First, the preparatory work
installationWater Warp Note Universal Map Downloader, if you do not install the software, you can Baidu "water by note software" to the official website to download.
install one of the ArcGIS series versions here toArcGIS10.2as an example.
Second, download the map
The first thing you need to do is download the Google satellite map.
start water via note Universal Map Downloader, select "New Task", pop "select map Type", for example.
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Click "OK". The New Task dialog box appears, as shown in.
Enter the coordinates and select a level.
in the Level list, you can choose any level, but generally the city chooses level 19, the suburbs choose level 16 than the ideal, but before the choice of levels, it is best to check the online map to see if the level of data you want to download, here we take the 15 level for example. After selecting a good level, click OK to start the download.
when the download is complete, a dialog box asks if you want to export now, select Yes, and then display the Export Picture Data dialog box, as shown in.
in this dialog box, you do not need to make any settings, click the "Output" button to export the data by default parameters.
The default export path is "D:\SGDownload\ overlay dem_ Stitching [Default]\l15".
Iii. Converting a dem to an equal height line
start ArcMap First, open the Arctoolbox, select the contour line, the raster surface, 3D analysis tool, and pop-up the window, as shown in.
input Rasters: We have prepared the DEM (water by note software company can provide the user with a global 30-meter resolution of DEM elevation data, but also can provide contour elevation data of various generation processing services).
output polyline Features: The output path with the polyline feature name.
Contour Spacing: For example, 100.
Click OK to wait for the system to process. After processing is complete, load the contour line as shown in.
iv. Image Overlay Contour and print output
The Google satellite map We downloaded is also loaded in, as shown in.
Select the menu view, Layout view, as shown in.
once the layout has been adjusted, choose File, export map, and the Export Map dialog box appears as shown in.
Select save type and resolution, and click "Save". After saving successfully, we open the saved picture on the desktop as shown in.
By using Google satellite map overlay contours in ArcMap, you can print the results directly from the printer.
Article from Chengdu Water Meridian Note: www.arceyes.com
How to overlay contours and print in Google satellite maps
