大数据与城市规划 (19).pdf

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1、Importing ColorBrewer Style Ramps into ArcMapWelcome to the Essential ArcGIS Task Sheet Series.This series supplements the Iowa State University GIS Geospatial Technology Training Program short course series,“Essential ArcGIS Tutorial Series.”The task sheets are designed to provide quick,easy instru

2、ctions for performing specific tasks in GIS.ColorBrewer 2.0 is a diagnostic tool for evaluating the robustness of individual color schemes.Developed by Cynthia Brewer of Pennsylvania State University,the tool is designed to help you test the distinguishability of color schemes and classes as well as

3、 offering usability advice for color blind,color printing,photocopy,and LCD friendliness.This task sheet will cover the steps it takes to import the color scheme ramp style options into ArcMap.ArcGIS 10+1.ColorBrewer 2.0 Web Toola.In a web browser,navigate to http:/colorbrewer2.org/.b.Test out the t

4、ool controls.To get a better understanding of how to use the map diagnostic tool,click on how to use at the top of the page.2.Download the Color Brewer Style Referencea.Download the ColorBrewer style file.Click downloads at the top of the page.Under the ArcGIS section click on Download styles.If the

5、 file is not available,you can also download it from https:/ page will open to http:/ the download button.Select I agree,then click download.A zipped folder named AS14403 will be downloaded.c.Open the folder and save the ColorBrewer.style file in a permanent folder.Example:Program Files ESRI ColorBr

6、ewer.style.3.Open ArcGIS and Add the Style Reference a.Once the download is complete,open a blank ArcMap document.Click Start All Programs ArcGIS ArcMap.b.Add any shapefile to the blank ArcMap document.This step is necessary in order to get to the Style References window.Example:I added an Iowa coun

7、ties shapefile.c.Double-click on the layer in the table of contents to open the Layers Properties window.Select the Symbology tab and click Features in the show box on the left side of the window.Choose Single symbol underneath Features.Bailey Hanson bahansoniastate.edu,515-520-1436 or Associate Pro

8、fessor Christopher J.Seeger,ASLA,GISP cjseegeriastate.edu,515-509-0651 for more information about the Geospatial Technology Program.This task sheet and more are available at www.extension.iastate.edu/communities/gis.and justice for allThe US Department of Agriculture(USDA)prohibits discrimination in

9、 all its programs and activities on the basis of race,color,national origin,age,disability,and where applicable,sex,marital status,familial status,parental status,religion,sexual orientation,genetic information,political beliefs,reprisal,or because all or part of an individuals income is derived fro

10、m any public assistance program.(Not all prohibited bases apply to all programs.)Persons with disabilities who require alternative means for communication of program information(Braille,large print,audiotape,etc.)should contact USDAs TARGET Center at 202-720-2600(voice and TDD).To file a complaint o

11、f discrimination,write to USDA,Director,Office of Civil Rights,1400 Independence Avenue SW,Washington,DC 20250-9410,or call 800-795-3272(voice)or 202-720-6382(TDD).Issued in furtherance of Cooperative Extension work,Acts of May 8 and June 30,1914,in cooperation with the US Department of Agriculture.

12、Cathann Kress,director,Cooperative Extension Service,Iowa State University of Science and Technology,Ames,Iowa.Contact:d.Click in the Symbol box,displaying the layer symbology.In the Symbol Selector window,click Style References.e.The Style References window will open up.Click on Add Style to List a

13、nd browse to the location of the ColorBrewer.style file downloaded in step 2.Select the file and click Open.In the Style References window,the ColorBrewer.style file should be added to the top of the list.Make sure it is selected with a check mark and click OK.Click OK in the Symbol Selector window.

14、4.Test the Color Brewer Style Rampsa.In the Layer Properties window,click on Categories or Quantities within the Show box.Click on the drop-down arrow next to the Color Ramp box.If the style was added correctly,you should now see new color ramp styles in the drop-down menu.BeforeAfterMarch 2014,updated August 2016PM2082-14e