Smoothing A Line To Become A Curve?

Jan 3, 2012

I have a large set of latitude and longitude coordinates from a GPS which, when plotted, creates a 'jerky' line over time.  I would like to 'smooth' this line into another set of coordinates which I can then plot to make the track more 'smooth'.

I may need to add more intermediate coordinates to do this.  I just wondered if there are any code snippets out there or even MS Excel functions


Resizing And Smoothing Images In .NET?

Jan 19, 2010

I am trying to resize images in batch using the below VB.NET code. The images are fairly large and when they are resized the images do not look very smooth. I have looked at Drawing2D.SmoothingMode.AntiAlias but cannot get that code to work.

Imports System
Imports System.Data
Imports System.Math


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VS 2010 Make Disable Font Smoothing?

Aug 24, 2009

I can't stand this font smoothing on VS2010. Is there any way to turn it off?f you don't know what I'm talking about, compare the VS2010 screenshot to VS2008

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C# - Intersecting Points Of Curve?

Jul 13, 2011

I am drawing an arc within a square or a polygon with the maximum possible radius inside.When the arc is drawn within the boundary of the square or polygon,the arc length will intersect at few points on the square or polygon.How to find the coordinates of the intersecting points of arc at the periphery of the square/ polygon?

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Display The Temperature Curve?

May 24, 2011

I want to know are you have trend view control.Each second I receive temperature value, I want display the temperature curve (trend graphics).

Are there have existing control to use? If not, how can I achieve this.

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Draw A Curve In The Pictuebox Or Something Else?

Apr 2, 2012

i can receive datas form serialport, but i want to draw a curve realtime use these data. so

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Print A Curve In API LineTo With VB

Sep 14, 2010

I need print a curve of real time on the printerx 820G printer.I must use API LineTo to print the curve.

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Calculate Values On A Bell Curve?

Sep 21, 2011

I am trying to write a function in VB.NET that takes a value and returns it's y-position on a Bell Curve.

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Curve Fitting Through A Collection Of Points?

Jun 23, 2011

I'm working in .net 2005. I have a collection of points and I'm creating a polyline with them; however, I need to curve fit them so that they appear to be some what straighter.

If you look at my picture, you can see the blue dots represent the points and the red line is a represenation of how I'd like the final results to be. (Basically, I need to line to appear straighter and less jaggedy looking than it is now).

I didn't know if I should try to see if there's some plug-in for doing this or if has anything I could use to do this myself.

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Getting Control Points Of Curve For DXF-output?

Jul 22, 2011

I am looking for a way to be able to export a beizer-curve (a curve like in the example below)from my app to a DXF-file.What I need is a way to calculate the control-points and parameters that DXF-format requires (format as in link below)

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Grade Analysis And Curve Calculator?

Dec 19, 2011

Write a program to analyze a list of grades to determine the number of A's, B's, C's, etc. after applying a curve percentage selected by the user. When the form loads it should contain all the grades and available curves in the list boxes on the left. The user selects a curve and clicks the "Apply Curve" button. The program should display the curved grades (based upon the selected curve) and the grade distribution in the list boxes on the right?

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Graph A Curve Of A Function In A VB Form?

Jul 9, 2009

How hard would it be to graph a curve of a function in a VB form.

Attached is a graph from excel which is exactly what I need to do.

I have the function of some fluid properties and I'd like to choose a min and max temp then have the function graphed, with temp as the x and the fluid property as the y which would auto scale to fit the curve.

Actually now the program i have to return the properties at one temp is just a GUI front end to call a fortran program to return the properties so actually if I just use that it'd be graphing points and not directly from the function. I can always make it completely VB based if graphing from a function is easier than points. It'd be a slight pain to rewrite all the code for the functions though.

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How To Curve The Edge Of A User Control

Jun 22, 2010

How do I curve the edge of a User Control?

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How To Find Equation Of Curve Given Data Set (X / Y)

Jan 30, 2011

I am trying to write code in to find a equation when data points are given. For example (1,5),(2,6) etc. I need to find a equation(not necessarily always linear) from the given points. How do I calculate a trendline for a graph? How to get equation.

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How To Make A Color Curve Adjustment

May 17, 2012

How to make a color curve adjasment for editing colors of an image?I found a C# project on Mr.SkyDrive but the problem is the coloring adjasment, because the coloring adjasment wasn't as other programs adjasment it wasn't correct if you view the image closely you will see some red, pink, and green pixels: (the curve like this must make the image negative)

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Raw Text Starting From 1st Point That Followed The Curve?

Mar 2, 2010

I have several points where I draw a curved line from point to point using:e.Graphics.DrawCurve(p, theArrayOfPoints)Was wondering is it poss to draw text starting from the 1st point that followed the curve? This way the text bends.

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VS 2008 : Make A Polynom Curve?

Sep 14, 2009

how to make a polynom curve in need to take let's say 10 values and make it to a 2 order curve and extract the coeffiecients (A B C).

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VS 2008 How To Calc Curve Points

Jul 26, 2010

The picture is a graphicspath drawing a curve through the specified green dots... the red points are the Bezier points that are auto generated by the graphics path.

Basically I want to pass in an array of points (in this case the green dots in the pic) and get an array back of the Bezier (red points) - I want to calculate the location of these points MANUALLY - and not use the graphicspath object to work it out.

It doesn't have to be exactly the same just similar.

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VS 2010 Drawing A Curve/graph In Picturebox?

Nov 21, 2009

My problem is centering the 0,0 points of my graph to the center of my picturebox

Dim picBoxWidth As Integer = picGraf.Size.Width
Dim picBoxHeight As Integer = picGraf.Size.Height
Dim halfWidth As Integer = picGraf.Size.Width / 2


So how to I tell it to start at the center of my picturebox names (picgraf) btw.

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Dots More Dense At Upper Or Lower Edge Of Curve (searching Algorithm)?

Mar 2, 2011

This question may be off-topic. If it should be posted in another place (even on another board) For some given curves (see sample below) I have to quantify whether the red dots in some regions of the curve are more dense at the upper or lower edge of the curve. Which algorithm might be adequate to perform this task? The curves are constructed from measurements. (No mathematical formula behind it.) Every data point has two dimensions: A value in the range 4000-7000 and a second value 0-255.

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C# :: Code To Extract Center Curve (medial Axis Or Topological Skeleton) Of A Mesh Or Point Cloud?

Jun 27, 2012

I looked at several questions/answers posted already such as this one on a planar polygon but could not find one that explains results in 3D such as the one shown in this paper and this one on "point cloud skeletonization through Laplacian-Based Contraction" where this quadratic equation comes back in both.

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VS 2008 Open A Txt File, Read Line By Line, Decode Each Line Into An Array And Display?

Oct 14, 2011

what i need to do is open a txt file, read line by line, decode each line into an array and display. Now all works ok apart from one line.

sTextLine = objReader.ReadLine() <-- Value of string cannot be converted.

full code here
Dim objReader As New System.IO.StreamReader(sOpenFile.Text)
Dim sTextLine As New ArrayList()
Dim sText As String = ""
Dim i As Integer = 0


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Read Text From A Listbox Line By Line And Put Current Line In A Label?

Jan 16, 2011

how to read text from a listbox line by line and put current line in a label?

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Reading A File Line By Line That Within The Line The Values Are Delimited By "?

Dec 1, 2011

How would i go about reading a file Line by Line that within that line The values are delimited by " Example of the data:

"bob" "cat" "1243"
"steve" dog" "6789"

I've started this with this code but not sure how to go about the next stage:

Using MyReader As New _
Microsoft.VisualBasic.FileIO.TextFieldParser(My.Application.Info.DirectoryPath & "Records28112011.jd")
MyReader.TextFieldType = FileIO.FieldType.Delimited


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"Method Not Implemented" - Curve Clear?

Jul 17, 2010

I have two forms, a main display form with a Zedgraph Pane on it and a second form with a single ComboBox control, opened by a button click on the first form and having its ComboBox filled by the Labels of the curves currently being shown by the Zedgraph pane.The code below seeks to remove the curve selected in the ComboBox by clearing its points, but on the CurveList.Clear line, I always get a "Method not Implemented" error.

Private Sub rmvCurve(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chnlSelectRmv.SelectedIndexChanged
Dim curLabel As String


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VS 2008 Reading A TextBox Line By Line And Using SubString On Each Line?

Jul 5, 2010

I am trying to read in a TextBox line by line and take the first 7 characters of each line and output everything in another TextBox.This is what I have so far.

Dim line, lines() As String
lines = TextBox1.Text.Split(Environment.NewLine)
Dim i As Integer = 0


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Reading Line By Line Txt And Preview The Line In Textbox?

Sep 16, 2010

i need the app to preview the line in textbox in timeintervalof 1 s (can be change)nd when it will reach to the end it close the text file and andreread it after let say 1 m ..

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim myStream As Stream = Nothing


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Parsing Multi-line Clipboard Text Into A Single Line And Pasting Into A Textbox?

Feb 7, 2011

a user copies multiple lines of text (say, from an email) into the clipboard. Based on my observations, when one tries to paste the text into a single-line textbox, only the first line is actually pasted in.  (I am aware that the "obvious" solution would be to set the Multiline property to True, but there are reasons I am looking to avoid this and to put multi-line data into a single line.)

In the TextChanged event handler, I wrote code that parses the clipboard data to successfully convert it to a single-line, comma-delimited format.

Private Sub txtMassTrackingNo_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) _
Handles txtMassTrackingNo.TextChanged


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Show The Line Number Of The Line Of Code That Caused An Exception Within A Try...Catch Block?

Jan 29, 2009

Is there a way to show the line number of the line of code that caused an exception within a Try...Catch block?

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VS 2008 : Read A File Line By Line Into An Array But It Skips The Item At Index:3?

Mar 17, 2010

I'm trying to read a file line by line into an array but It skips the item at index:3 I have it msgboxing just to make sure and it wont even touch it.

Dim Btn As Button = DirectCast(sender, Button)
Dim path As String = Application.StartupPath & "Libraries" & Btn.Text.Replace(" ", "_") & ".ipt"
Dim i As Integer = 0
Dim lines As String() = IO.File.ReadAllLines(path)


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VS 2010 Read Through A Textfile Line By Line Checking For And Removing Duplicate Values?

May 16, 2012

How do i read through a textfile line by line checking for and removing duplicate values?

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Reading A .txt File Line By Line Converting It Into A String Then Putting It Into A Listbox

Apr 1, 2011

I'm having trouble with reading a .txt file line by line, converting it into a string, then putting it into a listbox. When I execute I get an error saying "IndexOutOfRangeException was unhandled" Here is my


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Storing Content Line By Line In Array Variale From Text File

Jun 29, 2009

i would like to store contents from a text file line by line to arrays before copying them to another text file. what i have is currently like this:


Currently I'm only able to store the whole content into one variable, would like to store the content line by line in arrays.

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VS 2008 Consume Xml To Access Any Of The Nodes Directly Without Reading Line By Line?

Jul 8, 2010

Is there an easy way to consume xml to access any of the nodes directly without reading line by line?Here is a sample set of the xml working with. It contains two records of data. I am trying to find a way to load it so if I wanted to get say PostalCode and say Site SID value quickly.

<?xml version="1.0" encoding="utf-8"?><MainSite><MainSites Found="201" Returned="20" Status="0"><Site SID="123456"><Relevance>0.985</Relevance><Title>JDoe</Title><DateModified Date="2010-01-29T01:05:00">1/29/2010</DateModified><DateCreated Date="2010-01-29T01:05:00">1/29/2010</DateCreated><PersonalData><Confidential>0</Confidential><Name><First>John</First><Middle>


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VS 2008 Updating Textbox3 With Line By Line Data Of Textbox1 And Textbox2

Sep 8, 2009

i have three textbox in my program

How do i update my textbox3 Data like this

textbox3 line1 = textbox1 line1 + textbox2 line1
textbox3 line2 = textbox1 line2 + textbox2 line2
textbox3 line3 = textbox1 line3 + textbox2 line3
textbox3 line4 = textbox1 line4 + textbox2 line4
textbox3 line5 = textbox1 line5 + textbox2 line5

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VS 2008 WebBrowser1.Documenttext Source Code (view Line By Line)

May 29, 2010

I am using WebBrowser1.DocumentText to get a websites source code, and then parse a string. I am trying to view the source line by line, and doing it as follows:


However what is displayed is each character from the source code, rather than the line. I am making the client log into a website, and the needed value from the source code is then parsed, so I need to use the WebBrowser type to get the source code.

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VS 2010 - Draw A Straight Line Between Two Points And Calculate The Length Of That Line?

Jan 3, 2012

I have a picture in my picturebox. In that picture, I need to draw a straight line between two points and calculate the length of that line (probably in pixels). Is there any suggestion how to do it?

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Word Wrapping - Cannot Select Last Line Of Richtextbox (when A Line Is Wrapped It Becomes Two Lines)

Jul 5, 2009

The following code selects a line ina richtextbox. It works OK expect from one problem:

When a line is biger than the size of the richtextbox, it wraps it. This create a big problem as I can not select the last line of the richtextbox (when a line is wrapped it becomes two lines). When I set wordwrap to off it works just fine 

Private Sub RichTextBox1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles RichTextBox1.MouseMove



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Add A Line Break In A Multi Line Textbox In Visual Studio Designer's Property Section?

Jun 14, 2012

This is a WinForm VB.NET application. Please see the picture below:How to add a line break in a multi line textbox in Visual Studio designer's property section?I tried using abc & Environment.NewLine & def but that was not working.

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VS 2008 XML How To Create A Loop Where Can Read The Datagridview Line By Line Save Data In Variables (

May 8, 2011

I am developing a program where i will download and save an xml file from a url as abc.xml. I open the abc.xml in a datagridview with a dataset without problem.I am confused how can i read raw per raw the datagridview and assign the data in a database table? i am using vb 2008 + msde2005 express.I show the whole content of the xml file in the datagridview with the following [code]I dont know how to create a loop where i can read the datagridview line by line save data in variables (ex.strings) and save it in a databese table?

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