Questions tagged [value-list]

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25 views

Making dropdown in ArcMap tool where each item links to spreadsheet?

The script below imports a spreadsheet into ArcMap and generates a shapefile. Currently, I can use the ArcMap tool that interfaces with the script to navigate to the spreadsheet I want to import. This ...
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1answer
38 views

Using the results of geoprocess function in another geoprocess function

I have a list to hold the iterated results of running arcpy.MakeFeatureLayer and 'arcpy.CopyFeatures` geoprocesses. selectList = [] fip = '13245' for fc in featureclasses: select = arcpy....
2
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1answer
34 views

Comments not getting saved in layer attribute

I have to send the shp files for the filling of the attributes to the field agents. To clarify the type of attribute to be collected I want to provide details in comment column of the Fields in Layer ...
5
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1answer
650 views

How to read a raster value table (VAT) in QGIS? [duplicate]

By default, QGIS does not seem to recognize "Value Tables" (VAT) the way ArcGIS does. So far I cannot find a way to represent the pixel values discretely, or apply a "legend" to the layer. Is there ...
1
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1answer
249 views

Sum new values to existing attribute values in PyQGIS?

I'm trying to sum new values from a list in one loop to the existing attribute values (not in a new column, but in the exiting attribute values itselfs). def radiusDivider(dist): try: itlayer = ...
1
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1answer
592 views

Update field's rows with a value of dictionary

I'm new in programming and I'm struggling with my code. I have a dictionnary of districts and communities for each, like this: MyDict = defaultdict(<type 'set'>, {u'DISTRICT': set([u'community1'...
0
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1answer
90 views

Connecting GetParameterAsText with Pick List?

I am sitting here already awhile and can't find an answer on my own. I actually have pretty much the same Problem which was already asked (MultiValue-String to SQL Expressions). But mine is more ...
0
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1answer
212 views

Creating a list of Rasters from another list of Rasters based on file name?

in Arcpy trying to create a subset of rasters from a list of rasters. Basically the idea, run arcpy.ListRasters on a geodatabase, check all raster names for a user input value, then add those rasters ...
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1answer
85 views

Extract value from Polygon to Grid?

Can I extract value from a polygon that contains countries to Grid polygons that I have created?
3
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1answer
295 views

Python multivalue list to script

I have some scripts that make symbology for different layers in my TOC. And now I want to merge them into one big script which should have parameters chosen by user to start certain part of script. ...
1
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1answer
84 views

Making a drop-down list for launching a model

Is that possible to make a model in which you can choose what certain model you are going to run? For example I have a list of models like: Roads intersections detector level-1 Roads intersections ...
1
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1answer
599 views

Extracting pixel values in satellite images using ArcGIS for Desktop?

I'm trying to extract the pixel values(intensity values) of Landsat-8 satellite images using ArcGIS, I have an image and a crop data layer(CDL). Then I only kept the data for one crop, and got the ...
0
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1answer
251 views

Using arcpy.SearchCursor() for multivalue field?

I need to make a multivalue field to be selected as:   Input_Features = arcpy.GetParameterAsText (0) Num_Pop = arcpy.GetParameterAsText (1) #(It contains population data for the periods 2020, 2025, ...
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1answer
62 views

Get value from list class (vector) in R [closed]

I have a simple question about corce(?) list class data into vector. I extract a tif file from polygon to achieve a list. Maybe the class of list is leaded by extract function. I check the list length ...
2
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0answers
404 views

Populate list from arcgis server service in JQUERY javascript aplication instead of DOJO?

I would like to populate a list on a select combobox using jquery with data from an arcserver service.I'm wondering if this is possible and if so how i would implement it. I'm using the esri ...
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2answers
2k views

Tasseled Cap Transformation coefficient and Bias Value

I want to perform Tasseled Cap transformation of Landsat 5,7 and Landsat 8 data manually in ArcGIS. Please let me know where from I can get the coefficient values and Bias values for the following ...
4
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2answers
1k views

Limiting list values based on previous field in QGIS Forms?

Looking for assistance to set up appropriate configuration to enable drop-down lists values to be filtered based on a previous value. Basically, I have a 3-tiered categorisation structure to one of ...
2
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2answers
950 views

Limiting available values in dropdown field of QGIS form according to value selected in previous field?

I'm building a rather complex entry form for a layer stored in a PostGIS database. I am following this usage scenario: On several occasions I have dropdown fields which lets the user select a type of ...
2
votes
2answers
606 views

Conditional value map widget in QGIS

I am looking for a way to implement conditional value mapping in QGIS. This means that the values available in attribute number 2 depend on the value provided in attribute 1. Example: If the user ...
2
votes
1answer
437 views

Display the size of the dot based on the value [duplicate]

I import a CSV File and for each coordinate, I get a point in the map. Can I set a column for the value. Then the size should based on the value have a special size. Or based on all values, it should ...
2
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0answers
233 views

Select intersecting features within Value Relation Widget

Is it possible to filter records in the Value Relation Widget to include only those that intersect the current feature? We are trying to set up a layer for user input where we need to populate Start/...
1
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1answer
268 views

Multivalue input from chosen field giving patchy input strings from ArcPy?

I made a small tool that can be run from a toolbox. It has a validation code to choose multiple values from a specified field from a specified feature layer. It looks quite ordinary: The validation ...
3
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2answers
2k views

Android app: GPS Logger and POI recorder, with offline map

I am looking for a good app that can do one or many of my below listed requirements. They are listed with the most fundamental functions first. Preferably the app can do all of it, but it should at ...
0
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1answer
870 views

How to set parameter filters in ToolValidator?

I am populating parameter[2] using validation code provided by ESRI. How can I modify this code to repeat for parameter[3] what was done for parameter[2]? To elaborate...param[0] is a user supplied ...
4
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2answers
4k views

How to set proportional value in legend?

I have a GIS table with traffic flows.The thickness is proportional to the traffic value and I'd like to have a little legend with 3 links proportional to setted value (eg: link1 proportional to 100 ...
3
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1answer
204 views

Can I use predefined list of values from Postgis when I draw lines in QGIS?

Lets say that we have 2 tables in Postgis: Table 1 (PIPE): -ID -pipe_type_id -geometry Table 2 (PIPE_TYPE): -ID -type foreign key PIPE.pipe_type_id - PIPE_TYPE.ID Table PIPE is empty. Table ...
6
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1answer
2k views

Programmatically Populate Value List in ArcGIS Tool Interface?

I'm just trying to set up the parameters in a tool I've built in ArcGIS. What I want to do is read in a feature class or table and get the values in a specific field called "SITE". The field contains ...