Talk:Regular grid

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Is the first picture of curvilinear grid correct? The Lines are curved and not straigtht. Shouldn't they be straight in such a grid? Roadexpert (talk) 15:21, 5 February 2008 (UTC)

The lines just look curved based on the fact that when combined, they make an overall curved line. But individually(the lines between vertices), they definitely are straight.CFDFEM (talk) 19:37, 12 April 2008 (UTC)