zooming

How do I suppress window mouse wheel scrolling...?

I'm working on a canvas app embedded in a page. I have it so you can zoom into the drawing with the mousewheel but unfortunately this scrolls the page as it is part of an article. Is it possible to prevent mousewheel scrolling on the window when I'm mousewheeling on a dom element?! ...

How do I reset after a UIScrollView zoom?

I have a Graph being drawn inside a UIScrollView. It's one large UIView using a custom subclass of CATiledLayer as its layer. When I zoom in and out of the UIScrollView, I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However, the Graph redraws itself at the new zoom level, ...

how to implement my own zooming but still have access to the UIScrollView's scrolling?

I would like to use the scrolling/panning functionality of the UIScrollView but I would like to handle all the zooming and scaling myself. My current plan is to have a viewController that owns a UIView (I'll call it view1) with multiple UIViews and UIScrollViews as children. Is it possible for view1 to handle all multi-touch events (in ...

WPF Datagrid zoom issue

I'm working with the WPF DataGrid from the WPFToolkit and I'm having issues with trying to zoom the entire datagrid. My initial thought was that it was going to be really easy and I would just apply a scale transform to the grid and animate the ScaleX, ScaleY properties when the used clicked a button. This did not work however because ...

Showing big images by DirectX faster?

Hi All, as developer of industrial vision applications I frequently have rather clunky images like 6000x4000Pixels and bigger. While the camera and imageprocessing is working on a steady stream of new images (and this processing is the main task) I would like to allow the user to comfortably view some other image in parallel. Doing th...

UIScrollView ImageView with pins on top

To all, I have a UIScrollView which has a UIImageView. I want to show pins on this imageView. When I add pins as subviews of the ImageView everything is great except for when you zoom the scale transform happens on the pins also. I don't want this behavior and want my pins to stay the same. So I choose to add the Pins to another vie...

Image Zoom-In Zoom-Out in NSImageView

Can anyone please suggest me a good sample code for zooming image in NSImageView. Thanks. ...

ZoomIn/ZoomOut with positing of the controls

hi, i am using zoomin property of JavaScript to zoom page background image and all its controls(i.e text boxes). but while zooming the position of the controls got disturbed. any body can help me to fix this issue Thnaks ...

Silverlight 3 Browser Zoom Support, UI Stops rendering during zoom changes

Silverlight 3 now contains built in browser zoom support. The current problem I am facing is that it seems as if the Silverlight UI doesn't update (re-render) during multiple zoom level changes involving the (Ctrl+Mouse Wheel) or (Ctrl+) and (Ctrl-). This was found when testing with the IE8 browser, on a Windows XP SP2. At first I t...

Turn off Zooming in UIScrollView

Does anyone know a way to temporarily turn off zooming when using a UIScrollView? I see that you can disable scrolling using the following: self.scrollView.scrollEnabled = false; but I'm not seeing a similar command for zooming. Any thoughts? ...

WPF Scale Transform and ScrollViewer - When Zoomed can't scroll beyond original size...

I have a StackPanel inside of a ScrollViewer. I have a slider that does a scale transform on the stackpanel to allow zoom-in and zoom-out functionality. The problem is that when I zoom in, the scrollviewer doesn't treat the content as being 'bigger'. So, if I scroll in a little and scroll as far right as I can go - it stops me before ...

3 jQuery Applications Together - Problem With IE6

I've combined 3 jQuery applications - sortable tabs from jQueryUI, slideshow from Six Revisions, and John Nunemaker's FancyZoom. It can be seen here. The combined application works well in FF, Chrome, and Safari, but in IE6 the slideshow does not work properly. The slides overlap the left control button making it non-functional. Help p...

Drawing abstract canvas

I'm planning to write a diagram editor-style application, where you organize objects on a canvas. This application will need to support setting viewport, zooming, cropping and a lot of other standard features of such a graph style application. I'm looking for toolkits or frameworks which could supports drawing in a standard mathematical ...

Cewolf zoom on x-axis

Hi , I use the cewolf version 1.1 created by ulf dittmer. I want to set the x-axis domain for zooming. I use the properties lowerDomainValN and upperDomainValN in the zoombothaxis class as parameters for the chart but I always get an exception : Exception Details: javax.servlet.jsp.JspException java.lang.IllegalArgumentException rais...

Centered zoom on Android

Hi, I've managed to create a Zoom (extends View) in order to load a PNG into a Drawable object and have it on the screen with zooming and panning function. See the code of the View (Zoom.java) : public class Zoom extends View { private Drawable image; private int zoomControler = 200; private int shiftleft = 0; private int shiftup = 0 ;...

Zooming in JFreeChart using scrollbar (see google finance)

Is it possible to have some kind of zooming functionality in JFreechart like it is in google finance? I know there is a zoom in and zoom out, but I would like to have the bar on the bottom with which you can specify your zoom level more precisely. Anyone has a plugin/addon? ...

How can you calculate the X/Y coordinate to zoom to

Im writing a WPF application that has a zoom and pan ability, but what I want to also implement is the ability to zoom and pan "automatically" (via a button click). I have the methods all defined to zoom and pan, but Im having trouble telling the app the desired X/Y coordinates for the panning. Basically, I know that I want the control...

Google Maps API enableScrollWheelZoom() - why does it not zoom out correctly?

So I've got an issue with a Google map using custom tiles, but I've managed to simplify it to the example below. Taking the simple example Google provide with controls I've added the line map.enableScrollWheelZoom(); This gives me the simple HTML: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1...

Image zooming solutions?

Hi folks, Got waist deep in a project that will involve presenting zoomable hi res catalog images. Was assuming I would use Zoomify (Can be seen at their dot com which I am not linking to) and bought a license. Found out too late that their product relies on user preparing every image into a large number of tiles using their windows e...

Android Custom View - Optimizing Redrawing while Fling

I have a custom view that represents something like a photo-collage. I need to support the following: Fling Zoom In Zoom Out Here's what I currently do: onDraw: Look out for the number of images to be drawn. Look out for the images to be drawn and their locations and angles If the image had been downloaded (from the ser...