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Don Lancaster's Guru's Lair GuruGrams |
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Don Lancaster's GuruGrams are a continuation of his earlier Tech
Musings print and ezine series. These are generally single topic
tech ap notes made web friendly through non-print layouts and tight
resource linking. Topics are often more technical and more advanced
than those that appear in the Blatant Opportunist series.
Note: Starting with #22, Blatant Opportunist columns are now being
done in the GuruGram format.
Many of our earlier apnotes and related resources should eventually
get updated and improved into this series. Your support as a Banner
Advertiser or Synergetics Partner can make this happen.
| The GuruGrams: | . |
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Trashing Auto Electrolysizers TRASHELC.PDF #93 Reviews the fundamental technical reasons why onboard alternator driven vehicle hydrogen injection electrolysizers can not possibly work and flat out ain't gonna happen. 06/08 |
Click for a Bashing Pseudoscience tutorial.
Click here for the GuruGram 93 source code.
Click here to Contact the Author directly.
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Bitmap Circular Lettering BMCIRLET.PDF #92 Reviews earlier ultra high legibility, low resolution.BMP bitmap typrogray tools. Adds cylindrical, perspective, and circular lettering. Shows how to deal with logos. 05/08 |
Click here for the GuruGram 92 source code.
Click here to Contact the Author directly.
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Bitmap Perspective Lettering BMPERLET.PDF #91 A tutorial on a new utility that allows you to take a "flat" mixed text and graphics bitmap, distort it for left or right architect's perspective, and paste it into a final bitmap for "infinite depth of field". 02/08 |
Click for the BMPERLET1.PSL utility.
Click here for the GuruGram 91 source code.
Click here to Contact the Author directly.
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Architect's Perspective Utilities ARCHPERS.PDF #90 A tutorial on an updated and improved "tilt corrector" used to provide perfectly vertical alignment on a product or building image. Includes math derivation and improved data input 05/08 |
Click for the ARCHPER1.PS utility.
Click here for the GuruGram 90 source code.
Click here to Contact the Author directly.
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Mt. Graham Lumber Tram History TRAMHIST.PDF #89 A machine readable and online reprint of a hard to find key historical document for the Mt. Graham Tramway. L.O. Martini's Partial History of the Gila Lumber and Milling Company. 05/08 |
Click for my Mt. Graham Tramway story.
Click here for the GuruGram 89 source code.
Click here to Contact the Author directly.
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Image Post Processing Tools POSTPROC.PDF #88 A tutorial review of all of our post processing and bitmap manipulation current tools. Includes details of key variables and proc use details. 3/08 |
Click here for the GuruGram 88 source code.
Click here to Contact the Author directly.
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A Digital Airbrushing Algorithm AIRBRUSH.PDF #87 A tutorial on our new classic but surptisingly sophisticated bitmap airbrushing tool. Takes four points of a selected quadralateral and provides a smooth two dimensional gradient between them. 03/08 |
Click for the AIRBRUT1.PSL actual utility .
Click here for the GuruGram 87 source code.
Click here to Contact the Author directly.
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More Energy Fundamentals MORENRGF.PDF #86 An update and expansion of our classic Energy Fundamentals tutorial. Dimes versus kilowatt hours. Exergy. Net Energy. Amortization. pv CIGS and new developments. Economy of scale. Grid storage. 02/08 |
Click for the original Energy Fundamentals paper.
Click here for the GuruGram 86 source code.
Click here to Contact the Author directly.
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Some Inverse Graphics Transforms INVEGRAF.PDF #85 When modifying graphics images, an inverse or "comes from" transform may be needed instead of the usual "goes to" Tutorial and examples show some of the math techniques involved. 12/07 |
Click here for a Nonlinear Graphics tutorial.
Click here for the GuruGram 85 source code.
Click here to Contact the Author directly.
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Bitmap to PS Array Conversions BMP2PSA.PDF #84 Bitmap images can be extensively modified in subtle ways by first converting them to a PostScript array of strings. Turotial and core utility routines for an upcoming series of image tools. 12/07 |
Click here for the AOSutil1.psl utility.
Click here for the PostScript library.
Click here for the GuruGram 84 source code.
Click here to Contact the Author directly.
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Pixel Interpolation Algorithms PIXINTPL.PDF #83 A review of popular pixel interpolation schemes including Bilinear, Nearest Neighbor, Bilinear with lookup, Modified 3x3, and Bicubic. Includes detailed bicubic math derivation. . 11/07 |
Click here for the Pixel Interpolation utility.
Click here for the Pixel Interpolation demo..
Click here for the PostScript library.
Click here for the GuruGram 83 source code.
Click here to Contact the Author directly.
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False Color & Rainbow Mods FALSECLR.PDF #82 Tutorial and sourcecode shows how to improvea false color and rainbow effects by equalizing saturation and modifying hues. Includes table lookups exportable to most any language. 11/07 |
Click here for the PostScript library.
Click here for the GuruGram 82 source code.
Click here to Contact the Author directly.
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2-Way linking of HTML & PDF TWOWAYLK.PDF #81 Update of older tutorial reviews how to do two way linking of HTML files and Acrobat PDF files. Based on using HTML anchors and Acrobat named destinations. 10.07 |
Run the older Two way linking demo.
Click here for the Acrobat library.
Click here for the GuruGram 81 source code.
Click here to Contact the Author directly.
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Cubic Spline min point distance CMINDIST.PDF #80 A tutorial and math derivation of finding the mininum distance between a point and a cubic spline. Successive approximation is required for an exact solution. 08/07 |
Click here for the Cubic Spline library.
Click here for the GuruGram 80 source code.
Click here to Contact the Author directly.
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Gonzo PostScript Utilities Guide GONZOTUT.PDF #79 The long overdue tutorial and directory to my Gonzo utilities. These are a combined PS pagemaking and illustration package that features super quality text justification, electronic schematics, more. 08/07 |
Click here for the Gonzo PostScript utilities.
Click here for the PostScript library.
Click here for the GuruGram 79 source code.
Click here to Contact the Author directly.
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Enhancing Your eBay Skills VI ENHEBAY6.PDF #78 The Latest in a continuing series of eBay insider techniques. Rights of abandonment. Barbie Dolls. Your own custom listings. Inventory controls. On staying tightly focused. Image inserts . 08/07 |
Click here for our eBay Auction offerings.
Click here for our Auction Help library.
Click here for the Enhance V reprint.
Click here for the Enhance IV reprint.
Click here for the Enhance III reprint.
Click here for the Enhance II reprint.
Click here for the Enhance I reprint.
Click here for the GuruGram 78 source code.
Click here to Contact the Author directly.
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Gauss Jordan Equation Solver GAUSSJOR.PDF #77 A tutorial and amazingly compact JavaScript routine to use Gauss Jordan techniques to solve nxn linear equations. Excerpted from GuruGram #73. 07/07 |
Click here for the Demo Software.
Click here for the Math Stuff library.
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave tutorial.
Click here for a Magic Sinewave slide show.
Click here for a Magic Sinewave proposal.
Click here for the GuruGram 77 source code.
Click here to Contact the Author directly.
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PostScript Numeric Reporter PS8DPRP1.PDF #76 PostScript normally only reports numerics to six decimal points. Utility and tutorial extends this to nearly eight decimal points over a fairly wide numeric range. 07/07 |
Click here for the Numeric Reporting iutility..
Click here for the PostScript library.
Click here for the GuruGram 76 source code.
Click here to Contact the Author directly.
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Acrobat PDF Post Doc Editing
PDFEDIT1.PDF #75 A tutorial on PostScript based utilities and tools that let you edit existing Acrobat .PDF files. Edited files can often be ridiculously shorter and faster running and offer other capabilities. 07/07 |
Click here for the PostScript library.
Click here for the Acrobat library.
Click here for the GuruGram 75 source code.
Click here to Contact the Author directly.
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What is the best eBay price?
EBAYSTAT.PDF #74 Some eBay analysis tools that let you evaluate optimal eBay pricing. Many rude surprises of eBay interest and response are revealed here. 06/04 |
Click here for our eBay Auction offerings.
Click here for our Auction Help library.
Click here for the GuruGram 74 source code.
Click here to Contact the Author directly.
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Ultra Fast MagSine Calculator
FASTMSSOL.PDF #73 The very first in a new series of ultra fast and nearly deterministic Magic sinewave calculators. These are hundreds to thousands of times faster and more convenient than before. Tutorial review. 05/07 |
Click here for the Ultra Fast MS Calculator.
Click here for the Angle Position Plots.
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave tutorial.
Click here for a Magic Sinewave slide show.
Click here for a Magic Sinewave proposal.
Click here for the GuruGram 73 source code.
Click here to Contact the Author directly.
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Deterministic Magsine Solutions DETMSSOL.PDF #72 A preliminary background approach to much faster and potentially deterministic magic sinewave solutions. See more recent GuruGrams for further significant improvements. |
Click here for the Magic Sinewave library..
Click here for a Magic Sinewave tutorial.
Click here for the GuruGram 72 source code.
Click here to Contact the Author directly.
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Enhancing your eBay Skills vol.V ENHEBAY5.PDF #71 Storage guidelines. The Government Liquidation saga. Multi-day auctions. More imaging tips. Secrets of winning websites. Why eBay is not Walmart. Controlling closure. More... |
Click here for the Auction Help library.
Click here to reach our eBay auctions.
Click here for the Enhancing eBay I tutorial
Click here for the Enhancing eBay II tutorial
Click here for the Enhancing eBay III tutorial
Click here for the Enhancing eBay IV tutorial
Click here for the GuruGram 71 source code.
Click here to Contact the Author directly.
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Enhancing your eBay Skills vol.IV ENHEBAY4.PDF #70 Common eBay buyer and seller mistakes. Walmart auctions. Fixing image "whiteburn". Dealing with order mixups. Craig's lists. What to wear at a live auction. Obscure resources. Cut and paste secrets. etc... |
Click here for the Auction Help library.
Click here to reach our eBay auctions.
Click here for the Enhancing eBay I tutorial
Click here for the Enhancing eBay II tutorial
Click here for the Enhancing eBay III tutorial
Click here for the Enhancing eBay V tutorial
Click here for the GuruGram 70 source code.
Click here to Contact the Author directly.
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Cubic Spline Catenary Approx. BEZCAT.PDF #69 A catenary is the shape a chain will assume hanging on its own weight. Tutorial explores cubic Bezier spline approximations to catenary curves.. Includes examples . |
Click here for the Cubic Spline library.
Click here for the Math Stuff library.
Click here for the GuruGram 69 source code.
Click here to Contact the Author directly.
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Tech Innovation Secrets TECHINOV.PDF #68 A major tutorial on the Fundamental Factors driving recent technical innovation. Decoupling. Accurate replication. Elimination of the gatekeepers. Computing power beyond awesome. Bunches more... |
Click here for the Blatant Opportunist library.
Click here for the Tech Musings library.
Click here for the GuruGram 68 source code.
Click here to Contact the Author directly.
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Solving Puzzles with PostScript PUZZLE1.PDF #67 Uses several alphametic puzzles to demonstrate some PostScript Programming techniques. The brute force and modified brute force methods can give fractional second solutions. |
Click here for the PostScript library.
Click here for the Math Stuff library.
Click here for the GuruGram 67 source code.
Click here to Contact the Author directly.
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A Newbie's Intro to the Web NEWBIE.PDF #66 A Beginner's intro tutorial to the world wide web. Features & services Understanding URL's. Finding an ISP. Hardware & Software comm. Useful sites. Some cautions. Becoming an Alpha Geek. More... |
Click here for the Webmastering library.
Click here for the Auction Help library.
Click here for the GuruGram 66 source code.
Click here to Contact the Author directly.
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Magic Sinewave Summary MSINEXEC.PDF #65 An "executive summary" on magic sinewaves that gathers together the key features and development history from several earlier files. Magic sinewaves offer efficiency and power quality advantages. |
Click here for the Magic Sinewave library.
Click here for a Magic Sineave intro tutorial.
Click here for the GuruGram 65 source code.
Click here to Contact the Author directly.
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Gonzo Utility Log Log Plots LOGLOG.PDF #64 Ultra fancy engineering graphs and plots are quite easy using my PostScript Gonzo Utilities. Tutorial details new utility useful for creating log-log or semilog engineering plots.. |
Click here for the actual Log Log Utility.
Click here to download the Gonzo Utilities.
Click here for the PostScript library.
Click here for the GuruGram 64 source code.
Click here to Contact the Author directly.
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Two Phase Magic Sinewaves MAGS2PH1.PDF #63 A brief note that explores two phase magic sinewaves as might be useful for motor controls and I-Q modulation schemes. Two chip solutions appear much cleaner and simpler than single chip ones. |
Click here for the Magic Sinewave library.
Click here for a Magic Sineave intro tutorial.
Click here for the GuruGram 63 source code.
Click here to Contact the Author directly.
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Enhancing your eBay Skills III ENHEBAY3.PDF #62 Continuing our series of eBay insider secrets. Image expansion and cross linking. More on HTML. Shilling again. Bailout guidelines. Exploring log files. No unhappy customers. Sellthru rates. More... |
Click here for Enhancing your eBay Skills I.
Click here for Enhancing your eBay Skills II.
Click here for our eBay Store.
Click here for the Auction Help library.
Click here for the GuruGram 62 source code.
Click here to Contact the Author directly.
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Book Cover Layout Utility BOOKCVR1.PDF #61 A tutorial and companion utility that lets you do custom book cover layouts for self-publishing. Includes barcode and ISDN access info, Distiller rotation lockout, images, borders, more.... |
Click for the Book Cover Layout utility.
Click to download Don's Gonzo Utilities.
Click here for the PostScript library.
Click here for the Book-on-Demand library.
Click here for the GuruGram 61 source code.
Click here to Contact the Author directly.
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Cubic Spline Length & Subdivision NUBZLEN1.PDF #60 A tutorial and companion utility that lets you find the length of a Bezier Cubic Spline, as well as moving to any point on that curve, and subdividing into linear segments. |
Click for the Spline Length & Subdivide utility.
Click here for the PostScript library.
Click here for the Cubic Spline library.
Click here for the GuruGram 60 source code.
Click here to Contact the Author directly.
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Cubic Spline through four points NUBZ4PTS1.PDF #59 A tutorial and companion utility that lets you draw a Bezier Cubic spline through four data points, all of which are on the curve. Both "good" and iterative "shortest" solutions are shown. |
Click for the PostScript 4 point utility.
Click here for the PostScript library.
Click here for the Cubic Spline library.
Click here for the Guru 59 source code.
Click here to Contact the Author directly.
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The math behind Cubic Splines CUBEMATH.PDF #58 A tutorial on exactly where the underlying math behind Bezier cubic splines comes from. Includes plots of Basis Functions and the "snake in the box" visualization |
Click here for the Cubic Spline library.
Click here for the Guru 58 source code.
Click here to Contact the Author directly.
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Circle Cubic Spline Approximation ELLIPSE4.PDF #57 Circles and ellipses can be accurately approximated by four properly chosen cubic splines. Tutorial derives the approximation math for various spline fits from two through eight. |
Click here for the Cubic Spline library.
Click here for the Guru 57 source code.
Click here to Contact the Author directly.
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Universal .BMP Manipulator UNIBMPM.PDF #56 A PostScript framework that allows virtually any manipulation of the .BMP image format. Done by writing the entire bitmap into memory at once as an array of PostScript strings. Easily extensible. |
Click here for the Bitmap Manipulator utility.
Click for the UNIBMPM.PSL source code.
Click here for the PostScript library.
Click here to Contact the Author directly.
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Image Keystone Correction Ap KEYCOR01.PDF #55 An update and revision on our older swings and tilts utility that offers easier data entry, less trial and error, internal punchthru elimination and other advanced features. |
Click here for the Keystone Corrector utility.
Click for the KEYCOR01.PSL source code.
Click here to Contact the Author directly.
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Bitmap Perspective Lettering Ap PERSPEC1.PDF #54 A brief note showing how to improve perspective lettering on a bitmap image by rotating the image, unkeystoning it, using our bitmap typewriter and rotating back. For very impressive results. |
Click here for the Keystone Corrector utility.
Click here for the Bitmap Typewriter utility.
Click for the PERSPEC1.PSL source code.
Click here to Contact the Author directly.
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A Revised Bitmap Typewriter BMFAUTO1.PDF #53 A major overhaul of our previous utilities that generate ultra legible small forts for bitmap image retouch and other superlegibility apps. Fonts are now internally autogenerated on the fly. |
Click here for the Bitmap Typewriter utility.
Click here for the PostScript library.
Click for the BMFAUTO1.PSL source code.
Click here to Contact the Author directly.
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Full Raw PostScript Transparency PSTRANS2.PDF #52 Additions to Acrobat have finally made providing full transparency from PostScript easy and simple. A brief demo discusses the new SetTransparency PDFMark operator and how to use it. |
Click here for the Transparency Demo utility.
Click for the PSTRANS2.PSL source code.
Click here to Contact the Author directly.
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An Ongoing Refurb Log REFURBLG.PDF #51 A continuing weblog that reviews insider refurb secrets when and as they come up and are discovered. Some are electronic test gear specific, while other tips apply to nearly any refurb task. |
Click here for the Thoughts on Refurb tutorial.
Click for the REFURBLG.PSL source code.
Click here to Contact the Author directly.
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Extreme Display Legibility Secrets LEGIBLE1.PDF #50 A tutorial that shows you how to gain screen legibility that is better than the printed page! Subpixel direct digital display addressing, true post anti-aliasing, authoring techniques for improved legibility... |
Click here for the PostScript library.
Click hereto reach the Acrobat library.
Click for the LEGIBLE1.PSL source code.
Click here to Contact the Author directly.
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Enhancing your eBay Skills II ENHEBAY2.PDF #49 Tutorial on advanced eBay topics that include eBay phishing and fraud, the 1-2-4-8 ploy, "perfect" auctions, "perfect" products, Bruno, secrets of triage, the Alvin piles, thoughts on refurb, more... |
Click here for the Auction Help library.
Click here for Enhancing eBay Skills I.
Click for the ENHEBAY2.PSL source code.
Click here to Contact the Author directly.
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Adding Flashing Text to Acrobat PDFFLASH.PDF #48 A tutorial and set of utilities that let you add flashing text to Adobe Acrobat. Process is fast and simple when using JavaScript over Acrobat. Included example flashes the tutorial title. |
Click here for the PostScript library.
Click here to reach the Acrobat library.
Click for the PDFFLASH1.PSL source code.
Click here to Contact the Author directly.
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Real Time Acrobat Animation PDFANIM.PDF #47 A tutorial and set of utilities that let you do real time Adobe Acrobat animation using surprisingly compact files and easy commands. The specific example is of a Three Phase Power Simulation. |
Click for the Three Phase Power animation example.
Click for the PDFAMIN.PSL source code.
Click for the Rebounding EM theory tutorial.
Click here for the PostScript library.
Click hereto reach the Acrobat library.
Click here to Contact the Author directly.
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Acrobat .PDF Content Extractor EXTRACT1.PDF #46 A tutorial and set of utilities that let you extract text, url's, and other content from an Acrobat .PDF file. Also includes very useful word frequency analysis utilities. Requires uncompressed .PDF files. |
Click here for the PostScript library.
Click hereto reach the Acrobat library.
Click for the VIEWPDF1.PSL utility.
Click for the EXTRACT1.PSL source code.
Click for Win UncompressPDF.API plugin.
Click here to Contact the Author directly.
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Word Frequency Analysis WORDFRQ.PDF #45 A tutorial and set of utilities for word frequency analysis. Used to improve author writing quality, to extract keywords from web pages, to generate indexes, or evaluate reading grade levels. |
Click here for the PostScript library.
Click for the WORDFRQ1.PSL utility.
Click here for the WORDFREQ.PSL source code.
Click here to Contact the Author directly.
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Arizona Auction Resources Tour AZAUCT01.PDF #44 A tutorial guided tour of some Arizona Auction Resources. Classified ads. Auctioneer associations. The biggies. Government Liquidation. Good old boys and gals. Schools. Heavy equipment. more... |
Click here for the Auction Help library.
Click for a Custom Auction Finder resource.
Click here for the REBOUND1.PSL source code.
Click here to Contact the Author directly.
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Simple new EM field solutions REBOUND1.PDF #43 Total Heresy new "Rebounding" method of solving electromagnetic fields that requires NO fancy math! Zero Laplacian solution tutorial includes printed circuit, busbar, and 3-phase conduit examples. |
Click here for the PostScript library.
Click for the PS Rebounding utility.
Click here for the REBOUND1.PSL source code.
Click here to Contact the Author directly.
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PS Array to Image Conversion PSAR2IMG.PDF #42 Extensive graphics calculations involving arrays in the PostScript language can be converted to compact and fast executing standard images by using these obscure and little known techniques. |
Click here for the PostScript library.
Click here for the Original Slower demo.
Click for the PS Array to Image utility.
Click here for the PSAR2IMG.PSL source code.
Click here to Contact the Author directly.
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Enhancing your eBay Skills I ENHEBAY1.PDF #41 Tutorial on advanced eBay topics that include Vickrey auction theory, the Uniform Commercial Code, currency thresholds, theft prevention, live auction guidelines, plus much more... |
Click here for the Auction Help library.
Click to reach our eBay Store.
Click here for the ENHEBAY1.PSL source code.
Click here to Contact the Author directly.
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MagSine PIC Programming Guide MSPICPRO.PDF #40 Tutorial guidelines for writing PIC based sourcecode for Magic Sinewaves. Why PIC? Getting started. Tools. First Principles. A precision time delay. Delay expansion. Updating. Sync, more... |
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave intro.
Click for a 3-phase Magic Sinewave tutorial.
Click for a Magic Sinewave development proposal.
Click here to Order MSD28-05X chips & source code.
Click here for the MSPICPRO.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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Fun With Fields FUNFIELD.PDF #39 Using PostScript to quickly solve advanced field problems with astonishingly simple math. Gradients, Equipotentials, Laplacians. |
Click here for the FUNFIELD.PSL source code.
Click here for the FIELDS01.PDF field generator.
Click here for the FIELDS01.PDF field from.
Click here to reach the Math Stuff library.
Click here to reach the PostScript library.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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Improved Magic Sinewave Chip NUMSCHIP.PDF #38 Combined data sheet and application note for a second and improved Magic Sinewave demo/evaluation chip. This MSD28D-05X combines 3-phase zeroing of harmonics 2-22 with improved inputs and sync. |
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave intro.
Click for a 3-phase Magic Sinewave tutorial.
Click for a Magic Sinewave development proposal.
Click here to Order MSD28-05X chips & source code.
Click here for the NUMSCHIP.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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High Legibility Fonts Tutorial BMFONTS.PDF #37 Shows how to use the ultra legible precision bitmapped fonts along with their file formats and generation and placement utilities. Exceptionally useful for improving lettering on eBay photo images. |
Click to reach the Bitmap Fonts repository.
Click here for the Bitmap Typewriter utility.
Click here for the BMFONTS.PSL sourcecode.
Click to reach the Fonts & Images library.
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Monthly Logfile Stats Addition HISTOLOG.PDF #36 Some expansions and add-ons to our custom Log File Reader that gives you trailing monthly stats, among with most popular long term files, errors, and referrals. |
Click for the original Log File Reader tutorial.
Click here for the HISTOLOG.PSL source code.
Click here for the Auction Help library.
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The Saga of the Dripping Stalactites STALAC.PDF #35 Celebrating the beauty of applied mathematics, first through a catalog of our more obscure "fun with long strings of numbers" topics and then by way of the Magic Sinewave timeline history. |
Click here to reach the Math Stuff library.
Click here for the SIGVIEW.PSL source code.
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave intro.
Click for a Magic Sinewave development proposal.
Click here to Order MSD-28X chips & source code.
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Magic Sinewave Spectrum Analysis SIGVIEW.PDF #34 The SigView shareware looks like it should be exceptionally useful for analyzing both virtual and real world Magic Sinewaves. Brief note shows some key sampling workarounds and access secrets. |
Click to reach the SigView website
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave intro.
Click for a Magic Sinewave development proposal.
Click here to Order MSD-28X chips & source code.
Click here for the SIGVIEW.PSL source code.
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Magic Sinewave Demo Hardware! MSCHIPS.PDF #33 Combined data sheet and application note for the very first available Magic Sinewave demo/evaluation chips. This MSD28D-04X offers full 3-phase compatibility + best efficiency zeroing of harmonics 2-22. |
Click here for the Magic Sinewave library.
Click here for a Magic Sinewave intro.
Click for a 3-phase Magic Sinewave tutorial.
Click for a Magic Sinewave development proposal.
Click here to Order MSD-28X chips & source code.
Click here for the MSCHIPS.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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A PostScript Heap Sort HEAPSORT.PDF #32 Tutorial and analysis of the heap sort, an exotic search algorithm that both offers exceptional speed for large n combined with acceptable performance for everyday use. |
Click here for the PostScript library.
Click for the HEAPPS01.PSL test & demo code.
Click here for the HEAPSORT.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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Some Simple PostScript Sorts PRESORT.PDF #31 Tutorial and utilities shows a group of bubble sorts and 12x faster presorted bubble sorts that are easy to use for smaller n. Optionally sorts on popularity instead of alphabetically. |
Click here for the PostScript library.
Click for the PRESORT1.PSL test & demo code.
Click here for the PRESORT.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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PostScript String Conversions STRCONV.PDF #30 Tutorial shows a collection of crucial and little known PostScript programming secrets involving conversion between strings, integers, arrays, and dictionaries. Includes sorting and dereferencing routines. |
Click here for the PostScript library.
Click for the older STRCONV.HTML tutorial.
Click here for the STRCONV.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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Using Distiller to run PostScript! DISTLANG.PDF #29 Acrobat Distiller makes a superb host based PostScript computer! Greatly expanded tutorial and update of DISTLANG.HTML reveals the key concepts and insider tricks involved. |
Click here for the PostScript library.
Click for the older DISTLANG.HTML tutorial.
Click here for the DISTLANG.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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Logfile Reader & eBay Analyzer ANALOGEB.PDF #28 Tutorial shows how to use new web logfile analysis utilities that include automatic eBay hit reports, eBay image theft detection, plus detailed individual visitor logs. Totally customizable. |
Click for the Web Logfile Analyzer utility.
Click for a Web Logfile Analyzer output demo.
Click for a Web Logfile Analyzer input workfile.
Click here for additional eBay help.
Click here for the ANALOGEB.PSL source code.
Click here for additional Consulting services.
Click here to Contact the Author directly.
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Magic Sinewave Quantization MSQUANT.PDF #27 Do accurate predictions of the exact changes in Magic Sinewave distortion and jitter caused by 8-bit quantization for a selected clock frequency. Includes tutorial and links to useful utilities. |
Click for the Magic Sinewave Quantization utility.
Click for the Quantization utility output log data.
Click for the Quantization utility PDF plots.
Click here for the Magic Sinewave library.
Click here for a Magic Sinweave intro.
Click for a Magic Sinewave development proposal.
Click here for the MSQUANT.PSL source code.
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Successful eBay Buyer Strategies EBAYBUY.PDF #26 A summary of essential rules for eBay buyer success. Understand proxy bidding. Proxy bid your max. Bid based on total costs. Ask before you bid. Bid odd amounts above resistance thresholds. more... |
Click here for the Auction Help library.
Click here for the EBAYBUY.PSL source code.
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Successful eBay Seller Strategies EBAYSELL.PDF #25 A summary of essential rules for eBay seller success. Offer unique products not available elsewhere. Be a manic and evangelical expert in those products. Maximize personal value added. Bunches more... |
Click here for the Auction Help library.
Click here for the EBAYSELL.PSL source code.
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Magic Sinewave Visualizations VISMAGSN.PDF #24 Delay and width versus amplitude plots of the two most useful magic sinewaves reveal that 8-bit data storage can be adequate when used with care and that only five bytes need stored per amplitude. |
Click here for the Magic Sinewave library.
Click here for a Magic Sinweave intro.
Click for a Magic Sinewave development proposal.
Click here for the VISMAGSN.PSL source code.
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Fancy .JPG to .PDF Conversions JPG2PDF.PDF #23 A tutorial and code analysis of converting .JPG images into PostScript or Acrobat PDF pages. Includes automatic position tracking, simple post editing, and auto-URL expansion linking. |
Click here for JPG2PDF.PSL sourcecode.
Click here for the EBAYFOTO.PDF demo.
Click here for the Son of eBay Secrets tutorial.
Click here to reach the Acrobat library.
Click here to reach the PostScript library.
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My eBay Photo Secrets EBAYFOTO.PDF #22 Highly detailed tutorial on creating successful eBay product photos. Fundamentals. The "hex" method. The "square" method. Dealing with image theft. Links to dozens of postproc utilities, more... |
Click here for EBAYFOTO.PSL sourcecode.
Click here for the My eBay Secrets tutorial.
Click here for the Son of eBay Secrets tutorial.
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Website Video Wipes & Fades FADEWIPE.PDF #21 Brief tutorial reviews the Windows RevealTrans operator and shows how to access a library of 24 wipe, fade, and dissolve screen effects. Accessible from newer browsers and many other programs. |
Click here for FADEWIPE.PSL sourcecode.
Click here to reach the Captain Video library.
Click here to reach the Webmastering library.
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Gonzo PS Powerpoint Emulator GONZOPOW.PDF #20 Converting PowerPoint slides for .PDF web presentation presents all sorts of problems that are completely eliminated by using this direct raw PostScript slide show emulator. Uses Gonzo utilities. |
Click here to for the MSINTRO1.PDF demo.
Click here to for the DELTAMS1.PDF demo.
Click here for the MSINTRO1.PSL sourcecode.
Click here for GONZOPOW.PSL source code.
Click here to reach the PostScript library.
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Magic Sinewave Distortion Note MINDIST1.PDF #19 Eight simple workarounds show how to allow 8-bit magic sinewave table lookup data while still preserving very low distortion. The techniques include linear deviation, summing , and scaling. |
Click here for the Magic Sinewave library.
Click here for a Magic Sinweave intro.
Click for a Magic Sinewave development proposal.
Click here for the MINDIST1.PSL source code.
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Fitting Power Curve Data Points POWERFIT.PDF #18 Tutorial and guide to CURVEFT3.PSL utility shows how to exactly fit data points to a power series curve. Ten or more points are easily and exactly fitted by using a Gauss-Jordan elimination technique. |
Click here to reach the PostScript library.
Click here to reach the Math Stuff library.
Click here for the CURVEFT3.PSL utility.
Click here for POWERFIT.PSL source code.
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Dodge & Burn Tutorial & Utility DODGEBUR.PDF #17 A tutorial on our DODBUR01.PSL utility that gives all sorts of image improvement corrections to .BMP image files. includes dodges, burns, hue & saturation adjust, vignette, chroma, masking, more... |
Click here for the DODBUR01.PSL utility.
Click here for the DODGEBUR.PSL sourcecode.
Click here for the Gonzo utilities.
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PS Runtime Speedup Techniques SPEEDUP2.PDF #16 Tutorial and guidelines shows you how to speedup the runtime of your PostScript-as-Language routines. Includes stopwatch measurement tools, table lookups, more. |
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the SPEEDUP2.PSL sourcecode.
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Digital Camera Swings & Tilts SWINGTLT.PDF #15 A tutorial on our SWINGT01.PSL utility that provides image rectification and distortion correction for 24-bit uncompressed .BMP image files. Makes your vertical edges truly vertical. |
Click here for the SWINGT01.PSL sourcecode.
Click here for the SWINGTLT.PSL sourcecode.
Click here for the Gonzo utilities.
Click here for the Before .BMP test file.
Click here for the Before .JPG example.
Click here for the After .JPG example.
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Exploring the .BMP data format EXPBMP.PDF #14 The .BMP data format is essential any time you are post-processing any image. Here is a tutorial review and a bunch of utilities that let you dramatically improve your images. |
Click here for the EXPBMP.PSL sourcecode.
Click here for the Gonzo utilities.
Click here for a Sample Demo.
Click here for more BMP Manipulation help.
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PostScript Disk Access Notes PSDISK03.PDF #13 Reviews PostScript Level II and Level III disk access, both for the AFS PS peripheral drives and the Acrobat (%os%) host access. Includes resources, links, utilities, examples, and applications. |
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the PSDISK03.PSL sourcecode.
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PS Search-and-Replace Utility PSSEARCH.PDF #12 Does a true 8-bit search and replace of any disk file, including PDF files without the reserved character and line ending problems of word processors. Includes PDF examples and reviews PS disk basics. |
Click here for the actual SEAREPL.PSL utility.
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the PSSEARCH.PSL sourcecode.
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Exploring the Acrobat 5 SDK STARTSDK.PDF #11 Here's a summary of the rude surprises I found when I started to use the new Acrobat 5 SDK. Along with precompiled links for url checks, transparency mods, image insertion, and watermarks. |
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the STARTSDK.PSL sourcecode.
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PS internaldict & pdfmark cmdset INTERDIC.PDF #10 Brief tutorial reviews PostScript's Internaldict features and superexec operators. Used to find Distiller's 46 pdfmark commands, most of which appear to be fully documented. |
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the INTERDIC.PSL sourcecode.
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PostScript Acrobat Transparency (!) PSTRANS.PDF #09 Preliminary tutorial and utility shows how to use PostScript and Acrobat Distiller to create full transparency in PDF files. The technique combines raw PostScript with simple post-patching. |
Important Note: This special file is ONLY to be viewed by Acrobat 5
or genuine Adobe PDF 1.4 or higher.
Click for the G9DEMOX.PSL demo sourcecode.
Click for the G9DEMOX.PDF intermediate result.
Click for the G9DEMO.PDF patched final result.
Click for the G9DEMOY.PSL improved demo sourcecode.
Click for the G9DEMOYX.PDF improved intermediate result.
Click for the G9DEMOY.PDF improved patched final result.
Click for GuruGram #12 "PDF safe" search & replace routines.
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the PSTRANS.PSL sourcecode.
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PS Flate Compression Viewer FLATEVUE.PDF #08 Tutorial reviews use of a new PostScript/Acrobat utility that lets you convert Flate compressed objects into plaintext. Flate is a LZW variant used in PDF files that is faster and royalty free. |
Click here for the FLATVUE1.PSL utility.
Click here to reach the PostScript library.
Click here to reach the Acrobat library.
Click here for the FLATVUE.PSL sourcecode.
Click for an UNCOMPRESS.API Acrobat plugin
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"Overunity" battery analysis OVERBATT.PDF #07 Brief note iinvestigates recent web "perpetual motion"claims. A pair of credible explanations includes pulse recharging of lead acid batteries combined with "not even wrong" rms measurements. |
Click here for an Energy Fundamentals tutorial.
Click here to reach the Pseudoscience library.
Click herefor the OVERBATT.PDF sourcecode.
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Acrobat "Galley Slave" GALLERY.PDF Sourcecode and insider secrets for PDF thumbnail gallery generation. The many advantages over HTML include data base sourcing, single file delivery and fast images. |
Click here for additional PostScript help.
Click here for more Acrobat PDF assistance.
Click here to view our eBay live auctions.
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Auto-Tracking PDF web links AUTOURL.PDF Sourcecode and insider secrets for automatically repositioning Acrobat url links. These can be data base entered and are totally source document controlled. They move correctly upon editing. |
Click here for additional PostScript help.
Click here for more Acrobat PDF assistance.
Click here for email contact or feedback.
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Using Cubic Splines for Image Interpolation BASIS.PDF Cubic spline Basis Functions are a powerful but little understood method of curve control. Tutorial includes fundamentals along with application of hires cubic splines to image interpolation . |
Click here for additional Cubic Spline help.
Click here for more Fonts& Images assistance.
Click here to view our Bargain Pages .
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Magic Sinewave Harmonic Spectra SPECD28.PDF Example of the unfiltered spectra of a typical magic sinewave. Shows how all low harmonics are zero and how remaining energy is forced high in frequency. Specific to a MS28NDX Magic Sinewave. |
Click here for Harmonic Spectra sourcecode.
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Magic Sinewave Fourier Checkplot PLOTD28.PDF Verifies that magic sinewave calculations do create the waveforms described by their Fourier Series calculations. This example is specific to a MS28NDX Magic Sinewave. |
Click here for additional Magic Sinewave help.
Click for a Magic Sine wave Development Proposals.
Click here for custom InfoPack consulting services
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Intro Steplock Apnote IDES01.PDF Brief trade journal submission summarizes steplock magic sinewaves and shows waveforms for a best efficiency steplock-28 and a delta friendly steplock-28 of amplitude 0.53. With links. |
Click here for additional Magic Sinewave help.
Click for a Magic Sinewwave Development Proposals.
Click here for custom InfoPack consulting services.
| Earlier and Related Columns: | . |
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The GuruGrams largely superseded Don's Tech Musings print
columns, which in turn followed his Hardware Hacker series.
Somewhat less technical topics continue as the Blatant Opportunist
ezines, while the Resource Bin is now a custom InfoPack service.\
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