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<p class="MsoNormal">Dear all<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have tried asking my local QGIS expert but unfortunately she is for once not able to help me. I hope someone can.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I have a vector polygon layer that contains data for the amount of biogas potentially available in a polygon - unit is m3/ha/year. The polygons are of varying size.
<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I have another vector point layer with data for the amount of biogas already produced on specific biogas plants – unit in m3/year.
<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I would like to combine the two layers so that I “vacuum” the area surrounding the biogas plants for biogas potential. This will reveal where there are still areas with sufficient biomass available for a new biogas plant to be build.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have no clue how to do this calculation but I think it should be possible. Can anyone help me out?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The overview I have of my data now looks like this: <o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><img width="478" height="441" id="Pladsholder_x0020_til_x0020_indhold_x0020_6" src="cid:image003.jpg@01D0B595.113BA320"></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The size of the shown point data is <b>independent</b> on the polygon layer. I would like it to be
<b>dependent</b> on the biogas potential available (in the polygon layer). I would like the size of the points to reflect how far you would have to drive (radius to the biogas plant) in order to get all the biomass needed to produce the biogas you intend to.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am using QGIS version 2.8.2 64 bit with Windows. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-CA" style="font-size:8.0pt;color:black;mso-fareast-language:EN-GB">Best regards<br>
<br>
</span><b><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB">Julie Houge Hansen</span></b><span lang="EN-CA" style="font-size:8.0pt;color:black;mso-fareast-language:EN-GB"><br>
PhD Student, Inst. of Chemical Eng., Biotechnology and Environmental Tech.</span><span lang="EN-CA" style="color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB">Tlf.</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB"><a href="tel:+4565507212"><span style="color:black">+4565507212</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB">Email</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB"><a href="mailto:juhh@kbm.sdu.dk"><span style="color:blue">juhh@kbm.sdu.dk</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;color:black;mso-fareast-language:EN-GB">Addr.</span><span style="color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="DE" style="font-size:7.5pt;color:black;mso-fareast-language:EN-GB">Niels Bohrs Allé 1, DK-5230 Odense M, Denmark</span><span lang="DA" style="color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-GB"><img border="0" width="309" height="44" id="Billede_x0020_1" src="cid:image001.jpg@01D0B593.53C0D230" alt="Description: C:\Users\CIC\Application Data\Microsoft\Signaturer\sduemaillogoUK.jpg"></span><span style="color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="DA" style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB">Campusvej 55 · 5230 Odense M · Tlf. 6550 1000 ·
</span></b><b><span lang="EN-CA" style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB"><a href="https://webmail.sdu.dk/owa/redir.aspx?C=866ea63d2ed24495a0928ea339532b2a&URL=http%3a%2f%2fwww.sdu.dk%2f" target="_blank"><span lang="DA" style="color:black">www.sdu.dk</span></a></span></b><span lang="DA" style="color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DA"><o:p> </o:p></span></p>
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