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Default Zoom Factor (Read 13910 times)

Paul Eden Full Member Offline Posts: 128 Joined: Aug 15^th, 2007	Default Zoom Factor Feb 27^th, 2008 at 8:57am	Print Post
	Hi If I put a new diagram control on a form, it's zoom factor defaults to 100. Now because were running beta the '"trial copy" message is displayed in the upper left corner. At zoom ofactor of 100, this text is what I would consider to be a 'normal' size and matches the default text size throughout my app. If i create a standard diagram node, via a mouse click/drag on the diagram, it too would seem to be a 'normal' size, using the resize handles as a size guide. If i now create a UI control and add it to the diagram, any text and overall control apears massively zoomed and the same occurrs if i create a shape node via code. There would seem to be a difference in the zoom effect - can you confirm if this is the case, or maybe suggest a property that I should modify? Many thanks Paul


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Default Zoom Factor Reply #1 - Feb 27^th, 2008 at 9:00am	Print Post
	Hi, Could you post your ShapeNode initialization code? Thanks, Stoyan


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Paul Eden Full Member Offline Posts: 128 Joined: Aug 15^th, 2007	Re: Default Zoom Factor Reply #2 - Feb 27^th, 2008 at 1:22pm	Print Post
	Dim oshapenode As New ShapeNode oshapenode.Text = "Trial version" With oAxiomDiagram .Items.Add(oshapenode) Diagram.SetItemBounds(oshapenode, New Rect(10, 10, 100, 100)) End With My initial question should have also included wether zoom factor is a percentage (ie: 100 being a 'normal view', greater than being zoomed in and less than being zoomed out) or if it has bespoke meaning within the mindfusion controls.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Default Zoom Factor Reply #3 - Feb 27^th, 2008 at 1:44pm	Print Post
	Yes, it's a percentage.


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Paul Eden Full Member Offline Posts: 128 Joined: Aug 15^th, 2007	Re: Default Zoom Factor Reply #4 - Feb 27^th, 2008 at 3:12pm	Print Post
	Hi Soyan Thanks for the clarification of the factor meaning - as a more tangable example of this size difference, placing a button sized @ 60x32 on a diagram control @ zoom factor of 50 produces a button 50% bigger than a button with same size dimentions placed directly on a form.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Default Zoom Factor Reply #5 - Feb 27^th, 2008 at 5:41pm	Print Post
	Are you setting the 60x32 size using the ItemBounds attached property (Diagram.SetItemBounds())? For items in the diagram that's measured in millimeters by default, while the Width and Height of form elements are measured in WPF points. I hope that helps, Stoyan


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vandrem YaBB Newbies Offline I love YaBB 1G - SP1! Posts: 3 Joined: Mar 13^th, 2008	Re: Default Zoom Factor Reply #6 - Mar 13^th, 2008 at 7:33pm	Print Post
	I am having this same problem, only mine is occuring when the control/node is user drawn. It is way oversized.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Default Zoom Factor Reply #7 - Mar 13^th, 2008 at 8:27pm	Print Post
	Could you post here your custom drawing code? Note that when using the default MeasureUnit of millimeters, the control applies a scale transform so that a line drawn from (0, 0) to (0, 1) is one millimeter long, and not one point long. I hope that helps, Stoyan


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vandrem YaBB Newbies Offline I love YaBB 1G - SP1! Posts: 3 Joined: Mar 13^th, 2008	Re: Default Zoom Factor Reply #8 - Mar 17^th, 2008 at 1:01pm	Print Post
	Ok this does appear to be the issue. I am using a user control as my node and it was created in expression blend which uses points by default. What do I need to do to have the diagram work properly with the expression default settings? I tried changing the measure unit but it is not working properly.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Default Zoom Factor Reply #9 - Mar 17^th, 2008 at 1:09pm	Print Post
	Set diagram.MeasureUnit = GraphicsUnit.WPFPoint if you need to use the WPF point units. If you change MeasureUnit, you might have to change the values of other properties too - they are listed in the MeasureUnit topic in the help file. I hope that helps, Stoyan


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vandrem YaBB Newbies Offline I love YaBB 1G - SP1! Posts: 3 Joined: Mar 13^th, 2008	Re: Default Zoom Factor Reply #10 - Mar 17^th, 2008 at 1:28pm	Print Post
	I am not seeing that. What else do I need to change?


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Default Zoom Factor Reply #11 - Mar 17^th, 2008 at 1:53pm	Print Post
	using MindFusion.Diagramming.Wpf; private void Window_Loaded(object sender, RoutedEventArgs e) { diagram.MeasureUnit = GraphicsUnit.WPFPoint; } That worked for me. We haven't provided a type converter for the GraphicsUnit type, so you cannot set it from XAML yet. I hope that helps, Stoyan


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Paul Eden Full Member Offline Posts: 128 Joined: Aug 15^th, 2007	Re: Default Zoom Factor Reply #12 - Mar 17^th, 2008 at 2:00pm	Print Post
	If you're using Blend though (not everyones cup of tea I admit) you can set it there via the UI.


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