Re: [Gnuplot-info] Avoiding Squarish Blocky Look in False Color Charts and/or Contour Maps?

[arnold4life <chr...@ho...>]

How does this relate to my original post...?


Vik_R wrote:
> 
> When I run a sample contour chart in Excel and in DeltaGraph, I get a
> different look than I do with the false color map in gnuplot. The Excel
> and DeltaGraph charts have very straight, angled edges, which my client
> prefers. The gnuplot chart is in squarish blocks. Is it possible to avoid
> this squarish blocky look, and to get this look that we find in Excel and
> Deltagraph charts, with a gnuplot false color or contour chart? 
> 
> Link to Excel sample chart:
> http://www.market-research-services.com/Temporary/Excel-sample.jpg
> 
> Link to DeltaGraph sample chart:
> http://www.market-research-services.com/Temporary/DeltaGraph-sample.jpg
> 
> Link to Gnuplot sample chart:
> http://www.market-research-services.com/Temporary/gnuplot-sample.jpg
> 
> Link to datafile:
> http://www.market-research-services.com/Temporary/dataFileKey_30
> 
> Thanks very much in advance for any info.
> 
> Best,
> 
> 
> -Vik
> 
> 
> 
> 
> gnuplot commands:
> unset surface
> unset key
> set view map
> set pm3d
> set palette defined (0 'black', 2 'gray50', 3 'dark-blue', 8.43243243243
> 'dark-green', 18.972972973 'light-green', 20.5263157895 '#dac000',
> 30.7894736842 '#fee000', 32.8421052632 '#ff8000', 55.4210526316 '#ff5a00',
> 66.7105263158 'orange-red', 78 'dark-red')
> set output '/Applications/Heatmaps/htdocs/ftp/Heatmaps/heatMap_key30.jpg'
> 
> set term jpeg size 600, 600 enhanced font '/Library/Fonts/arial.ttf' 8
> set dgrid3d 400,400 gauss 0.35,0.35
> set size square
> set xtics("" 1, "Day 0" 2, "2-7\ndays" 3, "2\nWeeks" 4, "3\nWeeks" 5,
> "1\nMonth" 6, "2-3\nMonths" 7, "4-6\nMonths" 8, "7-12\nMonths" 9, "1
> Year+" 10 )
> set title '{/=18 Chart Title}' offset 0, .5
> set ylabel '{/=16 Degree of Influence}' offset -1.6, 0
> set xlabel '{/=16 Days from Purchase}' offset 0,-1.6
> set xtics out nomirror
> set ytics out nomirror
> set ytics("" 0, "1" 1, "2" 2, "3" 3, "4" 4, "5" 5, "6" 6, "7" 7, "8" 8,
> "9" 9, "10" 10, "" 11)
> set y2tics("" 0, "1" 1, "2" 2, "3" 3, "4" 4, "5" 5, "6" 6, "7" 7, "8" 8,
> "9" 9, "10" 10, "" 11)
> set xrange [0:11] reverse
> set yrange [0:11]
> splot [1:] '/Applications/Heatmaps/htdocs/ftp/Heatmaps/dataFileKey_30'
> matrix
> 
> replot 
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