"Identify Features" tool is slow with complex/big features (lot of nodes)

[jgrocha]

Author Name: Giovanni Manghi (@gioman)
Original Redmine Issue: 4819
Affected QGIS version: master
Redmine category:map_canvas

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This happens with lines/polygons above a certain level of complexity (number of nodes). To test you can use the same vector that was used as test case in ticket #14441

http://www.faunalia.pt/downloads/test_slow_vector.zip

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• 0001-4819_01.patch (Thomas Arnold)
• sssi_problem.zip (James Stott)
• slow_pan.zip (James Stott)
• sssi_Identify.jpg (Thomas Arnold)
• vegetacao_potencial.zip (Alexandre Neto)

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Related issue(s): #16716 (relates)
Redmine related issue(s): 7834

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