Subject: Tourist map of Sichuan Province, mainly including the information of major tourist attractions in Sichuan Province, as well as the main route information, such as railways, national highways, provincial highways, expressways and county roads. At the same time, the information of accommodation and gas stations is displayed on a large scale.

Therefore, the required Vector Data includes: point data of tourist attractions, hotels, gas stations, etc., line data of railways, national highways, provincial highways, expressways, county roads, etc., surface data of city boundaries, provincial boundaries, etc., and Province _ R data in China Data source in Sample Data.

First, SHP Import File PRODUCTNAME ; Then, view the coordinate system information of each Dataset, and perform Projection Transformation on the data whose coordinate system is different from other data; and perform Dataset Dissolve processing and other operations on the Line Dataset with many small objects.

Operation steps

Data Import

1. Open Application, and create a new File Database: travel. UDB.
2. On the Home tab-> Data Processing group, click the Data Import button to open the Data Import dialog, click the Add button on the toolbar, and select the corresponding SHP data on the popped-up Open dialog.
3. Select the Import Attributes check box and click the Import button to SHP Import File *. To the Current Data source.

Projection Transformation

When displaying or analyzing data with different Projection Types, it is necessary to perform projection transformation on the data so that these data can be displayed in the same area.

1. In Workspace Manager, right-click a Dataset, select Properties, and select the Coordinate System node in the Properties dialog box to view the coordinate system information of each Dataset.
2. Where, the coordinate system of Tourist Attraction Dataset is Beijing _ 1954, and the coordinate system of other Dataset is WGS _ 1984. In this case, the Projection Transformation is required for Tourist Attraction Dataset. To be displayed in the same area of the map as other Datasets.
3. Click Projection Transformation.. on the dialog. Button, in the Dataset Projection Transformation dialog, set the target projection to the WGS _ 1984 Geographic Coordinate System.
4. Click the Drop-down Button on the right of Conversion Method, select Coordinate Frame (7-pare), and click the Conversion button. The Dataset Projection Transformation is projected as WGS _ 1984.

Dataset Dissolve In

road data, there are many line objects with the same Road Name, which will affect the Display Effects of the map during symbolization. Through the data fusion function, the line objects with the same Road Name and overlapping endpoints can be fused into one object. Dataset Dissolve is performed on the data of railways, national highways, provincial highways, expressways, county highways, etc. The following describes the specific operations and Parameter Settings by taking Dataset Dissolve of National Highway as an example:

1. In the Data tab- Data Processing group, expand Gallery and click the Dissolve button to bring up the Dataset Dissolve dialog.
Select national road _ polyline in travelDatasource
2. at source data, select NAME as Merged Field, name in the attribute table has the same value, and the end coincident line objects will be merged into one road.
3. Set the blending mode to Blend, and check the Process objects which have no field values check box to indicate that objects whose field values are null within the tolerance range will be blended.
Set Dataset Name as National Road
4. in Result Data, and click OK to perform fusion processing.