > work. >>> > > > > > > > > >>> > > > > > > > > On Mon, Nov 16, 2009 at 3:35 PM, turbo_vb timh...@wrote: >>> > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > Hi Jake, >>> > > > > > > > > > >>> > > > > > > > > > You could do it with a custom itemRenderer and control >>> the >>> > > > alpha or >>> > > > > > > > actual >>> > > > > > > > > > drawing; based on a data property. Here's a custom >>> renderer >>> > > > sample >>> > > > > > to >>> > > > > > > > get >>> > > > > > > > > > you started: >>> > > > > > > > > > >>> > > > > > > > > > Colored Line Chart Sample< >>> > > > > > > > >>> http://www.flashcomguru.com/index.cfm/2009/11/11/pdf-for-flex-devs >>> > > > > >>> > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > -TH >>> > > > > > > > > > >>> > > > > > > > > > --- In >>> > > > > > > > > > [email protected]<flexcoders%40yahoogroups.com><flexcoders% >>> > > > 40yahoogroups.com>, >>> > > > >>> > > > > > Jake Churchill reynacho@ wrote: >>> > > > > > > > > > > >>> > > > > > > > > > > I'm struggling with how to hide a section of a >>> LineSeries. >>> > > > Does >>> > > > > > > > anyone >>> > > > > > > > > > have >>> > > > > > > > > > > any pointers or links to point me in the right >>> direction? >>> > > > > > > > > > > >>> > > > > > > > > > > Thanks! >>> > > > > > > > > > > >>> > > > > > > > > > > -Jake >>> > > > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > >>> > > > > > >>> > > > > > >>> > > > > > >>> > > > > >>> > > > >>> > > > >>> > > >>> > >>> >>> >> > >
