Questions tagged [arcgis-10.0]
Use this tag when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
768
questions
66
votes
3
answers
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Layers with same coordinate system should align/overlap in ArcMap but do not?
I put 4 different layers into my ArcMap document, but only one of them will show up on the map! I should be seeing the other 3 layers as well. When I do a Zoom to layer, I can see one layer, but I ...
- 681
24
votes
5
answers
26k
views
Including variable in where clause of arcpy.Select_analysis()?
I am trying to loop through a shapefile, selecting each feature in turn and copying it to a temporary shapefile to by included in a union analysis. I'm using a cursor to find the ID name for each ...
- 1,062
19
votes
5
answers
15k
views
Using SRTM Global DEM for Slope calculation
I have downloaded SRTM GDEM (~90m resolution).
I am using ArcGIS 10.
I have tried to use the Spatial Analyst tool to compute for slope.
However, I cannot compute for the slope.
The output values has ...
- 1,188
7
votes
5
answers
20k
views
Converting LiDAR data to raster (DEM/DSM) for ArcGIS input?
I was wondering if there is an option to convert LiDAR data (.las) to a raster/grid (DEM/DSM) format that ArcGIS 10.0 can read?
- 79
31
votes
5
answers
78k
views
Converting ArcGIS layer style to Styled Layer Descriptor (SLD) file?
I am putting together a GIS server using GeoServer and need some help with importing my layer styles from ArcGIS 10 to SLD format.
I have one layer in ArcMap properly symbolized and labeled, how ...
- 2,097
9
votes
2
answers
21k
views
Sorting feature class to calculate sequential ID field using ArcGIS Field Calculator?
I am in ArcMap and I want to sort the records based on a field and then do a Calculate Field with an auto-incrementing value with the sort in-place. Any ideas?
It looks like I could get an update ...
- 3,390
16
votes
3
answers
10k
views
Cartographic techniques for symbolizing routing data [closed]
Some common problems with displaying routes created from street data, such as bus routes, include:
Routes may overlap themselves, such as when a route takes the same road in opposite directions
...
- 35.7k
40
votes
4
answers
10k
views
Using directional shading on boundaries for cartographic effect in ArcGIS Desktop?
The attached screenshot of a National Geographic map shows some beautiful directional shading of boundaries. I'm trying to reproduce this sort of shading for a burn perimeter map, as I want to ...
- 51.4k
13
votes
2
answers
33k
views
Maximum length of text fields in shapefile and geodatabase formats?
The maximum text string for a field in a geodatabase is 320 characters.
The data I am importing has long character strings and it seems to be truncating when I convert into shapefile at the max ...
- 155
9
votes
0
answers
7k
views
Splitting feature class by unique values for an attribute/field in ArcGIS for Desktop? [duplicate]
I would like to split a single shapefile into multiple shapefiles by using unique values for one attribute/field to select features for each value out into a new feature class.
I found ET Geowizard ...
- 5,825
44
votes
5
answers
27k
views
Calculating average width of polygon? [closed]
I'm interested in examining the average width of a polygon that represents the road surface. I also have the road centerline as a vector (which is sometimes not exactly in the center). In this example,...
- 16.2k
40
votes
9
answers
32k
views
Creating shapefile showing footprints of Rasters?
I have around 1,000 satellite images in tiff format, and I want to create a shapefile which will serve as an index to the rasters. This is something similar to a raster catalog, but I do not want to ...
- 41k
16
votes
3
answers
4k
views
Porting Avenue code for Producing Building Shadows to ArcPy/Python for ArcGIS Desktop? [duplicate]
Whuber provided an answer at Producing building shadows using ArcGIS Desktop? which required using Avenue code.
Any idea how to make it work in ArcGIS Desktop 10?
- 413
4
votes
2
answers
408
views
Moving a shapefile point 500 m west
I am a novice to arcgis 10 so please forgive my ignorance.I have this 2000 survey points shapefile and I was told to , I guess is dislocate, generate new survey points, each new should be 500m west ...
- 41
36
votes
14
answers
112k
views
Getting boundary of raster image as polygon in ArcMap
I have a rectangular raster image in ArcMap.
How can I produce a polygon which is just the extent of the raster image?
That is, I want to have a polygon layer with a single quadrilateral which is the ...
- 3,976
27
votes
3
answers
5k
views
Packing Polygons within polygon using ArcGIS Desktop?
I have a Boolean raster.
In the grey areas of the raster I would like to fit a given size polygon within a contiguous extent.
Basically, I have an irregular polygon, and i would like to "fit" a ...
- 935
23
votes
3
answers
11k
views
Adding new group layer with ArcPy?
Does anyone now how to add a group layer with Python in ArcGIS Desktop 10?
I can use arcpy.mapping.AddLayer but surely this is only for an actual layer as opposed to a group layer.
so far I have ...
- 321
16
votes
4
answers
29k
views
Automated/geoprocesing tool to slice, clip, or cut polygons using polylines using ArcGIS Desktop? [duplicate]
Looking for a simpler method here.
I am trying to split up / cut / slice existing polygons by using existing poly-lines. An example would be splitting a water body or land parcel at the point where a ...
- 221
15
votes
4
answers
25k
views
Manually editing raster to improve classification using ArcGIS Desktop?
I have a land cover classification derived from Landsat TM imagery - I created this classification using ENVI. I would like to edit individual and groups of cells in some areas of the classification ...
- 10.6k
15
votes
5
answers
21k
views
Changing feature class and field aliases in bulk using ArcPy?
I have over a hundred FCs, each with 10 or 20 attributes to add or change the aliases for, two or more times a year. Needless to say, this is not something I'm going to grunt my way through. How can I ...
- 28k
13
votes
2
answers
30k
views
Extracting by Attribute Using ModelBuilder with User Input?
Using ModelBuilder, I want to create a tool that will let a user choose the value or values that will be used to extract a shapefile.
I have a parcel layer with a "Parcel_Type" field. I want the user ...
- 884
28
votes
8
answers
85k
views
Extracting coordinates of polygon vertices in ArcMap?
I've got about a dozen polygons in a feature class loaded in ArcMap 10, all in geographic WGS 1984.
How do I easily obtain the coordinates associated with each vertex of each polygon in that feature ...
- 3,137
20
votes
14
answers
47k
views
Reordering fields (permanently) in file geodatabase using ArcGIS Desktop?
Using ArcGIS 10.0, is it possible to reorder the fields in a file geodatabase, and have the order persisted to the database?
We considered exporting to XML, and writing a parser to change the field ...
- 21k
18
votes
2
answers
10k
views
Counting and rasterizing polygon overlaps in ArcGIS Desktop?
How do you take a vector layer with overlapping polygons and turn it into a raster where each cell counts the number of polygons containing that cell?
We are looking at polygons of fire burn areas ...
- 181
17
votes
2
answers
9k
views
Create weighted Thiessen polygons?
I have a point shapefile and I create Thiessen (Voronoi) polygons programmatically using this scripting syntax:
CreateThiessenPolygons_analysis (in_features, out_feature_class, fields_to_copy)
...
- 1,029
10
votes
5
answers
11k
views
Displaying dynamic table in Data Driven Pages environment?
I am creating a map series that has many polygons per sheet. There is annotation for the polygons however some polygons are very small with no annotation for them (annotation would completely hide a ...
- 806
9
votes
4
answers
11k
views
Exporting 3GB ArcGIS Raster to KML without losing resolution?
I have a 3GB raster layer, and I'd like to export it to KML for use with Google Earth.
When I use the "Layer to KML" conversion tool in ArcMap, I end up with a low-resolution overlay: looks like one ...
- 193
50
votes
5
answers
10k
views
Debugging ArcPy scripts
I have written many Python scripts using ArcPy in ArcMap 10, and so far my only means of debugging is restricted to printing messages to the geoprocessing results window using arcpy.AddMessage().
Are ...
- 7,345
31
votes
7
answers
19k
views
Methodology for creating accurate drainage networks (and catchments) from high resolution LiDAR DEM?
This is not the first time I've stumbled over this issue; it seems that I am unable to generate a correct drainage network model and the resulting catchments from full resolution (1m cells) LiDAR data....
- 20.3k
23
votes
5
answers
26k
views
Obtaining extent of each polygon in shapefile using ArcPy with ArcMap
In ArcGIS 10 and Python I want to get the extent (xmax, ymax, xmin, ymin) info of each of the polygons in a shapefile.
I can get the extent of the whole shapefile using
file=r"D:\SCRATCH\ARCGIS\...
- 7,958
22
votes
3
answers
6k
views
Do ArcGIS SpatialReference object factory codes correspond with EPSG numbers?
I've got a project where I'm reading in geometry objects from text files to put them in ArcSDE. These geometry objects have an associated EPSG code, and I'm looking for a way to ensure they're in the ...
- 15.6k
16
votes
4
answers
21k
views
Selecting features by attribute if in Python list?
I am trying to complete a select by attribute in Python but based on the query of whether an attribute is present in a list.
Such a query at its simplest should be something like this:
qry = " \"...
- 475
13
votes
1
answer
12k
views
Use python to add layers to TOC
I've been battling with adding layers to the TOC for some time now. I have managed to single layers added but need to loop through a folder and add all layers. Shapefiles I cannot get to add at all. ...
- 1,432
12
votes
5
answers
9k
views
Splitting polygon with line using ArcPy?
In looking at Buffering with physical barrier using ArcGIS for Desktop?, it occurred to me that I am not sure how one would go about using geoprocessing tools in ArcGIS to split a polygon with a line ...
- 23k
11
votes
4
answers
50k
views
Cutting features to do opposite of clipping in ArcGIS Desktop? [duplicate]
What´s the easiest/smartest way of getting the opposite output of the clipping tool?
I just need the area of feature A1 which is not covered by feature A2 in a new Layer/File.
Now, I get the result ...
- 235
9
votes
6
answers
36k
views
Representing several points with same coordinates on map using ArcGIS Desktop? [duplicate]
I'm working on Arcgis 10.
I have a point shapefile representing events with several points having coinciding coordinates (They have the same coordinates). For representing them in a dynamic way, I ...
- 3,185
7
votes
4
answers
5k
views
Unsplit/Dissolve multiple touching lines in Stream Network using ArcGIS Desktop?
I am trying to dissolve multiple lines for stream networks into individual features. The dataset contains many stream networks so a complete dissolve of the whole dataset wont do as I would like to ...
- 429
2
votes
3
answers
4k
views
ArcMap fill polygon with points (highest possible number) (Bin Packing Problem: Best Fit)
Is there a tool for ArcMap 10 that fills a given polygon with point geometries?
The points should have a pre-defined distance between themselves, but the points position can vary. Fishnet is not an ...
- 75
13
votes
3
answers
5k
views
Connecting line features and determining the length of the longest line
I have a line feature (see image) representing a river that I created using the Stream_to_Feature tool. The attribute table contains several records representing different lines - the problem is the ...
- 10.6k
11
votes
6
answers
16k
views
Moving / offsetting point locations using ArcPy or ModelBuilder?
I have a number non-georeferenced CAD layers (see this question) that have text annotation features. I have created a model to convert the text to points, but after converting the annotation to a ...
- 23k
11
votes
7
answers
81k
views
Extracting raster DEM elevations to vector attribute tables using ArcMap without 3D or Spatial Analyst
I have an ArcMap 10 project with multiple layer groups. One layer is a raster DEM, another layer group is a bunch of vector shapefiles (including points, lines and polygons). The client wants all ...
- 111
11
votes
2
answers
3k
views
Inserting newlines in Rectangle Text elements via ArcPy causes overlap?
I ran across an issue the other day when I tried to use ArcPy's mapping module to edit rectangle text elements with newlines (\n) in an ArcMap document. Here's what the output looked like:
Here's ...
- 11.8k
9
votes
3
answers
4k
views
Calculating all distances from single points to multiple polygons [closed]
I have two layers: a point layer defining properties (95 objects), and a polygon layer defining plots of land associated with the properties (211 objects). Each point relates to one or more polygons. ...
- 385
8
votes
2
answers
6k
views
Troubleshooting ERROR 000989 Python syntax error from ArcGIS Field Calculator?
I'm trying to used the Python syntax in ArcGIS 10's field calculator and am thoroughly confused. So far the most basic calculations are failing me, and I don't understand why.
I'm trying to create a ...
- 16.2k
8
votes
3
answers
9k
views
Adding "noise" to overlapping X,Y coordinates so no longer in EXACT same place?
I have a series of points representing animal observations. Many of them overlap, having the exact same coordinates, and this is causing me trouble when I want to run some analytical tools which ...
- 81
7
votes
3
answers
20k
views
Removing spatially duplicate features using ModelBuilder?
I am creating a model to remove features which are duplicated within a polygon feature class. Most of the features are duplicated once, but about a quarter have up to three or four exact copies. I do ...
- 4,045
7
votes
1
answer
26k
views
Assigning Raster Value to Point Data
I have a large raster layer with wind speed values assigned to each cell. I also have point data that displays locations where wind farms have been constructed. I would like to add the raster values ...
- 71
30
votes
6
answers
22k
views
Ways to Speed Up Python Scripts Running As ArcGIS Tools [closed]
This is a pretty general question. I just wondering what tips and tricks GIS programmers have used to speed up arcpy scripts that you import into the toolbox and run.
I work most everyday writing ...
- 4,377
20
votes
4
answers
22k
views
Using ArcPy to zoom to selected feature?
Is there a way to zoom to the extent of a selected feature using the ArcPy module in ArcGIS Desktop 10.
- 6,160
17
votes
3
answers
52k
views
Removing duplicate features with same geometry in ArcMap?
Is it possible to uniquely identify each geometry in a feature layer?
Essentially I have a polygon feature layer with many rows of data represented by the same geometry. I would like 1 row for each ...
- 520