diff --git a/.space.kts b/.space.kts
index bd47550..c5dd962 100644
--- a/.space.kts
+++ b/.space.kts
@@ -9,17 +9,17 @@ job("Publish") {
         gitPush { enabled = false }
     }
     container("spc.registry.jetbrains.space/p/sci/containers/kotlin-ci:1.0.3") {
-        env["SPACE_USER"] = Secrets("space_user")
-        env["SPACE_TOKEN"] = Secrets("space_token")
+        env["SPACE_USER"] = "{{ project:space_user }}"
+        env["SPACE_TOKEN"] = "{{ project:space_token }}"
         kotlinScript { api ->
 
             val spaceUser = System.getenv("SPACE_USER")
             val spaceToken = System.getenv("SPACE_TOKEN")
 
-            // write version to the build directory
+            // write the version to the build directory
             api.gradlew("version")
 
-            //read version from build file
+            //read the version from build file
             val version = java.nio.file.Path.of("build/project-version.txt").readText()
 
             val revisionSuffix = if (version.endsWith("SNAPSHOT")) {
@@ -32,7 +32,7 @@ job("Publish") {
                 project = api.projectIdentifier(),
                 targetIdentifier = TargetIdentifier.Key("maps-kt"),
                 version = version+revisionSuffix,
-                // automatically update deployment status based on a status of a job
+                // automatically update deployment status based on the status of a job
                 syncWithAutomationJob = true
             )
             api.gradlew(
diff --git a/build.gradle.kts b/build.gradle.kts
index 2ee9a4d..6507ca2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,11 +6,11 @@ plugins {
     id("space.kscience.gradle.project")
 }
 
-val kmathVersion: String by extra("0.3.1-dev-RC")
+val kmathVersion: String by extra("0.3.1")
 
 allprojects {
     group = "center.sciprog"
-    version = "0.2.2"
+    version = "0.2.3-dev-1"
 
     repositories {
         mavenLocal()
diff --git a/demo/maps/src/jvmMain/kotlin/Main.kt b/demo/maps/src/jvmMain/kotlin/Main.kt
index 235bcac..14d5a67 100644
--- a/demo/maps/src/jvmMain/kotlin/Main.kt
+++ b/demo/maps/src/jvmMain/kotlin/Main.kt
@@ -55,7 +55,6 @@ fun App() {
 
         val centerCoordinates = MutableStateFlow<Gmc?>(null)
 
-
         val pointOne = 55.568548 to 37.568604
         val pointTwo = 55.929444 to 37.518434
 //        val pointThree = 60.929444 to 37.518434
@@ -90,6 +89,7 @@ fun App() {
                 println("line 3 clicked")
             }
 
+
             multiLine(
                 points = listOf(
                     55.742465 to 37.615812,
@@ -101,6 +101,15 @@ fun App() {
                 ),
             )
 
+            points(
+                points = listOf(
+                    55.744 to 38.614,
+                    55.8 to 38.5,
+                    56.0 to 38.5,
+                )
+            ).pointSize(5f)
+
+
             //remember feature ID
             val circleId = circle(
                 centerCoordinates = pointTwo,
@@ -120,9 +129,11 @@ fun App() {
 
             arc(pointOne, 10.0.kilometers, (PI / 4).radians, -Angle.pi / 2)
 
+
             line(pointOne, pointTwo, id = "line")
             text(pointOne, "Home", font = { size = 32f })
 
+
             pixelMap(
                 space.Rectangle(
                     Gmc(latitude = 55.58461879539754.degrees, longitude = 37.8746197303493.degrees),
@@ -132,8 +143,8 @@ fun App() {
                 0.005.degrees
             ) { gmc ->
                 Color(
-                    red = ((gmc.latitude + Angle.piDiv2).degrees*10 % 1f).toFloat(),
-                    green = ((gmc.longitude + Angle.pi).degrees*10 % 1f).toFloat(),
+                    red = ((gmc.latitude + Angle.piDiv2).degrees * 10 % 1f).toFloat(),
+                    green = ((gmc.longitude + Angle.pi).degrees * 10 % 1f).toFloat(),
                     blue = 0f
                 ).copy(alpha = 0.3f)
             }
diff --git a/maps-kt-features/src/commonMain/kotlin/center/sciprog/maps/features/mapFeatureAttributes.kt b/maps-kt-features/src/commonMain/kotlin/center/sciprog/maps/features/mapFeatureAttributes.kt
index 9b85e82..a824a50 100644
--- a/maps-kt-features/src/commonMain/kotlin/center/sciprog/maps/features/mapFeatureAttributes.kt
+++ b/maps-kt-features/src/commonMain/kotlin/center/sciprog/maps/features/mapFeatureAttributes.kt
@@ -169,4 +169,7 @@ public fun <T : Any> FeatureRef<T, LineSegmentFeature<T>>.pathEffect(effect: Pat
 public object StrokeAttribute : Attribute<Float>
 
 public fun <T : Any, F : LineSegmentFeature<T>> FeatureRef<T, F>.stroke(width: Float): FeatureRef<T, F> =
+    modifyAttribute(StrokeAttribute, width)
+
+public fun <T : Any, F : PointsFeature<T>> FeatureRef<T, F>.pointSize(width: Float): FeatureRef<T, F> =
     modifyAttribute(StrokeAttribute, width)
\ No newline at end of file
diff --git a/maps-kt-features/src/jvmMain/kotlin/center/sciprog/maps/features/drawFeature.kt b/maps-kt-features/src/jvmMain/kotlin/center/sciprog/maps/features/drawFeature.kt
index 8948f79..f9c9d73 100644
--- a/maps-kt-features/src/jvmMain/kotlin/center/sciprog/maps/features/drawFeature.kt
+++ b/maps-kt-features/src/jvmMain/kotlin/center/sciprog/maps/features/drawFeature.kt
@@ -3,7 +3,10 @@ package center.sciprog.maps.features
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.graphics.*
-import androidx.compose.ui.graphics.drawscope.*
+import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.drawscope.Stroke
+import androidx.compose.ui.graphics.drawscope.drawIntoCanvas
+import androidx.compose.ui.graphics.drawscope.translate
 import androidx.compose.ui.graphics.painter.Painter
 import center.sciprog.attributes.plus
 import org.jetbrains.skia.Font
@@ -121,7 +124,7 @@ public fun <T : Any> DrawScope.drawFeature(
             drawPoints(
                 points = points,
                 color = color,
-                strokeWidth = feature.attributes[StrokeAttribute] ?: Stroke.HairlineWidth,
+                strokeWidth = feature.attributes[StrokeAttribute] ?: 5f,
                 pointMode = PointMode.Points,
                 pathEffect = feature.attributes[PathEffectAttribute],
                 alpha = alpha