making professional quality scientific figures: part 1 ...draft/thesisworkshop/... · b. save as a...
TRANSCRIPT
MakingProfessionalQualityScientificFigures:Part1– TheEssentials
RESOURCES:http://www.people.fas.harvard.edu/~draft/thesisworkshop/• PDFofthispresentation• PDFofinstructionsforimagemanipulation• Sampleimagesusedinthedemos
Rasterobjects:scans,microscopepictures,photos,screen-captures• Pixelbased(setnumberofpixels)
• Zoominandseepixels• EditinPhotoshop orGIMP• Filetypes:TIFF,PNG,JPG,BMP
Figuresareamixofrasterobjects andvectorobjects
Figuresareamixofrasterobjects andvectorobjectsRasterobjects:scans,microscopepictures,photos
• Pixelbased(setnumberofpixels)• Zoominandseepixels
• EditinPhotoshop orGIMP• Filetypes:TIFF,PNG,JPG
Vectorobjects:shapes,text,excel/matlab graphs• Notpixelbased(mathematicalexpressions)• Zoominwithoutblurring• CreateandeditinPowerpoint (orIllustrator)• PPT,PDFcanhandlevectorandrasterobjects
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UsingPowerPointtoBuildYourFigures
Thatwillgiveyoua1inchborderinfinaldocument
Use9inches
Use6.5inches
FigureLegend
WordDoc:8.5x11‘File’>‘PageSetup’>6.5x9(Portrait)
• Setthepagesizesoyourfigurescanbeeasilyintegratedintoyourworddocument.• UseArialfontforthefigurelegend.Thatiswhatmostprofessionaljournalsnowrequest.
InsertingRasterImages:Resolution
• Normalprinter:220ppi/dpi(pixels/dotsperinch)• Slideshows(projects/monitors)72dpi
Whichimageis72ppi andwhichis220ppi?- Screensonlyshow72ppi.- Canonlytellwhenprintedoutorzoomedin.
Howdoweknowifwehavesufficientresolutionforclearprintedimages?
• ‘Insert’>‘Pictures’(ordragthemin)– Don’tcopy/paste– badthingscanhappen
• Resizetomakeitsmallerifyouwant– Avoid resizingtomakeitbigger!Powerpoint willaddpixels(interpolate)
• Eitherretakethepictureorkeepitsmall• Note:ifyouareinapinch,andneedtoresizeanimagetomakeitbiggerquickly,justresizeitin
Powerpoint.Theimagewon’tbeperfect,butitisstillacceptableforthethesis.
• Checkqualitybyzoomingupto300%(3x72ppi =~220ppi)
HowtoInsertImagesintoPowerpoint
1. SelectPicture>‘PictureFormat’>‘Crop’2. SelectPicture>‘PictureFormat’>‘Corrections’
HowtoAdjustImagesinPowerpoint
HandlingVectorObjectsCommonvectorobjects
• Shapes,schematics,flow-charts1. CanbemadeinPowerpoint
• Insertshape,thenRight-click>EditPointstocustomize
HandlingVectorObjectsCommonvectorobjects
• Shapes,schematics,flow-charts• Graphs:Options:
1. CancopyandpastexcelgraphsinPowerpoint2. SavegraphasPDForSVGandthen‘insert’objectinPowerpoint3. Ifthesefail,savethegraphasarasterobject,by:
A. SaveasTIForPNGfromyouroriginalgraphingprogram- Theresolutionwillbedeterminedbytheoriginalprogram.
B. SaveasaPDFthenopeninPhotoshop/Gimp(rasterizeit)- Thisallowsyoutosettheresolution(220ppi)ataspecifiedsize
C. Screenshotaslargeaspossibleinyouroriginalgraphingprogram,theninsertasarasterobjectinpowerpoint.- Zoomupandmakeitasbigasyourdisplaybeforethescreenshottogetasa
largesizeaspossible.
• Zoomup (300%orgreater)beforescreencapture/copy
‘AdaptingFigures’Successfully
Screenshotat100%• PixelatedL
Screenshotat300%• NopixelationJ
AWordonFileSizeYourfinal.pptx shouldn’tmore>~20MB- If>20MB,yourimagesprobablyhaveexcesspixels- ‘File’>’CompressPictures’>220willreduceallyourimages
- Note:thiswilldeleteallextrapixelsinyourimages.Sobesurethepicturesarethesizeyouwantthem.Otherwise,youwillhavetore-inserttheoriginalstorestorethequality
Incorporatingfiguresintoyourthesis
• Summary- InsertordragpicturesintoPowerpoint (DONOTCOPYANDPASTE!)- Moveyourimagearound.Ifyouscale(onlyscaledown/smaller,notbigger),then
compressto220ppi toreducefilesize.- Usevectorobjectswhenpossible(arrows,asterisks,text,legend,shapes,graphs,etc)- Saveas.PPTXuntilyourfigureisfinalized- SaveasPDFandinsertintoyourthesisdocument(.doc).
• Whenyou’refinished:• ‘File’>‘SaveAs’aPDF(preservevectorandrasterobjects)
- InsertPDFintoyourfinalthesisdocument(WorddocorPDFfile)
DONE