PLOTTING & GRAPHING
sa CHART RECORDER
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Some plotting comments. More discussion of the problems in designing and building a plotter using the hobby servomechanism described briefly on pages 9 and 10 of the March 1977 issue. BYTE Feb 1978 (v.3#2) pg. 172
Hidden line subroutines for threedimensional plotting. Algorithms developed are given in BASIC language. BYTE May 1978 (v.3#5) pg. 49
PLOT3D: a function plotting program. A BASIC program used for threedimensional projections into twodimensional plots. Plots are printed on a standard ASCII printing terminal. BYTE May 1978 (v.3#5) pg. 60
A theatrical lighting graphics package. Simple modification to a Processor Technology VDM1 board in an 8080 based microcomputer enables the video display to illustrate five simultaneous graphs of theater lighting intensity versus time. BYTE Jun 1978 (v.3#6) pg. 153
Build an XY plotter using an ETCHASKETCH toy as the starting point. Some tips, but no complete instructions. BYTE Feb 1979 (v.4#2) pg. 66
The XYZ phenomenon: Stereoscopic plotting by computer. Threedimensional simulation using optical devices and computer graphics. Includes a North Star BASIC program for generating 3D stereo image pairs. Output the images on an analog chart recorder. Use simple optics to view the result. BYTE Oct 1979 (v.4#10) pg. 140
Shape table conversion for the Apple II. A BASIC subroutine to automatically perform the plot conversion to hexadecimal and put the values into the shape table. BYTE Nov 1979 (v.4#11) pg. 63
The plot continues. Description of an XY plotter design. BYTE Jan 1980 (v.5#1) pg. 138
A first look at graph theory applications. Fundamental concepts of graph theory and two methods of directedgraph storage. BYTE Feb 1980 (v.5#2) pg. 18
Convert a childs "EtchASketch" into an XY plotter through the addition of stepping motors and drive circuit. Includes programs written in 6502 assembler for KIM1 computer. BYTE Feb 1980 (v.5#2) pg. 202
Graphic color slides. Part 1. A series of useful subroutines for generating color images on a Compucolor II computer. BYTE Nov 1980 (v.5#11) pg. 126
A general interpolating graphics package for the TRS80. Use it to plot any analytic function. It interpolates between points of a graphed function and threedimensional figures. Written in Level II BASIC. BYTE Nov 1980 (v.5#11) pg. 296
Correction BYTE Jul 1981 (v.6#7) pg. 118
Graphic color slides. Part 2. Using subroutines to generate equation plots, histograms, regression and monthly analysis graphs. BYTE Dec 1980 (v.5#12) pg. 96
Digital plotting with the Apple II computer. Hardware interface and software to drive a Hiplot digital plotter from the Apple II TTL logic, bypassing the UART. BYTE May 1981 (v.6#5) pg. 296
Fast linedrawing routines use DDA (digital differential analyzer) algorithm. BYTE Aug 1981 (v.6#8) pg. 414
Drawing with UCSD Pascal and the Hiplot plotter. Routines that simplify the process of drawing lines and characters on the Houston Instrument Hiplot plotter. BYTE Oct 1981 (v.6#10) pg. 214
A BASIC plotting subroutine lets the Epson MX80 emulate sophisticated plotters. BYTE Mar 1982 (v.7#3) pg. 142
Diablo printer shapetable drawing program in BASIC for the Apple II computer. BYTE Mar 1982 (v.7#3) pg. 310
Histogram generating program is written in Commodore BASIC. Included in an article describing an archaeological report generating program. BYTE Jul 1982 (v.7#7) pg. 76
Autograph: a plotting subroutine in TRS80 Level II BASIC. BYTE Jan 1983 (v.8#1) pg. 381
Shapetable graphics for the TRS80 allows you to draw complex shapes with a single command. KWIKDRAW program written in assembly language may be incorporated into a BASIC program. BYTE Feb 1983 (v.8#2) pg. 392
A fast shape subroutine that plots highresolution shapes on the Apple II. BYTE Aug 1983 (v.8#8) pg. 292
Curious coordinates for computer graphics. A BASIC subroutine to convert elliptical polar coordinates of scale C to Cartesian types. BYTE Aug 1983 (v.8#8) pg. 386
Mainframe graphics on a microcomputer. Display Tektronixtype plots on your microcomputer using this emulation program. BYTE Oct 1983 (v.8#10) pg. 439
Make fast and simple contour plots on a microcomputer using CONDOT written in BASIC. Program contains only 57 commands. BYTE Nov 1983 (v.8#11) pg. 487
An examination of the mathematical properties of dragon curves and a TRS80 BASIC program to print them on an IDS Paper Tiger printer. BYTE Dec 1983 (v.8#12) pg. 457
Correction BYTE Aug 1984 (v.9#8) pg. 40
Fitting curves to data using the Simplex algorithm. Includes a program written in Pascal/Z. BYTE May 1984 (v.9#5) pg. 340
Added Info BYTE Oct 1984 (v.9#11) pg. 16
Cluster analysis program written in BASIC. Produces a simple, unique tree diagram (dendrogram) that shows group similarities and differences. BYTE Sep 1984 (v.9#10) pg. 129
Correction BYTE Dec 1984 (v.9#13) pg. 34
Neuractor. Part 2. Assembling an XY table for drawing or computeraided CNC (computer numerical control) machining system. COMPUTERCRAFT Aug 1992 (v.2#8) pg. 33
Learning to use an XY plotter. COMPUTERS & ELECTRONICS Mar 1984 (v.22#3) pg. 36, 104
Experimenting with computer art. Using pen plotters to generate "plotter art". COMPUTERS & ELECTRONICS May 1984 (v.22#5) pg. 26
Creative text formating with an XY plotter. How to use the XY plotter to handle simple chores like printing brief notes, letters, labels and signs. COMPUTERS & ELECTRONICS Mar 1985 (v.23#3) pg. 13
Creating custom characters with an XY plotter. COMPUTERS & ELECTRONICS Apr 1985 (v.23#4) pg. 8
Advanced Graph. A BASIC program plots up to 4 graph lines simultaneously on the same graph. COMPUTERS & PROGRAMMING JulAug 1981 (v.21#4) pg. 46
Histogram program (bar graph program) displays from 2 to 15 pieces of data as a vertical bar graph on the TRS80 computer. Written in BASIC. COMPUTERS & PROGRAMMING JulAug 1981 (v.21#4) pg. 47
Build this XY plotter for your PC and plot curves, draw circuitboard patterns, create artistic designs, etc. Stepper motors drive overlapping "tee frames" which move the pen holder. ELECTRONICS NOW May 1994 (v.65#5) pg. 57
Program written in TRS80 Level II BASIC will plot a graph with up to 12 horizontal coordinates and 10 vertical coordinates. ELEMENTARY ELECTRONICS JanFeb 1980 (v.20#1) pg. 76
Universal graphing program. A BASIC program to transform abstract equations into tangible graphs. A utility program to plot mathematical functions. HANDSON ELECTRONICS Jan 1989 (v.6#1) pg. 62
Simple BAR GRAPH PLOTTER program is written in PET BASIC. Use to display graphs on a video display. KILOBAUD MICROCOMPUTING #28 Apr 1979 pg. 90
Graphing with the TRS80. How to plot curves on an XY axis. Includes a BASIC program for displaying the curves associated with mathematical formulas on a CRT. KILOBAUD MICROCOMPUTING #29 May 1979 pg. 100
Vector graphing techniques on a North Star computer equipped with a Merlin Video Interface board. KILOBAUD MICROCOMPUTING #30 Jun 1979 pg. 64
Subroutines use a printer as a very "course" graphics display to plot curves (functions) or data. KILOBAUD MICROCOMPUTING #39 Mar 1980 pg. 167
Added Info KILOBAUD MICROCOMPUTING Jan 1982 (v.6#1) pg. 180
Automatic selection of plotting limits. BASIC program determines the optimum limits for graphics and charts. KILOBAUD MICROCOMPUTING #41 May 1980 pg. 26
Graphs, plus. Five subroutines to generate curves or bar graphs. Written in BASIC. KILOBAUD MICROCOMPUTING #42 Jun 1980 pg. 198
Plotting with the Heath XY recorder. Tips on assembling the kit and BASIC subroutines to drive the recorder. KILOBAUD MICROCOMPUTING #57 Sep 1981 (v.5#9) pg. 150
Normal curve plotter and calculator program is written in BASIC for the TRS80 computer. KILOBAUD MICROCOMPUTING #58 Oct 1981 (v.5#10) pg. 188
A/D converter program for an Apple II computer allows the computer to capture rapidly changing dc voltages and display the resultant plot on the video screen. KILOBAUD MICROCOMPUTING Jan 1982 (v.6#1) pg. 68
Lissajous curve plotting program for the 16K 400/800 Atari. MICROCOMPUTING Jun 1982 (v.6#6) pg. 118
Added Info MICROCOMPUTING Oct 1982 (v.6#10) pg. 149 (Applesoft version).
What you didn't know about the NEC Spinwriter. Learn how to generate matchless business graphics. Includes programs for the Commodore computer. MICROCOMPUTING Oct 1982 (v.6#10) pg. 32
North Star BASIC program for plotting with the Okidata Microline 80 dot matrix printer. MICROCOMPUTING Nov 1982 (v.6#11) pg. 56
The good, the CAD, and the Apple. Part 2. How to interface the Logo program to a Houston Instrument Hi Plot plotter model DMP4. MICROCOMPUTING #86 Feb 1984 (v.8#2) pg. 88
BASIC program for drawing bar graphs (both horizontal and vertical). POPULAR ELECTRONICS [1] Aug 1982 (v.20#8) pg. 84
Introduction to phaseplane plots, a two or threedimensional plot of the amplitude versus the phase angle of some value of some physical or abstract system. Lissajous figures are one of the oldest of these plots. RADIOELECTRONICS May 1989 (v.60#5) pg. 67
