Evgeny Kotsuba - gDiagramm

gDiagramm v 0.0.3

fast and simple plotting for web applications etc.

(с) evgen

What is it?

Picture on right was made in tenth of second from command line:
gDiagramm.exe TempTest.dat TempTest.form demo.png

Sample of data file (logfile of temperature measurement TempTest.dat)
Graph present columns 2 and 3 (first column is zero, as in C-notation)
60, 0.000, 28.62,27.30, 28.25,27.00, 28.75,28.00, 0.133,0.183, 0,0,Tue Jul 3 18:39:02 2001
120, 0.980, 28.62,27.13, 28.25,26.25, 29.50,27.50, 0.206,0.272, 0,0,Tue Jul 3 18:40:02 2001
180, 0.980, 28.77,27.03, 28.50,26.50, 29.50,28.00, 0.160,0.263, 0,0,Tue Jul 3 18:41:02 2001
240, 0.980, 29.12,26.98, 28.00,26.25, 29.75,27.50, 0.235,0.228, 0,0,Tue Jul 3 18:42:02 2001
300, 0.980, 29.54,26.96, 29.25,26.25, 30.50,28.00, 0.215,0.251, 0,0,Tue Jul 3 18:43:02 2001
360, 0.980, 30.07,26.92, 29.75,25.50, 30.50,27.25, 0.187,0.268, 0,0,Tue Jul 3 18:44:02 2001
[....]

File with description of data format (TempTest.form) ;format string
form.Format=%i,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%i,%i,%s %s %s %i:%i:%i %i
form.DimX=512
form.DimY=256
form.FileOut=demo.png
form.Title=Graph of temperature
form.BackColor=0xb0b0b0
form.FormatX=%.f
form.FormatY=%.2f
field2.use=1
field2.name=T fliud
field2.color = 0x00bf00
field3.use=1
field3.name=T Air
field3.color = 0x0000bf

Second example:
voltage in Volts vs time in seconds
u220.png

What's inside?

gd library 2.0.1 with some fixes, soures included

coordinates origin is placed in left bottom conner instead of left upper,
A couple of functions is added for text output with aligment
internal fonts were changed to russian fonts with CP866

jpeglib 6b of 27-Mar-1998, Independent JPEG Group (lib only)
libpng 1.0.11 (lib only)
zlib 1.1.3 (lib only)

State of project: very early alpha

gDiagramm v0.03 (exe+samples)
gDiagramm v0.03 (src)

History:
v0.03 12.01.2002

add field.useAsX
add sample & gd doc
bugs fixed

Last change 29.12.2001

Picture on right was made in tenth of second from command line: gDiagramm.exe TempTest.dat TempTest.form	demo.png
Sample of data file (logfile of temperature measurement TempTest.dat) Graph present columns 2 and 3 (first column is zero, as in C-notation)	60, 0.000, 28.62,27.30, 28.25,27.00, 28.75,28.00, 0.133,0.183, 0,0,Tue Jul 3 18:39:02 2001 120, 0.980, 28.62,27.13, 28.25,26.25, 29.50,27.50, 0.206,0.272, 0,0,Tue Jul 3 18:40:02 2001 180, 0.980, 28.77,27.03, 28.50,26.50, 29.50,28.00, 0.160,0.263, 0,0,Tue Jul 3 18:41:02 2001 240, 0.980, 29.12,26.98, 28.00,26.25, 29.75,27.50, 0.235,0.228, 0,0,Tue Jul 3 18:42:02 2001 300, 0.980, 29.54,26.96, 29.25,26.25, 30.50,28.00, 0.215,0.251, 0,0,Tue Jul 3 18:43:02 2001 360, 0.980, 30.07,26.92, 29.75,25.50, 30.50,27.25, 0.187,0.268, 0,0,Tue Jul 3 18:44:02 2001 [....]
File with description of data format (TempTest.form)	;format string form.Format=%i,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%i,%i,%s %s %s %i:%i:%i %i form.DimX=512 form.DimY=256 form.FileOut=demo.png form.Title=Graph of temperature form.BackColor=0xb0b0b0 form.FormatX=%.f form.FormatY=%.2f field2.use=1 field2.name=T fliud field2.color = 0x00bf00 field3.use=1 field3.name=T Air field3.color = 0x0000bf
Second example: voltage in Volts vs time in seconds	u220.png