 Rank: Newbie
Groups: Registered
Joined: 15/05/2010(UTC) Posts: 1 Location: louisiana, USA
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Very Nice Job. I would like to request a couple of features. 1) Plot Area Zooom without a mouse scroll button. I own a netbook and do not use a mouse, only the pad that is build into the computer below the keypad. Could you make an option allow zooming by holding the mouse button down in the plot and a) moving the cursor to the LEFT will zoom the X axis out (i.e. original scale -1 to 1, after scale is -10 to 10 etc) same as CTRL key and Scroll button DOWN.  moving the cursor to the RIGHT will zoom the X axis in, same as CTRL key and Scroll button UP. c) moving the cursor to the DOWN will zoom the Y axis out, same as SHIFT key and Scroll button DOWN. d) moving the cursor to the UP will zoom the Y axis in, same as SHIFT key and Scroll button UP. Even still using the SHIFT and CTRL keys with moving the cursor UP or DOWN would be nice. maybe add a configuration menu "Enable" to allow this type of zoom. 2) and maybe add a menu selection when you right click on a PLOT to set Fixed Minimums and Maximums for the X and Y Scales, or a select to do an auto matic scaling mode for at least the Y Axis. 3) A way to read in an audio file, a single format would be sufficient. A simple file format would be sufficient, such as WAV. just one simple file format would be nice. and also a way to write back out. any output could be played on an PC media player. (There is no need to add more than one file format for audio or to add any compression algorithms, there already exist enough software on the internet to convert files to a particular format) Thanks and Best Regards, and Very Nice Job
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 Rank: Newbie
Groups: Registered
Joined: 07/07/2010(UTC) Posts: 1 Location: USA
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I found this web site and downloaded the current version. So far I like what I see however the graph plotting feature needs a lot of development work to be really useful IMHO. 1.The user should be in complete control of the axis plot limits. In other words the user should be able to specify the plot limits for each axis independently. MathCAD allows this and is a feature worth including. I found it extremely frustrating having to manipulate the data to get an acceptable plot because I was stuck with zooming the whole graph. 2.There is no legend linking the plot to the plotted data. When I looked at some of the examples I had no idea which plot belonged to which function. Again MathCAD includes the color of the plot in the variable window so you know which is which. 3.The user should be able to plot only data calculated, not having SMath selecting the values for the independent variable. In other words I want to be able to do something like this (from MathCAD): n := 1..100 delta_angle := 2 * pi / 100 angle := n * delta_angle n y := sin(angle ) n n Then only use either the vector “n” or the vector “angle “ for the x axis n and the vector “y “ for the y axis. SMath should not be picking values for me. n Looks like the subscripted variables aren't showing up right in the above post but looks OK when I edit it. Anyway I found later that you can scale each axis by using the mouse scroll wheel and using either the shift key or the ctrl key. I tried using it for a graph with 500 points and it took around 5 seconds each time I moved the mouse scroll wheel. This was on a quad core i7-860 machine, with 8 GB of memory, running Fedora-11, the 64 bit version. To get the graph anywhere close to what I want doing this would take ten minutes or more at this rate. The MathCAD way of directly entering the scale factors for each axis is badly needed. Edited by user 08 July 2010 17:34:56(UTC)
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