Evgeny Kotsuba - gDiagramm

gDiagramm v 0.0.5

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
2D data
2D experimental data

What's inside?
gDdll.dll made from

gd library 2.0.33 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
libpng 1.2.8
zlib 1.2.1

gDiagramm v0.05

gDiagramm v0.05 (exe+gDdll.dll+examples+src)

History:

v0.05 25.06.2005

Upgrage source code for gd lib, zlib, libpng
added support for FtreeType
added support for 2D vercor data

v0.03 12.01.2002

add field.useAsX
add sample & gd doc
bugs fixed

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

Last change 25.06.2005

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
2D data