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drawing

Develop "whiteboard" for collaborative problem solving in physics and math

Web User Interface programmer

We are looking for a programmer to lead the development of a web-based drawing and equation-writing utility or whiteboard. This utility will be designed to allow physics/mathematics students and tutors (both human and computer tutors) to engage in collaborative problem solving over the Internet. The project will be Open Source and we hope to foster a community of developers to provide support and future growth.

Dojo controls not all drawn correctly the first time

I have a fairly complicated Dojo screen of 2 panels with couple of graphics areas and a 7-pane accordion control each tab of which contains a small grid of values. Each accordion pane has a small delay in it so that teh grid will be loaded and refreshed:

The first time the FF3 browser shows this screen it is frequently a jumble of incompletely drawn parts.
Usually refreshing the screen straightens this out.

Dragging a rectangle or rounded rectangle makes the shape flash / blink or go blank, in IE 7

I remember I saw someone posted the similar question quite some time ago, but couldn't find that post - after 30 minutes searching, :( If anyone can point me to that post and if there is an answer, that would be great.

Everything seems fine in FF, but in IE 7(not sure IE 6), when I drag the rectangle or rounded rectangle, the shape kind of 'blink', sometimes, the shape becomes invisible, only the text annotation visible. The strange thing is that no problem with other shapes, such as circles, ellipses, triangles or path.

Hope I described the problem correctly. I use Dojo 1.1.1.

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