gauge

java.lang.NullPointerException at org.primefaces.component.chart.renderer.MeterGaugeRenderer.encodeData

由 痴心易碎 提交于 2019-12-23 17:07:23
问题 I am trying to manage to work the following example MeterGauge Since the xhtml code is not complete that you can use it to make an entire xhtml page, I have taken the missing tags from PrimeFaces official doc at page 12. Then created the JavaBean file ChartView.java (taking the code from MeterGauge sample page) and tried running it on a GlassFish server, but it failed, as you can see from logs metergauge2.xhtml <!DOCTYPE html> <html xmlns="http://www.w3c.org/1999/xhtml" xmlns:h="http://java

Draw quarter gauge with canvas in android? [closed]

由 微笑、不失礼 提交于 2019-12-23 05:14:40
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . How can I create gauge same as this? any library or maven exist for this gauge type? I use canvas for circle gauge ,but I can't create this one RectF oval = getOval(canvas, 1); RectF oval2 = getOval(canvas, 1.1f); Paint paint = new Paint(); paint.setColor(Color.DKGRAY); canvas.drawArc(oval2, 180, 90, true, paint

iPhone/iPad circular intensity gauge control (image included)

由 让人想犯罪 __ 提交于 2019-12-21 02:34:14
问题 I found this interesting interface(starts at 33 seconds http://vimeo.com/22946428 ), and would like to design something similar for my own apps. I'm particularly interested in the circular intensity gauge/knob control as on the attached image. It has a very futuristic feel to it and should be fairly simple to implement using touchesMoved: gesture recognizer callback. But in order to not-reinvent the wheel, are there any open source libraries that offer advanced UI capabilities, like the ones

Android How to rotate needle when speed changes?

由 北城余情 提交于 2019-12-18 10:37:38
问题 I have written an application where I have a speedometer with a needle , and I am trying to rotate the needle around its center with the speed changes. I calculate the speed values of download speed from the internet from that that angle also measured, My Question is how to Fix the Needle one end at the center of speedometer? How to rotate the needle with change of the angle values? I am expected like this here the needle not fix center position How to fix needle center of image like first

How to draw gauge chart in R?

由 蹲街弑〆低调 提交于 2019-12-17 22:18:47
问题 How can i draw a following plot in R? Red = 30 Yellow = 40 Green = 30 Needle at 52. Pls help me out as i am in great need. Thanks 回答1: So here's a fully ggplot solution. Note: Edited from the original post to add numeric indicator and labels at the gauge breaks which seems to be what OP is asking for in their comment. If indicator is not needed, remove the annotate(...) line. If labels are not needed, remove geom_text(...) line. gg.gauge <- function(pos,breaks=c(0,30,70,100)) { require

Simple gauge view like speedmeter in android?

由 亡梦爱人 提交于 2019-12-17 17:33:45
问题 I want to have a simple gauge view where i will define the start value and the end value and have a pointer to show given variable value. So i can show a given value like speedmeter. For example if my the value of a textView is 1300, then next to the textview i want to have this custom meter view animation like this! It is possible? Any existing example code? 回答1: Another one i found at Evelina Vrabie's blog, used it and worked perfect! Look at Evelina Vrabie's GitHub. It has a gauge library

Gauge D3.js display value at the top of the needle

由 。_饼干妹妹 提交于 2019-12-12 07:57:02
问题 I'm kinda new to D3.js, and I managed to create a gauge with what I found on the Internet. But I couldn't find any gauge showing the current value at the top of the needle. Something like this : what I want Obviously I'd like the value to follow the needle. I tried to add "text" attribute to the needle itself, but it didn't work. Here's a codepen link : http://codepen.io/kazu_codepen/pen/wGmGjv?editors=1010 Here's my js code : // data which need to be fetched var name = "azerty"; var value =

Core Graphics angle gradient for gauge

由 蓝咒 提交于 2019-12-12 06:47:57
问题 I'm trying to apply an angle gradient to the dashes created with the code I've written inside a custom UIView class, as below. Although it needs tweaking, I'm happy with the results it produces so far. Given the input parameters in the view initialisation (below), and a frame of 768 * 768 on an iPad Air2 in portrait mode, it produces the following gauge: First gauge What I'd like to do is to cause each of the dashes to step through a user-defined gradient, e.g. green to red, much like this

value from MySQL needs to be refreshed

由 北城余情 提交于 2019-12-11 18:04:42
问题 <!doctype html> <html> <head> <meta charset="utf-8"> <title>TEST</title> <script src="gauge.min.js"></script> </head> <?php //maak verbinding met MySQL server: $link = mysqli_connect("localhost","root","","opc") or die("Kan niet verbinden met de server " . mysqli_error($link)); //Haal waarde uit de database: $query = "SELECT * FROM test" or die("Er is een fout opgetreden" . mysqli_error($link)); //Sla de waarde op. $result = $link->query($query); //toon informatie: while($row = mysqli_fetch

Insert Form with gauge in Canvas J2ME

由 北城余情 提交于 2019-12-11 10:45:48
问题 I want to know if it is possible to somehow show a gauge in a canvas? I want to make a custom alert with a spinner. But I want to reduce the height of the form to let's say 1/4th of the screen size. Could anyone tell me if its possible? 回答1: If you want something like a spinner in a Canvas you need to draw it yourself using graphics primitives, and animate using Display.callSerially(). Instead of drawing it yourself you could include each frame of the spinner as an image. You'd still need to
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