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Hello Micha,<BR>Thanks for your interest. I have some magnetic, and gravity data files that open as delimited text files<BR>from the layer option in qgis 1.7.4. They are text documents written in Word, (I think excel spreadsheet format).<BR>They show as a layer and can be customized by right clicking properties. The idendify tool can be used to bring up the <BR>attributes for the point chosen; lat xxx, lon yyy, has avalue of 100 nana teslas or so many mil gals, etc. <BR>I would like to be able to draw contour lines connecting certain ranges of values. It used to be easy a while ago but I was told via this list<BR>that that plugin no longer works. I tried to send one of these files as an attachment but the list administator said it <BR>was to large. I don't want to directly respond to you email as I believe that is a violation of protocal, but if you want <BR>I can try to zipp it. As to shp files, some vector files are similar and it would be great if there was a way to <BR>contour geochem data by element or mineral concentration and add as a layer. <BR>Any thoughts of course much appreciated, <BR>J.R.<BR> <BR> </div></body>
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