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Subject: Re: WebCGM20-CD2 - Review of Chapter 3
Attached is a document with the additional minor topics (typos, etc) I found in chapter 3. Some may overlap with Dieter's input but I submit them nonetheless. In the attached file Org stands for original and Corr for corrected version. I also listed the section numbers. In addition to the three comments below I inserted another comment in the document dealing with the grnode chapter (3.2.1.5). This was also mentioned by Dieter. Regards Ulrich -----Original Message----- From: Ulrich Laesche [mailto:ulrich@ematek.de] Sent: Mittwoch, 21. September 2005 14:31 To: cgmo-webcgm@lists.oasis-open.org Subject: WebCGM20-CD2 - Review of Chapter 3 I found one fault and two topics which may (or may not) need clarification. 1) In section 3.1.2.4.1, the table "Object behaviors of WebCGM 2.0" contains three identical entries "full+addHighlight" which should be full/zoom/move+addHighlight instead. 2) In section 3.1.2.3 it says: "name - .... All objects in the picture with matching 'name' attributes are selected." In section 3.1.2.4.2 it says: "For multiple selected objects the target rectangle is the bounding box of the target rectangles of the individual objects, which latter are computed according to the preceding 3 bullets." Finally, in section 3.1.3.6 I read: "Example 5: http://example.org/webcgm/engine_top.cgm#name(cooling) .... The view zooms to the first object containing a 'name' attribute with value "cooling". Isn't that contradictory, i.e. shouldn't all objects with the same name be grouped and zoomed in according to the target rectangle as calculated in 3.1.2.4.2? I have really no preference here. 3) In section 2.1.2.4.3 it says: "move - The viewer shall move (pan) the illustration such that the target rectangle is centered inside the viewer’s rectangle. If the target rectangle is too large, the viewer shall fit the target rectangle into the viewer’s rectangle and center it." What if the viewer rectangle is larger than the target rectangle and if the target rectangle is too close to the image border to be centered within the viewer rectangle? In MetaWeb we currently move the target rectangle AS CLOSELY AS POSSIBLE into the center while respecting the image borders. This may be implied already in the description though. I have a number of small typos and two cosmetic issues which I will submit later today. Also, the WebCGMEvent example is ready and will be submitted to the ftp site as well. Unfortunately, I cannot participate in today's phone conference but will still finish my contributions later today. Thanks and regards Ulrich
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