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OxyPlot : integration in website/webservice

SamOxyPlot vor 11 Jahren • aktualisiert vor 11 Jahren • 6
Hi

I was wondering if it’s possible to use OxyPlot for exporting .png files on the fly that are shown in a website.

From what I know I can use it within Winforms / WPF.
But my goal is to have the plotviews available in my website.


We already have an webservice (.NET 4.0). Is it possible to integrate OxyPlot there?
I don’t want a dirty solution to start an external exe in the webpage/webservice that generates the PNG.


Maybe you’ve got an idea?


With kind regards,

+1
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Oystein Bjorke vor 11 Jahren
Yes, this should be possible. Use the `OxyPlot.WindowsForms.PngExporter` to write to the response stream.

Here is an example using WebAPI: 
namespace WebApplication4.Controllers
{
    using System;
    using System.IO;
    using System.Net;
    using System.Net.Http;
    using System.Net.Http.Headers;
    using System.Web.Http;
    using OxyPlot;
    using OxyPlot.Series;
    using OxyPlot.WindowsForms;
    public class PlotsController : ApiController
    {
        public HttpResponseMessage Get(int id)
        {
            var model = new PlotModel { Title = "Plot #" + id };
            model.Series.Add(new FunctionSeries(Math.Sqrt, 0, 100, 0.01, "sqrt(x)"));
            var memoryStream = new MemoryStream();
            var exporter = new PngExporter();
            exporter.Export(model, memoryStream);
            var result = new HttpResponseMessage
                             {
                                 StatusCode = HttpStatusCode.OK,
                                 Content = new ByteArrayContent(memoryStream.ToArray())
                             };
            result.Content.Headers.ContentType = new MediaTypeHeaderValue("image/png");
            result.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("inline")
            {
                FileName = string.Format("plot{0}.png", id)
            };
            return result;
        }
    }
}
The result is:
Oystein Bjorke vor 11 Jahren
You could also consider using svg for your response.
Beantwortet
Oystein Bjorke vor 11 Jahren
SamOxyPlot vor 11 Jahren
Is it possible to build the OxyPlot.WindowsForms.dll in .NET 3.5 ?
+1
Oystein Bjorke vor 11 Jahren
Yes, no changes in the code should be neccessary. Just copy the OxyPlot.WindowsForms_NET40.csproj, change the target to v3.5 and reference OxyPlot_NET35.csproj

OxyPlot.WindowsForms_NET35.csproj
SamOxyPlot vor 11 Jahren
I've got it working!

Big thanks!

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