| Author | Comment |
ShockTroop
Goliath
Posted: 23 Feb 2004
05:30 GMT
Total Posts: 170 | Is there a way to graph, say, a circle segment, besides turning on individual pixels on a 83+? I'm trying to draw a sector, and I was wondering if there was a way to draw just a portion of a circle, like 1/4 of it or something.
Also, is there a way to make a dotted graph (such as a circle or line) in a program (as opposed to just graphing it)? |
Ray Kremer
Ultralisk
Posted: 23 Feb 2004
11:48 GMT
Total Posts: 310 | >if there was a way to draw just a portion of a circle
Read this:
http://tifaq.web1000.com/?p3.htm#10.3.3
>is there a way to make a dotted graph (such as a circle or line)
>in a program (as opposed to just graphing it)?
Not sure what you mean. Other than using the draw (line, pointon, etc.) commands, the only way to make stuff on the graph screen is to put an equation into one of the y= variables. |
ShockTroop
Goliath
Posted: 24 Feb 2004
13:03 GMT
Total Posts: 170 | I'm trying to make a program, and part of it involves drawing a dotted graph (like you would in the y= screen by changing the draw thing on the side), such as drawing a circle that uses a dotted line instead of a solid line, or just drawing a dotted line without turning on every single pixel or point.
I take it "piecewise" is basically another way of saying a portion of a graph? I was wondering about restricting the domain/range, but I wasn't sure how to do it.
Thanks! |
Ray Kremer
Ultralisk
Posted: 24 Feb 2004
13:39 GMT
Total Posts: 310 | There are ways to define y= equations and set their graph style (dotted, etc.) from a program. Check the manual.
Piecewise graphs are graphs made by combining two or more functions with restricted domains. |
ShockTroop
Goliath
Posted: 24 Feb 2004
15:05 GMT
Total Posts: 170 | Heh, I can't say it right. What I'm trying to do is make a dotted graph within a program (ie make the program draw a dotted graph when you run it). I already knew how to make a dotted graph in the y= equation screen, I just didn't know how to word it. |
Ray Kremer
Ultralisk
Posted: 25 Feb 2004
10:59 GMT
Total Posts: 310 | Yes, you've already said what you want to do. I guess I'm going to have to look up the commands and write example code for you to get my point across.
".5X^2-2"->Y1
GraphStyle(1,7)
DispGraph |
ShockTroop
Goliath
Posted: 25 Feb 2004
12:09 GMT
Total Posts: 170 | I already knew how to make dotted graphs, it's just a dotted circle I needed. Ah, well, I've pretty much figured it out anyway. Thanks! |
Digital
Guardian
Posted: 25 Feb 2004
16:57 GMT
Total Posts: 1051 | The x-coordinate is equal to a*cos(theta) and the y-coordinate is equal to a*sin(theta) where a is a constant and theta is the angle. |
Ray Kremer
Ultralisk
Posted: 26 Feb 2004
14:27 GMT
Total Posts: 310 | It's really easy to make a circle using a y= equation. |
spiral
Wraith
Posted: 26 Feb 2004
15:08 GMT
Total Posts: 958 | yeah, you can do y1=radical(radius^2-x^2) and y2=-radical(radius^2-x^2) |
Ray Kremer
Ultralisk
Posted: 27 Feb 2004
15:05 GMT
Total Posts: 310 | Though I prefer
y1={1,-1}sqrt(r^2-x^2) |
