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PODynamic load a 3d model from a file located in a webserver
 

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  1. PODynamic load a 3d model from a file located in a webserver
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    <p>I will like to make an App that will display a 3d model from a file.</p> <p>I know already to create an App that display a 3d model like a banana which is part of the App in a .h header file. </p> <p>But I will like to do is to make a small list of 3d objects to display in the App and when the user choose a model it will be uploaded from the local webserver into the phone and then the phone render it.</p> <p>What I do no know what to do is to do the dynamic programming that load the 3d model and display it.</p> <hr> <p>I have done a test, I have edited with the WordPad in Windows on my Local Webserver a file banana.h which contains a list of float arrays in order to extract one array and create a text file named ObjVerts.txt</p> <p>I have done a lot of search in the Web in order to find a small piece of code that can read the text file and convert it to a float array but I did not find any.</p> <p>I have found a lot of piece of code that read the file and make a NSSMutuableData but many of the code seem to not work.</p> <p>It seem that the last statement return nothing!</p> <p>Please I would appreciate if you can guide me a bit more.</p> <p>Here the piece of code I did try :</p> <pre><code> NSURLRequest *request2 = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://localhost/ObjVerts.txt"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0] NSURLConnection *connection2=[[NSURLConnection alloc] initWithRequest:request2 delegate:self]; if (connection2) { NSMutableData *response2 = [[NSMutableData data2] retain]; glVertexAttribPointer(vertexHandle, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid*) response2); } else { NSLog(@"Could not create connection"); } </code></pre> <p>thanks Regis</p> <hr> <p>This works and return me some data but I do not know how to transform the result to a GLfloat array:</p> <pre><code> NSURL *myurl = [NSURL URLWithString:@"http://localhost/ObjVerts.txt"]; NSData *mystring = [NSData dataWithContentsOfURL:myurl]; glVertexAttribPointer(vertexHandle, 2, GL_FLOAT, GL_FALSE, 0, (const GLvoid*) mystring[0]); </code></pre> <p>thanks Regis</p>
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