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GISP > Data Manipulation > Flashcards

Data Manipulation Flashcards

1
Q

Attribute (processes in ArcPro)

A

New Selection, Add to Selection, Remove from Selection, Subset Selection, Switch Selection, Clear Selection

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2
Q

Contains

A

features contain an input polygon (input polygon is selected)

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3
Q

Completely Contains

A

features must be completely in an input polygon (input polygon selected)

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4
Q

Contains Clementini

A

features must be completely in the input polygon but if it’s on the boundary, it will not be selected

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5
Q

Within

A

features will be selected if inside a selecting polygon

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6
Q

Completely Within

A

features will be selected if completely within selecting polygon - no overlap

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7
Q

Within Clementini

A

features will be selected and cannot be entirely on the boundary of the features

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8
Q

Are Identical to

A

features are identical to input layer

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9
Q

Boundary Touches

A

features will be selected if they have a boundary that touches a selecting feature - must be completely inside or outside the polygon

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10
Q

Share a Line Segment With

A

features selected if they share a line segment

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11
Q

Crossed by the Outline of

A

Input features will be selected if they are crossed by the outline of a selecting feature

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12
Q

Have their Center In

A

features will be selected if their center falls within a selecting feature

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13
Q

Contained By

A

Same as Within

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14
Q

.shp

A

shape format - feature geometry itself

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15
Q

.shx

A

shape index format - positional index of the feature geometry to allow seeking forwards and backwards quickly

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16
Q

.dbf

A

attribute information

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17
Q

.prj

A

projection format

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18
Q

.sbn & .sbx

A

spatial index

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19
Q

.shp.xml

A

geospatial metadata in XML format

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20
Q

.gdb

A

file geodatabase

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21
Q

.mdb

A

personal geodatabase based on Microsoft access

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22
Q

coverage file

A

point, arc, node, route, route system, section, polygon, and region

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23
Q

DGN

A

AutoCAD and Microstation

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24
Q

TXT

A

text

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25
Q

IMG

A

image

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26
Q

LiDAR

A

remote sensing technology that measures distance by illuminating a target with a laser and analyzing the reflected light

27
Q

Raster

A

.jpg, .tif, .gif

28
Q

Short Integer

A

between -32768 and 32768

29
Q

Long Integer

A

between -2,147,483,648 and 2,147,483,647

30
Q

Float

A

single precision floating-point numbers

31
Q

Double

A

double precision floating point numbers

32
Q

Text

A

could be a coded value - assign to an integer through a domain

33
Q

BLOBs

A

data stored as a long sequence of binary numbers - ArcGIS stores annotation and dimensions as BLOBs - images, multimedia, bits of code

34
Q

Object Identifiers

A

Unique IDs and FIDs

35
Q

Global Identifiers

A

Global ID and GUID - data types store registry style strings consisting of 36 characters enclosed in curly brackets

36
Q

Raster file types

A

raster can be stored within geodatabase

37
Q

Geometry

A

point, line, polygon, multipoint, multipatch

38
Q

1-1

A

each object of the origin table can be related to 0 or 1 object of the destination table

39
Q

1-Many

A

each object in the orgin table can be related to the multiple objects in the destination table

40
Q

Many-Many

A

multiple objects of the origin table can be related to multiple objects of the destination table

41
Q

Primary Source

A

collected in digital format specifically for use in a GIS project

42
Q

Secondary Source

A

data captured for another project but reused for this project

43
Q

Transfer ( Data Transfer Structures)

A

follow Spatial Data Transfer Standard (SDTS) - Federal Information Processing Standard (173) - robust way of transferring GIS data between computers with no information loss, including metadata

44
Q

Industry Standards (Data Transfer Structures)

A

typically don’t exchange topology, only graphic info; large number of format transfers

45
Q

Open GIS Consortium (OGC) (Data Transfer Structures)

A

non-profit, international, voluntary consensus standards organization - created GML or Geography Markup Language - XML based encoding standard

46
Q

PostScript (Vector)

A

page definition language to export or print a map

47
Q

Digital Exchange Format (DXF) (Vector)

A

AutoCAD - no topology but lots of details

48
Q

Digital Line Graph (DLG) (Vector)

A

distributed by the government and most GIS packages will import but extra manipulation needed

49
Q

TIGER (Vector)

A

block level maps of every village, town and city in US

50
Q

shapefile (Vector)

A

vector data that stores location, shape and attributes

51
Q

Scalable Vector Graphics (SVG) (Vector)

A

extension of XML language

52
Q

ArcInfo Coverage (Vector)

A

stores set of thematically associated data considered to be a unit

53
Q

ArcInfo Interchange File (.e00) (Vector)

A

known as ArcGIS export file

54
Q

Geodatabase (Vector)

A

object oriented data model represents features and attributes as objects

55
Q

Standard (Raster)

A

rows and columns with a header information

56
Q

Tagged Image File Formats (TIFF) (Raster)

A

associated with scanners

57
Q

GEO-TIFF (Raster)

A

puts latitude/longitude at edges of pixels

58
Q

Graphic Interchange Format (GIF) (Raster)

A

image files for sharp edges and few gradations of color

59
Q

Joint Photographic Experts Group (JPEG) (Raster)

A

variable-resolution compression system with both partial and full resolution recovery

60
Q

Digital Elevation Model (DEM) (Raster)

A

30 meter elevation data 1:24000 7.5 minute quadrangle maps or 1:250,000 3 arc second digital terrain data

61
Q

Band Interleaved by Pixel (BIP) or Band Interleaved by line (BIL) (Raster)

A

good at storing different brightness levels

62
Q

RS Landsat (Raster)

A

satellite imagery and BIL information are combined

63
Q

Raster to Vector

A

not difficult based on pixel value

64
Q

Vector to Raster

A

very difficult because pixels may distort the lines or exact point locations and would need to be re-digitized

GISP (6 decks)

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