There has been quite a lot of discussion on this recently about how best to fit gnuplot images into lyx. I have mentioned that, personally, I use gnuplot to generate an xfig figure and proceed from there. Perhaps you might like my converter script gnuplot2fig.sh, attached?
Use it so: $ gnuplot2fig.sh <gnuplot commands file> <xfig output file> where <gnuplot commands file> contains something like: field(x)=6+x set border 3 set xtics nomirror set ytics nomirror set yrange [-0.4:1] plot "linear_whole_cycles.plt" using 2:field(0) title "Initial profile" with lines lt 2 replot "linear_whole_cycles.plt" using 2:field(80) title "Linear elements" with lines lt 3 replot "quad_whole_cycles.plt" using 2:field(80) title "Quadratic elements" with lines lt 1 -- Angus--nextPart8859787.nPFt02M2Ye Content-Type: application/x-shellscript; name="gnuplot2fig.sh" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="gnuplot2fig.sh" IyEgL2Jpbi9zaAoKIyBnbnVwbG90MmZpZzogYSBzaGVsbCBzY3JpcHQgdG8gY3JlYXRlIGFuIFhG SUcgZmlsZSBmcm9tIGEKIyAgICAgICAgICAgICAgc2V0IG9mIGdudXBsb3QgY29tbWFuZHMuCgoj IEdsb2JhbCB2YXJpYWJsZXMKR05VUExPVD1nbnVwbG90CgpVU0FHRSgpIHsKCWVjaG8gImBiYXNl bmFtZSAkMGAgPGdudXBsb3QgY29tbWFuZHMgZmlsZT4gPHhmaWcgb3V0cHV0IGZpbGU+IgoJZXhp dCAxCn0KCkZJTkQoKSB7CiAgICAgICAgdGVzdCAkIyAtZXEgMSB8fCB7CgkJZWNobyAiRklORCBl eHBlY3RzIGEgc2luZ2xlIGFyZzoiCgkJZWNobyAiVGhlIGV4ZWN1dGFibGUgb3Igc2hlbGwgc2Ny aXB0IHRvIHNlYXJjaCBmb3IuIgoJCWV4aXQgMQoJfQoKICAgICAgICB0eXBlICQxID4gL2Rldi9u dWxsIHx8IHsKICAgICAgICAgICAgICAgIGVjaG8gIlVuYWJsZSB0byBmaW5kIFwiJDFcIi4gUGxl YXNlIGluc3RhbGwuIgogICAgICAgICAgICAgICAgZXhpdCAxCiAgICAgICAgfQp9CgpSVU5fR05V UExPVCgpIHsKCXRlc3QgJCMgLWVxIDEgfHwgewoJCWVjaG8gIlJVTl9HTlVQTE9UIGV4cGVjdHMg YSBzaW5nbGUgYXJnOiIKCQllY2hvICJUaGUgZmlsZSBjb250YWluaW5nIHRoZSBnbnVwbG90IGNv bW1hbmRzLiIKCQlleGl0IDEKCX0KCglHTlVQTE9UX0VYRUNVVEU9Z251cGxvdC5leGVjdXRlLiQk CgllY2hvICJsb2FkIFwiJDFcIjsgcXVpdCIgPiAke0dOVVBMT1RfRVhFQ1VURX0KCgkke0dOVVBM T1R9ICR7R05VUExPVF9FWEVDVVRFfSB8fCBlY2hvICJnbnVwbG90IGZhaWxlZCB0byBydW4hIgoJ cm0gLWYgJHtHTlVQTE9UX0VYRUNVVEV9Cn0KCiMgU2V0IHRoZSBvdXRwdXQgdGFyZ2V0IHRvIFhG SUcgYW5kIGRpcmVjdCBvdXRwdXQgdG8gYSBmaWxlLgpCVUlMRF9YRklHX1RBUkdFVCgpIHsKCXRl c3QgJCMgLWVxIDMgfHwgewoJCWVjaG8gIkJVSUxEX1hGSUdfVEFSR0VUIGV4cGVjdHMgdGhyZWUg YXJnczoiCgkJZWNobyAiMS4gVGhlIGZpbGUgY29udGFpbmluZyB0aGUgZ251cGxvdCBjb21tYW5k cy4iCgkJZWNobyAiMi4gVGhlIG5hbWUgb2YgdGhlIFhGSUcgZmlsZS4iCgkJZWNobyAiMy4gVGhl IChvdXRwdXQpIGZpbGUgd2hpY2ggcHJlcGVuZHMgdGhlIGNvbW1hbmRzIGluIDEgIgoJCQkid2l0 aCB0aGUgWEZJRyB0YXJnZXQgYW5kIFhGSUcgb3V0cHV0IGZpbGUuIgoJCWV4aXQgMQoJfQoKCWVj aG8gInNldCB0ZXJtaW5hbCBmaWcgbW9ub2Nocm9tZSBzbWFsbCBmb250c2l6ZSAxMCIgPiAkMwoJ ZWNobyAic2V0IG91dHB1dCBcIiQyXCIiID4+ICQzCgljYXQgJDEgPj4gJDMKfQoKIyBHTlVQTE9U IHdpbGwgb3V0cHV0IGFuIFhGSUcgZmlsZSB3aXRoICJub3JtYWwiIHRleHQuCiMgVGhpcyBmdW5j dGlvbiBlbnN1cmVzIHRoYXQgYWxsIHRleHQgaXMgbWFya2VkIGFzICJzcGVjaWFsIi4KTUFOSVBf WEZJR19GSUxFKCkgewoJdGVzdCAkIyAtZXEgMSB8fCB7CgkJZWNobyAiTUFOSVBfWEZJR19GSUxF IGV4cGVjdHMgYSBzaW5nbGUgYXJnOiIKCQllY2hvICJUaGUgZmlsZSBjb250YWluaW5nIHRoZSB4 ZmlnIGRhdGFzZXQuIgoJCWV4aXQgMQoJfQoKCSMgTGluZXMgY29udGFpbmluZyB0ZXh0IGVuZCAi XDAwMSIuCgkjIEVuc3VyZSB0aGF0IGFsbCB0ZXh0IGlzICJzcGVjaWFsIiBieSBjaGFuZ2luZyB0 aGUgOXRoIGNvbHVtbgoJIyBmcm9tIDAgdG8gMi4KCVRFTVBGSUxFPXRtcC4kJAoJIyBBIGNvbHVt biBpcyBkZWZpbmVkIGhlcmUgYXMgMSBvciBtb3JlIGNoYXJzIChub3Qgc3BhY2VzKSBmb2xsb3dl ZCBieQoJIyBvbmUgb3IgbW9yZSBzcGFjZXMuCglDT0xVTU5fUkVHRVg9J1woW14gXVx7MSxcfSBc ezEsXH1cKScKCSMgU2F2ZSB0aGUgZmlyc3QgOCBjb2x1bW5zLCB0byBiZSByZXRyaWV2ZWQgd2l0 aCBcMQoJU0FWRV9FSUdIVF9DT0xTX1JFR0VYPSJeXCgke0NPTFVNTl9SRUdFWH1cezhcfVwpIgoJ IyBGb3IgYWxsIGxpbmVzIGVuZGluZyAnXDAwMScsIGNoYW5nZSB0aGUgOXRoIGNvbHVtbiBmcm9t IDAgdG8gMQoJc2VkICIvXFwwMDEkL3MvJHtTQVZFX0VJR0hUX0NPTFNfUkVHRVh9MC9cMTIvIiAk MSA+ICR7VEVNUEZJTEV9CgltdiAtZiAke1RFTVBGSUxFfSAkMQp9CgojIFRoZSBtYWluIGxvZ2lj IG9mIHRoZSBzY3JpcHQKdGVzdCAkIyAtZXEgMiB8fCBVU0FHRQp0ZXN0IC1yICQxIHx8IHsKCWVj aG8gIlVuYWJsZSB0byByZWFkICckMSciCglVU0FHRQp9CgpGSU5EICR7R05VUExPVH0KCiMgQ3Jl YXRlIGFuIFhGSUcgZGF0YSBzZXQgYXMgJDIKR05VUExPVF9DT01NQU5EUz1nbnVwbG90LmNvbW1h bmRzLiQkCkJVSUxEX1hGSUdfVEFSR0VUICQxICQyICR7R05VUExPVF9DT01NQU5EU30KClJVTl9H TlVQTE9UICR7R05VUExPVF9DT01NQU5EU30Kcm0gLWYgJHtHTlVQTE9UX0NPTU1BTkRTfQoKIyBF bnN1cmUgdGhhdCBhbGwgdGV4dCBpcyBtYXJrZWQgYXMgInNwZWNpYWwiCk1BTklQX1hGSUdfRklM RSAkMgoKIyBUaGUgZW5kCg==
