Re: Problem with the Grapical Arrows
- To: mathgroup at smc.vnet.net
- Subject: [mg22653] Re: [mg22622] Problem with the Grapical Arrows
- From: BobHanlon at aol.com
- Date: Thu, 16 Mar 2000 09:11:10 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
In your first example, the coordinates for the Arrow are not within the
PlotRange. Although, even if they were, the Arrow would be too small to be
seen. The Arrow coordinates are not scaled (see your second example).
Bob Hanlon
In a message dated 3/15/2000 12:13:00 AM, com3 at ix.netcom*NOSPAM*.com writes:
>I've produced 4 separate plots and have combined them into a single
>plot using the Show command.
>
>I then need to annotate this plot and do so with the Text and Epilog
>commands. . . so far so good.
>
>I would now like to add an arrow to this plot but can't get it to
>work. See my code below.
>
>
>Needs["Graphics`Arrow`"]
>Needs["Graphics`FilledPlot`"]
>Show[plot1,plot3,plot2,plot4,
>PlotRange->{{20000,52000},{0,.00014}},
>FrameTicks->{None,None,None,None},
>FrameLabel->{"xlabel",
> "ylabel" },
>Epilog->{Text["A",Scaled[{.315,.97}]],
>Text["B",Scaled[{.62,.73}]],
>Text["C",Scaled[{.46,.36}]],
>Text["D",Scaled[{.55,.9}]],
>Text["E",Scaled[{.8,.8}]],
>Text["F",Scaled[{.65,.26}]],
>Arrow[{.9,.9},{.1,.1}] }]
>
>A couple of the plots are "filled" that's why
>Needs["Graphics`FilledPlot`"] is shown.
>
>The plots 1 thru 4 and all text get rendered properly but the arrow
>simply doesn't appear. I also receive no error message whatsoever.
>It's as if an invisible arrow is being rendered.
>
>
>Also, the following code works fine on my machine, but doesn't use the
>Show command.
>Plot[Sin[x], {x, 0, 2Pi},
> Epilog -> {Arrow[{4, .25}, {Pi/2, 1}],
> Text["Here", {4, .15}, {0, -1}]}]
>
>What am I doing wrong ?
>