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I am working in open layers plugin.i need to project the satellite data with respect to vector data shape file i am having .for that Andre Joost suggested to create vector grid with vector data reference system .But when I am creating vector grid the system hangs this the problem?

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A good question should contain all information necessary to reproduce the problem. Please include information on which settings you used, which input files you are working with, the CRS of your input data, the extent, ... –  underdark Jun 28 '13 at 12:44
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The most popular problem with the vector grid tool is the preset of 0,0001000000 for x and y value.

If your CRS is in degrees, it will create a grid with 0.0001° spacing. That's most probably not what you want. For CRS in meters, you would get a 0.1mm spacing.

So set the value to 0.1° (or 1000 metres), and see if you like the result.

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Thank you!from where i can change the value could u please help me because i am a learner in qgis? –  arun Jun 29 '13 at 4:40
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If you click on Vector -> Research tools -> Vector grid, the parametres are in the middle of the form. And check Raster as Polygons too. –  Andre Joost Jun 29 '13 at 4:46
    
Oh Yes! I am getting a vector grid .After that what can i do?Whether i have to clip the satellite data with the grid i am having? –  arun Jun 29 '13 at 4:58
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That should better be another question. Please mark this one as accepted. –  Andre Joost Jun 29 '13 at 5:00
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In this Question&Answer system, every topic should have only one question (here: creating vector grids). If the answer was helpful, you can click on the left side and mark the answer as accepted, which means this question is answered, and can be closed. For the clipping, please start another question. –  Andre Joost Jun 29 '13 at 6:44
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