Rotate ACAD Element Around Z-axis?
May 10, 2011
I want to rotate an ACAD (AutoCAD 2008) element around the Z-Axis. I already have the following code snippet:
Dim mm As Matrix3d = Matrix3d.Rotation(rotateDEG, HOW TO GET THE Z-AXIS HERE?, center)[code]...
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Nov 5, 2010
I am new to 3D modelling. I want to create a simple model from a set of know quad elements (4 sided shape discriped by 4 x,y,z, coordinates). All I need to do is to display the model, rotate it and change the color of each element.
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May 22, 2012
I have a P/L chart which has a left scale (Y axis) which starts from a negative value. I want to format the axis labels (the major tick mark labels) so that the negative ones are red.
Something like;
If cht.ChartAreas(chtarea).AxisX.MajorTickMark.Value < 0 Then
cht.ChartAreas(chtarea).AxisY.LabelStyle.Font = New Font("Verdana", 9.0F, FontStyle.Bold, Color.Red)
[Code]....
Of course that doesn't work since MajorTickMark doesn't have a value property. How does one make this work?
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Aug 14, 2011
I am having trouble in getting the coordinates of x-axis and y-axis in low level ouse hook...all I am getting is values in x-axis listbox and in y-axis listbox I am getting zeros......why? and my second problem is I am calling the setcursorpos
function in a for loop because I want to automate mouse movements and clicks, but setcursorpos function is not working , maybe because I am getting the coordinates wrong.....here is my code
low level mouse hook
Public Class MouseAutomating
Inherits HotKey
Public lstbox As New ListBox
[code]...
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Sep 16, 2009
I am having some major problems with the code in VBA and recording a macro didn't get me anywhere nor is the VBA help file. I have to have it so that I can input a values for the x axis rotation and the y axis rotation so that my 3d surface graph will rotate whatever values I input, the 3d surface graph will rotate those degrees. I also have to have a method for having the default rotation. I was also wondering how to put scroll bars for the x and y rotation. The only other thing I am having trouble with is having an input to check box for right angle axes. So far I have two cells for entering the x rotation value and the y rotation value. I also already have my 3d surface graph.
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Jan 8, 2009
I have the smallest dataset in the world that simply consists of a month (text) and and amount. I want to produce a chart showing the month along the y-axis and the value up the x-axis. How do I do it? I have dragged the chart control onto the report page and populated the dataset. The chart shows but nothing like what I would expect. Just to make it simple I populated the dataset with an amount equivalent to the month number so it should show as 1 in January, 2 in Feb etc...However no matter where I drag the dataset's column names I don't get what I want. Where am I going wrong?
I use this simple loop to populate the dataset:
dsSales.Tables("Sales").Clear()
For i As Integer = 1 To 12
dsSales.Tables("Sales").Rows.Add(MonthName(i), i)
Next
ReportViewer1.RefreshReport()
I get this as a result:
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Feb 14, 2012
I have a number of rewrite rules for a lot of things that I did in IIS7, like removing trailing slashes, canonnical URLs, lowercase lettering, and such. IIS altered my web.config, and everything works fine on the website, like it should. But in the Visual Studio web.config, the opening < rewrite > statement is underlined in blue, and at the bottom of VS, it says that the element 'system.webServer' has invalid child element 'rewrite'. But this is how IIS made it. I didn't do this manually. Should I be concerned with this VS error, or should I just leave as be, since it's working how it should work? Here's an example of my web.config:
[Code]...
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Apr 13, 2011
Is there a way to control the way a browser behaves such as if I click on this link it doesn't navigate to that link but instead show me the source code behind that button?
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Mar 11, 2010
I need to randomly pick an element from an array and I can only use that element three times,I can randomly pick the element but how do I go about only using it three times.
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Feb 21, 2012
I have been doing well and also I am a noob I know it and you know it a lot has started making sense and I am evening figuring new things out without using Google but of course I have hit another snag in my program so here goes
I am waiting for an email to arrive (the page automatically refreshes) and then I want to click the link (I do not need to click to open the email or anything like that) I also have the code to click and navigate to the address reason being it was the only way I could figure out how to stop it opening in a new window on IE
So my only problem is I need a way to check every x seconds for the element and then if its there proceed with my code and if its not wait and then check again or however this is done in VB.If this is not the way its done please point me in the right direction the code I am using to find and then navigate to the link is
Dim emailpageelements As HtmlElementCollection = WebBrowser2.Document.GetElementsByTagName("a")
For Each emailver As HtmlElement In emailpageelements
If InStr(emailver.InnerHtml, "https://twitter.com/account/confirm_email/") Then
WebBrowser1.Navigate(emailver.InnerText)
[Code]...
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Jun 7, 2011
I want to be able to reference an element in an array of structures by the name of the element in a visual basic 2010 function. For example
Public Structure myStruct
Public element1 as string
Public element2 as integer
Public element3 as boolean
[code]...
Is it possible to reference a structures element by the element's name in a similar way to that shown above. The code shown above does not work, as the expression obj(i).[elementName] does not work as hoped.
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May 23, 2012
I have the following XML:
[Code]...
I am accessing the name of the child element like this:
[Code]...
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Mar 3, 2011
I would like the following function to return Nothing if the element with the specified key is not in the collection. Instead, it returns an error - something to the effect of "no element found"
Public Class MyCollection
Inherits System.Collections.ObjectModel.Collection(Of MyType)
Public Function FindByActivityKey(ByVal searchValue As Integer) As MyType
[code]....
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Jan 29, 2011
I have created some 3d models(VB) for display in a WPF 3d Viewport and would like to rotate them. I would like to rotate them about an axis of rotation defined by a line through two 3d points. All the examples seem to rotate about one of X Y or Z axes and are not helpful for a more general approach. The angle of rotation is easily found. My maths is a bit rusty now so is there a function that would calculate the axis easily ?
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Jul 27, 2009
I have 2 columns of data B and C.i want to set the data under column B as x-axis and C as y-axis correspondingly to plot a x-y graph.[code]...
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May 24, 2012
I would like to associate a web page element, a textbox for example, with a textbox in my form. When a user types something in the textbox, I would like it to be like he types it on the webpage.
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May 13, 2011
I am using the MSChart object in VB2010. Live futures data is put into an array, then added one point at a time to a line chart (Chart1, one line only) using (1):
frmChart2.Chart1.Series("data").Points.AddXY(sec10, spreadarray(0, sec10))
All fine and good. However, by the time a few thousand data points have come through, its getting hard to see the detail in the chart, therefore I reset the x-axis so that I just see the last 200 (say) points, using (2):
Chart1.ChartAreas("ChartArea1").AxisX.Minimum = frmPrices.sec10 - CLng(lstChartpts.Text)
...where frmPrices.sec10 is the total number of data points, and CLng(lstChartpts.Text) is the number of points required. So if I have 1000 pts, and I wish to see 200 displayed, the AxisX minimum in this case is 1000 - 200 = 800. Points then start to build again one at a time. I am happy with this except that the Y-axis scaling is still taking into consideration all 1000 data values, so need to reset the Yaxis maximum and minimum. No problem (3):
Chart1.ChartAreas("ChartArea1").AxisY.Maximum = (max of the last 200 values + a small increment)
Chart1.ChartAreas("ChartArea1").AxisY.Minimum = (min of the last 200 values - a small increment)
The problem comes in when I want to change the number of points to display back to "ALL". I could re-write the code to use the max and min of all values, as in (3), but I'd rather just reset the yaxis back to the autoscaling that the chart started out with. I've looked everywhere for a property or method to do this! Or is there a way to autoscale the yaxis according to only the displayed values?
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Nov 2, 2009
Ok, so I am attempting to try my hand in directinput, I got the code up and running within VB.net, it recognizes the controller and almost all buttons work, but for some reason 2 or 3 of the axis do not work on each controller.I have tried this with an xbox360 wireless controller and a Logitech wired controller (ps2 style) they both show the correct amount of axis on each controller, but do not work correctly.[code]I have looked everywhere for my problem, but the issue is, I am not exactly sure what the problem is to search for.if anyone also knows how to access the "X" (power) button on the xbox controller, that would be awesome as well, because I want it to interact with my program!and if you don't have a wireless receiver a wired one is exactly the same...
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Dec 20, 2009
I would like to display the word " Volts(V) " in the Y axis, just like the one you see from the attached image. But that image is crop from elsewhere and placed into a picturebox, which to me, doesnt look nice. I would prefer if the words are type in manually into a label and then rotate.
I did some research through the forums and websites, and came across this: [URL]
from there, i have a brief idea on it , tried out but it didnt work though. Or i may not have done it correctly.
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Jul 9, 2009
The Matrix Transformation (1,0,0,-1,0,0) flips the points of a path around the X-Axis and (-1,0,0,1,0,0) flips around the Y-Axis. My question is, how (or can you) flip around another point.For instance, say I have a GraphicsPath.PathPoints that consist of 10,20 and 15,40 and I want the result to be 10,40 and 15,20 how would I do that or is it even possible.
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Apr 29, 2010
in runtime I can see that X-axis limits of my chart (minimum and maximum) are automatically changed as I insert points. That's nice. So I came to an idea to change that minimum and maximum values. It worked. But as soon as I wanted to return (at runtime) to auto I came across some problems. First I discovered that when auto scaling is activated this values are:
[Code]...
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Apr 18, 2009
way to switch the X and Y axis?
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Feb 23, 2011
I am trying to loop through my datatable column sdescr and use the text in the columns as the labels of my x axis, but it isnt working i am getting this error
Value of type
'System.Collections.Generic.List(Of
String)' cannot be converted to
[code].....
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Apr 18, 2011
i am trying to get the angle of a line in relation to the x axis. The line is being drawn in a picturebox. So its the Upper right quadrant of the cartesian plane ... but its flipped over the x axis.im using this code
a=pt(1).x
b=pt(1).y
c=pt(2).x
d=pt(2).y
z=math.atan2((c-a),(d-b))*(180/math.pi)
The issue is that the line im drawing is almost parallel to the x axis but its returning a value of roughly 90 degrees .It seems like it is giving me the angle in relation to the y axis, but not being super good at the math myself im not exactly sure what to change here.
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Feb 21, 2012
I have Date and Time available in xaxis() array format. I would like to assign this to x axis of the MS Chart. My all other data is in datatable format and already have assigned series to this values.Chart1.Series(0).Points.DataBindXY(xaxis, yaxis).. but it gives me error as i do not have valid values for y axis.
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Dec 28, 2009
I am busy with a routine that will draw a bar chart.The X-axis is from 0 -100, no problem. The problem is the Y-axis.it will range from 0 to whatever the highest y-value will be.
My problem is that the y-axis should still be divided into 10 intervals, and the lenght of my y-axis should be the same in my picture box.I am using an array to fill the values, chartdata (0-9). It gets 10 values from the program. the values are 0 -10, 11 -20,21-30....91-100 . here is the code. It is working, but my Y-axis is messed up. Printing the labels of the y-axis is a problem.
Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
Dim chartData() As Single = {mark0, mark10, mark20, mark30, mark40, mark50, mark60, mark70, mark80, mark90}[code]......\vb
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Jun 8, 2011
Using the System.Windows.Forms.DataVisualization.Charting objects/namespace, am having problems getting by chart to sort axis of dates properly.My data looks like this (dates in US format):
Product Quantity SaleDate
A -- 2 -- 5/1/2011
B -- 1 -- 5/1/2011
C -- 1 -- 1/1/2011
B -- 2 -- 2/1/2011
I'm creating a stacked column graph like this, where dv is a dataview of the datatable:
vb.net
chSales.DataBindCrossTable(dv, "Product", "SaleDate", "Quantity", "") chSales.AlignDataPointsByAxisLabel() For Each cs As Series In chSales.Series cs.ChartType = SeriesChartType.StackedColumn cs.YValueType = ChartValueType.Int32 cs.XValueType = ChartValueType.DateNext
So this produces a stacked column graph with 2 A's, 1 B in May 11, etc But the date order is Feb, Jan, May, regardless of how I sort the datatable provided to the chart.
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Oct 7, 2011
I want to associate date and time to x axis of mschart, but only date is shown on x axis and time is invisible.What's problem?
program :Public Sub drawChart(ByVal data() As Double, ByVal AxiX() As Date, ByVal i As Integer)
Dim numOfData As Integer = data.Count
[code].....
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Apr 27, 2010
the vb.net/ vb2008( i'm using vb2008) to draw a graph based on x and y axis.. and find the peaks in that graph. Urgent needed
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Jul 2, 2011
I have a windows forms project in VS2010 with a simple line chart.The data is dynamic and always ranging between 1.4000 and 1.5000.I want the Y axis's gridlines/labels to always be displayed on every #.##20 data point, as in: [code] So I tried the Interval property for the axis gridlines/ labels, setting it to 0.002, and the result was that the gridlines/labels were displayed every 0.0020 points, like for example this: [code]
but not on 0.0020 points too as shown previously.
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