<div><br clear="all">Hello,</div>
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<div>The my problem is to create a map with contour lines.</div>
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<div>My file text is constituting by : latitute (y), longitude (x) and precipitation (z).</div>
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<div>Want to plot the contour lines of precipitation with the qgis. </div>
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<div> This is possible? How I could do this in qgis?</div>
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<div>Thanks!</div>
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