plot with image and set arrow

[matrix72]

Hello all.

I need help for the following problem, anyone know the solution plz help.

Line 1 and 2 below show an excerpt from my gnuplot file

1. set arrow from x1,y1 to x2,y2 nohead lw 0
2. plot "file.txt" with image

What I try do to is to plot an image based on data from "file.txt" (line 2).
In this image I want to draw a line from x1,y1 to x2,y2 (line 1). The problem
is that the line draw is hidden behind the image drawn in line 2. Even though
I change the order of line 1 and 2, the same problem occurs.
Anyone know the solution plz help?

Thanks for your time

vph

[Thomas Sefzick]

set arrow from x1,y1 to x2,y2 nohead lw 0 front

matrix72 wrote:

Hello all.

I need help for the following problem, anyone know the solution plz help.

Line 1 and 2 below show an excerpt from my gnuplot file

1. set arrow from x1,y1 to x2,y2 nohead lw 0
2. plot "file.txt" with image

What I try do to is to plot an image based on data from "file.txt" (line 2).
In this image I want to draw a line from x1,y1 to x2,y2 (line 1). The problem
is that the line draw is hidden behind the image drawn in line 2. Even though
I change the order of line 1 and 2, the same problem occurs.
Anyone know the solution plz help?

Thanks for your time

vph

[matrix72]

Hi.

Thx to the solution from Thomas Sefzick. However, I've also experience another minor problem that I'm pretty sure there must be a solution.

The problem is as follows:

1. set arrow from x1,y1 to x2,y2 nohead lw 0 front
2. set label "A" at x1,y1 center font "Bold,14" textcolor lt 1 front
3. set label "B" at x2,y2 center font "Bold,14" textcolor lt 1 front
4. plot "file.txt" with image

The problem is that the line (in line 1) is drawn on top of the label A and B (line 2 and 3). This happens even though I put line 1 below line 2 and 3. What I want is to draw the label A and B on top of the line such that the order is like this:

1. Label A and B (top order)
2. Line
3. Image (bottom order)

Anyone know the solution plz help.

Regards

Matrix72

-----Original Message-----
From: Thomas Sefzick [mailto:t.sefzick@...]
Sent: 16. juni 2009 12:38
To: gnuplot-info@...
Subject: Re: [Gnuplot-info] plot with image and set arrow


set arrow from x1,y1 to x2,y2 nohead lw 0 front


matrix72 wrote:

>
> Hello all.
>
> I need help for the following problem, anyone know the solution plz help.
>
> Line 1 and 2 below show an excerpt from my gnuplot file
>
> 1. set arrow from x1,y1 to x2,y2 nohead lw 0
> 2. plot "file.txt" with image
>
> What I try do to is to plot an image based on data from "file.txt" (line
> 2).
> In this image I want to draw a line from x1,y1 to x2,y2 (line 1). The
> problem
> is that the line draw is hidden behind the image drawn in line 2. Even
> though
> I change the order of line 1 and 2, the same problem occurs.
> Anyone know the solution plz help?
>
> Thanks for your time
>
> vph
>
>

--
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------------------------------------------------------------------------------
Crystal Reports - New Free Runtime and 30 Day Trial
Check out the new simplified licensing option that enables unlimited
royalty-free distribution of the report engine for externally facing
server and web deployment.
http://p.sf.net/sfu/businessobjects
_______________________________________________
Gnuplot-info mailing list
Gnuplot-info@...
https://lists.sourceforge.net/lists/listinfo/gnuplot-info

[Thomas Sefzick]

the sequence in 'do_plot()' in 'graphics.c' is:
...
place_objects(.,0,.,.)
place_labels(.,0,.)
place_arrows(0)
then the plot is done, and then
...
place_objects(.,1,.,.)
place_labels(.,1,.)
place_arrows(1)

i see no other way than downloading the source and modifying
and compiling it in order to get the sequence you need.

matrix72 wrote:

Hi.

Thx to the solution from Thomas Sefzick. However, I've also experience another minor problem that I'm pretty sure there must be a solution.

The problem is as follows:

1. set arrow from x1,y1 to x2,y2 nohead lw 0 front
2. set label "A" at x1,y1 center font "Bold,14" textcolor lt 1 front
3. set label "B" at x2,y2 center font "Bold,14" textcolor lt 1 front
4. plot "file.txt" with image

The problem is that the line (in line 1) is drawn on top of the label A and B (line 2 and 3). This happens even though I put line 1 below line 2 and 3. What I want is to draw the label A and B on top of the line such that the order is like this:

1. Label A and B (top order)
2. Line
3. Image (bottom order)

Anyone know the solution plz help.

Regards

Matrix72