How to index a field in arcgis pro - Short multi-part video on how-to use join field to combine pivot tables in preparation for summary statistics. Courtesy of Tessellations Inc., visit us at ht...

 
I am a newbie to ArcGIS Pro, and don't know to solve it. Below a picture is added showing happened when I used Join Field without success (in my real case). To the right are six land use types that shows values in kg (phosphorus). The SUBID2016 is the ID-number column and the DETALJTYP column is the land use type column.. Spypoint link micro update

| Help archive The Indexes toolset provides tools that create and remove indexes. ArcGIS uses indexes to quickly locate data. Attribute indexes are used to locate records that match an attribute query, and spatial indexes are used to locate features that match a spatial query. Related topics An overview of the Data Management toolboxCreate a new field with Short or Long integer data type. Refer to ArcGIS Pro: Add data to an existing table for more information. Right-click the header of the new field, and select Calculate Field. In the Calculate Field pane, ensure the right parameters are selected, and the Expression Type is set to Python 3.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ...Are you a beginner looking to kickstart your career in the field of Information Technology (IT)? With the rapid advancement of technology, having a solid foundation in IT has become increasingly important.Buffalo Bills running back Damien Harris was transported off the field in an ambulance after sustaining a neck injury during the team's home game against the New York Giants on Sunday night ...# get the names of all the fields that start with 'Field' AllFieldNames = [Field.name for Field in arcpy.ListFields(YourFeatureClass,'Field*')] # get an update cursor with only the columns you need with arcpy.da.UpdateCursor(YourFeatureClass, ['total'] + AllFieldNames) as uCur: for uRow in uCur: # iterate over every row in your feature class ...To set how map scales appear in 2D, use the Scale Format tab on the Scale Properties dialog box. There are many ways to enter scale values: Type a number with or without comma separators. Type 1: and a number. Paste values into the box. Type a relative scale (for example, 1 cm = 100 m or 1 in = 1 mi ).The Input Table parameter value can be a feature layer, a table view, or a raster layer with an attribute table. If a data path is used, the layer will be created with the join. The join will always reside in the layer, not with the data. To make a permanent join, either use the Join Field tool or use the joined layer as input to one of the ... Hi Rickey. Yep - using ArcGIS Pro 2.5. It is summing multiple polygons based on the Shape_Area field (m2). I was hoping to be able to calculate some features to be a percentage of the value in the Shape_Area field based on categories in a different field (i.e. Category = 30% would result in Shape_Area x 0.3 for that row only).I have found that using the Fields view of the attribute table in ArcGIS Pro, as opposed to simply dragging columns, is much better a rearranging columns. This is (of course) only a temporary Layer setting, and doesn't permanently alter the field order of the underlying feature class.ObjectID fields are sequential and start with the number 1 for geodatabase data. For shapefiles and dBASE tables, the OID or FID column begins at 0. If you are unsure what type of table you're working with and whether it has an ObjectID field, you can quickly find out. In ArcMap, on the top of the table of contents window click the List By ...Each field or index object has a number of properties that can be used to explore the object. Alternatively, the ListFields and ListIndexes functions can be used to create the …Summary In ArcGIS Pro, it is possible to copy field values from one feature to another. When working on a project involving continuous data collection, feature classes may intersect and share the same field values, and attribute rules allow users to auto-populate the attribute fields of newly created features with the values of the intersecting …Add a point feature layer. Point features are typically displayed in a feature layer on top of all other layers. Use the FeatureLayer class to reference the Trailheads URL and add …Add a new text field in the attribute table to store the concatenated attributes. Refer to ArcGIS Pro: Fields view for steps to create a new text field. Note: The field to store the concatenated attributes must be a text field. Refer to ArcGIS Blog: Concatenating field values using Calculate Field for more information. Using an existing field ...To create a grid, complete the following steps: On the ribbon, click the tab where you added the Clearing Grids tools, and click Open Clearing Grids . Click the Create Grid button . Select the type of grid you want to create. A geoprocessing dialog box opens for the type of grid you selected. Fill out the dialog box and click Run.I simply want to add a Field to an existing attribute table in ArcGIS Pro and sequentially number this field (e.g. record 1 will show the number 1, record 2 will show number 2, record 3 will show number 3, etc. until all the records have a number. I've tried the sequential number expression using Calculate Field but it uses the ObjectID field.If your feature class or table contains a 32-bit, unique, not null integer, ArcGIS Pro will detect the qualifying field and set it as the unique identifier. To use a field as a unique identifier in ArcGIS desktop apps, the field must be not null, must contain unique values, and be one of the following data types: Values in the field must always ...Yes, spatial relations of some types can be calculated using Python. The issue you’re going to run into here is that the field calculator only sees the fields in one layer, so you would need to join the second layer to it, which for the example you describe would be easiest if the first layer of polygons had a uniform field and the second layer of points was a single multipoint-feature with ...There are four standardization methods: Z-Score, Minimum-maximum, Absolute maximum, and Robust standardization. The Z-Score method measures the difference between a value and the mean of all values in the field using standard deviations, otherwise known as the standard score. Potential application—Assess the significance of a value in ...Sign in to ArcGIS Online and open the desired feature service in Map Viewer. In the Content pane, navigate to the desired layer, and click the Show Table icon. In the attribute table, click the Options icon, and click Add Field. Configure the Add Field dialog box, and click ADD NEW FIELD. A new field is added to the hosted feature service.This field will be added to the output feature class. This parameter is only valid when the spatial relationship is specified (Match Option is set to Closest or Closest geodesic). The value of this field is -1 if no feature is matched within a search radius. If no field name is provided, the field will not be added to the output feature class ... You must be the owner of the table or feature class to add an ID field to it. If you do not specify a name for the field, ObjectID is used by default. If a field named ObjectID already exists, the tool will not run until you provide a different name. If a database-maintained, incrementing ID field already exists, this tool will not add another one.This should work for you in the interactive Python window (just fill in value for tbl): from itertools import count, groupby tbl = # path to feature class/table or name of layer/table view fields = ["ParcelNumber", "Length", "RankByLength"] sql = "ORDER BY ParcelNumber, Length" with arcpy.da.UpdateCursor(tbl,fields, sql_clause=(None,sql)) as ...Went to my data owner connection in ArcCatalog 10.3.1, right click > properties>Indexes to add the index to the feature class, but found that add index is greyed out. I saw that there is already an index for OBJECTID and an auto grid spatial index, but can't figure out how I can add a new index. Add Index is also grayed out with my sa and …Mar 19, 2021 · "If a single string field is used as the unique identifier, ArcGIS must map those unique values to an integer. This is done in ArcGIS anytime the system needs an Object ID attribute, such as when creating a map selection or opening the attribute table. ArcGIS adds an attribute called ESRI_OID and stores a unique integer value in it. The Calculate Composite Index tool creates an index by combining multiple variables into a single variable. The tool follows a three-step workflow to preprocess the variables, combine the variables, and postprocess the index. The proper building of an index relies on the thorough consideration of its purpose during design and transparency of ...In ArcGIS Pro, you can view and manage the fields of a layer or table in the fields view. This allows you to model the attributes that are shared by a collection of features or objects in a table. In the fields view, you can edit the fields and their properties, delete fields, and create new ones. To open the fields view for a feature layer ...Create a field and apply a domain and default value. To create a field, complete the following steps: Click the New Field button on the Fields tab or click the last row in the view that says Click here to add a new field. Your pointer is positioned in the Field Name column. Enter a name for the new field.Click the field name of the layer to which you want to add a unique constraint and click Show Detailed View. Under Settings, click Edit in the Unique field. Check the Field contains unique values check box and click Save. ArcGIS Online confirms that existing values in the field are unique. If they are, the unique constraint is added and the ...Date fields are for the entire date, not just the day or the month. You should use a regular text or numeric field for that information. You can use calculate the day or the month from a date field in ArcGIS Pro, such as Arcade's Day or Month function. Note that the Month value is 0-based (0=January, 11=December).Attribute indexes can speed up joins and other attribute queries on feature classes and tables. An attribute index is an alternate path used by ArcGIS to retrieve a record from a table. For most types of attribute queries, it is faster to look up a record with an index than to start at the first record and search through the entire table. Procedure. Below are the steps to use Arcade to group unique values from multiple attribute fields in ArcGIS Pro. In ArcGIS Pro, open the Symbology pane for the layer. Right-click the layer and select Symbology. In the Symbology pane, select Unique values. In the Value field, set an Arcade expression by clicking the Set an expression icon.Set the Page Query for my Index Layer. 2. Define my Index Layer in the Map Series tab, using the field I based the Page Query on as the Name Field and Sort Field. 3. Selected Center and Maintain Scale on the Map Extent menu, using the Scale that was already in place from the Layout.Specify the Where clause as <field> is not equal to 0. In this example, the field is USE. Note : Optionally, click Add Clause , select the And clause, and specify it as <field> is not equal to <value> to add another value to be excluded from the label. Click Apply. The image below displays the map without zeros in the label.Fields list—Lists the fields in the layer you can add to the form canvas. When fields are added to the form, they become form elements. Form settings —Configure what happens …Procedure Open the ArcGIS project with the feature layer. Create a map grid index using the Grid Index Featurestool. The map grid index feature class is created. Rename the feature class if necessary. Intersect the feature layer with the map grid index feature class using the Spatial Jointool.And there is a major quirk that I just discovered. In ArcMap, when you Select by Attribute and get unique values it will show you ALL values in that field. Even ones that aren't in the domain. This is highly handy as it's a quick way to see if there is incorrect data. In the image below, you can see that ArcMap shows two values ('ABS' …The name of the table to be created. String. template. [template,...] (Optional) A table with an attribute schema that is used to define the output table. Fields in the template table will be added to the output table. Table View. config_keyword.Usage. This geoprocessing tool is available with ArcGIS Enterprise 10.6 or later. Calculate Field is completed on tables or point, line, or polygon features. Calculate Field will always create a layer. It will not modify the input. You can only calculate values for a single field at a time.Currently a csv-table is just added to the Table of Content (when using drag & drop or when using "Add Data"). The first row is used as Field Names if the conent is correctly formatted (e.g. starting with letters). However, if the data is not formatted according to the esri-standards, e.g. because the header contains just numbers (different ...This parameter is only used when the field name does not exist in the input table. If the field is of type text, the new field will have a length of 512. For shapefiles and dBASE files, the field will have a length of 254. The length of the new field can be adjusted using the Alter Field tool.ArcGIS Pro ArcGIS Survey123 ArcGIS Online ArcGIS Enterprise Data Management Geoprocessing ArcGIS Web AppBuilder ArcGIS Experience Builder ArcGIS Dashboards ArcGIS CityEngine …May 26, 2020 · This should work for you in the interactive Python window (just fill in value for tbl): from itertools import count, groupby tbl = # path to feature class/table or name of layer/table view fields = ["ParcelNumber", "Length", "RankByLength"] sql = "ORDER BY ParcelNumber, Length" with arcpy.da.UpdateCursor(tbl,fields, sql_clause=(None,sql)) as ... In an ESRI video called Getting to Know Arcade, the presenter states that dynamic/calculated fields are possible via ArcAde expressions. How many of you have ever been in a situation where you had a dataset ... where you needed a new column of data because you wanted to have a column that contained values that were based on other …Went to my data owner connection in ArcCatalog 10.3.1, right click > properties>Indexes to add the index to the feature class, but found that add index is greyed out. I saw that there is already an index for OBJECTID and an auto grid spatial index, but can't figure out how I can add a new index. Add Index is also grayed out with my sa and …In ArcGIS Pro, you can view and manage the fields of a layer or table in the fields view. This allows you to model the attributes that are shared by a collection of features or objects in a table. In the fields view, you can edit the fields and their properties, delete fields, and create new ones. To open the fields view for a feature layer ...Glad it works for you. Regex is a powerful tool which can be helpful in many cases when you need to split various strings. It might be a bit hard to master it, so when need just a quick fix - you can use the str.split() method multiple times iterating results - !FeatureStr!.split(' - ')[1].split('/')[0] would also work. And you wouldn't need a definition …Run the ArcGIS Pro's normal built-in 'Clip' tool against the Input features using the automatically generated inverse clip mask as the Clip features *To delete the Union features that are within the Clip features: Calculate the name of the Union features field that represents the clip features FID (AKA ObjectID) (**see calculation below)Operationalize an environmental equity plan. Use an environmental justice index to create a compelling and interactive map to apply for a bikeway funding opportunity. Learn how to create a composite index using ArcGIS Pro. Includes documentation, demonstrations, and hands on tutorials.ArcGIS should allow the ability to permanently reorder fields in a table ‌. In arcpy the best way to do this is to create an arcpy FieldMappings object and use it with the Table to Table or Feature Class to Feature Class tool to make a new copy of the table with the order and field names you want. It's a little challenging but it does work.Procedure Open the project in ArcGIS Pro. Right-click the layer in the Contents pane, and click Attribute Table.; Click the Calculate Field button to open the Calculate Field geoprocessing tool.; In the Calculate Field pane, select the field for editing under Field Name (Existing or New).In this example, it is Region.Procedure Open the project in ArcGIS Pro. Right-click the layer in the Contents pane, and click Attribute Table.; Click the Calculate Field button to open the Calculate Field geoprocessing tool.; In the Calculate Field pane, select the field for editing under Field Name (Existing or New).In this example, it is Region.How to Calculate New Fields with Arcade in ArcGIS Online: 1) To start, choose to add a new field, or choose the field you want to calculate values for. This can be done from either the table view in Map Viewer or from the Data tab from your item description page. Choose Calculate from the field options. Tip: Using Calculate on existing fields ...Using fields and indexes. When described, feature classes and tables have a fields property that returns a list of Field objects and an indexes property that returns a list of Index objects. Each field or index object has a number of properties that can be used to explore the object.1 Answer. It depends on what type of geographic information you have in your CSV. If you have point data with x and y coordinates (e.g. latitude/longitude) you can use XY Table to Point, where you can define the output feature class as a shapefile. Similarly, if you have line data with x and y coordinates for each end point you can use XY to Line.As a workaround, to remove the Validation Status field, export the feature class and remove the Validation Status field from the new feature class containing the original feature class attributes. Create a new file geodatabase to store a new feature class. Refer to ArcGIS Pro: From the Catalog pane in ArcGIS Pro for instructions.Jan 17, 2017 · I am using geodatabase. I guess part of the problem is that I set up 2 layers in my ArcGIS Pro project that reference the same feature class, but with different "Definition Query" to be able to show two different categories of the data in separate layers that can be turned on/off independently in the client. - or reorder your existing fields to have a fully populated field on each end of the table. 3. Export sheet via the geoprocessing tool to a table, python utilizes a different excel driver that handles the jagged edge table in a more reasonable manner. I hope this explanation allows you to work with your excel data in ArcGIS Pro. Colin3. The Strip Map Index Features tool is listed amongst the Tools that are not available in ArcGIS Pro at version 2.2. A workaround when needing a strip map index to be created, with an Angle field being populated so that each page can be rotated correctly, would be to use the Strip Map Index Features tool from ArcGIS Desktop but is anyone aware ...I have used the steps below to try and create a nice looking Index Map for a test Map Series in ArcGIS Pro 1.4.1 using an index which is a regular grid. The idea is to have one map page in the large map frame and then to have an index in a small map frame that keeps the main map page centred and shows the eight surrounding map pages (with them ...This tool accepts as input shapefiles, geodatabase feature classes, and attribute relationship classes. If the Index Name parameter is empty, there are no attribute indexes in the dataset. Once an index has been added, it can be deleted and re-added at any point in the lifetime of the feature class or table. For enterprise geodatabase data that ... When a domain is removed from a field, the attribute validation rule for that field is removed from the database. The same attribute domain can be associated with multiple fields of the same table, feature class, or subtype as well as with multiple tables and feature classes. Removing a domain from a field will not affect other domain associations.Using fields and indexes ArcGIS Pro 3.1 | Other versions | Help archive When described, feature classes and tables have a fields property that returns a list of Field objects and an indexes property that returns a list of Index objects. Each field or index object has a number of properties that can be used to explore the object.Sort fields, restore the original sort order, and specify whether field names or aliases are shown. Click the Options menu. Set a field alias. Click the field in the list and type the alias on the right side. Turn on highlighting for a field. Click the field in the list, click the Highlight property, then click Yes. Make a field read-onlyThis tool accepts as input shapefiles, geodatabase feature classes, and attribute relationship classes. If the Index Name parameter is empty, there are no attribute indexes in the dataset. Once an index has been added, it can be deleted and re-added at any point in the lifetime of the feature class or table. For enterprise geodatabase data that ... Aug 30, 2021 · You're on the right track. In the ArcGIS Pro SDK, you can access a feature's fields by using indexers on the feature object. This can either be the 0th-based index value (if you know it; otherwise, there are methods available to get it), or the name of the field. For example, the following should return the same value: Jul 21, 2023 · On the Fields tab, click Save. In the attribute table, right-click the new field name, and select Calculate Field. Type the following expression, and replace !Field Name! with the name of each individual field to be concatenated from the Fields list: Code: !Field Name! + " " + !Field Name! + " " + !Field Name! | Help archive Summary Adds an attribute index to an existing table, feature class, shapefile, or attributed relationship class. Attribute indexes are used by ArcGIS to quickly locate records that match an attribute query. UsageOverview. The Unique Field Value check identifies attribute values that are recurring within the fields you define. Features or rows from the input data source are returned as errors when attribute values are not unique. You can configure this check on fields with Raster or Blob data types and on editable fields; it excludes non-editable fields ...If the data is sorted, the generated numbers are not sequential. Open the attribute table of the desired feature. Right-click the desired field in the attribute table. Select Calculate Field to open the Calculate Field window. In the Calculate Field window, click Helper Type, and select Function. Double-click the Sequential Number function.Create an attribute index in the Catalog pane. In the Catalog pane, right-click the table, feature class, shapefile, or attributed relationship class for which you want to create an index and ... Click the Indexes tab. To add an attribute index, click Add. For Name, type the name for the new index. ... Create a composite index using ArcGIS Pro Documentation Create a composite index using ArcGIS Pro Learn how to create a composite index using ArcGIS Pro. Includes documentation, demonstrations, and hands on tutorials. Explore the Calculate Composite Index Tool in ArcGIS ProYou're on the right track. In the ArcGIS Pro SDK, you can access a feature's fields by using indexers on the feature object. This can either be the 0th-based index value (if you know it; otherwise, there are methods available to get it), or the name of the field. For example, the following should return the same value:To find records in a table, complete the following steps: Click the table Menu button and click Find and Replace to open the control in the table view. Alternatively, press Ctrl+F to open the control. Type the value to find in the Find text box and press Enter or click the Find button . To search for null values, type the case-sensitive string ...Step 1. Download either the stand-alone script, or the Python toolbox containing the Bulk Assign Aliases script tool. Save and extract the files in your Pro Project’s folder. Step 2. Within the Catalog Pane, navigate to the stand-alone script or the tool in your folder connections.I am a newbie to ArcGIS Pro, and don't know to solve it. Below a picture is added showing happened when I used Join Field without success (in my real case). To the right are six land use types that shows values in kg (phosphorus). The SUBID2016 is the ID-number column and the DETALJTYP column is the land use type column.Apr 22, 2020 · I am working in Arc GIS Pro 2.6.2 and made a map with a series and a grid index and need to make table that shows which pages each street is on. So far I used the spatial join tool and got the Street Names and the Page numbers into one attribute table. Now I need to get the page numbers together into one column for each road. First—Use the input fields' first value. Last—Use the input fields' last value. Join—Concatenate (join) the input field values. Sum—Calculate the total of the input field values. Mean—Calculate the mean (average) of the input field values. Median—Calculate the median (middle) of the input field values. You can access a shapefile in ArcGIS Pro using a folder connection in the Catalog pane. Add a connection to a folder. Browse to the location of the shapefile within the folder connection. Right-click the shapefile and select Add to Current Map to add the shapefile to the current map. Alternatively, you can click Add Data on the Map tab on the ...

The Fields To Index parameter's Add Field button is used only in ModelBuilder. In ModelBuilder, where the preceding tool has not been run, or its derived data does not exist, the Fields To Index parameter may not be populated with field names. The Add Field button allows you to add expected fields so you can complete the Add Attribute Index ... . Twin peaks oakbrook terrace photos

how to index a field in arcgis pro

To create a field, complete the following steps: Click the New Field button on the Fields tab or click the last row in the view that says Click here to add a new field. Your pointer is positioned in the Field Name column. Enter a name for the new field. Double-click the Alias column and enter an alias for the field. The Packers Pro Shop is an iconic destination for fans of the Green Bay Packers football team. This retail store, located in the Lambeau Field Atrium, offers a wide variety of merchandise to show support for the beloved team.Click Table Options and click Find & Replace (or click Find in ArcCatalog). Type the text you want to find in the Find what text box. Tip: To match the capitalization of the text you type, check Match Case on the Find and Replace dialog box. Click the Text Match drop-down arrow and click the type of search you want.Right-click the new GUID field, and click Calculate Field. In the Calculate Field window, select the old GlobalID. Click Apply > OK. Repeat Steps 1 to 3 in the attribute table of the target dataset. On the Analysis tab, click Tools in the Geoprocessing group. In the Geoprocessing pane, search for and select Append (Data Management Tools).Click Stop Editing > Yes. In the Catalog pane, right-click the new feature layer and select Properties. In the Feature Class Properties window, click the Fields tab and select the desired field. Under Field Properties, change Allow NULL values to No. Click Apply > OK. Repeat Steps 3 through 4 on the original feature layer.To edit table dynamic text, do the following: Right-click the table dynamic text element in the Contents pane or on the page, and click Properties. In the Element pane, on the Options tab, click Tag View . Add or modify existing static text, or click the dynamic text button to open the appropriate editing dialog box. This tool identifies statistically significant spatial clusters of high values (hot spots) and low values (cold spots). It automatically aggregates incident data, identifies an appropriate scale of analysis, and corrects for both multiple testing and spatial dependence. This tool interrogates your data in order to determine settings that will ...A feature layer is a grouping of similar geographic features, for example, buildings, parcels, cities, roads, and earthquake epicenters. Features can be points, lines, or polygons (areas). Feature layers are most appropriate for visualizing data on top of basemaps. You can set properties for feature layers—such as style, transparency, visible ... Using fields and indexes When described, feature classes and tables have a fields property that returns a list of Field objects and an indexes property that returns a list of …- or reorder your existing fields to have a fully populated field on each end of the table. 3. Export sheet via the geoprocessing tool to a table, python utilizes a different excel driver that handles the jagged edge table in a more reasonable manner. I hope this explanation allows you to work with your excel data in ArcGIS Pro. ColinAttribute indexes can speed up joins and other attribute queries on feature classes and tables. An attribute index is an alternate path used by ArcGIS to retrieve a record from a table. For most types of attribute queries, it is faster to look up a record with an index than to start at the first record and search through the entire table.Numeric attribute fields can be summarized using any statistic. Available statistics types are as follows: SUM —The values for the specified field will be added together. MEAN —The average for the specified field will be calculated. MIN —The smallest value for all records of the specified field will be found.Jul 21, 2023 · On the Fields tab, click Save. In the attribute table, right-click the new field name, and select Calculate Field. Type the following expression, and replace !Field Name! with the name of each individual field to be concatenated from the Fields list: Code: !Field Name! + " " + !Field Name! + " " + !Field Name! Procedure Open the ArcGIS project with the feature layer. Create a map grid index using the Grid Index Featurestool. The map grid index feature class is created. Rename the feature class if necessary. Intersect the feature layer with the map grid index feature class using the Spatial Jointool.Parameters. The input geodatabase table or feature class that contains the field to alter. The name of the field to alter. If the field is a required field, only the field alias can be altered. The new name for the field. The new field alias for the field. Specifies the new field type for the field.Refer to ArcGIS Pro: Create a field and apply a domain and default value for steps to do this. In this example, the new field name is ZIPNEW. Click the Save button on the Fields tab to save the new field. Use the Calculate Field geoprocessing tool to populate the old field values in the new field using the following expression: New_Field = !Old ...Right-click the map frame to link with the main map frame, and select Properties. In the Element pane, under Display Options, select Linked map frame scale from the Constraint drop-down list. For Map frame, select the main map frame with the scale that derives the map series pages. In this example, the Overview map frame is selected.Indexing in an ArcPro Project Subscribe 4027 26 02-20-2019 06:29 AM by AmyGwin2 New Contributor III Hello GIS geniuses. I have a question for you because I am completely baffled at how to setup indexing in ArcPro. Either I am doing it wrong... or it isn't working.The Grid Overlay widget is close, too but it only goes down to 10-meter x 10-meter grids that are generated. Also, the labeling of the grids will be based upon a user-defined alfa-numeric numbering system. All the grids will start from the user-specified MGRS coordinate as this will become the lower-left hand point of origin for the grid..

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