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A python GIS script was used to rapidly clip the images and georeference them versus doing them by hand which would have taken several months. The aerial photos were not scanned uniformaly, so there was not a high accuracy in the first place.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "name": "AerialMosaics/Aerials1987", "description": "

A python GIS script was used to rapidly clip the images and georeference them versus doing them by hand which would have taken several months. The aerial photos were not scanned uniformaly, so there was not a high accuracy in the first place.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "extent": { "xmin": 3057906.892213382, "ymin": 1.0008508602189759E7, "xmax": 3156995.00975878, "ymax": 1.0153390071379375E7, "spatialReference": { "wkid": 102739, "latestWkid": 2277 } }, "initialExtent": { "xmin": 3057906.892213382, "ymin": 1.0008508602189759E7, "xmax": 3156995.00975878, "ymax": 1.0153390071379375E7, "spatialReference": { "wkid": 102739, "latestWkid": 2277 } }, "fullExtent": { "xmin": 3057906.892213382, "ymin": 1.0008508602189759E7, "xmax": 3156995.00975878, "ymax": 1.0153390071379375E7, "spatialReference": { "wkid": 102739, "latestWkid": 2277 } }, "sortableFields": "", "bandCount": 1, "pixelType": "U8", "minValues": [ 0 ], "maxValues": [ 255 ], "meanValues": [ 91.49917814274065 ], "stdvValues": [ 26.90183337750541 ], "hasMultidimensions": false, "pixelSizeX": 0.49115525810006666, "pixelSizeY": 0.4911552581000672, "datasetFormat": "AMD", "uncompressedSize": 59510941845, "blockWidth": 2048, "blockHeight": 256, "compressionType": "None", "bandNames": [ "Band_1" ], "allowCopy": true, "allowAnalysis": true, "itemAccess": false, "minPixelSize": 0, "maxPixelSize": 0, "copyrightText": "City of Austin - Development Services Department", "serviceDataType": "esriImageServiceDataTypeGeneric", "serviceSourceType": "esriImageServiceSourceTypeMosaicDataset", "objectIdField": "OBJECTID", "fields": [ { "name": "OBJECTID", "type": "esriFieldTypeOID", "alias": "OBJECTID", "domain": null }, { "name": "NAME", "type": "esriFieldTypeString", "alias": "NAME", "domain": null, "length": 200 }, { "name": "MINPS", "type": "esriFieldTypeDouble", "alias": "MINPS", "domain": null }, { "name": "MAXPS", "type": "esriFieldTypeDouble", "alias": "MAXPS", "domain": null }, { "name": "LOWPS", "type": "esriFieldTypeDouble", "alias": "LOWPS", "domain": null }, { "name": "HIGHPS", "type": "esriFieldTypeDouble", "alias": "HIGHPS", "domain": null }, { "name": "CATEGORY", "type": "esriFieldTypeInteger", "alias": "CATEGORY", "domain": { "type": "codedValue", "name": "MosaicCatalogItemCategoryDomain", "description": "Catalog item categories.", "codedValues": [ { "name": "Unknown", "code": 0 }, { "name": "Primary", "code": 1 }, { "name": "Overview", "code": 2 }, { "name": "Unprocessed Overview", "code": 3 }, { "name": "Partial Overview", "code": 4 }, { "name": "Uploaded", "code": 253 }, { "name": "Incomplete", "code": 254 }, { "name": "Custom", "code": 255 } ], "mergePolicy": "esriMPTDefaultValue", "splitPolicy": "esriSPTDefaultValue" } }, { "name": "TAG", "type": "esriFieldTypeString", "alias": "TAG", "domain": null, "length": 100 }, { "name": "GROUPNAME", "type": "esriFieldTypeString", "alias": "GROUPNAME", "domain": null, "length": 100 }, { "name": "PRODUCTNAME", "type": "esriFieldTypeString", "alias": "PRODUCTNAME", "domain": null, "length": 100 }, { "name": "CENTERX", "type": "esriFieldTypeDouble", "alias": "CENTERX", "domain": null }, { "name": "CENTERY", "type": "esriFieldTypeDouble", "alias": "CENTERY", "domain": null }, { "name": "ZORDER", "type": "esriFieldTypeInteger", "alias": "ZORDER", "domain": null }, { "name": "SHAPE", "type": "esriFieldTypeGeometry", "alias": "SHAPE", "domain": null } ], "capabilities": "Image,Metadata,Catalog", "defaultMosaicMethod": "Northwest", "allowedMosaicMethods": "NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,Seamline,None", "sortField": "", "sortValue": null, "sortAscending": true, "mosaicOperator": "First", "maxDownloadSizeLimit": 2048, "defaultCompressionQuality": 75, "defaultResamplingMethod": "Bilinear", "maxImageHeight": 4100, "maxImageWidth": 15000, "maxRecordCount": 1000, "maxDownloadImageCount": 20, "maxMosaicImageCount": 20, "allowRasterFunction": true, "rasterFunctionInfos": [ { "name": "None", "description": "", "help": "" } ], "rasterTypeInfos": [ { "name": "Raster Dataset", "description": "Supports all ArcGIS Raster Datasets", "help": "" } ], "mensurationCapabilities": "None", "hasHistograms": true, "hasColormap": false, "hasRasterAttributeTable": false, "minScale": 0, "maxScale": 0, "exportTilesAllowed": false, "supportsStatistics": true, "supportsAdvancedQueries": true, "editFieldsInfo": null, "ownershipBasedAccessControlForRasters": null, "allowComputeTiePoints": false, "useStandardizedQueries": true, "advancedQueryCapabilities": { "useStandardizedQueries": true, "supportsStatistics": true, "supportsOrderBy": true, "supportsDistinct": true, "supportsPagination": true }, "spatialReference": { "wkid": 102739, "latestWkid": 2277 } }