[Moose-dev] Re: TreeMapLayout in Mondrian

Hi, Just a quick update on the status of the TreeMapLayout for Mondrian. Two Screenshots to start: http://cl.ly/1V2t2k06001m0P0B3r1M - example little java application http://cl.ly/3D202C2l2b0V1A2y0G2y - Famix (weights are lines of code) The yellow highlighting is added outside of the layout itself. The performance is not really good at the moment, notable in the famix example, where there are many nodes. I solved the coloring problem by adding new copies of shapes to all the nodes as suggested (*node adoptNewShape: node shape copy*), but I guess this needs a lot of memory. By the way: How was it possible that before this, there was only one shape for all the nodes, for which I could change the size and position for all of the nodes, but I could not have independent coloring for each node? I will look into all your suggestions (thanks!) some more and try to refactor more aspects. I am still a bit confused about the use of MOShapes and rectangles. Currently I am doing the follow to draw a node in the treemap: *node setBoundsTo: rectangle*. Which uses a rectangle that has a fixed position and height and width. But I run into problems when using rectangles with fixed positions when doing the following: I'm trying to use the treemap as a sub-layout, meaning that one could use any layout, for example a gridLayout, as the main layout, but every node is displayed as a treemap. Because this, fixed positions would need to be relative to a single nodes "inner coordinative system", but they are relative to the canvas. I'm also having some troubles to set the sizes of the nodes. I guess the right way to do this would be to set the sizes for all the nodes in the grid layout where the view is described, right? If so, the disadvantage is, that they can't be based on the weight of a treemap compared to others. Also I'm asking myself a conceptual question at the moment: should the TreeMapLayout expect the given nodes to always have exactly one root node? Or should it be able to generate a virtual root node, when there are more than one root node? At first I implemented the latter. But the problem with that was that the virtual root node did not have a model specified, because there was none. But I need a single, outermost container which holds the whole treeMap together, or don't I? Dorus example: view := MOViewRenderer new. view nodes: (1 to: 1000). view edgesFrom: [ :each | each // 10 ]. view layout: (MOTreeMapLayoutIncubation withWeightBlock: [ :e | e model ]). view open. has 10 root Nodes, and does not work anymore at the moment because of that. Any opinions on how to handle that? I will keep you updated with my progress. Thanks and cheers, Dennis On Tue, Mar 6, 2012 at 21:33, Alexandre Bergel <alexandre.bergel(a)me.com>wrote;wrote: