ArcGIS refers to a family of GIS software from Esri which includes desktop (ArcReader, ArcMap, ArcCatalog), server applications (ArcGIS Server), mobile devices (ArcPad, ArcGIS Mobile) as well as online services (ArcGIS Online).
4
votes
1answer
60 views
How can I query lines that meet in endpoints, and show the result in clockwise order
I have some polylines - roads. They meet in an intersection like on the picture:
I want to find out which roads meets Road A - endpoint to endpoint - and i want to know the clockwise order of the ...
3
votes
1answer
176 views
Trouble with accesing API code: “ReferenceError: esri is not defined”
I am developing a web map application in the ArcGIS API for Javascript.
I two have ArcGISDynamicMapServiceLayer layers that I am trying to run a simple query task on. The code I am using works in ...
1
vote
0answers
24 views
Problems running zonal statistics - not all zones represented
I have been working on a Python script to automate the steps illustrated by whuber here:Create points around the edge of viewshed results
I am trying to create a horizon graph illustrating the ...
4
votes
0answers
35 views
Is it possible to implement sticky move tolerance in a ArcGIS JavaScript API application?
We are working on a project in ArcGIS JavaScript and is going fine. We want to add sticky move tolerance to our project so it will not be so easy to move features on the map.
Is it not possible to ...
1
vote
3answers
41 views
Split a layer into a single layer
I have two multi-polygon layers, one a map of land uses, the other borders of administrative areas.
I am interested in analyzing the amount of land use in each administrative area, but the polygons ...
1
vote
1answer
83 views
How to import values from feature to variable list in Model Builder
I'm trying to create a model to find POI by selection by atrribute. I have feature layer (POI with three fields Kat_1, Kat_2, Kat_3 ) and 3 parameters ( Variables: Kat_1,Kat_2,Kat_3).
How to import ...
1
vote
0answers
28 views
ArcGis Js Api: dynamicly add all feature layers
I have a mapserver
http:// mymapserver/services/rest/xxx/mapserver/
which contains 7 layers with /mapserver /1 /through mapserver/7
If a define an ArcGISDynamicMapServiceLayer and 7 ...
0
votes
2answers
67 views
How to delete isolated pixels in ArcGIS 10.1?
I want to know that it is possible or not to edit the raster pixel in ArcGIS.
I want to delete isolated pixel and I want to delete some pixel by manually.
please tell me how can i do it manually or ...
2
votes
1answer
44 views
How can I set the settings of an Address Locator within a Model or arcpy?
I am creating a model that processes a large road dataset, then creates an address locator from the roads. The Create Address Locator tool does not allow me to set options like Spelling Sensitivity or ...
1
vote
0answers
36 views
Feature to Raster Conversion Results in Empty Raster [closed]
I have a simple shapefile with one feature in it with a single value (of 1). I am trying to run a Euclidean Distance on that feature, but I get "invalid parameters" errors.
So I tried to convert the ...
1
vote
1answer
46 views
Why do points shift when reprojected from WGS84 to a state plane coordinate?
We have a Trimble unit we use to collect equipment.
We collect the data in WGS84 and differentially correct it and then reproject it to a state plan coordinate system.
The points always shift the ...
2
votes
1answer
42 views
Exporting Selection Using Python
I currently have a search cursor iterating through a shapefile in ArcGIS 10.1 that selects a feature and runs a viewshed analysis on that feature (and only that feature).
What's the easiest way to ...
1
vote
1answer
31 views
Web map tool with high interactivity [duplicate]
I'm looking for an ArcGIS Online alternative. It needs to be
linked to a private MySql server
Use shapefiles
Display attribute data and charts upon click/hover
Toggle shapefile to display/disappear
...
3
votes
2answers
273 views
Creating dynamic GIS charts in ArcGIS 10.1
I have generated a table which has road segments which get inundated during different flood events. I want to be able to add a pie chart to the map which shows that during each flood ARI (1y, 2y, 5y, ...
2
votes
1answer
311 views
ITopologicalOperator and Z Values
I have 2 polygon featureclasses with Polygon ZM features.
I am trying to do a ITopologicalOperator.Difference() on these feature classes but it errors saying that:
Geometry cannot have Z values
...
1
vote
2answers
182 views
IFieldChecker problem
I'm having some problems using IfieldChecker.
I have this following code, which I'm trying to test permitted/not permitted fields, according to my workspace
public IEnumerable<IFieldError> ...
1
vote
1answer
81 views
FeatureDataGrid and FeatureDataForm will not commit to database or input data
This is the second time that I have posted about this. In my previous question they told me I needed to enable the Feature Access capability. I did this and then it said I needed to have a Data Store ...
5
votes
1answer
34 views
Save Point Representations Spatial X and Y
So I have a bit of an issue of points with the same x and y that I need to display separately from themselves. Here is some history of this issue:
I have a database of incidents that happen over a ...
1
vote
1answer
59 views
A simple Python Script to save the currently opened mxd and changes
Here is what I have so far...
import arcpy
import arcpy.mapping as map
mxd = map.MapDocument()
mxd.save()
And yes I know that map.MapDocument requires an argument, but I want it to automatically ...
9
votes
3answers
291 views
How can I setup a portable ArcGIS installation on a flash drive?
How can I setup a portable ArcGIS installation (ArcMap, Catalog) to run from a flash drive / USB stick? I think there may be an existing solution but I didn't find it yet. Can I make it myself, and if ...
12
votes
3answers
863 views
Are the ESRI .lyr and .mxd data format specs published?
Are the binary formats of .lyr and .mxd files published?
8
votes
8answers
1k views
How to build topology without an ArcEditor or ArcInfo license?
I have a huge dataset that I am capturing that was full of errors previously and I want to make sure that the new version is error free - which can be very time consuming with only an ArcView standard ...
1
vote
3answers
2k views
How to style OS VectorMap district data?
Following a question about ways to load OS VectorMap data, I have imported the data into ArcGIs, but now want to style it in a OS-map style. I have searched around, and found various bits of ...
0
votes
1answer
34 views
Maintain 8-bit pixel depth in Raster Calculator
Would anyone know how to maintain 8-bit pixels when computing raster calculations in ArcMap?
0
votes
1answer
52 views
Determine what value used in Editor.OnCreateFeature
How can I determine what Value-Layer (not the layer itself, but the different colors for different attributes) was used in ArcGIS CreateFeature Event, when I insert a new feature using the Editor?
2
votes
1answer
223 views
How to change symbol and legend of a feature class in ArcMap?
I want to change the symbol of features and legend programmatically. When I use this code
Dim pSymbolSelector As ISymbolSelector
Set pSymbolSelector = New SymbolSelector
Dim pMarker As ...
1
vote
4answers
164 views
Counting road intersections and blocks
I have a shp file that consists of the road system of Mexico City. I would like to count the number of road intersections (crossings) and blocks (which I would define as a segment starting from one ...
1
vote
1answer
88 views
Convert Heatmap into a Grid of Points
Question: How do you take a heatmap generated using a GIS software (arcgis, qgis...) and convert it into a uniform grid array of points which can be used to regenerate the heatmap (although with ...
0
votes
0answers
30 views
Create annotation layer with follow feature option set as default
I would like to create an annotation layer that has the "follow feature" option as the default. I've looked all over and can't seem to figure out how to do this from the initial annotation layer ...
2
votes
1answer
97 views
What is the proper way to delete an SQL Server database in order to delete an SDE geodatabase?
I'm new to this SDE stuff and would like to know the best way to cleanly delete an SQL Server database in order to delete the SDE geodatabase. Is it as easy as right clicking on the database in SQL ...
0
votes
2answers
75 views
Raster Calculator question for Multiple Rasters
I am having trouble for writing script in Python (ArcGIS 10.1). The task is generally divide each raster by 100. I have many of these raster files....
So what I've done is the following:
from ...
0
votes
1answer
98 views
Resample, ArcGIS: How do I avoid resample taking into acount NoData values?
I am trying to re-sample a raster dataset to match the resolution of another dataset. I have fine resolution data on small islands (surrounded by NoData in the sea). When I re-sample the data to a ...
3
votes
1answer
47 views
Best way to create a georeference and projected data from a hand-drawn maps of mythical village for use in spatial stats training modules
I am preparing datasets for students in a spatial statistics course for a module on spatial autoregressive models. We will use ArcGIS 10.1. The first dataset will correspond to a mythical ...
0
votes
1answer
43 views
Error while creating a slope [duplicate]
I have a elevation raster (1 arc second) downloaded from USGS site. Before adding it to ArcMap I changed the display units to meters.The projection system for this raster is GCS_1983. When I use the ...
2
votes
1answer
38 views
How to convert existing lines to polygons with Arcobjects, preferably in C#?
Does anyone know how to convert existing line geometry to polygons with arcobjects as it works with the geoprocessing tool "feature to polygon"?
0
votes
0answers
20 views
Can't open ArcGrid created by Seamless viewer from NED
I have been unable to add elevation rasters generated by, and downloaded from the USGS's Seamless viewer, http://seamless.usgs.gov/website/seamless/viewer.php from the National Elevation Dataset ...
3
votes
2answers
245 views
Why is Raster Layer not visible?
I have a raster dataset that is not visible in Data View, but it is listed in the Table of Contents.
I have tried viewing it in ArcCatalog but it is not visible there either.
Is there something I ...
0
votes
0answers
53 views
Topographic Wetness Index
Is there any option to SAGA to calculate the Topographic Wetness Index ?
I have a big area and I tried many times with SAGA, the last time I thought the results was ok (before SAGA would crash or give ...
1
vote
1answer
64 views
How to display relative concentration of point features in ArcMap (heatmap)
Please bear with me here - I'm pretty new to GIS, and I'm having a lot of confusion about all the different terms I've seen thrown around.
Here's my problem: I have a large dataset of point ...
7
votes
4answers
2k views
How to develop GUI in Python for geoprocessing?
I want to develop GUI in Python for geoprocessing, but I don't know what is the best GUI tool or library (Tkinter, PyQT, wxPython) for geoprocessing? Can I use PyQT for GUI programming in ArcGIS?
4
votes
5answers
2k views
How do I build a form within ArcMap?
I am building a file geodatabase using ArcGIS. The gdb is going to be distributed to dozens of 'stand alone' machines. End users are expected to populate the gdb with data. End users do have ArcGIS ...
3
votes
5answers
4k views
ArcObjects - Create and Draw a Transparent Polygon
I'm trying to create a transparent Polygon in ArcMap; however, it's never transparent. Here's the code I have.
// Create polygon
IPolygon polygon = new PolygonClass();
// create & add ...
2
votes
1answer
63 views
About regression analysis in arcgis
I'm trying to do regression analysis using a shapefile which contains dependent variable (NDVI) and explanatory variable (prec) in Arcgis. First, I run GWR analysis and then run spatial ...
1
vote
1answer
38 views
Append to rather than overwrite to a single table in arcpy
The code thus far works to create multiple output files, but I'd like to set it up so that the data is all exported onto a single table across multiple rows. The issue is I believe with the part in ...
0
votes
1answer
39 views
How to import HDF (L1G) files in to Erdas or ArcGIS?
I have downloaded satellite imagery from GLCF website, it has downloaded with .L1G file extension, I am not able to open this file in ArcGIS as well in Erdas, so please let me know how to open this.
1
vote
2answers
53 views
cast from IFeatureClass to ISchemaLock
I'm programming with the ARCGIS Java SDK, in Eclipse.
I need to cast an IFeatureClass to an ISchemalock. This cast is supposed to be allowed. There is an example of this cast in:
...
2
votes
3answers
176 views
How to handle layers with different Spatial references in ArcGIS Runtime SDK WPF?
I am currently writing the "Zoom to Layer" function for my application. However, the spatial references between my imported layer and my base map is different?
Is there a way around this? Can I some ...
0
votes
1answer
238 views
Getting an“ 001270 error : Consolidating the data failed.” while publishing as map service in arcgis server 10.1
I am getting an error "001270 error" .
I am inserting table for sql-server database and joining few records to polygon layer
also I have lat,Lon data in few tables so I am displaying data using ...
11
votes
0answers
201 views
How can I utilize NumPy arrays to optimize big data geoprocessing?
I'm interested in learning how to utilize NumPy arrays to optimize geoprocessing. Much of my work involves "big data", where geoprocessing often takes days to accomplish certain tasks. Needless to ...
23
votes
2answers
953 views
Streamlining Python Code for Big Data
I have Python code which is designed to take point shapefiles through the following workflow:
Merge points
Integrate points, such that any points within 1 m of each other
become one point
Create ...
