graph visualization library

Graph Visualization Library in JavaScriptI ' ve just put together what's be looking for:http://www.graphdracula.netIt ' s JavaScript with directed graph layouting, SVG and can even drag the nodes around. Still needs some tweaking, but is totally usable. You create nodes and edges easily with JavaScript code like this:v

that contains tuples. The following Python code fragment converts all rows into Dataframe instances: >>> import pandas as PD >>> df = PD. Dataframe ([[[IJ for IJ in i] for I in rows]) >>> df.rename (columns={0: ' Name ', 1: ' Continent ', 2: ' Populatio N ', 3: ' Lifeexpectancy ', 4: ' GNP '}, inplace=true); >>> df = Df.sort ([' lifeexpectancy '], ascending=[1]); The complete code can see Ipython notebook4th step: Use plotly to draw MySQL data The MySQL data is now stored in Pand

column, the first figure.Plt.plot (y[:,0],'b', label="1st") Plt.plot (y[:,0],'ro') Plt.grid (True) Plt.axis ('Tight') Plt.xlabel ("Index") Plt.ylabel ('Values of 1st') Plt.title ("This is a double axis label") plt.legend (Loc=0) Plt.subplot ( 212) #determine the position of the first diagramPlt.plot (y[:,1],'g', label="2st") Plt.plot (y[:,1],'r*') Plt.ylabel ("Values of 2st") plt.legend (Loc=0) plt.show ()5. Draw two different graphs in two layers (straight-line cubic chart)ImportMat

Echarts, a pure JavaScript chart library, based on canvas, relies on zrender at the underlying layer. Common chart libraries for commercial products provide intuitive, vivid, interactive, And customizable data visualization charts. The innovative drag-and-drop re-computing, data view, value-range roaming and other features greatly enhance the user experience and give users the ability to mine and integrate

()Results:Fig = Plt.figure (figsize= (10,6)) colors = [' Red ', ' blue ', ' green ', ' orange ', ' black ']for I in range (5): Start_index = i *12 End_index = (i+1) *12 subset = unrate[start_index:end_index] label = STR (1948 + i) Plt.plot (subset[ ' Month '], subset[' VALUE '], c=colors[i], Label=label) plt.legend (loc= ' upper left ') Plt.xlabel (' month, Integer ') Plt.ylabel (' unemployment rate, Percent ') plt.title (' Monthly unemployment Trends, 1948-1952 ') plt.show ()Res

, and so on. Ha can easily edit the image, trying to deal with thumbnails and add watermarks for the image, and so on, with powerful image processing capabilities. First of all, let's start with the GD library, and draw a simple graph with some steps: 1, the first is to create a canvas, where we use the Imagecreatetruecolor function, you can also use imagecreate, the difference is that the former created

BoostGraph library uses the concept of generics to completely compile various algorithms in the graph. For example, wide search, deep search, and shortest path 1. Create a graph 1.1Graph Representation An image can be represented by an adjacent matrix and an adjacent table. In BGL, adjacency_list and adjacency_matrix are used for representation. adjacency_list us

indicates the path to which the neighbor target graph is connected from the drawing itself, and the to direction represents the path to which the graphic is connected from the neighbor graphic. Figure 3.3-1 from direction Figure 3.3-2 to direction Table 3.3-3 specification for power equipment Direction 3.4 Definition: source Source is a branch link formed mainly by a series of power equipment and isolation gates, source is only a virtual branch li

requires the support of GD library. If the user wants the Jpgraph class library to be valid only for the current site, simply copy all the files in the SRC folder under the Jpgraph compressed package to the same directory as the Web site, and invoke the specified file under the SRC folder when used. These will be explained in detail later in this section. Configuration of the Jpgraph Jpgraph provides a f

, $ img2, 5, 5, $ im_W, $ im_H); // merge two images$ Images = mrand4B (). time (). '.jpg '; // New image name$ Path = $ _ SERVER ['document _ root']. '/static/downloadpic/'. $ images; // Image pathImagejpeg ($ im, $ path); // generate a new graph and place it in the specified path.Imagedestroy ($ im); // release memoryReturn $ images; // The name of the image to be saved to the database. Note that the phpgd

GRaphaelIs designed to help developers draw a variety of exquisite charts on the web page.JavascriptLibrary, based on powerfulRaphaelVector Graphics Library. You only need to write several lines of simple code to create exquisite bar charts, pie charts, point charts, and graphs. GRaphaelUse the SVG W3C recommendation standard andVMLAs the basis for creating images, it is a cross-browser vector graphics library