Tagged Questions

ArcGIS for Desktop is an Esri product from the ArcGIS Platform. This tag should be used to distinguish issues with it from those of ArcGIS for Server, ArcGIS for Mobile, ArcGIS Online, etc

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6
votes
2answers
98 views

How do I convert a tweet into a point in QGIS?

I've been doing some research on using R to datamine twitter, but I haven't really found an answer or a decent tutorial for my question. I'm interested in pulling tweets from twitter with a certain ...
0
votes
0answers
14 views

ArcGIS 10: How to mask a raster by using extract by mask tool If the feature mask is larger than the raster area?

I have a problem to mask the the raster which has values ranges -0.73106217384338 - 0.94593381881714. These values have been derived by using equatin (B3-B4)/(B3+B4) from Landsat band 3 and band 4 ...
0
votes
1answer
63 views

How to list attributes in a field using Python?

I'm using ArcGis 10.2.2 and I'm creating a model in ModelBuilder. I want to know how I can list the attributes of a field and then make a selection for each unique attribute using Python. I have a ...
1
vote
3answers
18 views

Selecting an attribute from a classified raster image

I am trying to select just the black attribute (classified water in the image) but I can not select anything. In the attribute table it lets me select the row, but it will not select in the map. I ...
3
votes
1answer
98 views

ArcGIS 10. Convert dbf to csv or similar in ArcPy without cursors

I have many dbf's created by the Spatial Analyst Sample tool. I would like to convert those dbf's into csv's or space delimited (or any text for that matter). I can't seem to find the ArcPy equivalent ...
2
votes
1answer
34 views

Join attributes from multiple polygons to an overlaying polygon

I have a polygon-shapefile, containing 562 single features (feeding -layer). I want to add their attributes to an overlapping polygon-layer (bear_buffer -layer), containing 1330 features. The ...
2
votes
1answer
62 views

How to use the tool “Polygon to Raster” with arcpy when the polygon is a row from a Shapefile?

I tried to iterate over the rows from a Shapefile with the search cursor. Every row is a polygon and I want to make a raster out of this polygon so I tried this with arcpy.PolygonToRaster_conversion. ...
2
votes
0answers
17 views

ArcGIS AddIn with WPF DockableWindow causes ArcMap to not even start up anymore

I have a simple ArcGIS AddIn with a toolbar and a button on it, which opens a DockableWindow holding a UserControl with some UI Elements on it (a textbox and a listbox). The whole thing was made with ...
2
votes
1answer
30 views

Converting ASCII file to shapefile in ArcGIS Desktop?

I am trying to convert ascii to shapefile I have huge points, latitide, longitude and elevations, I want to use geoprocessing tool also to convert this please let me know if anything is avalible. I ...
3
votes
0answers
59 views
+50

How can I calculate route using travel time in network analyst?

I'm new in ArcGIS network analyst.I simulate the network for route using live traffic data(fig1) . The traffic data gives travel time .When i want to use routing, the results is not true based on ...
0
votes
1answer
24 views

Unable to Drag to rearrange layer drawing order in Table of Contents of ArcMap?

I'm new to working in ArcMap, but I seem to have a very small issue. I'm using ArcMap 10.2.2 on Windows 7 Ultimate and for some reason, I can't rearrange the layers I'm working with in the table of ...
2
votes
0answers
30 views

Shapefile name specific failure with Append in ArcGIS 10.2

Can anyone tell me why the append (Desktop Management) function is not working on my 64 bit Windows 7 machine with ArcGIS 10.2.2 under the specific conditions described below? All tests on my machine ...
0
votes
1answer
52 views

Needed either python or VB Script to write right indent

Question : I have a field column that is has numbers with percent. The field properties are string and 50 in length. I ran it in an expression using round([T_Acres]/207 * 100,0) + "%" in VB script . ...
1
vote
0answers
5 views

Convert Google Sheets with APN to ArcMap to generate shapefiles

I'm working with a group who wants polygon shapefiles showing the parcels that are part of their land holdings. They use Google Sheets to record the APN for each parcel. They want to convert the data ...
1
vote
1answer
20 views

TIN gets distorted when I use hard clip to edit it

I have two cross sections from which I have created a TIN as can be seen in the following image. For removing the extra outer portion of the TIN, I created a polygon from the cross-sections and edited ...
-1
votes
0answers
15 views

Convert NDVI map into shapefile [on hold]

I have NDVI raster file. I want to convert raster file into shapefile.how to clip shapefile ?
1
vote
1answer
22 views

Attaching pictures to polygons in attribute table in batch using ArcGIS for Desktop?

I use ArcGIS and I want to attach a picture of each polygon as raster in attribute table and I have 1900 of polygons. Can somehow attach batch photos as raster that have same ID like polygons? It is ...
1
vote
0answers
20 views

calculate the number of pixels by color for each road in google traffic image?

I am new here. I got stuck with masking out background and counting the number of pixels by three colors for roads in google traffic image. Is it possible to do it in ArcGIS? what function should I ...
1
vote
0answers
21 views

Update enterprise database from shapefile data?

Where I work we recently moved our GIS data from GDB databases to an enterprise SQL database. We primarily use ArcGIS 10.2 to edit and maintain our internal data but we also receive ancillary data ...
1
vote
1answer
48 views

Create an equidistant grid in ArcGIS?

I am newbie at GIS, however, I need to create this grid with equidistant boxes similar to graph paper such that these can show approximate distance around different types of places. How do I do it? ...
1
vote
0answers
21 views

Asset point IDs, pipeline and flow direction

I have a data set of a sewage pipe network and point data (assets). I would like to: first calculate the flow direction of pipes (polyline feature) assign IDs to the pipelines using asset IDs ...
0
votes
0answers
24 views

how to add different data frames in QGIS? [duplicate]

![enter image description here][1]how can i add different data frames in QGIS and show all data frames in single map like we add different data frames in ARCGIS and in single map we show these data ...
1
vote
0answers
16 views

Enable/Disable Parameters based on Boolean

I'm working in model builder and I have a boolean parameter that determines which of two processes run. Right now, all of the parameters for both processes show up when I run the model. Is there a ...
1
vote
1answer
36 views

Iterating an ArcGIS tool over multiple Fields with selection boxes

I have one shapefile that contains many fields and I'd like to write a simple script tool that allows me to run IDW for the fields I select. Is this possible? For example..... Input: 1 shapefile ...
1
vote
0answers
21 views

How to use Attribute Assistant in Canadian Municipal Data Model

Currently trying to use the attribute assistant that you download as part of the CMDM. I have the tables in my new geodatabase, but when I try to edit them I get an error about the Global ID, which ...
2
votes
2answers
51 views

Finding a point inside a polygon based on maximum value of a specific field

I have a Polygon Shapefile that represents US counties and a Point Shapefile that represents hospitals. The hospital attributes table includes fields like "Number of Beds", "Number of Patients" and ...
1
vote
2answers
103 views

Field Calcuator to add percent using Python

What might I go wrong here is that I am trying to add percent. I use the Field Calcualtor and it keeps getting an error. I am opening the Table to add a field named Percent and then type this: ...
4
votes
1answer
34 views

Curvature computation for different scales

I would like to assess terrain curvature, i.e. the 2nd derivative of a DEM, on different scales. The most common approach to curvature seems to be the one suggested by Zevenberg (1987) where a ...
1
vote
3answers
43 views

Export selected fields in ArcGIS to Excel using Python

I'm am creating a script that will allow a user to add XY coordinates to a point layer, then export (along with any addition user selected fields) to Excel. I am getting stuck on the iteration of the ...
1
vote
2answers
32 views

Edit multiple vertices of different features simultaneously

I am using ArcGIS 10.2.2 and would like to edit multiple vertices of different features simultaneously. For example, I have a man hole with three laterals - is it possible to select all four features ...
1
vote
2answers
43 views

How to use an IF THEN statement in an sql Select expression?

I need to select the top 3 records from a table, but depending on an inline variable from an iteration, occasionally one of those top 3 records should not be selected and should be replaced by the top ...
1
vote
0answers
13 views

Attach attribute information to stream links

How can I attach related attribute information to individual segments of a stream?
0
votes
0answers
9 views

Difference of Archydro and Hydrology Between [duplicate]

What are differences between archydro and hydrology tools? What does ArcHydro add on hydrology tools?
1
vote
1answer
33 views

where is the sequence in Oracle associated with the Objectid field in ArcGIS, and how to manage it?

I am working in ArcGIS 10.1 with non-spatial Oracle tables. These tables have a field named 'objectid' because were created originally for inserting/updating records by using ArcGIS instead, not ...
1
vote
0answers
40 views

Mosaic many rasters in ArcGIS is slow

I am trying to merge 166 tiles into a single world raster (500 meters resolution) through ArcGis "Mosaic to new raster" tool with a simple Python script. The process seems incredibly slow. Before ...
0
votes
0answers
14 views

How can I keep selected the output feature elements from a toolbox?

I have a simple toolbox (ArcGIS 10.0). From some selected elements from one layer, the tool, create a new one. I want that all the elements inside this new layer keep selected at the end of the ...
-1
votes
0answers
24 views

Creating polygons using exact measurements? [closed]

How do I create a polygon using the exact measurements (in metres) in ArcMap 10.2?
1
vote
0answers
22 views

Are there naming rules for direct connections from ArcGIS to PostgreSQL?

I don't have problem direct connecting arcgis to postgresql if my database name contains only letters, but when the name contains dashes or underscore e.g:"gisdb-dev", I receive an error when setting ...
2
votes
1answer
26 views

How to clip buffer polygon from its source line?

I'm trying to clip a 30 meter buffer polygon built around a highway line feature using a smaller 6 meter buffer that represents the actual width of the road, so that the original 30 meter buffer is ...
0
votes
0answers
11 views

How to export (only) final iteration from modelbuilder?

I'm using an iterator in Model Builder (1) to merge files, using a feedback loop (2). The output file is named "Output_%n%.txt", (3), so each file is unique. Now, I'm merging a fair number of files, ...
1
vote
0answers
22 views

Navitel Navigator 5.0 map file

I have Navitel Navigator 5.0 map file(.nm3) for navigation. Is ther is a way to open this file on PC? Do we have a software that works as a navigator for PC such as Navital Navigation for android.
2
votes
1answer
33 views

Clip_Management seems to delete shapefile?

We have some python code that clips a very large shapefile for further processing. We can see the process create all the output files, but then just as the process is finishing, they get deleted. ...
2
votes
3answers
31 views

Delete isolated polygons smaller than a specified area

Hi I want to delete isolated polygons (only polygons not adjacent to other polygons) smaller than a specified area. Like the polygons displayed here in the white space. I can do a select analysis - ...
3
votes
2answers
37 views

Labeling runs out of map extent and onto borders when exporting to PDF from ArcGIS for Desktop?

When I have tried to export several of the maps I have made but I have a problem with labeling that runs out of the map extent and onto the borders. I am exporting to a PDF and opening the file in ...
0
votes
2answers
63 views

NDVI derived from Landsat band 3 and band 4 using QGIS raster calculator shows the different range when opening in the ArcGIS

I have calculated Normalized difference vegetation indices from landsat 5 band 3 and band 4 that have 0-0.38 minimum and maximum ranges respectively. But whenever I open the same NDVI.tiff file in ...
1
vote
1answer
49 views

Geocoding millions of addresses

I have millions of addresses that I want to geocode and I can do that in ArcGIS but it would take me endless number of hours. Is there a faster method that you can recommend?
3
votes
2answers
38 views

How to get arcpy to work with Anaconda?

I am trying to follow the step-by-step directions in the answer to "how to separate Python installation with ArcGIS" but cannot find the path file, DTBGGP64.pth, in ...
10
votes
2answers
882 views

How to cartographically represent water flow?

I am modelling water flow on steep slopes for an erosion study. You can see from the screenshot the results from the ArcGIS-based flow analysis. To produce these flow lines, I generated a ...
1
vote
1answer
29 views

time required to get results by solar radiation tool

how much does time does ARCGIS solar radiation tool takes to give solar map for day of about 50 km area?
0
votes
1answer
27 views

Where does ArcGIS persist shared AddIn folder configuration

We want to rollout our customized ArcGIS AddIns enterprise wide. Therefore the esriAddinfiles are stored on a shared folder on the network. ArcGIS does automatically install those (and any updates) if ...