iServer Parameter Unit

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Unit of Map Module

leftBottom: Bottom left corner coordinates. The unit is the same as map unit

rightTop: Top-Right corner coordinates. The unit is the same as map unit

maxDistance: Unit is the same as map unit

height: The height of resource picture, in pixel

width: The width of resource picture, in pixel

unit: It can be cm, dm, degree, feet, inches, km, m, mile, mm, minute, radian, sec and yard

precision: The unit is the same as the calculated record set.

distance: Distance range of query. The unit is the same as map unit.

coordUnit: The map coordinate. It can be cm, dm, degree, feet, inches, km, m, mile, mm, minute, radian, sec and yard

distanceUnit: The distance unit of map. It can be cm, dm, degree, feet, inches, km, m, mile, mm, minute, radian, sec and yard

maxVisibleTextSize: The unit is millimeter

minVisibleTextSize: The unit is millimeter. Default is 0.1

Unit of Transportation Analysis Module

maxWeight: Searching radius. The unit is the same as the weight filed set in the NetworkAnalystSetting class. If searching the whole network, this value is set 0.

Unit of Spatial Analysis Module

leftDistance: Left buffer distance.The unit is meter. It can be mm, cm, dm, km, inches, feet, mile and yard

radiusUnit: Buffer radius unit. Default is METER. It can also be MILIMETER, CENTIMETER, DECIMETER, KILOMETER, FOOT, INCH, MILE and YARD

rightDistance: Right buffer distance.The unit is meter. It can be mm, cm, dm, km, inches, feet, mile and yard

cellSize: The unit is the same as dataset

slopeType: Specified slope unit type. Default is DEGREE. It can be PERCENT and RADIAN

length: The length of the GeoLineM object and the unit is the same as that of the dataset.

maxM: The max of route object Measure. The unit is the same as that of the minM: The min of route object Measure. The unit is the same as that of the dataset.dataset.

minM: The min of route object Measure. The unit is the same as that of the dataset.

tolerance: The tolerance. The unit is decided by M type. It can be length, time and cost

bufferRadius: The buffer radius of cut and fill line. The unit is the same as the coordinate system of grid dataset

volume: The specified volume of the fill and cut. This value is greater than 0. If it is equal to or less than 0, an exception will be thrown. The unit is the grid unit that square meter multiply by grid of fill and cut

baseAltitude: Specify the result altitude of fill and cut area. The unit is the same as the grid unit of grid dataset to be filled and cut

measure: The M of anchor point. The unit is decided by M type. It can be length, time and cost

offset: The offset of result point. The unit is decided by M type. It can be length, time and cost

maxUpslopeDegree: Calculate the max upslope angle between two points (source and target) with shortest path. The unit is the DEGREE

maxDownslopeDegree: Calculate the max downslope angle between two points (source and target) with shortest path. The unit is the DEGREE

resampleTolerance: The specified tolerance of resampling. The unit is the same as grid dataset

Parameter Applications Scenarios:

In the buffer analysis, the following parameters can be used: geometry, bufferAnalystparameter, resultSetting, dataset , filterQueryParameter and setting. The bufferAnalystparameter is the parameter of buffer analysis, providing necessary parameter info for the buffer analysis, including leftDistance, rightDistance, radiusUnit, endType and semicircleLineSegment. The distance unit of left and right buffer is decided by radiusUnit. Default is METER. If you change the value of radiusUnit, you can change the distance unit of buffer analysis.

When calculating the aspect, the following parameters will be used: gridDataset, terrainAnalystSetting and resultSetting. The terrainAnalystSetting is the terrain parameter, providing necessary parameters for terrain, including bounds, boundsType, cellSize and cellSizeType. The cellSize unit is the same as dataset.

When conducting the route analysis, it will use sourceRoute, M, measure, offset and tolerance. sourceRoute the point linear feature object that has a set of X and Y coordinates, and Measure, including length, maxM and minM.

In profile analysis, it will use resampleTolerance and point parameters. The resampleTolerance unit is the same as grid dataset. The point is a 2D geographic coordinate point object.

In the slope analysis, it will use slopeType parameter. Default is the DEGREE. It can be also PERCENT, RADIAN. Only change the slopeType value, the slope unit can be changed.

In the grid shortest path analysis, it will use the maxDownslopeDegree and maxUpslopeDegree parameters. Their units are in DEGREE.

       In fill and cut, it will use the bufferRadius, volume, baseAltitude and so on.

In closest facility analysis, it will use the maxWeight parameter.

When clearing the cache tiles of map range, it will use the bounds parameter. This parameter is a 2D matrix object, used to describe the geographic coordinates range. Include the parameters leftBottom and rightTop.

In shortest distance analysis, it will use the maxDistance parameter.

When getting the map picture, it will use mapParameter and resourceParameter parameters. These two parameters are objects. mapParameter describes the all map characteristic information, including coordUnit, distanceUnit, maxVisibleTextSize and minVisibleTextSize; resourceParamete parameter describes resource picture information, such as the resource picture height, width, style and so on, including the height and width parameters.

In the measurement operation, it will use the measureParam parameter. The unit parameter is used to return the measurement unit.

In the distance query, it will be distance. This parameter is used to specify the query distance.